def find_packages_latest_versions(self, options):
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
logger.info('Ignoring indexes: %s', ','.join(index_urls))
index_urls = []
dependency_links = []
for dist in get_installed_distributions(local_only=options.local,
user_only=options.user):
if dist.has_metadata('dependency_links.txt'):
dependency_links.extend(
dist.get_metadata_lines('dependency_links.txt'),
)
with self._build_session(options) as session:
finder = self._build_package_finder(options, index_urls, session)
finder.add_dependency_links(dependency_links)
installed_packages = get_installed_distributions(
local_only=options.local,
user_only=options.user,
include_editables=False,
)
format_control = FormatControl(set(), set())
wheel_cache = WheelCache(options.cache_dir, format_control)
for dist in installed_packages:
req = InstallRequirement.from_line(
dist.key, None, isolated=options.isolated_mode,
wheel_cache=wheel_cache
)
typ = 'unknown'
try:
link = finder.find_requirement(req, True)
# If link is None, means installed version is most
# up-to-date
if link is None:
continue
except DistributionNotFound:
continue
else:
canonical_name = canonicalize_name(req.name)
formats = fmt_ctl_formats(format_control, canonical_name)
search = Search(
req.name,
canonical_name,
formats)
remote_version = finder._link_package_versions(
link, search).version
if link.is_wheel:
typ = 'wheel'
else:
typ = 'sdist'
yield dist, remote_version, typ
def fmt_ctl_handle_mutual_exclude(value, target, other):
new = value.split(',')
while ':all:' in new:
other.clear()
target.clear()
target.add(':all:')
del new[:new.index(':all:') + 1]
if ':none:' not in new:
# Without a none, we want to discard everything as :all: covers it
return
for name in new:
if name == ':none:':
target.clear()
continue
name = canonicalize_name(name)
other.discard(name)
target.add(name)
def fmt_ctl_handle_mutual_exclude(value, target, other):
new = value.split(',')
while ':all:' in new:
other.clear()
target.clear()
target.add(':all:')
del new[:new.index(':all:') + 1]
if ':none:' not in new:
# Without a none, we want to discard everything as :all: covers it
return
for name in new:
if name == ':none:':
target.clear()
continue
name = canonicalize_name(name)
other.discard(name)
target.add(name)
def cached_wheel(cache_dir, link, format_control, package_name):
if not cache_dir:
return link
if not link:
return link
if link.is_wheel:
return link
if not link.is_artifact:
return link
if not package_name:
return link
canonical_name = canonicalize_name(package_name)
formats = pip.index.fmt_ctl_formats(format_control, canonical_name)
if "binary" not in formats:
return link
root = _cache_for_link(cache_dir, link)
try:
wheel_names = os.listdir(root)
except OSError as e:
if e.errno in (errno.ENOENT, errno.ENOTDIR):
return link
raise
candidates = []
for wheel_name in wheel_names:
try:
wheel = Wheel(wheel_name)
except InvalidWheelFilename:
continue
if not wheel.supported():
# Built for a different python/arch/etc
continue
candidates.append((wheel.support_index_min(), wheel_name))
if not candidates:
return link
candidates.sort()
path = os.path.join(root, candidates[0][1])
return pip.index.Link(path_to_url(path))
def cached_wheel(cache_dir, link, format_control, package_name):
if not cache_dir:
return link
if not link:
return link
if link.is_wheel:
return link
if not link.is_artifact:
return link
if not package_name:
return link
canonical_name = canonicalize_name(package_name)
formats = pip.index.fmt_ctl_formats(format_control, canonical_name)
if "binary" not in formats:
return link
root = _cache_for_link(cache_dir, link)
try:
wheel_names = os.listdir(root)
except OSError as e:
if e.errno in (errno.ENOENT, errno.ENOTDIR):
return link
raise
candidates = []
for wheel_name in wheel_names:
try:
wheel = Wheel(wheel_name)
except InvalidWheelFilename:
continue
if not wheel.supported():
