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authorblackhao <13851610112@163.com>2025-08-22 02:51:50 -0500
committerblackhao <13851610112@163.com>2025-08-22 02:51:50 -0500
commit4aab4087dc97906d0b9890035401175cdaab32d4 (patch)
tree4e2e9d88a711ec5b1cfa02e8ac72a55183b99123 /.venv/lib/python3.12/site-packages/pip/_vendor/distlib
parentafa8f50d1d21c721dabcb31ad244610946ab65a3 (diff)
2.0
Diffstat (limited to '.venv/lib/python3.12/site-packages/pip/_vendor/distlib')
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__init__.py33
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/__init__.cpython-312.pycbin0 -> 1274 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/compat.cpython-312.pycbin0 -> 45605 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/resources.cpython-312.pycbin0 -> 17330 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/scripts.cpython-312.pycbin0 -> 19785 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/util.cpython-312.pycbin0 -> 88279 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/compat.py1137
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/resources.py358
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/scripts.py447
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t32.exebin0 -> 97792 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64-arm.exebin0 -> 182784 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64.exebin0 -> 108032 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/util.py1984
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/w32.exebin0 -> 91648 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/w64-arm.exebin0 -> 168448 bytes
-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/distlib/w64.exebin0 -> 101888 bytes
16 files changed, 3959 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__init__.py b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__init__.py
new file mode 100644
index 0000000..4e82943
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__init__.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2024 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+import logging
+
+__version__ = '0.4.0'
+
+
+class DistlibException(Exception):
+ pass
+
+
+try:
+ from logging import NullHandler
+except ImportError: # pragma: no cover
+
+ class NullHandler(logging.Handler):
+
+ def handle(self, record):
+ pass
+
+ def emit(self, record):
+ pass
+
+ def createLock(self):
+ self.lock = None
+
+
+logger = logging.getLogger(__name__)
+logger.addHandler(NullHandler())
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/__init__.cpython-312.pyc b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/__init__.cpython-312.pyc
new file mode 100644
index 0000000..758cdec
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/__init__.cpython-312.pyc
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/compat.cpython-312.pyc b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/compat.cpython-312.pyc
new file mode 100644
index 0000000..0ddaf46
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/compat.cpython-312.pyc
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/resources.cpython-312.pyc b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/resources.cpython-312.pyc
new file mode 100644
index 0000000..76e19a1
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/resources.cpython-312.pyc
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/scripts.cpython-312.pyc b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/scripts.cpython-312.pyc
new file mode 100644
index 0000000..d585ae8
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/scripts.cpython-312.pyc
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/util.cpython-312.pyc b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/util.cpython-312.pyc
new file mode 100644
index 0000000..9ca8758
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/__pycache__/util.cpython-312.pyc
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/compat.py b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/compat.py
new file mode 100644
index 0000000..ca561dd
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/compat.py
@@ -0,0 +1,1137 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2017 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import absolute_import
+
+import os
+import re
+import shutil
+import sys
+
+try:
+ import ssl
+except ImportError: # pragma: no cover
+ ssl = None
+
+if sys.version_info[0] < 3: # pragma: no cover
+ from StringIO import StringIO
+ string_types = basestring,
+ text_type = unicode
+ from types import FileType as file_type
+ import __builtin__ as builtins
+ import ConfigParser as configparser
+ from urlparse import urlparse, urlunparse, urljoin, urlsplit, urlunsplit
+ from urllib import (urlretrieve, quote as _quote, unquote, url2pathname,
+ pathname2url, ContentTooShortError, splittype)
+
+ def quote(s):
+ if isinstance(s, unicode):
+ s = s.encode('utf-8')
+ return _quote(s)
+
+ import urllib2
+ from urllib2 import (Request, urlopen, URLError, HTTPError,
+ HTTPBasicAuthHandler, HTTPPasswordMgr, HTTPHandler,
+ HTTPRedirectHandler, build_opener)
+ if ssl:
+ from urllib2 import HTTPSHandler
+ import httplib
+ import xmlrpclib
+ import Queue as queue
+ from HTMLParser import HTMLParser
+ import htmlentitydefs
+ raw_input = raw_input
+ from itertools import ifilter as filter
+ from itertools import ifilterfalse as filterfalse
+
+ # Leaving this around for now, in case it needs resurrecting in some way
+ # _userprog = None
+ # def splituser(host):
+ # """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'."""
+ # global _userprog
+ # if _userprog is None:
+ # import re
+ # _userprog = re.compile('^(.*)@(.*)$')
+
+ # match = _userprog.match(host)
+ # if match: return match.group(1, 2)
+ # return None, host
+
+else: # pragma: no cover
+ from io import StringIO
+ string_types = str,
+ text_type = str
+ from io import TextIOWrapper as file_type
+ import builtins
+ import configparser
+ from urllib.parse import (urlparse, urlunparse, urljoin, quote, unquote,
+ urlsplit, urlunsplit, splittype)
+ from urllib.request import (urlopen, urlretrieve, Request, url2pathname,
+ pathname2url, HTTPBasicAuthHandler,
+ HTTPPasswordMgr, HTTPHandler,
+ HTTPRedirectHandler, build_opener)
+ if ssl:
+ from urllib.request import HTTPSHandler
+ from urllib.error import HTTPError, URLError, ContentTooShortError
+ import http.client as httplib
+ import urllib.request as urllib2
+ import xmlrpc.client as xmlrpclib
+ import queue
+ from html.parser import HTMLParser
+ import html.entities as htmlentitydefs
+ raw_input = input
+ from itertools import filterfalse
+ filter = filter
+
+try:
+ from ssl import match_hostname, CertificateError
+except ImportError: # pragma: no cover
+
+ class CertificateError(ValueError):
+ pass
+
+ def _dnsname_match(dn, hostname, max_wildcards=1):
+ """Matching according to RFC 6125, section 6.4.3
+
+ http://tools.ietf.org/html/rfc6125#section-6.4.3
+ """
+ pats = []
+ if not dn:
+ return False
+
+ parts = dn.split('.')
+ leftmost, remainder = parts[0], parts[1:]
+
+ wildcards = leftmost.count('*')
+ if wildcards > max_wildcards:
+ # Issue #17980: avoid denials of service by refusing more
+ # than one wildcard per fragment. A survey of established
+ # policy among SSL implementations showed it to be a
+ # reasonable choice.
+ raise CertificateError(
+ "too many wildcards in certificate DNS name: " + repr(dn))
+
+ # speed up common case w/o wildcards
+ if not wildcards:
+ return dn.lower() == hostname.lower()
+
+ # RFC 6125, section 6.4.3, subitem 1.
+ # The client SHOULD NOT attempt to match a presented identifier in which
+ # the wildcard character comprises a label other than the left-most label.
+ if leftmost == '*':
+ # When '*' is a fragment by itself, it matches a non-empty dotless
+ # fragment.
+ pats.append('[^.]+')
+ elif leftmost.startswith('xn--') or hostname.startswith('xn--'):
+ # RFC 6125, section 6.4.3, subitem 3.
+ # The client SHOULD NOT attempt to match a presented identifier
+ # where the wildcard character is embedded within an A-label or
+ # U-label of an internationalized domain name.
+ pats.append(re.escape(leftmost))
+ else:
+ # Otherwise, '*' matches any dotless string, e.g. www*
+ pats.append(re.escape(leftmost).replace(r'\*', '[^.]*'))
+
+ # add the remaining fragments, ignore any wildcards
+ for frag in remainder:
+ pats.append(re.escape(frag))
+
+ pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE)
+ return pat.match(hostname)
+
+ def match_hostname(cert, hostname):
+ """Verify that *cert* (in decoded format as returned by
+ SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125
+ rules are followed, but IP addresses are not accepted for *hostname*.
+
+ CertificateError is raised on failure. On success, the function
+ returns nothing.
+ """
+ if not cert:
+ raise ValueError("empty or no certificate, match_hostname needs a "
+ "SSL socket or SSL context with either "
+ "CERT_OPTIONAL or CERT_REQUIRED")
+ dnsnames = []
+ san = cert.get('subjectAltName', ())
+ for key, value in san:
+ if key == 'DNS':
+ if _dnsname_match(value, hostname):
+ return
+ dnsnames.append(value)
+ if not dnsnames:
+ # The subject is only checked when there is no dNSName entry
+ # in subjectAltName
+ for sub in cert.get('subject', ()):
+ for key, value in sub:
+ # XXX according to RFC 2818, the most specific Common Name
+ # must be used.
+ if key == 'commonName':
+ if _dnsname_match(value, hostname):
+ return
+ dnsnames.append(value)
+ if len(dnsnames) > 1:
+ raise CertificateError("hostname %r "
+ "doesn't match either of %s" %
+ (hostname, ', '.join(map(repr, dnsnames))))
+ elif len(dnsnames) == 1:
+ raise CertificateError("hostname %r "
+ "doesn't match %r" %
+ (hostname, dnsnames[0]))
+ else:
+ raise CertificateError("no appropriate commonName or "
+ "subjectAltName fields were found")
+
+
+try:
+ from types import SimpleNamespace as Container
+except ImportError: # pragma: no cover
+
+ class Container(object):
+ """
+ A generic container for when multiple values need to be returned
+ """
+
+ def __init__(self, **kwargs):
+ self.__dict__.update(kwargs)
+
+
+try:
+ from shutil import which
+except ImportError: # pragma: no cover
+ # Implementation from Python 3.3
+ def which(cmd, mode=os.F_OK | os.X_OK, path=None):
+ """Given a command, mode, and a PATH string, return the path which
+ conforms to the given mode on the PATH, or None if there is no such
+ file.
+
+ `mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result
+ of os.environ.get("PATH"), or can be overridden with a custom search
+ path.
+
+ """
+
+ # Check that a given file can be accessed with the correct mode.
+ # Additionally check that `file` is not a directory, as on Windows
+ # directories pass the os.access check.
+ def _access_check(fn, mode):
+ return (os.path.exists(fn) and os.access(fn, mode) and not os.path.isdir(fn))
+
+ # If we're given a path with a directory part, look it up directly rather
+ # than referring to PATH directories. This includes checking relative to the
+ # current directory, e.g. ./script
+ if os.path.dirname(cmd):
+ if _access_check(cmd, mode):
+ return cmd
+ return None
+
+ if path is None:
+ path = os.environ.get("PATH", os.defpath)
+ if not path:
+ return None
+ path = path.split(os.pathsep)
+
+ if sys.platform == "win32":
+ # The current directory takes precedence on Windows.
+ if os.curdir not in path:
+ path.insert(0, os.curdir)
+
+ # PATHEXT is necessary to check on Windows.
+ pathext = os.environ.get("PATHEXT", "").split(os.pathsep)
+ # See if the given file matches any of the expected path extensions.
+ # This will allow us to short circuit when given "python.exe".
+ # If it does match, only test that one, otherwise we have to try
+ # others.
+ if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
+ files = [cmd]
+ else:
+ files = [cmd + ext for ext in pathext]
+ else:
+ # On other platforms you don't have things like PATHEXT to tell you
+ # what file suffixes are executable, so just pass on cmd as-is.
+ files = [cmd]
+
+ seen = set()
+ for dir in path:
+ normdir = os.path.normcase(dir)
+ if normdir not in seen:
+ seen.add(normdir)
+ for thefile in files:
+ name = os.path.join(dir, thefile)
+ if _access_check(name, mode):
+ return name
+ return None
+
+
+# ZipFile is a context manager in 2.7, but not in 2.6
+
+from zipfile import ZipFile as BaseZipFile
+
+if hasattr(BaseZipFile, '__enter__'): # pragma: no cover
+ ZipFile = BaseZipFile
+else: # pragma: no cover
+ from zipfile import ZipExtFile as BaseZipExtFile
+
+ class ZipExtFile(BaseZipExtFile):
+
+ def __init__(self, base):
+ self.__dict__.update(base.__dict__)
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *exc_info):
+ self.close()
+ # return None, so if an exception occurred, it will propagate
+
+ class ZipFile(BaseZipFile):
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *exc_info):
+ self.close()
+ # return None, so if an exception occurred, it will propagate
+
+ def open(self, *args, **kwargs):
+ base = BaseZipFile.open(self, *args, **kwargs)
+ return ZipExtFile(base)
+
+
+try:
+ from platform import python_implementation
+except ImportError: # pragma: no cover
+
+ def python_implementation():
+ """Return a string identifying the Python implementation."""
+ if 'PyPy' in sys.version:
+ return 'PyPy'
+ if os.name == 'java':
+ return 'Jython'
+ if sys.version.startswith('IronPython'):
+ return 'IronPython'
+ return 'CPython'
+
+
+import sysconfig
+
+try:
+ callable = callable
+except NameError: # pragma: no cover
+ from collections.abc import Callable
+
+ def callable(obj):
+ return isinstance(obj, Callable)
+
+
+try:
+ fsencode = os.fsencode
+ fsdecode = os.fsdecode
+except AttributeError: # pragma: no cover
+ # Issue #99: on some systems (e.g. containerised),
+ # sys.getfilesystemencoding() returns None, and we need a real value,
+ # so fall back to utf-8. From the CPython 2.7 docs relating to Unix and
+ # sys.getfilesystemencoding(): the return value is "the user’s preference
+ # according to the result of nl_langinfo(CODESET), or None if the
+ # nl_langinfo(CODESET) failed."
+ _fsencoding = sys.getfilesystemencoding() or 'utf-8'
+ if _fsencoding == 'mbcs':
+ _fserrors = 'strict'
+ else:
+ _fserrors = 'surrogateescape'
+
+ def fsencode(filename):
+ if isinstance(filename, bytes):
+ return filename
+ elif isinstance(filename, text_type):
+ return filename.encode(_fsencoding, _fserrors)
+ else:
+ raise TypeError("expect bytes or str, not %s" %
+ type(filename).__name__)
+
+ def fsdecode(filename):
+ if isinstance(filename, text_type):
+ return filename
+ elif isinstance(filename, bytes):
+ return filename.decode(_fsencoding, _fserrors)
+ else:
+ raise TypeError("expect bytes or str, not %s" %
+ type(filename).__name__)
+
+
+try:
+ from tokenize import detect_encoding
+except ImportError: # pragma: no cover
+ from codecs import BOM_UTF8, lookup
+
+ cookie_re = re.compile(r"coding[:=]\s*([-\w.]+)")
+
+ def _get_normal_name(orig_enc):
+ """Imitates get_normal_name in tokenizer.c."""
+ # Only care about the first 12 characters.
+ enc = orig_enc[:12].lower().replace("_", "-")
+ if enc == "utf-8" or enc.startswith("utf-8-"):
+ return "utf-8"
+ if enc in ("latin-1", "iso-8859-1", "iso-latin-1") or \
+ enc.startswith(("latin-1-", "iso-8859-1-", "iso-latin-1-")):
+ return "iso-8859-1"
+ return orig_enc
+
+ def detect_encoding(readline):
+ """
+ The detect_encoding() function is used to detect the encoding that should
+ be used to decode a Python source file. It requires one argument, readline,
+ in the same way as the tokenize() generator.
+
+ It will call readline a maximum of twice, and return the encoding used
+ (as a string) and a list of any lines (left as bytes) it has read in.
+
+ It detects the encoding from the presence of a utf-8 bom or an encoding
+ cookie as specified in pep-0263. If both a bom and a cookie are present,
+ but disagree, a SyntaxError will be raised. If the encoding cookie is an
+ invalid charset, raise a SyntaxError. Note that if a utf-8 bom is found,
+ 'utf-8-sig' is returned.
+
+ If no encoding is specified, then the default of 'utf-8' will be returned.
