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kromskii2 committed 2025-03-15 09:36:28 +07:00
1 parent ac32c55ab9
commit ee94d8e529
1138 files changed
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venv/Lib/site-packages/pip/_vendor/distlib/database.py
+59 -80
View File
@@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-
#
# Copyright (C) 2012-2017 The Python Software Foundation.
# Copyright (C) 2012-2023 The Python Software Foundation.
# See LICENSE.txt and CONTRIBUTORS.txt.
#
"""PEP 376 implementation."""
@@ -20,24 +20,20 @@ import zipimport
from . import DistlibException, resources
from .compat import StringIO
from .version import get_scheme, UnsupportedVersionError
from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME,
LEGACY_METADATA_FILENAME)
from .util import (parse_requirement, cached_property, parse_name_and_version,
read_exports, write_exports, CSVReader, CSVWriter)
__all__ = ['Distribution', 'BaseInstalledDistribution',
'InstalledDistribution', 'EggInfoDistribution',
'DistributionPath']
from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME)
from .util import (parse_requirement, cached_property, parse_name_and_version, read_exports, write_exports, CSVReader,
CSVWriter)
__all__ = [
'Distribution', 'BaseInstalledDistribution', 'InstalledDistribution', 'EggInfoDistribution', 'DistributionPath'
]
logger = logging.getLogger(__name__)
EXPORTS_FILENAME = 'pydist-exports.json'
COMMANDS_FILENAME = 'pydist-commands.json'
DIST_FILES = ('INSTALLER', METADATA_FILENAME, 'RECORD', 'REQUESTED',
'RESOURCES', EXPORTS_FILENAME, 'SHARED')
DIST_FILES = ('INSTALLER', METADATA_FILENAME, 'RECORD', 'REQUESTED', 'RESOURCES', EXPORTS_FILENAME, 'SHARED')
DISTINFO_EXT = '.dist-info'
@@ -46,6 +42,7 @@ class _Cache(object):
"""
A simple cache mapping names and .dist-info paths to distributions
"""
def __init__(self):
"""
Initialise an instance. There is normally one for each DistributionPath.
@@ -76,6 +73,7 @@ class DistributionPath(object):
"""
Represents a set of distributions installed on a path (typically sys.path).
"""
def __init__(self, path=None, include_egg=False):
"""
Create an instance from a path, optionally including legacy (distutils/
@@ -111,7 +109,6 @@ class DistributionPath(object):
self._cache.clear()
self._cache_egg.clear()
def _yield_distributions(self):
"""
Yield .dist-info and/or .egg(-info) distributions.
@@ -134,9 +131,7 @@ class DistributionPath(object):
continue
try:
if self._include_dist and entry.endswith(DISTINFO_EXT):
possible_filenames = [METADATA_FILENAME,
WHEEL_METADATA_FILENAME,
LEGACY_METADATA_FILENAME]
possible_filenames = [METADATA_FILENAME, WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME]
for metadata_filename in possible_filenames:
metadata_path = posixpath.join(entry, metadata_filename)
pydist = finder.find(metadata_path)
@@ -149,10 +144,8 @@ class DistributionPath(object):
metadata = Metadata(fileobj=stream, scheme='legacy')
logger.debug('Found %s', r.path)
seen.add(r.path)
yield new_dist_class(r.path, metadata=metadata,
env=self)
elif self._include_egg and entry.endswith(('.egg-info',
'.egg')):
yield new_dist_class(r.path, metadata=metadata, env=self)
elif self._include_egg and entry.endswith(('.egg-info', '.egg')):
logger.debug('Found %s', r.path)
seen.add(r.path)
yield old_dist_class(r.path, self)
@@ -270,8 +263,7 @@ class DistributionPath(object):
try:
matcher = self._scheme.matcher('%s (%s)' % (name, version))
except ValueError:
raise DistlibException('invalid name or version: %r, %r' %
(name, version))
raise DistlibException('invalid name or version: %r, %r' % (name, version))
for dist in self.get_distributions():
# We hit a problem on Travis where enum34 was installed and doesn't
@@ -346,12 +338,12 @@ class Distribution(object):
"""
self.metadata = metadata
self.name = metadata.name
self.key = self.name.lower() # for case-insensitive comparisons
self.key = self.name.lower() # for case-insensitive comparisons
self.version = metadata.version
self.locator = None
self.digest = None
self.extras = None # additional features requested
self.context = None # environment marker overrides
self.extras = None # additional features requested
self.context = None # environment marker overrides
self.download_urls = set()
self.digests = {}
@@ -362,7 +354,7 @@ class Distribution(object):
"""
return self.metadata.source_url
download_url = source_url # Backward compatibility
download_url = source_url # Backward compatibility
@property
def name_and_version(self):
@@ -386,10 +378,8 @@ class Distribution(object):
def _get_requirements(self, req_attr):
md = self.metadata
reqts = getattr(md, req_attr)
logger.debug('%s: got requirements %r from metadata: %r', self.name, req_attr,