# Built for a different python/arch/etc
continue
candidates.append((wheel.support_index_min(), wheel_name))
if not candidates:
return link
candidates.sort()
path = os.path.join(root, candidates[0][1])
return pip.index.Link(path_to_url(path))
def run_egg_info(self):
assert self.source_dir
if self.name:
logger.debug(
'Running setup.py (path:%s) egg_info for package %s',
self.setup_py,
self.name,
)
else:
logger.debug(
'Running setup.py (path:%s) egg_info for package from %s',
self.setup_py,
self.link,
)
with indent_log():
script = SETUPTOOLS_SHIM % self.setup_py
base_cmd = [sys.executable, '-c', script]
if self.isolated:
base_cmd += ["--no-user-cfg"]
egg_info_cmd = base_cmd + ['egg_info']
# We can't put the .egg-info files at the root, because then the
# source code will be mistaken for an installed egg, causing
# problems
if self.editable:
egg_base_option = []
else:
egg_info_dir = os.path.join(self.source_dir, 'pip-egg-info')
ensure_dir(egg_info_dir)
egg_base_option = ['--egg-base', 'pip-egg-info']
cwd = self.source_dir
if self.editable_options and \
'subdirectory' in self.editable_options:
cwd = os.path.join(cwd, self.editable_options['subdirectory'])
call_subprocess(egg_info_cmd + egg_base_option,
cwd=cwd,
show_stdout=False,
command_level=logging.DEBUG,
command_desc='python setup.py egg_info')
if not self.req:
if isinstance(
pkg_resources.parse_version(self.pkg_info()["Version"]),
Version):
op = "=="
else:
op = "==="
self.req = pkg_resources.Requirement.parse("".join([
self.pkg_info()["Name"],
op,
self.pkg_info()["Version"],
]))
self._correct_build_location()
else:
metadata_name = canonicalize_name(self.pkg_info()["Name"])
if canonicalize_name(self.req.project_name) != metadata_name:
logger.warning(
'Running setup.py (path:%s) egg_info for package %s '
'produced metadata for project name %s. Fix your '
'#egg=%s fragments.', self.setup_py, self.name,
metadata_name, self.name)
self.req = pkg_resources.Requirement.parse(metadata_name)
def build(self, autobuilding=False):
"""Build wheels.
:param unpack: If True, replace the sdist we built from the with the
newly built wheel, in preparation for installation.
:return: True if all the wheels built correctly.
"""
assert self._wheel_dir or (autobuilding and self._cache_root)
# unpack sdists and constructs req set
self.requirement_set.prepare_files(self.finder)
reqset = self.requirement_set.requirements.values()
buildset = []
for req in reqset:
if req.constraint:
continue
if req.is_wheel:
if not autobuilding:
logger.info(
'Skipping %s, due to already being wheel.', req.name)
elif req.editable:
if not autobuilding:
logger.info(
'Skipping bdist_wheel for %s, due to being editable',
req.name)
elif autobuilding and req.link and not req.link.is_artifact:
pass
elif autobuilding and not req.source_dir:
pass
else:
if autobuilding:
link = req.link
base, ext = link.splitext()
if pip.index.egg_info_matches(base, None, link) is None:
# Doesn't look like a package - don't autobuild a wheel
# because we'll have no way to lookup the result sanely
continue
if "binary" not in pip.index.fmt_ctl_formats(
self.finder.format_control,
canonicalize_name(req.name)):
logger.info(
"Skipping bdist_wheel for %s, due to binaries "
"being disabled for it.", req.name)
continue
buildset.append(req)
if not buildset:
return True
# Build the wheels.
logger.info(
'Building wheels for collected packages: %s',
', '.join([req.name for req in buildset]),
)
with indent_log():
build_success, build_failure = [], []
for req in buildset:
if autobuilding:
output_dir = _cache_for_link(self._cache_root, req.link)
try:
ensure_dir(output_dir)
except OSError as e:
logger.warn("Building wheel for %s failed: %s",
req.name, e)
build_failure.append(req)
continue
else:
output_dir = self._wheel_dir
wheel_file = self._build_one(req, output_dir)
if wheel_file:
build_success.append(req)
if autobuilding:
# XXX: This is mildly duplicative with prepare_files,
# but not close enough to pull out to a single common
# method.
# The code below assumes temporary source dirs -
# prevent it doing bad things.
if req.source_dir and not os.path.exists(os.path.join(
req.source_dir, PIP_DELETE_MARKER_FILENAME)):
raise AssertionError(
"bad source dir - missing marker")
# Delete the source we built the wheel from
req.remove_temporary_source()
# set the build directory again - name is known from
# the work prepare_files did.
req.source_dir = req.build_location(
self.requirement_set.build_dir)
# Update the link for this.
req.link = pip.index.Link(
path_to_url(wheel_file))
assert req.link.is_wheel
# extract the wheel into the dir
unpack_url(
req.link, req.source_dir, None, False,
session=self.requirement_set.session)
else:
build_failure.append(req)
# notify success/failure
if build_success:
logger.info(
'Successfully built %s',
' '.join([req.name for req in build_success]),
)
if build_failure:
logger.info(
'Failed to build %s',
' '.join([req.name for req in build_failure]),
)
# Return True if all builds were successful
return len(build_failure) == 0
def _link_package_versions(self, link, search):
"""Return an InstallationCandidate or None"""
version = None
if link.egg_fragment:
egg_info = link.egg_fragment
ext = link.ext
else:
egg_info, ext = link.splitext()
if not ext:
self._log_skipped_link(link, 'not a file')
return
if ext not in SUPPORTED_EXTENSIONS:
self._log_skipped_link(link,
'unsupported archive format: %s' % ext)
return
if "binary" not in search.formats and ext == wheel_ext:
self._log_skipped_link(
link, 'No binaries permitted for %s' % search.supplied)
return
if "macosx10" in link.path and ext == '.zip':
self._log_skipped_link(link, 'macosx10 one')
return
if ext == wheel_ext:
try:
wheel = Wheel(link.filename)
except InvalidWheelFilename:
self._log_skipped_link(link, 'invalid wheel filename')
return
if canonicalize_name(wheel.name) != search.canonical:
self._log_skipped_link(
link, 'wrong project name (not %s)' % search.supplied)
return
if not wheel.supported():
self._log_skipped_link(
link, 'it is not compatible with this Python')
return
version = wheel.version
# This should be up by the search.ok_binary check, but see issue 2700.
if "source" not in search.formats and ext != wheel_ext:
self._log_skipped_link(
link, 'No sources permitted for %s' % search.supplied)
return
if not version:
version = egg_info_matches(egg_info, search.supplied, link)
if version is None:
self._log_skipped_link(
link, 'wrong project name (not %s)' % search.supplied)
return
match = self._py_version_re.search(version)
if match:
version = version[:match.start()]
py_version = match.group(1)
if py_version != sys.version[:3]:
self._log_skipped_link(link, 'Python version is incorrect')
return
logger.debug('Found link %s, version: %s', link, version)
return InstallationCandidate(search.supplied, version, link)
def find_all_candidates(self, project_name):
"""Find all available InstallationCandidate for project_name
This checks index_urls, find_links and dependency_links.
All versions found are returned as an InstallationCandidate list.
See _link_package_versions for details on which files are accepted
"""
index_locations = self._get_index_urls_locations(project_name)
index_file_loc, index_url_loc = self._sort_locations(index_locations)
fl_file_loc, fl_url_loc = self._sort_locations(self.find_links,
expand_dir=True)
dep_file_loc, dep_url_loc = self._sort_locations(self.dependency_links)
file_locations = (Link(url) for url in itertools.chain(
index_file_loc, fl_file_loc, dep_file_loc))