+ """
+ try:
+ filename = readline.__self__.name
+ except AttributeError:
+ filename = None
+ bom_found = False
+ encoding = None
+ default = 'utf-8'
+
+ def read_or_stop():
+ try:
+ return readline()
+ except StopIteration:
+ return b''
+
+ def find_cookie(line):
+ try:
+ # Decode as UTF-8. Either the line is an encoding declaration,
+ # in which case it should be pure ASCII, or it must be UTF-8
+ # per default encoding.
+ line_string = line.decode('utf-8')
+ except UnicodeDecodeError:
+ msg = "invalid or missing encoding declaration"
+ if filename is not None:
+ msg = '{} for {!r}'.format(msg, filename)
+ raise SyntaxError(msg)
+
+ matches = cookie_re.findall(line_string)
+ if not matches:
+ return None
+ encoding = _get_normal_name(matches[0])
+ try:
+ codec = lookup(encoding)
+ except LookupError:
+ # This behaviour mimics the Python interpreter
+ if filename is None:
+ msg = "unknown encoding: " + encoding
+ else:
+ msg = "unknown encoding for {!r}: {}".format(
+ filename, encoding)
+ raise SyntaxError(msg)
+
+ if bom_found:
+ if codec.name != 'utf-8':
+ # This behaviour mimics the Python interpreter
+ if filename is None:
+ msg = 'encoding problem: utf-8'
+ else:
+ msg = 'encoding problem for {!r}: utf-8'.format(
+ filename)
+ raise SyntaxError(msg)
+ encoding += '-sig'
+ return encoding
+
+ first = read_or_stop()
+ if first.startswith(BOM_UTF8):
+ bom_found = True
+ first = first[3:]
+ default = 'utf-8-sig'
+ if not first:
+ return default, []
+
+ encoding = find_cookie(first)
+ if encoding:
+ return encoding, [first]
+
+ second = read_or_stop()
+ if not second:
+ return default, [first]
+
+ encoding = find_cookie(second)
+ if encoding:
+ return encoding, [first, second]
+
+ return default, [first, second]
+
+
+# For converting & <-> &amp; etc.
+try:
+ from html import escape
+except ImportError:
+ from cgi import escape
+if sys.version_info[:2] < (3, 4):
+ unescape = HTMLParser().unescape
+else:
+ from html import unescape
+
+try:
+ from collections import ChainMap
+except ImportError: # pragma: no cover
+ from collections import MutableMapping
+
+ try:
+ from reprlib import recursive_repr as _recursive_repr
+ except ImportError:
+
+ def _recursive_repr(fillvalue='...'):
+ '''
+ Decorator to make a repr function return fillvalue for a recursive
+ call
+ '''
+
+ def decorating_function(user_function):
+ repr_running = set()
+
+ def wrapper(self):
+ key = id(self), get_ident()
+ if key in repr_running:
+ return fillvalue
+ repr_running.add(key)
+ try:
+ result = user_function(self)
+ finally:
+ repr_running.discard(key)
+ return result
+
+ # Can't use functools.wraps() here because of bootstrap issues
+ wrapper.__module__ = getattr(user_function, '__module__')
+ wrapper.__doc__ = getattr(user_function, '__doc__')
+ wrapper.__name__ = getattr(user_function, '__name__')
+ wrapper.__annotations__ = getattr(user_function,
+ '__annotations__', {})
+ return wrapper
+
+ return decorating_function
+
+ class ChainMap(MutableMapping):
+ '''
+ A ChainMap groups multiple dicts (or other mappings) together
+ to create a single, updateable view.
+
+ The underlying mappings are stored in a list. That list is public and can
+ accessed or updated using the *maps* attribute. There is no other state.
+
+ Lookups search the underlying mappings successively until a key is found.
+ In contrast, writes, updates, and deletions only operate on the first
+ mapping.
+ '''
+
+ def __init__(self, *maps):
+ '''Initialize a ChainMap by setting *maps* to the given mappings.
+ If no mappings are provided, a single empty dictionary is used.
+
+ '''
+ self.maps = list(maps) or [{}] # always at least one map
+
+ def __missing__(self, key):
+ raise KeyError(key)
+
+ def __getitem__(self, key):
+ for mapping in self.maps:
+ try:
+ return mapping[
+ key] # can't use 'key in mapping' with defaultdict
+ except KeyError:
+ pass
+ return self.__missing__(
+ key) # support subclasses that define __missing__
+
+ def get(self, key, default=None):
+ return self[key] if key in self else default
+
+ def __len__(self):
+ return len(set().union(
+ *self.maps)) # reuses stored hash values if possible
+
+ def __iter__(self):
+ return iter(set().union(*self.maps))
+
+ def __contains__(self, key):
+ return any(key in m for m in self.maps)
+
+ def __bool__(self):
+ return any(self.maps)
+
+ @_recursive_repr()
+ def __repr__(self):
+ return '{0.__class__.__name__}({1})'.format(
+ self, ', '.join(map(repr, self.maps)))
+
+ @classmethod
+ def fromkeys(cls, iterable, *args):
+ 'Create a ChainMap with a single dict created from the iterable.'
+ return cls(dict.fromkeys(iterable, *args))
+
+ def copy(self):
+ 'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]'
+ return self.__class__(self.maps[0].copy(), *self.maps[1:])
+
+ __copy__ = copy
+
+ def new_child(self): # like Django's Context.push()
+ 'New ChainMap with a new dict followed by all previous maps.'
+ return self.__class__({}, *self.maps)
+
+ @property
+ def parents(self): # like Django's Context.pop()
+ 'New ChainMap from maps[1:].'
+ return self.__class__(*self.maps[1:])
+
+ def __setitem__(self, key, value):
+ self.maps[0][key] = value
+
+ def __delitem__(self, key):
+ try:
+ del self.maps[0][key]
+ except KeyError:
+ raise KeyError(
+ 'Key not found in the first mapping: {!r}'.format(key))
+
+ def popitem(self):
+ 'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.'
+ try:
+ return self.maps[0].popitem()
+ except KeyError:
+ raise KeyError('No keys found in the first mapping.')
+
+ def pop(self, key, *args):
+ 'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].'
+ try:
+ return self.maps[0].pop(key, *args)
+ except KeyError:
+ raise KeyError(
+ 'Key not found in the first mapping: {!r}'.format(key))
+
+ def clear(self):
+ 'Clear maps[0], leaving maps[1:] intact.'
+ self.maps[0].clear()
+
+
+try:
+ from importlib.util import cache_from_source # Python >= 3.4
+except ImportError: # pragma: no cover
+
+ def cache_from_source(path, debug_override=None):
+ assert path.endswith('.py')
+ if debug_override is None:
+ debug_override = __debug__
+ if debug_override:
+ suffix = 'c'
+ else:
+ suffix = 'o'
+ return path + suffix
+
+
+try:
+ from collections import OrderedDict
+except ImportError: # pragma: no cover
+ # {{{ http://code.activestate.com/recipes/576693/ (r9)
+ # Backport of OrderedDict() class that runs on Python 2.4, 2.5, 2.6, 2.7 and pypy.
+ # Passes Python2.7's test suite and incorporates all the latest updates.
+ try:
+ from thread import get_ident as _get_ident
+ except ImportError:
+ from dummy_thread import get_ident as _get_ident
+
+ try:
+ from _abcoll import KeysView, ValuesView, ItemsView
+ except ImportError:
+ pass
+
+ class OrderedDict(dict):
+ 'Dictionary that remembers insertion order'
+
+ # An inherited dict maps keys to values.
+ # The inherited dict provides __getitem__, __len__, __contains__, and get.
+ # The remaining methods are order-aware.
+ # Big-O running times for all methods are the same as for regular dictionaries.
+
+ # The internal self.__map dictionary maps keys to links in a doubly linked list.
+ # The circular doubly linked list starts and ends with a sentinel element.
+ # The sentinel element never gets deleted (this simplifies the algorithm).
+ # Each link is stored as a list of length three: [PREV, NEXT, KEY].
+
+ def __init__(self, *args, **kwds):
+ '''Initialize an ordered dictionary. Signature is the same as for
+ regular dictionaries, but keyword arguments are not recommended
+ because their insertion order is arbitrary.
+
+ '''
+ if len(args) > 1:
+ raise TypeError('expected at most 1 arguments, got %d' %
+ len(args))
+ try:
+ self.__root
+ except AttributeError:
+ self.__root = root = [] # sentinel node
+ root[:] = [root, root, None]
+ self.__map = {}
+ self.__update(*args, **kwds)
+
+ def __setitem__(self, key, value, dict_setitem=dict.__setitem__):
+ 'od.__setitem__(i, y) <==> od[i]=y'
+ # Setting a new item creates a new link which goes at the end of the linked
+ # list, and the inherited dictionary is updated with the new key/value pair.
+ if key not in self:
+ root = self.__root
+ last = root[0]
+ last[1] = root[0] = self.__map[key] = [last, root, key]
+ dict_setitem(self, key, value)
+
+ def __delitem__(self, key, dict_delitem=dict.__delitem__):
+ 'od.__delitem__(y) <==> del od[y]'
+ # Deleting an existing item uses self.__map to find the link which is
+ # then removed by updating the links in the predecessor and successor nodes.
+ dict_delitem(self, key)
+ link_prev, link_next, key = self.__map.pop(key)
+ link_prev[1] = link_next
+ link_next[0] = link_prev
+
+ def __iter__(self):
+ 'od.__iter__() <==> iter(od)'
+ root = self.__root
+ curr = root[1]
+ while curr is not root:
+ yield curr[2]
+ curr = curr[1]
+
+ def __reversed__(self):
+ 'od.__reversed__() <==> reversed(od)'
+ root = self.__root
+ curr = root[0]
+ while curr is not root:
+ yield curr[2]
+ curr = curr[0]
+
+ def clear(self):
+ 'od.clear() -> None. Remove all items from od.'
+ try:
+ for node in self.__map.itervalues():
+ del node[:]
+ root = self.__root
+ root[:] = [root, root, None]
+ self.__map.clear()
+ except AttributeError:
+ pass
+ dict.clear(self)
+
+ def popitem(self, last=True):
+ '''od.popitem() -> (k, v), return and remove a (key, value) pair.
+ Pairs are returned in LIFO order if last is true or FIFO order if false.
+
+ '''
+ if not self:
+ raise KeyError('dictionary is empty')
+ root = self.__root
+ if last:
+ link = root[0]
+ link_prev = link[0]
+ link_prev[1] = root
+ root[0] = link_prev
+ else:
+ link = root[1]
+ link_next = link[1]
+ root[1] = link_next
+ link_next[0] = root
+ key = link[2]
+ del self.__map[key]
+ value = dict.pop(self, key)
+ return key, value
+
+ # -- the following methods do not depend on the internal structure --
+
+ def keys(self):
+ 'od.keys() -> list of keys in od'
+ return list(self)
+
+ def values(self):
+ 'od.values() -> list of values in od'
+ return [self[key] for key in self]
+
+ def items(self):
+ 'od.items() -> list of (key, value) pairs in od'
+ return [(key, self[key]) for key in self]
+
+ def iterkeys(self):
+ 'od.iterkeys() -> an iterator over the keys in od'
+ return iter(self)
+
+ def itervalues(self):
+ 'od.itervalues -> an iterator over the values in od'
+ for k in self:
+ yield self[k]
+
+ def iteritems(self):
+ 'od.iteritems -> an iterator over the (key, value) items in od'
+ for k in self:
+ yield (k, self[k])
+
+ def update(*args, **kwds):
+ '''od.update(E, **F) -> None. Update od from dict/iterable E and F.
+
+ If E is a dict instance, does: for k in E: od[k] = E[k]
+ If E has a .keys() method, does: for k in E.keys(): od[k] = E[k]
+ Or if E is an iterable of items, does: for k, v in E: od[k] = v
+ In either case, this is followed by: for k, v in F.items(): od[k] = v
+
+ '''
+ if len(args) > 2:
+ raise TypeError('update() takes at most 2 positional '
+ 'arguments (%d given)' % (len(args), ))
+ elif not args:
+ raise TypeError('update() takes at least 1 argument (0 given)')
+ self = args[0]
+ # Make progressively weaker assumptions about "other"
+ other = ()
+ if len(args) == 2:
+ other = args[1]
+ if isinstance(other, dict):
+ for key in other:
+ self[key] = other[key]
+ elif hasattr(other, 'keys'):
+ for key in other.keys():
+ self[key] = other[key]
+ else:
+ for key, value in other:
+ self[key] = value
+ for key, value in kwds.items():
+ self[key] = value
+
+ __update = update # let subclasses override update without breaking __init__
+
+ __marker = object()
+
+ def pop(self, key, default=__marker):
+ '''od.pop(k[,d]) -> v, remove specified key and return the corresponding value.
+ If key is not found, d is returned if given, otherwise KeyError is raised.
+
+ '''
+ if key in self:
+ result = self[key]
+ del self[key]
+ return result
+ if default is self.__marker:
+ raise KeyError(key)
+ return default
+
+ def setdefault(self, key, default=None):
+ 'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od'
+ if key in self:
+ return self[key]
+ self[key] = default
+ return default
+
+ def __repr__(self, _repr_running=None):
+ 'od.__repr__() <==> repr(od)'
+ if not _repr_running:
+ _repr_running = {}
+ call_key = id(self), _get_ident()
+ if call_key in _repr_running:
+ return '...'
+ _repr_running[call_key] = 1
+ try:
+ if not self:
+ return '%s()' % (self.__class__.__name__, )
+ return '%s(%r)' % (self.__class__.__name__, self.items())
+ finally:
+ del _repr_running[call_key]
+
+ def __reduce__(self):
+ 'Return state information for pickling'
+ items = [[k, self[k]] for k in self]
+ inst_dict = vars(self).copy()
+ for k in vars(OrderedDict()):
+ inst_dict.pop(k, None)
+ if inst_dict:
+ return (self.__class__, (items, ), inst_dict)
+ return self.__class__, (items, )
+
+ def copy(self):
+ 'od.copy() -> a shallow copy of od'
+ return self.__class__(self)
+
+ @classmethod
+ def fromkeys(cls, iterable, value=None):
+ '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S
+ and values equal to v (which defaults to None).
+
+ '''
+ d = cls()
+ for key in iterable:
+ d[key] = value
+ return d
+
+ def __eq__(self, other):
+ '''od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive
+ while comparison to a regular mapping is order-insensitive.
+
+ '''
+ if isinstance(other, OrderedDict):
+ return len(self) == len(
+ other) and self.items() == other.items()
+ return dict.__eq__(self, other)
+
+ def __ne__(self, other):
+ return not self == other
+
+ # -- the following methods are only used in Python 2.7 --
+
+ def viewkeys(self):
+ "od.viewkeys() -> a set-like object providing a view on od's keys"
+ return KeysView(self)
+
+ def viewvalues(self):
+ "od.viewvalues() -> an object providing a view on od's values"
+ return ValuesView(self)
+
+ def viewitems(self):
+ "od.viewitems() -> a set-like object providing a view on od's items"
+ return ItemsView(self)
+
+
+try:
+ from logging.config import BaseConfigurator, valid_ident
+except ImportError: # pragma: no cover
+ IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I)
+
+ def valid_ident(s):
+ m = IDENTIFIER.match(s)
+ if not m:
+ raise ValueError('Not a valid Python identifier: %r' % s)
+ return True
+
+ # The ConvertingXXX classes are wrappers around standard Python containers,
+ # and they serve to convert any suitable values in the container. The
+ # conversion converts base dicts, lists and tuples to their wrapped
+ # equivalents, whereas strings which match a conversion format are converted
+ # appropriately.
+ #
+ # Each wrapper should have a configurator attribute holding the actual
+ # configurator to use for conversion.