reqts)
return set(md.get_requirements(reqts, extras=self.extras,
env=self.context))
logger.debug('%s: got requirements %r from metadata: %r', self.name, req_attr, reqts)
return set(md.get_requirements(reqts, extras=self.extras, env=self.context))
@property
def run_requires(self):
@@ -426,12 +416,11 @@ class Distribution(object):
matcher = scheme.matcher(r.requirement)
except UnsupportedVersionError:
# XXX compat-mode if cannot read the version
logger.warning('could not read version %r - using name only',
req)
logger.warning('could not read version %r - using name only', req)
name = req.split()[0]
matcher = scheme.matcher(name)
name = matcher.key # case-insensitive
name = matcher.key # case-insensitive
result = False
for p in self.provides:
@@ -466,9 +455,7 @@ class Distribution(object):
if type(other) is not type(self):
result = False
else:
result = (self.name == other.name and
self.version == other.version and
self.source_url == other.source_url)
result = (self.name == other.name and self.version == other.version and self.source_url == other.source_url)
return result
def __hash__(self):
@@ -559,8 +546,7 @@ class InstalledDistribution(BaseInstalledDistribution):
if r is None:
r = finder.find(LEGACY_METADATA_FILENAME)
if r is None:
raise ValueError('no %s found in %s' % (METADATA_FILENAME,
path))
raise ValueError('no %s found in %s' % (METADATA_FILENAME, path))
with contextlib.closing(r.as_stream()) as stream:
metadata = Metadata(fileobj=stream, scheme='legacy')
@@ -571,15 +557,14 @@ class InstalledDistribution(BaseInstalledDistribution):
r = finder.find('REQUESTED')
self.requested = r is not None
p = os.path.join(path, 'top_level.txt')
p = os.path.join(path, 'top_level.txt')
if os.path.exists(p):
with open(p, 'rb') as f:
data = f.read().decode('utf-8')
self.modules = data.splitlines()
def __repr__(self):
return '<InstalledDistribution %r %s at %r>' % (
self.name, self.version, self.path)
return '<InstalledDistribution %r %s at %r>' % (self.name, self.version, self.path)
def __str__(self):
return "%s %s" % (self.name, self.version)
@@ -596,14 +581,14 @@ class InstalledDistribution(BaseInstalledDistribution):
with contextlib.closing(r.as_stream()) as stream:
with CSVReader(stream=stream) as record_reader:
# Base location is parent dir of .dist-info dir
#base_location = os.path.dirname(self.path)
#base_location = os.path.abspath(base_location)
# base_location = os.path.dirname(self.path)
# base_location = os.path.abspath(base_location)
for row in record_reader:
missing = [None for i in range(len(row), 3)]
path, checksum, size = row + missing
#if not os.path.isabs(path):
# path = path.replace('/', os.sep)
# path = os.path.join(base_location, path)
# if not os.path.isabs(path):
# path = path.replace('/', os.sep)
# path = os.path.join(base_location, path)
results.append((path, checksum, size))
return results
@@ -701,8 +686,7 @@ class InstalledDistribution(BaseInstalledDistribution):
size = '%d' % os.path.getsize(path)
with open(path, 'rb') as fp:
hash_value = self.get_hash(fp.read())
if path.startswith(base) or (base_under_prefix and
path.startswith(prefix)):
if path.startswith(base) or (base_under_prefix and path.startswith(prefix)):
path = os.path.relpath(path, base)
writer.writerow((path, hash_value, size))
@@ -791,7 +775,7 @@ class InstalledDistribution(BaseInstalledDistribution):
for key in ('prefix', 'lib', 'headers', 'scripts', 'data'):
path = paths[key]
if os.path.isdir(paths[key]):
lines.append('%s=%s' % (key, path))
lines.append('%s=%s' % (key, path))
for ns in paths.get('namespace', ()):
lines.append('namespace=%s' % ns)
@@ -826,9 +810,8 @@ class InstalledDistribution(BaseInstalledDistribution):
# it's an absolute path?
distinfo_dirname, path = path.split(os.sep)[-2:]
if distinfo_dirname != self.path.split(os.sep)[-1]:
raise DistlibException(
'dist-info file %r does not belong to the %r %s '
'distribution' % (path, self.name, self.version))
raise DistlibException('dist-info file %r does not belong to the %r %s '
'distribution' % (path, self.name, self.version))
# The file must be relative
if path not in DIST_FILES:
@@ -854,8 +837,7 @@ class InstalledDistribution(BaseInstalledDistribution):
yield path
def __eq__(self, other):
return (isinstance(other, InstalledDistribution) and
self.path == other.path)
return (isinstance(other, InstalledDistribution) and self.path == other.path)
# See http://docs.python.org/reference/datamodel#object.__hash__
__hash__ = object.__hash__
@@ -867,13 +849,14 @@ class EggInfoDistribution(BaseInstalledDistribution):
if the given path happens to be a directory, the metadata is read from the
file ``PKG-INFO`` under that directory."""