+
+ class ConvertingDict(dict):
+ """A converting dictionary wrapper."""
+
+ def __getitem__(self, key):
+ value = dict.__getitem__(self, key)
+ result = self.configurator.convert(value)
+ # If the converted value is different, save for next time
+ if value is not result:
+ self[key] = result
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ def get(self, key, default=None):
+ value = dict.get(self, key, default)
+ result = self.configurator.convert(value)
+ # If the converted value is different, save for next time
+ if value is not result:
+ self[key] = result
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ def pop(self, key, default=None):
+ value = dict.pop(self, key, default)
+ result = self.configurator.convert(value)
+ if value is not result:
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ class ConvertingList(list):
+ """A converting list wrapper."""
+
+ def __getitem__(self, key):
+ value = list.__getitem__(self, key)
+ result = self.configurator.convert(value)
+ # If the converted value is different, save for next time
+ if value is not result:
+ self[key] = result
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ def pop(self, idx=-1):
+ value = list.pop(self, idx)
+ result = self.configurator.convert(value)
+ if value is not result:
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ return result
+
+ class ConvertingTuple(tuple):
+ """A converting tuple wrapper."""
+
+ def __getitem__(self, key):
+ value = tuple.__getitem__(self, key)
+ result = self.configurator.convert(value)
+ if value is not result:
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ class BaseConfigurator(object):
+ """
+ The configurator base class which defines some useful defaults.
+ """
+
+ CONVERT_PATTERN = re.compile(r'^(?P<prefix>[a-z]+)://(?P<suffix>.*)$')
+
+ WORD_PATTERN = re.compile(r'^\s*(\w+)\s*')
+ DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*')
+ INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*')
+ DIGIT_PATTERN = re.compile(r'^\d+$')
+
+ value_converters = {
+ 'ext': 'ext_convert',
+ 'cfg': 'cfg_convert',
+ }
+
+ # We might want to use a different one, e.g. importlib
+ importer = staticmethod(__import__)
+
+ def __init__(self, config):
+ self.config = ConvertingDict(config)
+ self.config.configurator = self
+
+ def resolve(self, s):
+ """
+ Resolve strings to objects using standard import and attribute
+ syntax.
+ """
+ name = s.split('.')
+ used = name.pop(0)
+ try:
+ found = self.importer(used)
+ for frag in name:
+ used += '.' + frag
+ try:
+ found = getattr(found, frag)
+ except AttributeError:
+ self.importer(used)
+ found = getattr(found, frag)
+ return found
+ except ImportError:
+ e, tb = sys.exc_info()[1:]
+ v = ValueError('Cannot resolve %r: %s' % (s, e))
+ v.__cause__, v.__traceback__ = e, tb
+ raise v
+
+ def ext_convert(self, value):
+ """Default converter for the ext:// protocol."""
+ return self.resolve(value)
+
+ def cfg_convert(self, value):
+ """Default converter for the cfg:// protocol."""
+ rest = value
+ m = self.WORD_PATTERN.match(rest)
+ if m is None:
+ raise ValueError("Unable to convert %r" % value)
+ else:
+ rest = rest[m.end():]
+ d = self.config[m.groups()[0]]
+ while rest:
+ m = self.DOT_PATTERN.match(rest)
+ if m:
+ d = d[m.groups()[0]]
+ else:
+ m = self.INDEX_PATTERN.match(rest)
+ if m:
+ idx = m.groups()[0]
+ if not self.DIGIT_PATTERN.match(idx):
+ d = d[idx]
+ else:
+ try:
+ n = int(
+ idx
+ ) # try as number first (most likely)
+ d = d[n]
+ except TypeError:
+ d = d[idx]
+ if m:
+ rest = rest[m.end():]
+ else:
+ raise ValueError('Unable to convert '
+ '%r at %r' % (value, rest))
+ # rest should be empty
+ return d
+
+ def convert(self, value):
+ """
+ Convert values to an appropriate type. dicts, lists and tuples are
+ replaced by their converting alternatives. Strings are checked to
+ see if they have a conversion format and are converted if they do.
+ """
+ if not isinstance(value, ConvertingDict) and isinstance(
+ value, dict):
+ value = ConvertingDict(value)
+ value.configurator = self
+ elif not isinstance(value, ConvertingList) and isinstance(
+ value, list):
+ value = ConvertingList(value)
+ value.configurator = self
+ elif not isinstance(value, ConvertingTuple) and isinstance(value, tuple):
+ value = ConvertingTuple(value)
+ value.configurator = self
+ elif isinstance(value, string_types):
+ m = self.CONVERT_PATTERN.match(value)
+ if m:
+ d = m.groupdict()
+ prefix = d['prefix']
+ converter = self.value_converters.get(prefix, None)
+ if converter:
+ suffix = d['suffix']
+ converter = getattr(self, converter)
+ value = converter(suffix)
+ return value
+
+ def configure_custom(self, config):
+ """Configure an object with a user-supplied factory."""
+ c = config.pop('()')
+ if not callable(c):
+ c = self.resolve(c)
+ props = config.pop('.', None)
+ # Check for valid identifiers
+ kwargs = dict([(k, config[k]) for k in config if valid_ident(k)])
+ result = c(**kwargs)
+ if props:
+ for name, value in props.items():
+ setattr(result, name, value)
+ return result
+
+ def as_tuple(self, value):
+ """Utility function which converts lists to tuples."""
+ if isinstance(value, list):
+ value = tuple(value)
+ return value
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/resources.py b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/resources.py
new file mode 100644
index 0000000..fef52aa
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/resources.py
@@ -0,0 +1,358 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2017 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import unicode_literals
+
+import bisect
+import io
+import logging
+import os
+import pkgutil
+import sys
+import types
+import zipimport
+
+from . import DistlibException
+from .util import cached_property, get_cache_base, Cache
+
+logger = logging.getLogger(__name__)
+
+
+cache = None # created when needed
+
+
+class ResourceCache(Cache):
+ def __init__(self, base=None):
+ if base is None:
+ # Use native string to avoid issues on 2.x: see Python #20140.
+ base = os.path.join(get_cache_base(), str('resource-cache'))
+ super(ResourceCache, self).__init__(base)
+
+ def is_stale(self, resource, path):
+ """
+ Is the cache stale for the given resource?
+
+ :param resource: The :class:`Resource` being cached.
+ :param path: The path of the resource in the cache.
+ :return: True if the cache is stale.
+ """
+ # Cache invalidation is a hard problem :-)
+ return True
+
+ def get(self, resource):
+ """
+ Get a resource into the cache,
+
+ :param resource: A :class:`Resource` instance.
+ :return: The pathname of the resource in the cache.
+ """
+ prefix, path = resource.finder.get_cache_info(resource)
+ if prefix is None:
+ result = path
+ else:
+ result = os.path.join(self.base, self.prefix_to_dir(prefix), path)
+ dirname = os.path.dirname(result)
+ if not os.path.isdir(dirname):
+ os.makedirs(dirname)
+ if not os.path.exists(result):
+ stale = True
+ else:
+ stale = self.is_stale(resource, path)
+ if stale:
+ # write the bytes of the resource to the cache location
+ with open(result, 'wb') as f:
+ f.write(resource.bytes)
+ return result
+
+
+class ResourceBase(object):
+ def __init__(self, finder, name):
+ self.finder = finder
+ self.name = name
+
+
+class Resource(ResourceBase):
+ """
+ A class representing an in-package resource, such as a data file. This is
+ not normally instantiated by user code, but rather by a
+ :class:`ResourceFinder` which manages the resource.
+ """
+ is_container = False # Backwards compatibility
+
+ def as_stream(self):
+ """
+ Get the resource as a stream.
+
+ This is not a property to make it obvious that it returns a new stream
+ each time.
+ """
+ return self.finder.get_stream(self)
+
+ @cached_property
+ def file_path(self):
+ global cache
+ if cache is None:
+ cache = ResourceCache()
+ return cache.get(self)
+
+ @cached_property
+ def bytes(self):
+ return self.finder.get_bytes(self)
+
+ @cached_property
+ def size(self):
+ return self.finder.get_size(self)
+
+
+class ResourceContainer(ResourceBase):
+ is_container = True # Backwards compatibility
+
+ @cached_property
+ def resources(self):
+ return self.finder.get_resources(self)
+
+
+class ResourceFinder(object):
+ """
+ Resource finder for file system resources.
+ """
+
+ if sys.platform.startswith('java'):
+ skipped_extensions = ('.pyc', '.pyo', '.class')
+ else:
+ skipped_extensions = ('.pyc', '.pyo')
+
+ def __init__(self, module):
+ self.module = module
+ self.loader = getattr(module, '__loader__', None)
+ self.base = os.path.dirname(getattr(module, '__file__', ''))
+
+ def _adjust_path(self, path):
+ return os.path.realpath(path)
+
+ def _make_path(self, resource_name):
+ # Issue #50: need to preserve type of path on Python 2.x
+ # like os.path._get_sep
+ if isinstance(resource_name, bytes): # should only happen on 2.x
+ sep = b'/'
+ else:
+ sep = '/'
+ parts = resource_name.split(sep)
+ parts.insert(0, self.base)
+ result = os.path.join(*parts)
+ return self._adjust_path(result)
+
+ def _find(self, path):
+ return os.path.exists(path)
+
+ def get_cache_info(self, resource):
+ return None, resource.path
+
+ def find(self, resource_name):
+ path = self._make_path(resource_name)
+ if not self._find(path):
+ result = None
+ else:
+ if self._is_directory(path):
+ result = ResourceContainer(self, resource_name)
+ else:
+ result = Resource(self, resource_name)
+ result.path = path
+ return result
+
+ def get_stream(self, resource):
+ return open(resource.path, 'rb')
+
+ def get_bytes(self, resource):
+ with open(resource.path, 'rb') as f:
+ return f.read()
+
+ def get_size(self, resource):
+ return os.path.getsize(resource.path)
+
+ def get_resources(self, resource):
+ def allowed(f):
+ return (f != '__pycache__' and not
+ f.endswith(self.skipped_extensions))
+ return set([f for f in os.listdir(resource.path) if allowed(f)])
+
+ def is_container(self, resource):
+ return self._is_directory(resource.path)
+
+ _is_directory = staticmethod(os.path.isdir)
+
+ def iterator(self, resource_name):
+ resource = self.find(resource_name)
+ if resource is not None:
+ todo = [resource]
+ while todo:
+ resource = todo.pop(0)
+ yield resource
+ if resource.is_container:
+ rname = resource.name
+ for name in resource.resources:
+ if not rname:
+ new_name = name
+ else:
+ new_name = '/'.join([rname, name])
+ child = self.find(new_name)
+ if child.is_container:
+ todo.append(child)
+ else:
+ yield child
+
+
+class ZipResourceFinder(ResourceFinder):
+ """
+ Resource finder for resources in .zip files.
+ """
+ def __init__(self, module):
+ super(ZipResourceFinder, self).__init__(module)
+ archive = self.loader.archive
+ self.prefix_len = 1 + len(archive)
+ # PyPy doesn't have a _files attr on zipimporter, and you can't set one
+ if hasattr(self.loader, '_files'):
+ self._files = self.loader._files
+ else:
+ self._files = zipimport._zip_directory_cache[archive]
+ self.index = sorted(self._files)
+
+ def _adjust_path(self, path):
+ return path
+
+ def _find(self, path):
+ path = path[self.prefix_len:]
+ if path in self._files:
+ result = True
+ else:
+ if path and path[-1] != os.sep:
+ path = path + os.sep
+ i = bisect.bisect(self.index, path)
+ try:
+ result = self.index[i].startswith(path)
+ except IndexError:
+ result = False
+ if not result:
+ logger.debug('_find failed: %r %r', path, self.loader.prefix)
+ else:
+ logger.debug('_find worked: %r %r', path, self.loader.prefix)
+ return result
+
+ def get_cache_info(self, resource):
+ prefix = self.loader.archive
+ path = resource.path[1 + len(prefix):]
+ return prefix, path
+
+ def get_bytes(self, resource):
+ return self.loader.get_data(resource.path)
+
+ def get_stream(self, resource):
+ return io.BytesIO(self.get_bytes(resource))
+
+ def get_size(self, resource):
+ path = resource.path[self.prefix_len:]
+ return self._files[path][3]
+
+ def get_resources(self, resource):
+ path = resource.path[self.prefix_len:]
+ if path and path[-1] != os.sep:
+ path += os.sep
+ plen = len(path)
+ result = set()
+ i = bisect.bisect(self.index, path)
+ while i < len(self.index):
+ if not self.index[i].startswith(path):
+ break
+ s = self.index[i][plen:]
+ result.add(s.split(os.sep, 1)[0]) # only immediate children
+ i += 1
+ return result
+
+ def _is_directory(self, path):
+ path = path[self.prefix_len:]
+ if path and path[-1] != os.sep:
+ path += os.sep
+ i = bisect.bisect(self.index, path)
+ try:
+ result = self.index[i].startswith(path)
+ except IndexError:
+ result = False
+ return result
+
+
+_finder_registry = {
+ type(None): ResourceFinder,
+ zipimport.zipimporter: ZipResourceFinder
+}
+
+try:
+ # In Python 3.6, _frozen_importlib -> _frozen_importlib_external
+ try:
+ import _frozen_importlib_external as _fi
+ except ImportError:
+ import _frozen_importlib as _fi
+ _finder_registry[_fi.SourceFileLoader] = ResourceFinder
+ _finder_registry[_fi.FileFinder] = ResourceFinder
+ # See issue #146
+ _finder_registry[_fi.SourcelessFileLoader] = ResourceFinder
+ del _fi
+except (ImportError, AttributeError):
+ pass
+
+
+def register_finder(loader, finder_maker):
+ _finder_registry[type(loader)] = finder_maker
+
+
+_finder_cache = {}
+
+
+def finder(package):
+ """
+ Return a resource finder for a package.
+ :param package: The name of the package.
+ :return: A :class:`ResourceFinder` instance for the package.
+ """
+ if package in _finder_cache:
+ result = _finder_cache[package]
+ else:
+ if package not in sys.modules:
+ __import__(package)
+ module = sys.modules[package]
+ path = getattr(module, '__path__', None)
+ if path is None:
+ raise DistlibException('You cannot get a finder for a module, '
+ 'only for a package')
+ loader = getattr(module, '__loader__', None)
+ finder_maker = _finder_registry.get(type(loader))
+ if finder_maker is None:
+ raise DistlibException('Unable to locate finder for %r' % package)
+ result = finder_maker(module)
+ _finder_cache[package] = result
+ return result
+
+
+_dummy_module = types.ModuleType(str('__dummy__'))
+
+
+def finder_for_path(path):
+ """
+ Return a resource finder for a path, which should represent a container.
+
+ :param path: The path.
+ :return: A :class:`ResourceFinder` instance for the path.
+ """
+ result = None
+ # calls any path hooks, gets importer into cache
+ pkgutil.get_importer(path)
+ loader = sys.path_importer_cache.get(path)
+ finder = _finder_registry.get(type(loader))
+ if finder:
+ module = _dummy_module
+ module.__file__ = os.path.join(path, '')
+ module.__loader__ = loader
+ result = finder(module)
+ return result
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/scripts.py b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/scripts.py
new file mode 100644
index 0000000..195dc3f
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/scripts.py
@@ -0,0 +1,447 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2023 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from io import BytesIO
+import logging
+import os
+import re
+import struct
+import sys
+import time
+from zipfile import ZipInfo
+
+from .compat import sysconfig, detect_encoding, ZipFile
+from .resources import finder
+from .util import (FileOperator, get_export_entry, convert_path, get_executable, get_platform, in_venv)
+
+logger = logging.getLogger(__name__)
+
+_DEFAULT_MANIFEST = '''
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+ <assemblyIdentity version="1.0.0.0"
+ processorArchitecture="X86"
+ name="%s"
+ type="win32"/>
+
+ <!-- Identify the application security requirements. -->
+ <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+ <security>
+ <requestedPrivileges>
+ <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+ </requestedPrivileges>
+ </security>
+ </trustInfo>
+</assembly>'''.strip()
+
+# check if Python is called on the first line with this expression
+FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$')
+SCRIPT_TEMPLATE = r'''# -*- coding: utf-8 -*-
+import re
+import sys
+if __name__ == '__main__':
+ from %(module)s import %(import_name)s
+ sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+ sys.exit(%(func)s())
+'''
+
+# Pre-fetch the contents of all executable wrapper stubs.
+# This is to address https://github.com/pypa/pip/issues/12666.
+# When updating pip, we rename the old pip in place before installing the
+# new version. If we try to fetch a wrapper *after* that rename, the finder
+# machinery will be confused as the package is no longer available at the
+# location where it was imported from. So we load everything into memory in
+# advance.
+
+if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'):
+ # Issue 31: don't hardcode an absolute package name, but
+ # determine it relative to the current package
+ DISTLIB_PACKAGE = __name__.rsplit('.', 1)[0]
+
+ WRAPPERS = {
+ r.name: r.bytes
+ for r in finder(DISTLIB_PACKAGE).iterator("")
+ if r.name.endswith(".exe")
+ }
+
+
+def enquote_executable(executable):
+ if ' ' in executable:
+ # make sure we quote only the executable in case of env
+ # for example /usr/bin/env "/dir with spaces/bin/jython"
+ # instead of "/usr/bin/env /dir with spaces/bin/jython"
+ # otherwise whole
+ if executable.startswith('/usr/bin/env '):
+ env, _executable = executable.split(' ', 1)
+ if ' ' in _executable and not _executable.startswith('"'):
+ executable = '%s "%s"' % (env, _executable)
+ else:
+ if not executable.startswith('"'):
+ executable = '"%s"' % executable
+ return executable
+
+
+# Keep the old name around (for now), as there is at least one project using it!
+_enquote_executable = enquote_executable
+
+
+class ScriptMaker(object):
+ """
+ A class to copy or create scripts from source scripts or callable
+ specifications.
+ """
+ script_template = SCRIPT_TEMPLATE
+
+ executable = None # for shebangs
+
+ def __init__(self, source_dir, target_dir, add_launchers=True, dry_run=False, fileop=None):
+ self.source_dir = source_dir
+ self.target_dir = target_dir
+ self.add_launchers = add_launchers
+ self.force = False
+ self.clobber = False
+ # It only makes sense to set mode bits on POSIX.
+ self.set_mode = (os.name == 'posix') or (os.name == 'java' and os._name == 'posix')
+ self.variants = set(('', 'X.Y'))
+ self._fileop = fileop or FileOperator(dry_run)
+
+ self._is_nt = os.name == 'nt' or (os.name == 'java' and os._name == 'nt')
+ self.version_info = sys.version_info
+
+ def _get_alternate_executable(self, executable, options):
+ if options.get('gui', False) and self._is_nt: # pragma: no cover
+ dn, fn = os.path.split(executable)
+ fn = fn.replace('python', 'pythonw')
+ executable = os.path.join(dn, fn)
+ return executable
+
+ if sys.platform.startswith('java'): # pragma: no cover
+
+ def _is_shell(self, executable):
+ """
+ Determine if the specified executable is a script
+ (contains a #! line)
+ """
+ try:
+ with open(executable) as fp:
+ return fp.read(2) == '#!'
+ except (OSError, IOError):
+ logger.warning('Failed to open %s', executable)
+ return False
+
+ def _fix_jython_executable(self, executable):
+ if self._is_shell(executable):
+ # Workaround for Jython is not needed on Linux systems.
+ import java
+
+ if java.lang.System.getProperty('os.name') == 'Linux':
+ return executable
+ elif executable.lower().endswith('jython.exe'):
+ # Use wrapper exe for Jython on Windows
+ return executable
+ return '/usr/bin/env %s' % executable
+
+ def _build_shebang(self, executable, post_interp):
+ """
+ Build a shebang line. In the simple case (on Windows, or a shebang line
+ which is not too long or contains spaces) use a simple formulation for
+ the shebang. Otherwise, use /bin/sh as the executable, with a contrived
+ shebang which allows the script to run either under Python or sh, using
+ suitable quoting. Thanks to Harald Nordgren for his input.
+
+ See also: http://www.in-ulm.de/~mascheck/various/shebang/#length
+ https://hg.mozilla.org/mozilla-central/file/tip/mach
+ """
+ if os.name != 'posix':
+ simple_shebang = True
+ elif getattr(sys, "cross_compiling", False):
+ # In a cross-compiling environment, the shebang will likely be a
+ # script; this *must* be invoked with the "safe" version of the
+ # shebang, or else using os.exec() to run the entry script will
+ # fail, raising "OSError 8 [Errno 8] Exec format error".
+ simple_shebang = False
+ else:
+ # Add 3 for '#!' prefix and newline suffix.
+ shebang_length = len(executable) + len(post_interp) + 3
+ if sys.platform == 'darwin':
+ max_shebang_length = 512
+ else:
+ max_shebang_length = 127
+ simple_shebang = ((b' ' not in executable) and (shebang_length <= max_shebang_length))
+
+ if simple_shebang:
+ result = b'#!' + executable + post_interp + b'\n'
+ else:
+ result = b'#!/bin/sh\n'
+ result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n'
+ result += b"' '''\n"
+ return result
+
+ def _get_shebang(self, encoding, post_interp=b'', options=None):
+ enquote = True
+ if self.executable:
+ executable = self.executable
+ enquote = False # assume this will be taken care of
+ elif not sysconfig.is_python_build():
+ executable = get_executable()
+ elif in_venv(): # pragma: no cover
+ executable = os.path.join(sysconfig.get_path('scripts'), 'python%s' % sysconfig.get_config_var('EXE'))
+ else: # pragma: no cover
+ if os.name == 'nt':
+ # for Python builds from source on Windows, no Python executables with
+ # a version suffix are created, so we use python.exe
+ executable = os.path.join(sysconfig.get_config_var('BINDIR'),
+ 'python%s' % (sysconfig.get_config_var('EXE')))
+ else:
+ executable = os.path.join(
+ sysconfig.get_config_var('BINDIR'),
+ 'python%s%s' % (sysconfig.get_config_var('VERSION'), sysconfig.get_config_var('EXE')))
+ if options:
+ executable = self._get_alternate_executable(executable, options)
+
+ if sys.platform.startswith('java'): # pragma: no cover
+ executable = self._fix_jython_executable(executable)
+
+ # Normalise case for Windows - COMMENTED OUT
+ # executable = os.path.normcase(executable)
+ # N.B. The normalising operation above has been commented out: See
+ # issue #124. Although paths in Windows are generally case-insensitive,
+ # they aren't always. For example, a path containing a ẞ (which is a
+ # LATIN CAPITAL LETTER SHARP S - U+1E9E) is normcased to ß (which is a
+ # LATIN SMALL LETTER SHARP S' - U+00DF). The two are not considered by
+ # Windows as equivalent in path names.
+
+ # If the user didn't specify an executable, it may be necessary to
+ # cater for executable paths with spaces (not uncommon on Windows)
+ if enquote:
+ executable = enquote_executable(executable)
+ # Issue #51: don't use fsencode, since we later try to
+ # check that the shebang is decodable using utf-8.
+ executable = executable.encode('utf-8')
+ # in case of IronPython, play safe and enable frames support
+ if (sys.platform == 'cli' and '-X:Frames' not in post_interp and
+ '-X:FullFrames' not in post_interp): # pragma: no cover
+ post_interp += b' -X:Frames'
+ shebang = self._build_shebang(executable, post_interp)
+ # Python parser starts to read a script using UTF-8 until
+ # it gets a #coding:xxx cookie. The shebang has to be the
+ # first line of a file, the #coding:xxx cookie cannot be
+ # written before. So the shebang has to be decodable from
+ # UTF-8.
+ try:
+ shebang.decode('utf-8')
+ except UnicodeDecodeError: # pragma: no cover
+ raise ValueError('The shebang (%r) is not decodable from utf-8' % shebang)
+ # If the script is encoded to a custom encoding (use a
+ # #coding:xxx cookie), the shebang has to be decodable from
+ # the script encoding too.
+ if encoding != 'utf-8':
+ try:
+ shebang.decode(encoding)
+ except UnicodeDecodeError: # pragma: no cover
+ raise ValueError('The shebang (%r) is not decodable '
+ 'from the script encoding (%r)' % (shebang, encoding))
+ return shebang
+
+ def _get_script_text(self, entry):
+ return self.script_template % dict(
+ module=entry.prefix, import_name=entry.suffix.split('.')[0], func=entry.suffix)
+
+ manifest = _DEFAULT_MANIFEST
+
+ def get_manifest(self, exename):
+ base = os.path.basename(exename)
+ return self.manifest % base
+
+ def _write_script(self, names, shebang, script_bytes, filenames, ext):
+ use_launcher = self.add_launchers and self._is_nt
+ if not use_launcher:
+ script_bytes = shebang + script_bytes
+ else: # pragma: no cover
+ if ext == 'py':
+ launcher = self._get_launcher('t')
+ else:
+ launcher = self._get_launcher('w')
+ stream = BytesIO()
+ with ZipFile(stream, 'w') as zf:
+ source_date_epoch = os.environ.get('SOURCE_DATE_EPOCH')
+ if source_date_epoch:
+ date_time = time.gmtime(int(source_date_epoch))[:6]
+ zinfo = ZipInfo(filename='__main__.py', date_time=date_time)
+ zf.writestr(zinfo, script_bytes)
+ else:
+ zf.writestr('__main__.py', script_bytes)
+ zip_data = stream.getvalue()
+ script_bytes = launcher + shebang + zip_data
+ for name in names:
+ outname = os.path.join(self.target_dir, name)
+ if use_launcher: # pragma: no cover
+ n, e = os.path.splitext(outname)
+ if e.startswith('.py'):
+ outname = n
+ outname = '%s.exe' % outname
+ try:
+ self._fileop.write_binary_file(outname, script_bytes)
+ except Exception:
+ # Failed writing an executable - it might be in use.
+ logger.warning('Failed to write executable - trying to '
+ 'use .deleteme logic')
+ dfname = '%s.deleteme' % outname
+ if os.path.exists(dfname):
+ os.remove(dfname) # Not allowed to fail here
+ os.rename(outname, dfname) # nor here
+ self._fileop.write_binary_file(outname, script_bytes)
+ logger.debug('Able to replace executable using '
+ '.deleteme logic')
+ try:
+ os.remove(dfname)
+ except Exception:
+ pass # still in use - ignore error
+ else:
+ if self._is_nt and not outname.endswith('.' + ext): # pragma: no cover
+ outname = '%s.%s' % (outname, ext)
+ if os.path.exists(outname) and not self.clobber:
+ logger.warning('Skipping existing file %s', outname)
+ continue
+ self._fileop.write_binary_file(outname, script_bytes)
+ if self.set_mode:
+ self._fileop.set_executable_mode([outname])
+ filenames.append(outname)
+
+ variant_separator = '-'
+
+ def get_script_filenames(self, name):
+ result = set()
+ if '' in self.variants:
+ result.add(name)
+ if 'X' in self.variants:
+ result.add('%s%s' % (name, self.version_info[0]))
+ if 'X.Y' in self.variants:
+ result.add('%s%s%s.%s' % (name, self.variant_separator, self.version_info[0], self.version_info[1]))
+ return result
+
+ def _make_script(self, entry, filenames, options=None):
+ post_interp = b''
+ if options:
+ args = options.get('interpreter_args', [])
+ if args:
+ args = ' %s' % ' '.join(args)
+ post_interp = args.encode('utf-8')
+ shebang = self._get_shebang('utf-8', post_interp, options=options)
+ script = self._get_script_text(entry).encode('utf-8')
+ scriptnames = self.get_script_filenames(entry.name)
+ if options and options.get('gui', False):
+ ext = 'pyw'
+ else:
+ ext = 'py'
+ self._write_script(scriptnames, shebang, script, filenames, ext)
+
+ def _copy_script(self, script, filenames):
+ adjust = False
+ script = os.path.join(self.source_dir, convert_path(script))
+ outname = os.path.join(self.target_dir, os.path.basename(script))
+ if not self.force and not self._fileop.newer(script, outname):
+ logger.debug('not copying %s (up-to-date)', script)
+ return
+
+ # Always open the file, but ignore failures in dry-run mode --
+ # that way, we'll get accurate feedback if we can read the
+ # script.
+ try:
+ f = open(script, 'rb')
+ except IOError: # pragma: no cover
+ if not self.dry_run:
+ raise
+ f = None
+ else:
+ first_line = f.readline()
+ if not first_line: # pragma: no cover
+ logger.warning('%s is an empty file (skipping)', script)
+ return
+
+ match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n'))
+ if match:
+ adjust = True
+ post_interp = match.group(1) or b''
+
+ if not adjust:
+ if f:
+ f.close()
+ self._fileop.copy_file(script, outname)
+ if self.set_mode:
+ self._fileop.set_executable_mode([outname])
+ filenames.append(outname)
+ else:
+ logger.info('copying and adjusting %s -> %s', script, self.target_dir)
+ if not self._fileop.dry_run:
+ encoding, lines = detect_encoding(f.readline)
+ f.seek(0)
+ shebang = self._get_shebang(encoding, post_interp)
+ if b'pythonw' in first_line: # pragma: no cover
+ ext = 'pyw'
+ else:
+ ext = 'py'
+ n = os.path.basename(outname)
+ self._write_script([n], shebang, f.read(), filenames, ext)
+ if f:
+ f.close()
+
+ @property
+ def dry_run(self):
+ return self._fileop.dry_run
+
+ @dry_run.setter
+ def dry_run(self, value):
+ self._fileop.dry_run = value
+
+ if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'): # pragma: no cover
+ # Executable launcher support.
+ # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/
+
+ def _get_launcher(self, kind):
+ if struct.calcsize('P') == 8: # 64-bit
+ bits = '64'
+ else:
+ bits = '32'
+ platform_suffix = '-arm' if get_platform() == 'win-arm64' else ''
+ name = '%s%s%s.exe' % (kind, bits, platform_suffix)
+ if name not in WRAPPERS:
+ msg = ('Unable to find resource %s in package %s' %
+ (name, DISTLIB_PACKAGE))
+ raise ValueError(msg)
+ return WRAPPERS[name]
+
+ # Public API follows
+
+ def make(self, specification, options=None):
+ """
+ Make a script.
+
+ :param specification: The specification, which is either a valid export
+ entry specification (to make a script from a
+ callable) or a filename (to make a script by
+ copying from a source location).
+ :param options: A dictionary of options controlling script generation.
+ :return: A list of all absolute pathnames written to.
+ """
+ filenames = []
+ entry = get_export_entry(specification)
+ if entry is None:
+ self._copy_script(specification, filenames)
+ else:
+ self._make_script(entry, filenames, options=options)
+ return filenames
+
+ def make_multiple(self, specifications, options=None):
+ """
+ Take a list of specifications and make scripts from them,
+ :param specifications: A list of specifications.