requested = True # as we have no way of knowing, assume it was
requested = True # as we have no way of knowing, assume it was
shared_locations = {}
def __init__(self, path, env=None):
def set_name_and_version(s, n, v):
s.name = n
s.key = n.lower() # for case-insensitive comparisons
s.key = n.lower() # for case-insensitive comparisons
s.version = v
self.path = path
@@ -903,15 +886,17 @@ class EggInfoDistribution(BaseInstalledDistribution):
lines = data.splitlines()
for line in lines:
line = line.strip()
if line.startswith('['):
logger.warning('Unexpected line: quitting requirement scan: %r',
line)
# sectioned files have bare newlines (separating sections)
if not line: # pragma: no cover
continue
if line.startswith('['): # pragma: no cover
logger.warning('Unexpected line: quitting requirement scan: %r', line)
break
r = parse_requirement(line)
if not r:
if not r: # pragma: no cover
logger.warning('Not recognised as a requirement: %r', line)
continue
if r.extras:
if r.extras: # pragma: no cover
logger.warning('extra requirements in requires.txt are '
'not supported')
if not r.constraints:
@@ -947,8 +932,7 @@ class EggInfoDistribution(BaseInstalledDistribution):
else:
# FIXME handle the case where zipfile is not available
zipf = zipimport.zipimporter(path)
fileobj = StringIO(
zipf.get_data('EGG-INFO/PKG-INFO').decode('utf8'))
fileobj = StringIO(zipf.get_data('EGG-INFO/PKG-INFO').decode('utf8'))
metadata = Metadata(fileobj=fileobj, scheme='legacy')
try:
data = zipf.get_data('EGG-INFO/requires.txt')
@@ -982,8 +966,7 @@ class EggInfoDistribution(BaseInstalledDistribution):
return metadata
def __repr__(self):
return '<EggInfoDistribution %r %s at %r>' % (
self.name, self.version, self.path)
return '<EggInfoDistribution %r %s at %r>' % (self.name, self.version, self.path)
def __str__(self):
return "%s %s" % (self.name, self.version)
@@ -1039,7 +1022,7 @@ class EggInfoDistribution(BaseInstalledDistribution):
logger.warning('Non-existent file: %s', p)
if p.endswith(('.pyc', '.pyo')):
continue
#otherwise fall through and fail
# otherwise fall through and fail
if not os.path.isdir(p):
result.append((p, _md5(p), _size(p)))
result.append((record_path, None, None))
@@ -1075,12 +1058,12 @@ class EggInfoDistribution(BaseInstalledDistribution):
yield line
def __eq__(self, other):
return (isinstance(other, EggInfoDistribution) and
self.path == other.path)
return (isinstance(other, EggInfoDistribution) and self.path == other.path)
# See http://docs.python.org/reference/datamodel#object.__hash__
__hash__ = object.__hash__
new_dist_class = InstalledDistribution
old_dist_class = EggInfoDistribution
@@ -1114,7 +1097,7 @@ class DependencyGraph(object):
"""
self.adjacency_list[distribution] = []
self.reverse_list[distribution] = []
#self.missing[distribution] = []
# self.missing[distribution] = []
def add_edge(self, x, y, label=None):
"""Add an edge from distribution *x* to distribution *y* with the given
@@ -1174,9 +1157,8 @@ class DependencyGraph(object):
if len(adjs) == 0 and not skip_disconnected:
disconnected.append(dist)
for other, label in adjs:
if not label is None:
f.write('"%s" -> "%s" [label="%s"]\n' %
(dist.name, other.name, label))
if label is not None:
f.write('"%s" -> "%s" [label="%s"]\n' % (dist.name, other.name, label))
else:
f.write('"%s" -> "%s"\n' % (dist.name, other.name))
if not skip_disconnected and len(disconnected) > 0:
@@ -1216,8 +1198,7 @@ class DependencyGraph(object):
# Remove from the adjacency list of others
for k, v in alist.items():
alist[k] = [(d, r) for d, r in v if d not in to_remove]
logger.debug('Moving to result: %s',
['%s (%s)' % (d.name, d.version) for d in to_remove])
logger.debug('Moving to result: %s', ['%s (%s)' % (d.name, d.version) for d in to_remove])
result.extend(to_remove)
return result, list(alist.keys())
@@ -1252,19 +1233,17 @@ def make_graph(dists, scheme='default'):
# now make the edges
for dist in dists:
requires = (dist.run_requires | dist.meta_requires |
dist.build_requires | dist.dev_requires)
requires = (dist.run_requires | dist.meta_requires | dist.build_requires | dist.dev_requires)
for req in requires:
try:
matcher = scheme.matcher(req)
except UnsupportedVersionError:
# XXX compat-mode if cannot read the version
logger.warning('could not read version %r - using name only',
req)
logger.warning('could not read version %r - using name only', req)
name = req.split()[0]
matcher = scheme.matcher(name)
name = matcher.key # case-insensitive
name = matcher.key # case-insensitive
matched = False
if name in provided:
@@ -1324,7 +1303,7 @@ def get_required_dists(dists, dist):
req = set() # required distributions
todo = graph.adjacency_list[dist] # list of nodes we should inspect
seen = set(t[0] for t in todo) # already added to todo
seen = set(t[0] for t in todo) # already added to todo
while todo:
d = todo.pop()[0]