+ :return: A list of all absolute pathnames written to,
+ """
+ filenames = []
+ for specification in specifications:
+ filenames.extend(self.make(specification, options))
+ return filenames
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t32.exe b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t32.exe
new file mode 100644
index 0000000..52154f0
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t32.exe
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64-arm.exe b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64-arm.exe
new file mode 100644
index 0000000..e1ab8f8
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64-arm.exe
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64.exe b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64.exe
new file mode 100644
index 0000000..e8bebdb
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/t64.exe
Binary files differ
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/util.py b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/util.py
new file mode 100644
index 0000000..0d5bd7a
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/distlib/util.py
@@ -0,0 +1,1984 @@
+#
+# Copyright (C) 2012-2023 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+import codecs
+from collections import deque
+import contextlib
+import csv
+from glob import iglob as std_iglob
+import io
+import json
+import logging
+import os
+import py_compile
+import re
+import socket
+try:
+ import ssl
+except ImportError: # pragma: no cover
+ ssl = None
+import subprocess
+import sys
+import tarfile
+import tempfile
+import textwrap
+
+try:
+ import threading
+except ImportError: # pragma: no cover
+ import dummy_threading as threading
+import time
+
+from . import DistlibException
+from .compat import (string_types, text_type, shutil, raw_input, StringIO, cache_from_source, urlopen, urljoin, httplib,
+ xmlrpclib, HTTPHandler, BaseConfigurator, valid_ident, Container, configparser, URLError, ZipFile,
+ fsdecode, unquote, urlparse)
+
+logger = logging.getLogger(__name__)
+
+#
+# Requirement parsing code as per PEP 508
+#
+
+IDENTIFIER = re.compile(r'^([\w\.-]+)\s*')
+VERSION_IDENTIFIER = re.compile(r'^([\w\.*+-]+)\s*')
+COMPARE_OP = re.compile(r'^(<=?|>=?|={2,3}|[~!]=)\s*')
+MARKER_OP = re.compile(r'^((<=?)|(>=?)|={2,3}|[~!]=|in|not\s+in)\s*')
+OR = re.compile(r'^or\b\s*')
+AND = re.compile(r'^and\b\s*')
+NON_SPACE = re.compile(r'(\S+)\s*')
+STRING_CHUNK = re.compile(r'([\s\w\.{}()*+#:;,/?!~`@$%^&=|<>\[\]-]+)')
+
+
+def parse_marker(marker_string):
+ """
+ Parse a marker string and return a dictionary containing a marker expression.
+
+ The dictionary will contain keys "op", "lhs" and "rhs" for non-terminals in
+ the expression grammar, or strings. A string contained in quotes is to be
+ interpreted as a literal string, and a string not contained in quotes is a
+ variable (such as os_name).
+ """
+
+ def marker_var(remaining):
+ # either identifier, or literal string
+ m = IDENTIFIER.match(remaining)
+ if m:
+ result = m.groups()[0]
+ remaining = remaining[m.end():]
+ elif not remaining:
+ raise SyntaxError('unexpected end of input')
+ else:
+ q = remaining[0]
+ if q not in '\'"':
+ raise SyntaxError('invalid expression: %s' % remaining)
+ oq = '\'"'.replace(q, '')
+ remaining = remaining[1:]
+ parts = [q]
+ while remaining:
+ # either a string chunk, or oq, or q to terminate
+ if remaining[0] == q:
+ break
+ elif remaining[0] == oq:
+ parts.append(oq)
+ remaining = remaining[1:]
+ else:
+ m = STRING_CHUNK.match(remaining)
+ if not m:
+ raise SyntaxError('error in string literal: %s' % remaining)
+ parts.append(m.groups()[0])
+ remaining = remaining[m.end():]
+ else:
+ s = ''.join(parts)
+ raise SyntaxError('unterminated string: %s' % s)
+ parts.append(q)
+ result = ''.join(parts)
+ remaining = remaining[1:].lstrip() # skip past closing quote
+ return result, remaining
+
+ def marker_expr(remaining):
+ if remaining and remaining[0] == '(':
+ result, remaining = marker(remaining[1:].lstrip())
+ if remaining[0] != ')':
+ raise SyntaxError('unterminated parenthesis: %s' % remaining)
+ remaining = remaining[1:].lstrip()
+ else:
+ lhs, remaining = marker_var(remaining)
+ while remaining:
+ m = MARKER_OP.match(remaining)
+ if not m:
+ break
+ op = m.groups()[0]
+ remaining = remaining[m.end():]
+ rhs, remaining = marker_var(remaining)
+ lhs = {'op': op, 'lhs': lhs, 'rhs': rhs}
+ result = lhs
+ return result, remaining
+
+ def marker_and(remaining):
+ lhs, remaining = marker_expr(remaining)
+ while remaining:
+ m = AND.match(remaining)
+ if not m:
+ break
+ remaining = remaining[m.end():]
+ rhs, remaining = marker_expr(remaining)
+ lhs = {'op': 'and', 'lhs': lhs, 'rhs': rhs}
+ return lhs, remaining
+
+ def marker(remaining):
+ lhs, remaining = marker_and(remaining)
+ while remaining:
+ m = OR.match(remaining)
+ if not m:
+ break
+ remaining = remaining[m.end():]
+ rhs, remaining = marker_and(remaining)
+ lhs = {'op': 'or', 'lhs': lhs, 'rhs': rhs}
+ return lhs, remaining
+
+ return marker(marker_string)
+
+
+def parse_requirement(req):
+ """
+ Parse a requirement passed in as a string. Return a Container
+ whose attributes contain the various parts of the requirement.
+ """
+ remaining = req.strip()
+ if not remaining or remaining.startswith('#'):
+ return None
+ m = IDENTIFIER.match(remaining)
+ if not m:
+ raise SyntaxError('name expected: %s' % remaining)
+ distname = m.groups()[0]
+ remaining = remaining[m.end():]
+ extras = mark_expr = versions = uri = None
+ if remaining and remaining[0] == '[':
+ i = remaining.find(']', 1)
+ if i < 0:
+ raise SyntaxError('unterminated extra: %s' % remaining)
+ s = remaining[1:i]
+ remaining = remaining[i + 1:].lstrip()
+ extras = []
+ while s:
+ m = IDENTIFIER.match(s)
+ if not m:
+ raise SyntaxError('malformed extra: %s' % s)
+ extras.append(m.groups()[0])
+ s = s[m.end():]
+ if not s:
+ break
+ if s[0] != ',':
+ raise SyntaxError('comma expected in extras: %s' % s)
+ s = s[1:].lstrip()
+ if not extras:
+ extras = None
+ if remaining:
+ if remaining[0] == '@':
+ # it's a URI
+ remaining = remaining[1:].lstrip()
+ m = NON_SPACE.match(remaining)
+ if not m:
+ raise SyntaxError('invalid URI: %s' % remaining)
+ uri = m.groups()[0]
+ t = urlparse(uri)
+ # there are issues with Python and URL parsing, so this test
+ # is a bit crude. See bpo-20271, bpo-23505. Python doesn't
+ # always parse invalid URLs correctly - it should raise
+ # exceptions for malformed URLs
+ if not (t.scheme and t.netloc):
+ raise SyntaxError('Invalid URL: %s' % uri)
+ remaining = remaining[m.end():].lstrip()
+ else:
+
+ def get_versions(ver_remaining):
+ """
+ Return a list of operator, version tuples if any are
+ specified, else None.
+ """
+ m = COMPARE_OP.match(ver_remaining)
+ versions = None
+ if m:
+ versions = []
+ while True:
+ op = m.groups()[0]
+ ver_remaining = ver_remaining[m.end():]
+ m = VERSION_IDENTIFIER.match(ver_remaining)
+ if not m:
+ raise SyntaxError('invalid version: %s' % ver_remaining)
+ v = m.groups()[0]
+ versions.append((op, v))
+ ver_remaining = ver_remaining[m.end():]
+ if not ver_remaining or ver_remaining[0] != ',':
+ break
+ ver_remaining = ver_remaining[1:].lstrip()
+ # Some packages have a trailing comma which would break things
+ # See issue #148
+ if not ver_remaining:
+ break
+ m = COMPARE_OP.match(ver_remaining)
+ if not m:
+ raise SyntaxError('invalid constraint: %s' % ver_remaining)
+ if not versions:
+ versions = None
+ return versions, ver_remaining
+
+ if remaining[0] != '(':
+ versions, remaining = get_versions(remaining)
+ else:
+ i = remaining.find(')', 1)
+ if i < 0:
+ raise SyntaxError('unterminated parenthesis: %s' % remaining)
+ s = remaining[1:i]
+ remaining = remaining[i + 1:].lstrip()
+ # As a special diversion from PEP 508, allow a version number
+ # a.b.c in parentheses as a synonym for ~= a.b.c (because this
+ # is allowed in earlier PEPs)
+ if COMPARE_OP.match(s):
+ versions, _ = get_versions(s)
+ else:
+ m = VERSION_IDENTIFIER.match(s)
+ if not m:
+ raise SyntaxError('invalid constraint: %s' % s)
+ v = m.groups()[0]
+ s = s[m.end():].lstrip()
+ if s:
+ raise SyntaxError('invalid constraint: %s' % s)
+ versions = [('~=', v)]
+
+ if remaining:
+ if remaining[0] != ';':
+ raise SyntaxError('invalid requirement: %s' % remaining)
+ remaining = remaining[1:].lstrip()
+
+ mark_expr, remaining = parse_marker(remaining)
+
+ if remaining and remaining[0] != '#':
+ raise SyntaxError('unexpected trailing data: %s' % remaining)
+
+ if not versions:
+ rs = distname
+ else:
+ rs = '%s %s' % (distname, ', '.join(['%s %s' % con for con in versions]))
+ return Container(name=distname, extras=extras, constraints=versions, marker=mark_expr, url=uri, requirement=rs)
+
+
+def get_resources_dests(resources_root, rules):
+ """Find destinations for resources files"""
+
+ def get_rel_path(root, path):
+ # normalizes and returns a lstripped-/-separated path
+ root = root.replace(os.path.sep, '/')
+ path = path.replace(os.path.sep, '/')
+ assert path.startswith(root)
+ return path[len(root):].lstrip('/')
+
+ destinations = {}
+ for base, suffix, dest in rules:
+ prefix = os.path.join(resources_root, base)
+ for abs_base in iglob(prefix):
+ abs_glob = os.path.join(abs_base, suffix)
+ for abs_path in iglob(abs_glob):
+ resource_file = get_rel_path(resources_root, abs_path)
+ if dest is None: # remove the entry if it was here
+ destinations.pop(resource_file, None)
+ else:
+ rel_path = get_rel_path(abs_base, abs_path)
+ rel_dest = dest.replace(os.path.sep, '/').rstrip('/')
+ destinations[resource_file] = rel_dest + '/' + rel_path
+ return destinations
+
+
+def in_venv():
+ if hasattr(sys, 'real_prefix'):
+ # virtualenv venvs
+ result = True
+ else:
+ # PEP 405 venvs
+ result = sys.prefix != getattr(sys, 'base_prefix', sys.prefix)
+ return result
+
+
+def get_executable():
+ # The __PYVENV_LAUNCHER__ dance is apparently no longer needed, as
+ # changes to the stub launcher mean that sys.executable always points
+ # to the stub on OS X
+ # if sys.platform == 'darwin' and ('__PYVENV_LAUNCHER__'
+ # in os.environ):
+ # result = os.environ['__PYVENV_LAUNCHER__']
+ # else:
+ # result = sys.executable
+ # return result
+ # Avoid normcasing: see issue #143
+ # result = os.path.normcase(sys.executable)
+ result = sys.executable
+ if not isinstance(result, text_type):
+ result = fsdecode(result)
+ return result
+
+
+def proceed(prompt, allowed_chars, error_prompt=None, default=None):
+ p = prompt
+ while True:
+ s = raw_input(p)
+ p = prompt
+ if not s and default:
+ s = default
+ if s:
+ c = s[0].lower()
+ if c in allowed_chars:
+ break
+ if error_prompt:
+ p = '%c: %s\n%s' % (c, error_prompt, prompt)
+ return c
+
+
+def extract_by_key(d, keys):
+ if isinstance(keys, string_types):
+ keys = keys.split()
+ result = {}
+ for key in keys:
+ if key in d:
+ result[key] = d[key]
+ return result
+
+
+def read_exports(stream):
+ if sys.version_info[0] >= 3:
+ # needs to be a text stream
+ stream = codecs.getreader('utf-8')(stream)
+ # Try to load as JSON, falling back on legacy format
+ data = stream.read()
+ stream = StringIO(data)
+ try:
+ jdata = json.load(stream)
+ result = jdata['extensions']['python.exports']['exports']
+ for group, entries in result.items():
+ for k, v in entries.items():
+ s = '%s = %s' % (k, v)
+ entry = get_export_entry(s)
+ assert entry is not None
+ entries[k] = entry
+ return result
+ except Exception:
+ stream.seek(0, 0)
+
+ def read_stream(cp, stream):
+ if hasattr(cp, 'read_file'):
+ cp.read_file(stream)
+ else:
+ cp.readfp(stream)
+
+ cp = configparser.ConfigParser()
+ try:
+ read_stream(cp, stream)
+ except configparser.MissingSectionHeaderError:
+ stream.close()
+ data = textwrap.dedent(data)
+ stream = StringIO(data)
+ read_stream(cp, stream)
+
+ result = {}
+ for key in cp.sections():
+ result[key] = entries = {}
+ for name, value in cp.items(key):
+ s = '%s = %s' % (name, value)
+ entry = get_export_entry(s)
+ assert entry is not None
+ # entry.dist = self
+ entries[name] = entry
+ return result
+
+
+def write_exports(exports, stream):
+ if sys.version_info[0] >= 3:
+ # needs to be a text stream
+ stream = codecs.getwriter('utf-8')(stream)
+ cp = configparser.ConfigParser()
+ for k, v in exports.items():
+ # TODO check k, v for valid values
+ cp.add_section(k)
+ for entry in v.values():
+ if entry.suffix is None:
+ s = entry.prefix
+ else:
+ s = '%s:%s' % (entry.prefix, entry.suffix)
+ if entry.flags:
+ s = '%s [%s]' % (s, ', '.join(entry.flags))
+ cp.set(k, entry.name, s)
+ cp.write(stream)
+
+
+@contextlib.contextmanager
+def tempdir():
+ td = tempfile.mkdtemp()
+ try:
+ yield td
+ finally:
+ shutil.rmtree(td)
+
+
+@contextlib.contextmanager
+def chdir(d):
+ cwd = os.getcwd()
+ try:
+ os.chdir(d)
+ yield
+ finally:
+ os.chdir(cwd)
+
+
+@contextlib.contextmanager
+def socket_timeout(seconds=15):
+ cto = socket.getdefaulttimeout()
+ try:
+ socket.setdefaulttimeout(seconds)
+ yield
+ finally:
+ socket.setdefaulttimeout(cto)
+
+
+class cached_property(object):
+
+ def __init__(self, func):
+ self.func = func
+ # for attr in ('__name__', '__module__', '__doc__'):
+ # setattr(self, attr, getattr(func, attr, None))
+
+ def __get__(self, obj, cls=None):
+ if obj is None:
+ return self
+ value = self.func(obj)
+ object.__setattr__(obj, self.func.__name__, value)
+ # obj.__dict__[self.func.__name__] = value = self.func(obj)
+ return value
+
+
+def convert_path(pathname):
+ """Return 'pathname' as a name that will work on the native filesystem.
+
+ The path is split on '/' and put back together again using the current
+ directory separator. Needed because filenames in the setup script are
+ always supplied in Unix style, and have to be converted to the local
+ convention before we can actually use them in the filesystem. Raises
+ ValueError on non-Unix-ish systems if 'pathname' either starts or
+ ends with a slash.
+ """
+ if os.sep == '/':
+ return pathname
+ if not pathname:
+ return pathname
+ if pathname[0] == '/':
+ raise ValueError("path '%s' cannot be absolute" % pathname)
+ if pathname[-1] == '/':
+ raise ValueError("path '%s' cannot end with '/'" % pathname)
+
+ paths = pathname.split('/')
+ while os.curdir in paths:
+ paths.remove(os.curdir)
+ if not paths:
+ return os.curdir
+ return os.path.join(*paths)
+
+
+class FileOperator(object):
+
+ def __init__(self, dry_run=False):
+ self.dry_run = dry_run
+ self.ensured = set()
+ self._init_record()
+
+ def _init_record(self):
+ self.record = False
+ self.files_written = set()
+ self.dirs_created = set()
+
+ def record_as_written(self, path):
+ if self.record:
+ self.files_written.add(path)
+
+ def newer(self, source, target):
+ """Tell if the target is newer than the source.
+
+ Returns true if 'source' exists and is more recently modified than
+ 'target', or if 'source' exists and 'target' doesn't.
+
+ Returns false if both exist and 'target' is the same age or younger
+ than 'source'. Raise PackagingFileError if 'source' does not exist.
+
+ Note that this test is not very accurate: files created in the same
+ second will have the same "age".
+ """
+ if not os.path.exists(source):
+ raise DistlibException("file '%r' does not exist" % os.path.abspath(source))
+ if not os.path.exists(target):
+ return True
+
+ return os.stat(source).st_mtime > os.stat(target).st_mtime
+
+ def copy_file(self, infile, outfile, check=True):
+ """Copy a file respecting dry-run and force flags.
+ """
+ self.ensure_dir(os.path.dirname(outfile))
+ logger.info('Copying %s to %s', infile, outfile)
+ if not self.dry_run:
+ msg = None
+ if check:
+ if os.path.islink(outfile):
+ msg = '%s is a symlink' % outfile
+ elif os.path.exists(outfile) and not os.path.isfile(outfile):
+ msg = '%s is a non-regular file' % outfile
+ if msg:
+ raise ValueError(msg + ' which would be overwritten')
+ shutil.copyfile(infile, outfile)
+ self.record_as_written(outfile)
+
+ def copy_stream(self, instream, outfile, encoding=None):
+ assert not os.path.isdir(outfile)
+ self.ensure_dir(os.path.dirname(outfile))
+ logger.info('Copying stream %s to %s', instream, outfile)
+ if not self.dry_run:
+ if encoding is None:
+ outstream = open(outfile, 'wb')
+ else:
+ outstream = codecs.open(outfile, 'w', encoding=encoding)
+ try:
+ shutil.copyfileobj(instream, outstream)
+ finally:
+ outstream.close()
+ self.record_as_written(outfile)
+
+ def write_binary_file(self, path, data):
+ self.ensure_dir(os.path.dirname(path))
+ if not self.dry_run:
+ if os.path.exists(path):
+ os.remove(path)
+ with open(path, 'wb') as f:
+ f.write(data)
+ self.record_as_written(path)
+
+ def write_text_file(self, path, data, encoding):
+ self.write_binary_file(path, data.encode(encoding))
+
+ def set_mode(self, bits, mask, files):
+ if os.name == 'posix' or (os.name == 'java' and os._name == 'posix'):
+ # Set the executable bits (owner, group, and world) on
+ # all the files specified.
+ for f in files:
+ if self.dry_run:
+ logger.info("changing mode of %s", f)
+ else:
+ mode = (os.stat(f).st_mode | bits) & mask
+ logger.info("changing mode of %s to %o", f, mode)
+ os.chmod(f, mode)
+
+ set_executable_mode = lambda s, f: s.set_mode(0o555, 0o7777, f)
+
+ def ensure_dir(self, path):
+ path = os.path.abspath(path)
+ if path not in self.ensured and not os.path.exists(path):
+ self.ensured.add(path)
+ d, f = os.path.split(path)
+ self.ensure_dir(d)
+ logger.info('Creating %s' % path)
+ if not self.dry_run:
+ os.mkdir(path)
+ if self.record:
+ self.dirs_created.add(path)
+
+ def byte_compile(self, path, optimize=False, force=False, prefix=None, hashed_invalidation=False):
+ dpath = cache_from_source(path, not optimize)
+ logger.info('Byte-compiling %s to %s', path, dpath)
+ if not self.dry_run:
+ if force or self.newer(path, dpath):
+ if not prefix:
+ diagpath = None
+ else:
+ assert path.startswith(prefix)
+ diagpath = path[len(prefix):]
+ compile_kwargs = {}
+ if hashed_invalidation and hasattr(py_compile, 'PycInvalidationMode'):
+ if not isinstance(hashed_invalidation, py_compile.PycInvalidationMode):
+ hashed_invalidation = py_compile.PycInvalidationMode.CHECKED_HASH
+ compile_kwargs['invalidation_mode'] = hashed_invalidation
+ py_compile.compile(path, dpath, diagpath, True, **compile_kwargs) # raise error
+ self.record_as_written(dpath)
+ return dpath
+
+ def ensure_removed(self, path):
+ if os.path.exists(path):
+ if os.path.isdir(path) and not os.path.islink(path):
+ logger.debug('Removing directory tree at %s', path)
+ if not self.dry_run:
+ shutil.rmtree(path)
+ if self.record:
+ if path in self.dirs_created:
+ self.dirs_created.remove(path)
+ else:
+ if os.path.islink(path):
+ s = 'link'
+ else:
+ s = 'file'
+ logger.debug('Removing %s %s', s, path)
+ if not self.dry_run:
+ os.remove(path)
+ if self.record:
+ if path in self.files_written:
+ self.files_written.remove(path)
+
+ def is_writable(self, path):
+ result = False
+ while not result:
+ if os.path.exists(path):
+ result = os.access(path, os.W_OK)
+ break
+ parent = os.path.dirname(path)
+ if parent == path:
+ break
+ path = parent
+ return result
+
+ def commit(self):
+ """
+ Commit recorded changes, turn off recording, return
+ changes.
+ """
+ assert self.record
+ result = self.files_written, self.dirs_created
+ self._init_record()
+ return result
+
+ def rollback(self):
+ if not self.dry_run:
+ for f in list(self.files_written):
+ if os.path.exists(f):
+ os.remove(f)
+ # dirs should all be empty now, except perhaps for
+ # __pycache__ subdirs
+ # reverse so that subdirs appear before their parents
+ dirs = sorted(self.dirs_created, reverse=True)
+ for d in dirs:
+ flist = os.listdir(d)
+ if flist:
+ assert flist == ['__pycache__']
+ sd = os.path.join(d, flist[0])
+ os.rmdir(sd)
+ os.rmdir(d) # should fail if non-empty
+ self._init_record()
+
+
+def resolve(module_name, dotted_path):
+ if module_name in sys.modules:
+ mod = sys.modules[module_name]
+ else:
+ mod = __import__(module_name)
+ if dotted_path is None:
+ result = mod
+ else:
+ parts = dotted_path.split('.')
+ result = getattr(mod, parts.pop(0))
+ for p in parts:
+ result = getattr(result, p)
+ return result
+
+
+class ExportEntry(object):
+
+ def __init__(self, name, prefix, suffix, flags):
+ self.name = name
+ self.prefix = prefix
+ self.suffix = suffix
+ self.flags = flags
+
+ @cached_property
+ def value(self):
+ return resolve(self.prefix, self.suffix)
+
+ def __repr__(self): # pragma: no cover
+ return '<ExportEntry %s = %s:%s %s>' % (self.name, self.prefix, self.suffix, self.flags)
+
+ def __eq__(self, other):
+ if not isinstance(other, ExportEntry):
+ result = False
+ else:
+ result = (self.name == other.name and self.prefix == other.prefix and self.suffix == other.suffix and
+ self.flags == other.flags)
+ return result
+
+ __hash__ = object.__hash__
+
+
+ENTRY_RE = re.compile(
+ r'''(?P<name>([^\[]\S*))
+ \s*=\s*(?P<callable>(\w+)([:\.]\w+)*)
+ \s*(\[\s*(?P<flags>[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])?
+ ''', re.VERBOSE)
+
+
+def get_export_entry(specification):
+ m = ENTRY_RE.search(specification)
+ if not m:
+ result = None
+ if '[' in specification or ']' in specification:
+ raise DistlibException("Invalid specification "
+ "'%s'" % specification)
+ else:
+ d = m.groupdict()
+ name = d['name']
+ path = d['callable']
+ colons = path.count(':')
+ if colons == 0:
+ prefix, suffix = path, None
+ else:
+ if colons != 1:
+ raise DistlibException("Invalid specification "
+ "'%s'" % specification)
+ prefix, suffix = path.split(':')
+ flags = d['flags']
+ if flags is None:
+ if '[' in specification or ']' in specification:
+ raise DistlibException("Invalid specification "
+ "'%s'" % specification)
+ flags = []
+ else:
+ flags = [f.strip() for f in flags.split(',')]
+ result = ExportEntry(name, prefix, suffix, flags)
+ return result
+
+
+def get_cache_base(suffix=None):
+ """
+ Return the default base location for distlib caches. If the directory does
+ not exist, it is created. Use the suffix provided for the base directory,
+ and default to '.distlib' if it isn't provided.
+
+ On Windows, if LOCALAPPDATA is defined in the environment, then it is
+ assumed to be a directory, and will be the parent directory of the result.
+ On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home
+ directory - using os.expanduser('~') - will be the parent directory of
+ the result.
+
+ The result is just the directory '.distlib' in the parent directory as
+ determined above, or with the name specified with ``suffix``.
+ """
+ if suffix is None:
+ suffix = '.distlib'
+ if os.name == 'nt' and 'LOCALAPPDATA' in os.environ:
+ result = os.path.expandvars('$localappdata')
+ else:
+ # Assume posix, or old Windows
+ result = os.path.expanduser('~')
+ # we use 'isdir' instead of 'exists', because we want to
+ # fail if there's a file with that name
+ if os.path.isdir(result):
+ usable = os.access(result, os.W_OK)
+ if not usable:
+ logger.warning('Directory exists but is not writable: %s', result)
+ else:
+ try:
+ os.makedirs(result)
+ usable = True
+ except OSError:
+ logger.warning('Unable to create %s', result, exc_info=True)
+ usable = False
+ if not usable:
+ result = tempfile.mkdtemp()
+ logger.warning('Default location unusable, using %s', result)
+ return os.path.join(result, suffix)
+
+
+def path_to_cache_dir(path, use_abspath=True):
+ """
+ Convert an absolute path to a directory name for use in a cache.
+
+ The algorithm used is:
+
+ #. On Windows, any ``':'`` in the drive is replaced with ``'---'``.
+ #. Any occurrence of ``os.sep`` is replaced with ``'--'``.
+ #. ``'.cache'`` is appended.
+ """
+ d, p = os.path.splitdrive(os.path.abspath(path) if use_abspath else path)
+ if d:
+ d = d.replace(':', '---')
+ p = p.replace(os.sep, '--')
+ return d + p + '.cache'
+
+
+def ensure_slash(s):
+ if not s.endswith('/'):
+ return s + '/'
+ return s
+
+
+def parse_credentials(netloc):
+ username = password = None
+ if '@' in netloc:
+ prefix, netloc = netloc.rsplit('@', 1)
+ if ':' not in prefix:
+ username = prefix
+ else:
+ username, password = prefix.split(':', 1)
+ if username:
+ username = unquote(username)
+ if password:
+ password = unquote(password)
+ return username, password, netloc
+
+
+def get_process_umask():
+ result = os.umask(0o22)
+ os.umask(result)
+ return result
+
+
+def is_string_sequence(seq):
+ result = True
+ i = None
+ for i, s in enumerate(seq):
+ if not isinstance(s, string_types):
+ result = False
+ break
+ assert i is not None
+ return result
+
+
+PROJECT_NAME_AND_VERSION = re.compile('([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-'
+ '([a-z0-9_.+-]+)', re.I)
+PYTHON_VERSION = re.compile(r'-py(\d\.?\d?)')
+
+
+def split_filename(filename, project_name=None):
+ """
+ Extract name, version, python version from a filename (no extension)
+
+ Return name, version, pyver or None
+ """
+ result = None
+ pyver = None
+ filename = unquote(filename).replace(' ', '-')
+ m = PYTHON_VERSION.search(filename)
+ if m:
+ pyver = m.group(1)
+ filename = filename[:m.start()]
+ if project_name and len(filename) > len(project_name) + 1:
+ m = re.match(re.escape(project_name) + r'\b', filename)
+ if m:
+ n = m.end()
+ result = filename[:n], filename[n + 1:], pyver
+ if result is None:
+ m = PROJECT_NAME_AND_VERSION.match(filename)
+ if m:
+ result = m.group(1), m.group(3), pyver
+ return result
+
+
+# Allow spaces in name because of legacy dists like "Twisted Core"
+NAME_VERSION_RE = re.compile(r'(?P<name>[\w .-]+)\s*'
+ r'\(\s*(?P<ver>[^\s)]+)\)$')
+
+
+def parse_name_and_version(p):
+ """
+ A utility method used to get name and version from a string.
+
+ From e.g. a Provides-Dist value.
+
+ :param p: A value in a form 'foo (1.0)'
+ :return: The name and version as a tuple.
+ """
+ m = NAME_VERSION_RE.match(p)
+ if not m:
+ raise DistlibException('Ill-formed name/version string: \'%s\'' % p)
+ d = m.groupdict()
+ return d['name'].strip().lower(), d['ver']
+
+
+def get_extras(requested, available):
+ result = set()
+ requested = set(requested or [])
+ available = set(available or [])
+ if '*' in requested:
+ requested.remove('*')
+ result |= available
+ for r in requested:
+ if r == '-':
+ result.add(r)
+ elif r.startswith('-'):
+ unwanted = r[1:]
+ if unwanted not in available:
+ logger.warning('undeclared extra: %s' % unwanted)
+ if unwanted in result:
+ result.remove(unwanted)
+ else:
+ if r not in available:
+ logger.warning('undeclared extra: %s' % r)
+ result.add(r)
+ return result
+
+
+#
+# Extended metadata functionality
+#
+
+
+def _get_external_data(url):
+ result = {}
+ try:
+ # urlopen might fail if it runs into redirections,
+ # because of Python issue #13696. Fixed in locators
+ # using a custom redirect handler.
+ resp = urlopen(url)
+ headers = resp.info()
+ ct = headers.get('Content-Type')
+ if not ct.startswith('application/json'):
+ logger.debug('Unexpected response for JSON request: %s', ct)
+ else:
+ reader = codecs.getreader('utf-8')(resp)
+ # data = reader.read().decode('utf-8')
+ # result = json.loads(data)
+ result = json.load(reader)
+ except Exception as e:
+ logger.exception('Failed to get external data for %s: %s', url, e)
+ return result
+
+
+_external_data_base_url = 'https://www.red-dove.com/pypi/projects/'
+
+
+def get_project_data(name):
+ url = '%s/%s/project.json' % (name[0].upper(), name)
+ url = urljoin(_external_data_base_url, url)
+ result = _get_external_data(url)
+ return result
+
+
+def get_package_data(name, version):
+ url = '%s/%s/package-%s.json' % (name[0].upper(), name, version)
+ url = urljoin(_external_data_base_url, url)
+ return _get_external_data(url)
+
+
+class Cache(object):
+ """
+ A class implementing a cache for resources that need to live in the file system
+ e.g. shared libraries. This class was moved from resources to here because it
+ could be used by other modules, e.g. the wheel module.
+ """
+
+ def __init__(self, base):
+ """
+ Initialise an instance.
+
+ :param base: The base directory where the cache should be located.
+ """
+ # we use 'isdir' instead of 'exists', because we want to
+ # fail if there's a file with that name
+ if not os.path.isdir(base): # pragma: no cover
+ os.makedirs(base)
+ if (os.stat(base).st_mode & 0o77) != 0:
+ logger.warning('Directory \'%s\' is not private', base)
+ self.base = os.path.abspath(os.path.normpath(base))
+
+ def prefix_to_dir(self, prefix, use_abspath=True):
+ """
+ Converts a resource prefix to a directory name in the cache.
+ """
+ return path_to_cache_dir(prefix, use_abspath=use_abspath)
+
+ def clear(self):
+ """
+ Clear the cache.
+ """
+ not_removed = []
+ for fn in os.listdir(self.base):
+ fn = os.path.join(self.base, fn)
+ try:
+ if os.path.islink(fn) or os.path.isfile(fn):
+ os.remove(fn)
+ elif os.path.isdir(fn):
+ shutil.rmtree(fn)
+ except Exception:
+ not_removed.append(fn)
+ return not_removed
+
+
+class EventMixin(object):
+ """
+ A very simple publish/subscribe system.
+ """
+
+ def __init__(self):
+ self._subscribers = {}
+
+ def add(self, event, subscriber, append=True):
+ """
+ Add a subscriber for an event.
+
+ :param event: The name of an event.
+ :param subscriber: The subscriber to be added (and called when the
+ event is published).
+ :param append: Whether to append or prepend the subscriber to an
+ existing subscriber list for the event.
+ """
+ subs = self._subscribers
+ if event not in subs:
+ subs[event] = deque([subscriber])
+ else:
+ sq = subs[event]
+ if append:
+ sq.append(subscriber)
+ else:
+ sq.appendleft(subscriber)
+
+ def remove(self, event, subscriber):
+ """
+ Remove a subscriber for an event.
+
+ :param event: The name of an event.
+ :param subscriber: The subscriber to be removed.
+ """
+ subs = self._subscribers
+ if event not in subs:
+ raise ValueError('No subscribers: %r' % event)
+ subs[event].remove(subscriber)
+
+ def get_subscribers(self, event):
+ """
+ Return an iterator for the subscribers for an event.
+ :param event: The event to return subscribers for.
+ """
+ return iter(self._subscribers.get(event, ()))
+
+ def publish(self, event, *args, **kwargs):
+ """
+ Publish a event and return a list of values returned by its
+ subscribers.
+
+ :param event: The event to publish.
+ :param args: The positional arguments to pass to the event's
+ subscribers.
+ :param kwargs: The keyword arguments to pass to the event's
+ subscribers.
+ """
+ result = []
+ for subscriber in self.get_subscribers(event):
+ try:
+ value = subscriber(event, *args, **kwargs)
+ except Exception:
+ logger.exception('Exception during event publication')
+ value = None
+ result.append(value)
+ logger.debug('publish %s: args = %s, kwargs = %s, result = %s', event, args, kwargs, result)
+ return result
+
+
+#
+# Simple sequencing
+#
+class Sequencer(object):
+
+ def __init__(self):
+ self._preds = {}
+ self._succs = {}
+ self._nodes = set() # nodes with no preds/succs
+
+ def add_node(self, node):
+ self._nodes.add(node)
+
+ def remove_node(self, node, edges=False):
+ if node in self._nodes:
+ self._nodes.remove(node)
+ if edges:
+ for p in set(self._preds.get(node, ())):
+ self.remove(p, node)
+ for s in set(self._succs.get(node, ())):
+ self.remove(node, s)
+ # Remove empties
+ for k, v in list(self._preds.items()):
+ if not v:
+ del self._preds[k]
+ for k, v in list(self._succs.items()):
+ if not v:
+ del self._succs[k]
+
+ def add(self, pred, succ):
+ assert pred != succ
+ self._preds.setdefault(succ, set()).add(pred)
+ self._succs.setdefault(pred, set()).add(succ)
+
+ def remove(self, pred, succ):
+ assert pred != succ
+ try:
+ preds = self._preds[succ]
+ succs = self._succs[pred]
+ except KeyError: # pragma: no cover
+ raise ValueError('%r not a successor of anything' % succ)
+ try:
+ preds.remove(pred)
+ succs.remove(succ)
+ except KeyError: # pragma: no cover
+ raise ValueError('%r not a successor of %r' % (succ, pred))
+
+ def is_step(self, step):
+ return (step in self._preds or step in self._succs or step in self._nodes)
+
+ def get_steps(self, final):
+ if not self.is_step(final):
+ raise ValueError('Unknown: %r' % final)
+ result = []
+ todo = []
+ seen = set()
+ todo.append(final)
+ while todo:
+ step = todo.pop(0)
+ if step in seen:
+ # if a step was already seen,
+ # move it to the end (so it will appear earlier
+ # when reversed on return) ... but not for the
+ # final step, as that would be confusing for
+ # users
+ if step != final:
+ result.remove(step)
+ result.append(step)
+ else:
+ seen.add(step)
+ result.append(step)
+ preds = self._preds.get(step, ())
+ todo.extend(preds)
+ return reversed(result)
+
+ @property
+ def strong_connections(self):
+ # http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm
+ index_counter = [0]
+ stack = []
+ lowlinks = {}
+ index = {}
+ result = []
+
+ graph = self._succs
+
+ def strongconnect(node):
+ # set the depth index for this node to the smallest unused index
+ index[node] = index_counter[0]
+ lowlinks[node] = index_counter[0]
+ index_counter[0] += 1
+ stack.append(node)
+
+ # Consider successors
+ try:
+ successors = graph[node]
+ except Exception:
+ successors = []
+ for successor in successors:
+ if successor not in lowlinks:
+ # Successor has not yet been visited
+ strongconnect(successor)
+ lowlinks[node] = min(lowlinks[node], lowlinks[successor])
+ elif successor in stack:
+ # the successor is in the stack and hence in the current
+ # strongly connected component (SCC)
+ lowlinks[node] = min(lowlinks[node], index[successor])
+
+ # If `node` is a root node, pop the stack and generate an SCC
+ if lowlinks[node] == index[node]:
+ connected_component = []
+
+ while True:
+ successor = stack.pop()
+ connected_component.append(successor)
+ if successor == node:
+ break
+ component = tuple(connected_component)
+ # storing the result
+ result.append(component)
+
+ for node in graph:
+ if node not in lowlinks:
+ strongconnect(node)
+
+ return result
+
+ @property
+ def dot(self):
+ result = ['digraph G {']
+ for succ in self._preds:
+ preds = self._preds[succ]
+ for pred in preds:
+ result.append(' %s -> %s;' % (pred, succ))
+ for node in self._nodes:
+ result.append(' %s;' % node)
+ result.append('}')
+ return '\n'.join(result)
+
+
+#
+# Unarchiving functionality for zip, tar, tgz, tbz, whl
+#
+
+ARCHIVE_EXTENSIONS = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz', '.whl')
+
+
+def unarchive(archive_filename, dest_dir, format=None, check=True):
+
+ def check_path(path):
+ if not isinstance(path, text_type):
+ path = path.decode('utf-8')
+ p = os.path.abspath(os.path.join(dest_dir, path))
+ if not p.startswith(dest_dir) or p[plen] != os.sep:
+ raise ValueError('path outside destination: %r' % p)
+
+ dest_dir = os.path.abspath(dest_dir)
+ plen = len(dest_dir)
+ archive = None
+ if format is None:
+ if archive_filename.endswith(('.zip', '.whl')):
+ format = 'zip'
+ elif archive_filename.endswith(('.tar.gz', '.tgz')):
+ format = 'tgz'
+ mode = 'r:gz'
+ elif archive_filename.endswith(('.tar.bz2', '.tbz')):
+ format = 'tbz'
+ mode = 'r:bz2'
+ elif archive_filename.endswith('.tar'):
+ format = 'tar'
+ mode = 'r'
+ else: # pragma: no cover
+ raise ValueError('Unknown format for %r' % archive_filename)
+ try:
+ if format == 'zip':
+ archive = ZipFile(archive_filename, 'r')
+ if check:
+ names = archive.namelist()
+ for name in names:
+ check_path(name)
+ else:
+ archive = tarfile.open(archive_filename, mode)
+ if check:
+ names = archive.getnames()
+ for name in names:
+ check_path(name)
+ if format != 'zip' and sys.version_info[0] < 3:
+ # See Python issue 17153. If the dest path contains Unicode,
+ # tarfile extraction fails on Python 2.x if a member path name
+ # contains non-ASCII characters - it leads to an implicit
+ # bytes -> unicode conversion using ASCII to decode.
+ for tarinfo in archive.getmembers():
+ if not isinstance(tarinfo.name, text_type):
+ tarinfo.name = tarinfo.name.decode('utf-8')
+
+ # Limit extraction of dangerous items, if this Python
+ # allows it easily. If not, just trust the input.
+ # See: https://docs.python.org/3/library/tarfile.html#extraction-filters
+ def extraction_filter(member, path):
+ """Run tarfile.tar_filter, but raise the expected ValueError"""
+ # This is only called if the current Python has tarfile filters
+ try:
+ return tarfile.tar_filter(member, path)
+ except tarfile.FilterError as exc:
+ raise ValueError(str(exc))
+
+ archive.extraction_filter = extraction_filter
+
+ archive.extractall(dest_dir)
+
+ finally:
+ if archive:
+ archive.close()
+
+
+def zip_dir(directory):
+ """zip a directory tree into a BytesIO object"""
+ result = io.BytesIO()
+ dlen = len(directory)
+ with ZipFile(result, "w") as zf:
+ for root, dirs, files in os.walk(directory):
+ for name in files:
+ full = os.path.join(root, name)
+ rel = root[dlen:]
+ dest = os.path.join(rel, name)
+ zf.write(full, dest)
+ return result
+
+
+#
+# Simple progress bar
+#
+
+UNITS = ('', 'K', 'M', 'G', 'T', 'P')
+
+
+class Progress(object):
+ unknown = 'UNKNOWN'
+
+ def __init__(self, minval=0, maxval=100):
+ assert maxval is None or maxval >= minval
+ self.min = self.cur = minval
+ self.max = maxval
+ self.started = None
+ self.elapsed = 0
+ self.done = False
+
+ def update(self, curval):
+ assert self.min <= curval
+ assert self.max is None or curval <= self.max
+ self.cur = curval
+ now = time.time()
+ if self.started is None:
+ self.started = now
+ else:
+ self.elapsed = now - self.started
+
+ def increment(self, incr):
+ assert incr >= 0
+ self.update(self.cur + incr)
+
+ def start(self):
+ self.update(self.min)
+ return self
+
+ def stop(self):
+ if self.max is not None:
+ self.update(self.max)
+ self.done = True
+
+ @property
+ def maximum(self):
+ return self.unknown if self.max is None else self.max
+
+ @property
+ def percentage(self):
+ if self.done:
+ result = '100 %'
+ elif self.max is None:
+ result = ' ?? %'
+ else:
+ v = 100.0 * (self.cur - self.min) / (self.max - self.min)
+ result = '%3d %%' % v
+ return result
+
+ def format_duration(self, duration):
+ if (duration <= 0) and self.max is None or self.cur == self.min:
+ result = '??:??:??'
+ # elif duration < 1:
+ # result = '--:--:--'
+ else:
+ result = time.strftime('%H:%M:%S', time.gmtime(duration))
+ return result
+
+ @property
+ def ETA(self):
+ if self.done:
+ prefix = 'Done'
+ t = self.elapsed
+ # import pdb; pdb.set_trace()
+ else:
+ prefix = 'ETA '
+ if self.max is None:
+ t = -1
+ elif self.elapsed == 0 or (self.cur == self.min):
+ t = 0
+ else:
+ # import pdb; pdb.set_trace()
+ t = float(self.max - self.min)
+ t /= self.cur - self.min
+ t = (t - 1) * self.elapsed
+ return '%s: %s' % (prefix, self.format_duration(t))
+
+ @property
+ def speed(self):
+ if self.elapsed == 0:
+ result = 0.0
+ else:
+ result = (self.cur - self.min) / self.elapsed
+ for unit in UNITS:
+ if result < 1000:
+ break
+ result /= 1000.0
+ return '%d %sB/s' % (result, unit)
+
+
+#
+# Glob functionality
+#
+
+RICH_GLOB = re.compile(r'\{([^}]*)\}')
+_CHECK_RECURSIVE_GLOB = re.compile(r'[^/\\,{]\*\*|\*\*[^/\\,}]')
+_CHECK_MISMATCH_SET = re.compile(r'^[^{]*\}|\{[^}]*$')
+
+
+def iglob(path_glob):
+ """Extended globbing function that supports ** and {opt1,opt2,opt3}."""
+ if _CHECK_RECURSIVE_GLOB.search(path_glob):
+ msg = """invalid glob %r: recursive glob "**" must be used alone"""
+ raise ValueError(msg % path_glob)
+ if _CHECK_MISMATCH_SET.search(path_glob):
+ msg = """invalid glob %r: mismatching set marker '{' or '}'"""
+ raise ValueError(msg % path_glob)
+ return _iglob(path_glob)
+
+
+def _iglob(path_glob):
+ rich_path_glob = RICH_GLOB.split(path_glob, 1)
+ if len(rich_path_glob) > 1:
+ assert len(rich_path_glob) == 3, rich_path_glob
+ prefix, set, suffix = rich_path_glob
+ for item in set.split(','):
+ for path in _iglob(''.join((prefix, item, suffix))):
+ yield path
+ else:
+ if '**' not in path_glob:
+ for item in std_iglob(path_glob):
+ yield item
+ else:
+ prefix, radical = path_glob.split('**', 1)
+ if prefix == '':
+ prefix = '.'
+ if radical == '':
+ radical = '*'
+ else:
+ # we support both
+ radical = radical.lstrip('/')
+ radical = radical.lstrip('\\')
+ for path, dir, files in os.walk(prefix):
+ path = os.path.normpath(path)
+ for fn in _iglob(os.path.join(path, radical)):
+ yield fn
+
+
+if ssl:
+ from .compat import (HTTPSHandler as BaseHTTPSHandler, match_hostname, CertificateError)
+
+ #
+ # HTTPSConnection which verifies certificates/matches domains
+ #
+
+ class HTTPSConnection(httplib.HTTPSConnection):
+ ca_certs = None # set this to the path to the certs file (.pem)
+ check_domain = True # only used if ca_certs is not None
+
+ # noinspection PyPropertyAccess
+ def connect(self):
+ sock = socket.create_connection((self.host, self.port), self.timeout)
+ if getattr(self, '_tunnel_host', False):
+ self.sock = sock
+ self._tunnel()
+
+ context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+ if hasattr(ssl, 'OP_NO_SSLv2'):
+ context.options |= ssl.OP_NO_SSLv2
+ if getattr(self, 'cert_file', None):
+ context.load_cert_chain(self.cert_file, self.key_file)
+ kwargs = {}
+ if self.ca_certs:
+ context.verify_mode = ssl.CERT_REQUIRED
+ context.load_verify_locations(cafile=self.ca_certs)
+ if getattr(ssl, 'HAS_SNI', False):
+ kwargs['server_hostname'] = self.host
+
+ self.sock = context.wrap_socket(sock, **kwargs)
+ if self.ca_certs and self.check_domain:
+ try:
+ match_hostname(self.sock.getpeercert(), self.host)
+ logger.debug('Host verified: %s', self.host)
+ except CertificateError: # pragma: no cover
+ self.sock.shutdown(socket.SHUT_RDWR)
+ self.sock.close()
+ raise
+
+ class HTTPSHandler(BaseHTTPSHandler):
+
+ def __init__(self, ca_certs, check_domain=True):
+ BaseHTTPSHandler.__init__(self)
+ self.ca_certs = ca_certs
+ self.check_domain = check_domain
+
+ def _conn_maker(self, *args, **kwargs):
+ """
+ This is called to create a connection instance. Normally you'd
+ pass a connection class to do_open, but it doesn't actually check for
+ a class, and just expects a callable. As long as we behave just as a
+ constructor would have, we should be OK. If it ever changes so that
+ we *must* pass a class, we'll create an UnsafeHTTPSConnection class
+ which just sets check_domain to False in the class definition, and
+ choose which one to pass to do_open.
+ """
+ result = HTTPSConnection(*args, **kwargs)
+ if self.ca_certs:
+ result.ca_certs = self.ca_certs
+ result.check_domain = self.check_domain
+ return result
+
+ def https_open(self, req):
+ try:
+ return self.do_open(self._conn_maker, req)
+ except URLError as e:
+ if 'certificate verify failed' in str(e.reason):
+ raise CertificateError('Unable to verify server certificate '
+ 'for %s' % req.host)
+ else:
+ raise
+
+ #
+ # To prevent against mixing HTTP traffic with HTTPS (examples: A Man-In-The-
+ # Middle proxy using HTTP listens on port 443, or an index mistakenly serves
+ # HTML containing a http://xyz link when it should be https://xyz),
+ # you can use the following handler class, which does not allow HTTP traffic.
+ #
+ # It works by inheriting from HTTPHandler - so build_opener won't add a
+ # handler for HTTP itself.
+ #
+ class HTTPSOnlyHandler(HTTPSHandler, HTTPHandler):
+
+ def http_open(self, req):
+ raise URLError('Unexpected HTTP request on what should be a secure '
+ 'connection: %s' % req)
+
+
+#
+# XML-RPC with timeouts
+#
+class Transport(xmlrpclib.Transport):
+
+ def __init__(self, timeout, use_datetime=0):
+ self.timeout = timeout
+ xmlrpclib.Transport.__init__(self, use_datetime)
+
+ def make_connection(self, host):
+ h, eh, x509 = self.get_host_info(host)
+ if not self._connection or host != self._connection[0]:
+ self._extra_headers = eh
+ self._connection = host, httplib.HTTPConnection(h)
+ return self._connection[1]
+
+
+if ssl:
+
+ class SafeTransport(xmlrpclib.SafeTransport):
+
+ def __init__(self, timeout, use_datetime=0):
+ self.timeout = timeout
+ xmlrpclib.SafeTransport.__init__(self, use_datetime)
+
+ def make_connection(self, host):
+ h, eh, kwargs = self.get_host_info(host)
+ if not kwargs:
+ kwargs = {}
+ kwargs['timeout'] = self.timeout
+ if not self._connection or host != self._connection[0]:
+ self._extra_headers = eh
+ self._connection = host, httplib.HTTPSConnection(h, None, **kwargs)
+ return self._connection[1]
+
+
+class ServerProxy(xmlrpclib.ServerProxy):
+
+ def __init__(self, uri, **kwargs):
+ self.timeout = timeout = kwargs.pop('timeout', None)
+ # The above classes only come into play if a timeout
+ # is specified
+ if timeout is not None:
+ # scheme = splittype(uri) # deprecated as of Python 3.8
+ scheme = urlparse(uri)[0]
+ use_datetime = kwargs.get('use_datetime', 0)
+ if scheme == 'https':
+ tcls = SafeTransport
+ else:
+ tcls = Transport
+ kwargs['transport'] = t = tcls(timeout, use_datetime=use_datetime)
+ self.transport = t
+ xmlrpclib.ServerProxy.__init__(self, uri, **kwargs)
+
+
+#
+# CSV functionality. This is provided because on 2.x, the csv module can't
+# handle Unicode. However, we need to deal with Unicode in e.g. RECORD files.
+#
+
+
+def _csv_open(fn, mode, **kwargs):
+ if sys.version_info[0] < 3:
+ mode += 'b'
+ else:
+ kwargs['newline'] = ''
+ # Python 3 determines encoding from locale. Force 'utf-8'
+ # file encoding to match other forced utf-8 encoding
+ kwargs['encoding'] = 'utf-8'
+ return open(fn, mode, **kwargs)
+
+
+class CSVBase(object):
+ defaults = {
+ 'delimiter': str(','), # The strs are used because we need native
+ 'quotechar': str('"'), # str in the csv API (2.x won't take
+ 'lineterminator': str('\n') # Unicode)
+ }
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *exc_info):
+ self.stream.close()
+
+
+class CSVReader(CSVBase):
+
+ def __init__(self, **kwargs):
+ if 'stream' in kwargs:
+ stream = kwargs['stream']
+ if sys.version_info[0] >= 3:
+ # needs to be a text stream
+ stream = codecs.getreader('utf-8')(stream)
+ self.stream = stream
+ else:
+ self.stream = _csv_open(kwargs['path'], 'r')
+ self.reader = csv.reader(self.stream, **self.defaults)
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ result = next(self.reader)
+ if sys.version_info[0] < 3:
+ for i, item in enumerate(result):
+ if not isinstance(item, text_type):
+ result[i] = item.decode('utf-8')
+ return result
+
+ __next__ = next
+
+
+class CSVWriter(CSVBase):
+
+ def __init__(self, fn, **kwargs):
+ self.stream = _csv_open(fn, 'w')
+ self.writer = csv.writer(self.stream, **self.defaults)
+
+ def writerow(self, row):
+ if sys.version_info[0] < 3:
+ r = []
+ for item in row:
+ if isinstance(item, text_type):
+ item = item.encode('utf-8')
+ r.append(item)
+ row = r
+ self.writer.writerow(row)
+
+
+#
+# Configurator functionality
+#
+
+
+class Configurator(BaseConfigurator):
+
+ value_converters = dict(BaseConfigurator.value_converters)
+ value_converters['inc'] = 'inc_convert'
+
+ def __init__(self, config, base=None):
+ super(Configurator, self).__init__(config)
+ self.base = base or os.getcwd()
+
+ def configure_custom(self, config):
+
+ def convert(o):
+ if isinstance(o, (list, tuple)):
+ result = type(o)([convert(i) for i in o])
+ elif isinstance(o, dict):
+ if '()' in o:
+ result = self.configure_custom(o)
+ else:
+ result = {}
+ for k in o:
+ result[k] = convert(o[k])
+ else:
+ result = self.convert(o)
+ return result
+
+ c = config.pop('()')
+ if not callable(c):
+ c = self.resolve(c)
+ props = config.pop('.', None)
+ # Check for valid identifiers
+ args = config.pop('[]', ())
+ if args:
+ args = tuple([convert(o) for o in args])
+ items = [(k, convert(config[k])) for k in config if valid_ident(k)]
+ kwargs = dict(items)
+ result = c(*args, **kwargs)
+ if props:
+ for n, v in props.items():
+ setattr(result, n, convert(v))
+ return result
+
+ def __getitem__(self, key):
+ result = self.config[key]
+ if isinstance(result, dict) and '()' in result:
+ self.config[key] = result = self.configure_custom(result)
+ return result
+
+ def inc_convert(self, value):
+ """Default converter for the inc:// protocol."""
+ if not os.path.isabs(value):
+ value = os.path.join(self.base, value)
+ with codecs.open(value, 'r', encoding='utf-8') as f:
+ result = json.load(f)
+ return result
+
+
+class SubprocessMixin(object):
+ """
+ Mixin for running subprocesses and capturing their output
+ """
+
+ def __init__(self, verbose=False, progress=None):
+ self.verbose = verbose
+ self.progress = progress
+
+ def reader(self, stream, context):
+ """
+ Read lines from a subprocess' output stream and either pass to a progress
+ callable (if specified) or write progress information to sys.stderr.
+ """
+ progress = self.progress
+ verbose = self.verbose
+ while True:
+ s = stream.readline()
+ if not s:
+ break
+ if progress is not None:
+ progress(s, context)
+ else:
+ if not verbose:
+ sys.stderr.write('.')
+ else:
+ sys.stderr.write(s.decode('utf-8'))
+ sys.stderr.flush()
+ stream.close()
+
+ def run_command(self, cmd, **kwargs):
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs)
+ t1 = threading.Thread(target=self.reader, args=(p.stdout, 'stdout'))
+ t1.start()
+ t2 = threading.Thread(target=self.reader, args=(p.stderr, 'stderr'))
+ t2.start()
+ p.wait()
+ t1.join()
+ t2.join()
+ if self.progress is not None:
+ self.progress('done.', 'main')
+ elif self.verbose:
+ sys.stderr.write('done.\n')
+ return p
+
+
+def normalize_name(name):
+ """Normalize a python package name a la PEP 503"""
+ # https://www.python.org/dev/peps/pep-0503/#normalized-names
+ return re.sub('[-_.]+', '-', name).lower()
+
+
+# def _get_pypirc_command():
+# """
+# Get the distutils command for interacting with PyPI configurations.
+# :return: the command.
+# """
+# from distutils.core import Distribution
+# from distutils.config import PyPIRCCommand
+# d = Distribution()
+# return PyPIRCCommand(d)
+
+
+class PyPIRCFile(object):
+
+ DEFAULT_REPOSITORY = 'https://upload.pypi.org/legacy/'
+ DEFAULT_REALM = 'pypi'
+
+ def __init__(self, fn=None, url=None):
+ if fn is None:
+ fn = os.path.join(os.path.expanduser('~'), '.pypirc')
+ self.filename = fn
+ self.url = url
+
+ def read(self):
+ result = {}
+
+ if os.path.exists(self.filename):
+ repository = self.url or self.DEFAULT_REPOSITORY
+
+ config = configparser.RawConfigParser()
+ config.read(self.filename)
+ sections = config.sections()
+ if 'distutils' in sections:
+ # let's get the list of servers
+ index_servers = config.get('distutils', 'index-servers')
+ _servers = [server.strip() for server in index_servers.split('\n') if server.strip() != '']
+ if _servers == []:
+ # nothing set, let's try to get the default pypi
+ if 'pypi' in sections:
+ _servers = ['pypi']
+ else:
+ for server in _servers:
+ result = {'server': server}
+ result['username'] = config.get(server, 'username')
+
+ # optional params
+ for key, default in (('repository', self.DEFAULT_REPOSITORY), ('realm', self.DEFAULT_REALM),
+ ('password', None)):
+ if config.has_option(server, key):
+ result[key] = config.get(server, key)
+ else:
+ result[key] = default
+
+ # work around people having "repository" for the "pypi"
+ # section of their config set to the HTTP (rather than
+ # HTTPS) URL
+ if (server == 'pypi' and repository in (self.DEFAULT_REPOSITORY, 'pypi')):
+ result['repository'] = self.DEFAULT_REPOSITORY
+ elif (result['server'] != repository and result['repository'] != repository):
+ result = {}
+ elif 'server-login' in sections:
+ # old format
+ server = 'server-login'
+ if config.has_option(server, 'repository'):
+ repository = config.get(server, 'repository')
+ else:
+ repository = self.DEFAULT_REPOSITORY
+ result = {
+ 'username': config.get(server, 'username'),
+ 'password': config.get(server, 'password'),
+ 'repository': repository,
+ 'server': server,
+ 'realm': self.DEFAULT_REALM
+ }
+ return result
+
+ def update(self, username, password):
+ # import pdb; pdb.set_trace()
+ config = configparser.RawConfigParser()
+ fn = self.filename
+ config.read(fn)
+ if not config.has_section('pypi'):
+ config.add_section('pypi')
+ config.set('pypi', 'username', username)
+ config.set('pypi', 'password', password)
+ with open(fn, 'w') as f:
+ config.write(f)
+
+
+def _load_pypirc(index):
+ """
+ Read the PyPI access configuration as supported by distutils.
+ """
+ return PyPIRCFile(url=index.url).read()
+
+
+def _store_pypirc(index):
+ PyPIRCFile().update(index.username, index.password)
+
+
+#
+# get_platform()/get_host_platform() copied from Python 3.10.a0 source, with some minor
+# tweaks
+#
+
+
+def get_host_platform():
+ """Return a string that identifies the current platform. This is used mainly to
+ distinguish platform-specific build directories and platform-specific built
+ distributions. Typically includes the OS name and version and the
+ architecture (as supplied by 'os.uname()'), although the exact information
+ included depends on the OS; eg. on Linux, the kernel version isn't
+ particularly important.
+
+ Examples of returned values:
+ linux-i586
+ linux-alpha (?)
+ solaris-2.6-sun4u
+
+ Windows will return one of:
+ win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc)
+ win32 (all others - specifically, sys.platform is returned)
+
+ For other non-POSIX platforms, currently just returns 'sys.platform'.
+
+ """
+ if os.name == 'nt':
+ if 'amd64' in sys.version.lower():
+ return 'win-amd64'
+ if '(arm)' in sys.version.lower():
+ return 'win-arm32'
+ if '(arm64)' in sys.version.lower():
+ return 'win-arm64'
+ return sys.platform
+
+ # Set for cross builds explicitly
+ if "_PYTHON_HOST_PLATFORM" in os.environ:
+ return os.environ["_PYTHON_HOST_PLATFORM"]
+
+ if os.name != 'posix' or not hasattr(os, 'uname'):
+ # XXX what about the architecture? NT is Intel or Alpha,
+ # Mac OS is M68k or PPC, etc.
+ return sys.platform
+
+ # Try to distinguish various flavours of Unix
+
+ (osname, host, release, version, machine) = os.uname()
+
+ # Convert the OS name to lowercase, remove '/' characters, and translate
+ # spaces (for "Power Macintosh")
+ osname = osname.lower().replace('/', '')
+ machine = machine.replace(' ', '_').replace('/', '-')
+
+ if osname[:5] == 'linux':
+ # At least on Linux/Intel, 'machine' is the processor --
+ # i386, etc.
+ # XXX what about Alpha, SPARC, etc?
+ return "%s-%s" % (osname, machine)
+
+ elif osname[:5] == 'sunos':
+ if release[0] >= '5': # SunOS 5 == Solaris 2
+ osname = 'solaris'
+ release = '%d.%s' % (int(release[0]) - 3, release[2:])
+ # We can't use 'platform.architecture()[0]' because a
+ # bootstrap problem. We use a dict to get an error
+ # if some suspicious happens.
+ bitness = {2147483647: '32bit', 9223372036854775807: '64bit'}
+ machine += '.%s' % bitness[sys.maxsize]
+ # fall through to standard osname-release-machine representation
+ elif osname[:3] == 'aix':
+ from _aix_support import aix_platform
+ return aix_platform()
+ elif osname[:6] == 'cygwin':
+ osname = 'cygwin'
+ rel_re = re.compile(r'[\d.]+', re.ASCII)
+ m = rel_re.match(release)
+ if m:
+ release = m.group()
+ elif osname[:6] == 'darwin':
+ import _osx_support
+ try:
+ from distutils import sysconfig
+ except ImportError:
+ import sysconfig
+ osname, release, machine = _osx_support.get_platform_osx(sysconfig.get_config_vars(), osname, release, machine)
+
+ return '%s-%s-%s' % (osname, release, machine)
+
+
+_TARGET_TO_PLAT = {
+ 'x86': 'win32',
+ 'x64': 'win-amd64',
+ 'arm': 'win-arm32',
+}
+
+
+def get_platform():
+ if os.name != 'nt':
+ return get_host_platform()
+ cross_compilation_target = os.environ.get('VSCMD_ARG_TGT_ARCH')
+ if cross_compilation_target not in _TARGET_TO_PLAT:
+ return get_host_platform()
+ return _TARGET_TO_PLAT[cross_compilation_target]
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