# We trust every url that the user has given us whether it was given
# via --index-url or --find-links
# We explicitly do not trust links that came from dependency_links
# We want to filter out any thing which does not have a secure origin.
url_locations = [
link for link in itertools.chain(
(Link(url) for url in index_url_loc),
(Link(url) for url in fl_url_loc),
(Link(url) for url in dep_url_loc),
) if self._validate_secure_origin(logger, link)
]
logger.debug('%d location(s) to search for versions of %s:',
len(url_locations), project_name)
for location in url_locations:
logger.debug('* %s', location)
canonical_name = canonicalize_name(project_name)
formats = fmt_ctl_formats(self.format_control, canonical_name)
search = Search(project_name, canonical_name, formats)
find_links_versions = self._package_versions(
# We trust every directly linked archive in find_links
(Link(url, '-f') for url in self.find_links),
search)
page_versions = []
for page in self._get_pages(url_locations, project_name):
logger.debug('Analyzing links from page %s', page.url)
with indent_log():
page_versions.extend(self._package_versions(
page.links, search))
dependency_versions = self._package_versions(
(Link(url) for url in self.dependency_links), search)
if dependency_versions:
logger.debug(
'dependency_links found: %s', ', '.join(
[version.location.url for version in dependency_versions]))
file_versions = self._package_versions(file_locations, search)
if file_versions:
file_versions.sort(reverse=True)
logger.debug(
'Local files found: %s', ', '.join([
url_to_path(candidate.location.url)
for candidate in file_versions
]))
# This is an intentional priority ordering
return (file_versions + find_links_versions + page_versions +
dependency_versions)
def run_egg_info(self):
assert self.source_dir
if self.name:
logger.debug(
'Running setup.py (path:%s) egg_info for package %s',
self.setup_py, self.name,
)
else:
logger.debug(
'Running setup.py (path:%s) egg_info for package from %s',
self.setup_py, self.link,
)
with indent_log():
script = SETUPTOOLS_SHIM % self.setup_py
base_cmd = [sys.executable, '-c', script]
if self.isolated:
base_cmd += ["--no-user-cfg"]
egg_info_cmd = base_cmd + ['egg_info']
# We can't put the .egg-info files at the root, because then the
# source code will be mistaken for an installed egg, causing
# problems
if self.editable:
egg_base_option = []
else:
egg_info_dir = os.path.join(self.source_dir, 'pip-egg-info')
ensure_dir(egg_info_dir)
egg_base_option = ['--egg-base', 'pip-egg-info']
cwd = self.source_dir
if self.editable_options and \
'subdirectory' in self.editable_options:
cwd = os.path.join(cwd, self.editable_options['subdirectory'])
call_subprocess(
egg_info_cmd + egg_base_option,
cwd=cwd,
show_stdout=False,
command_level=logging.DEBUG,
command_desc='python setup.py egg_info')
if not self.req:
if isinstance(
pkg_resources.parse_version(self.pkg_info()["Version"]),
Version):
op = "=="
else:
op = "==="
self.req = pkg_resources.Requirement.parse(
"".join([
self.pkg_info()["Name"],
op,
self.pkg_info()["Version"],
]))
self._correct_build_location()
else:
metadata_name = canonicalize_name(self.pkg_info()["Name"])
if canonicalize_name(self.req.project_name) != metadata_name:
logger.warning(
'Running setup.py (path:%s) egg_info for package %s '
'produced metadata for project name %s. Fix your '
'#egg=%s fragments.',
self.setup_py, self.name, metadata_name, self.name
)
self.req = pkg_resources.Requirement.parse(metadata_name)
def build(self, autobuilding=False):
"""Build wheels.
:param unpack: If True, replace the sdist we built from with the
newly built wheel, in preparation for installation.
:return: True if all the wheels built correctly.
"""
assert self._wheel_dir or (autobuilding and self._cache_root)
# unpack sdists and constructs req set
self.requirement_set.prepare_files(self.finder)
reqset = self.requirement_set.requirements.values()
buildset = []
for req in reqset:
if req.constraint:
continue
if req.is_wheel:
if not autobuilding:
logger.info('Skipping %s, due to already being wheel.',
req.name)
elif req.editable:
if not autobuilding:
logger.info(
'Skipping bdist_wheel for %s, due to being editable',
req.name)
elif autobuilding and req.link and not req.link.is_artifact:
pass
elif autobuilding and not req.source_dir:
pass
else:
if autobuilding:
link = req.link
base, ext = link.splitext()
if pip.index.egg_info_matches(base, None, link) is None:
# Doesn't look like a package - don't autobuild a wheel
# because we'll have no way to lookup the result sanely
continue
if "binary" not in pip.index.fmt_ctl_formats(
self.finder.format_control,
canonicalize_name(req.name)):
logger.info(
"Skipping bdist_wheel for %s, due to binaries "
"being disabled for it.", req.name)
continue
buildset.append(req)
if not buildset:
return True
# Build the wheels.
logger.info(
'Building wheels for collected packages: %s',
', '.join([req.name for req in buildset]),
)
with indent_log():
build_success, build_failure = [], []
for req in buildset:
python_tag = None
if autobuilding:
python_tag = pep425tags.implementation_tag
output_dir = _cache_for_link(self._cache_root, req.link)
try:
ensure_dir(output_dir)
except OSError as e:
logger.warn("Building wheel for %s failed: %s",
req.name, e)
build_failure.append(req)
continue
else:
output_dir = self._wheel_dir
wheel_file = self._build_one(
req,
output_dir,
python_tag=python_tag,
)
if wheel_file:
build_success.append(req)
if autobuilding:
# XXX: This is mildly duplicative with prepare_files,
# but not close enough to pull out to a single common
# method.
# The code below assumes temporary source dirs -
# prevent it doing bad things.
if req.source_dir and not os.path.exists(
os.path.join(req.source_dir,
PIP_DELETE_MARKER_FILENAME)):
raise AssertionError(
"bad source dir - missing marker")
# Delete the source we built the wheel from
req.remove_temporary_source()
# set the build directory again - name is known from
# the work prepare_files did.
req.source_dir = req.build_location(
self.requirement_set.build_dir)
# Update the link for this.
req.link = pip.index.Link(path_to_url(wheel_file))
assert req.link.is_wheel
# extract the wheel into the dir
unpack_url(req.link,
req.source_dir,
None,
False,
session=self.requirement_set.session)
else:
build_failure.append(req)
# notify success/failure
if build_success:
logger.info(
'Successfully built %s',
' '.join([req.name for req in build_success]),
)
if build_failure:
logger.info(
'Failed to build %s',
' '.join([req.name for req in build_failure]),
)
# Return True if all builds were successful
return len(build_failure) == 0
req.name)
elif autobuilding and req.link and not req.link.is_artifact:
pass
elif autobuilding and not req.source_dir:
pass
else:
if autobuilding:
link = req.link
base, ext = link.splitext()
if pip.index.egg_info_matches(base, None, link) is None:
# Doesn't look like a package - don't autobuild a wheel
# because we'll have no way to lookup the result sanely
continue
if "binary" not in pip.index.fmt_ctl_formats(
self.finder.format_control,
canonicalize_name(req.name)):
logger.info(
"Skipping bdist_wheel for %s, due to binaries "
"being disabled for it.", req.name)
continue
buildset.append(req)
if not buildset:
return True
# Build the wheels.
logger.info(
'Building wheels for collected packages: %s',
', '.join([req.name for req in buildset]),
)
with indent_log():
def _link_package_versions(self, link, search):
"""Return an InstallationCandidate or None"""
platform = get_platform()
version = None
if link.egg_fragment:
egg_info = link.egg_fragment
ext = link.ext
else:
egg_info, ext = link.splitext()
if not ext:
self._log_skipped_link(link, 'not a file')
return
if ext not in SUPPORTED_EXTENSIONS:
self._log_skipped_link(
link, 'unsupported archive format: %s' % ext)
return
if "binary" not in search.formats and ext == wheel_ext:
self._log_skipped_link(
link, 'No binaries permitted for %s' % search.supplied)
return
if "macosx10" in link.path and ext == '.zip':
self._log_skipped_link(link, 'macosx10 one')
return
if ext == wheel_ext:
try:
wheel = Wheel(link.filename)
except InvalidWheelFilename:
self._log_skipped_link(link, 'invalid wheel filename')
return
if canonicalize_name(wheel.name) != search.canonical:
self._log_skipped_link(
link, 'wrong project name (not %s)' % search.supplied)
return
if not wheel.supported():
self._log_skipped_link(
link, 'it is not compatible with this Python')
return
# This is a dirty hack to prevent installing Binary Wheels from
# PyPI unless it is a Windows or Mac Binary Wheel. This is
# paired with a change to PyPI disabling uploads for the
# same. Once we have a mechanism for enabling support for
# binary wheels on linux that deals with the inherent problems
# of binary distribution this can be removed.
comes_from = getattr(link, "comes_from", None)
if (
(
not platform.startswith('win') and not
platform.startswith('macosx') and not
platform == 'cli'
) and
comes_from is not None and
urllib_parse.urlparse(
comes_from.url
).netloc.endswith(PyPI.netloc)):
if not wheel.supported(tags=supported_tags_noarch):
self._log_skipped_link(
link,
"it is a pypi-hosted binary "
"Wheel on an unsupported platform",
)
return
version = wheel.version
# This should be up by the search.ok_binary check, but see issue 2700.
if "source" not in search.formats and ext != wheel_ext:
self._log_skipped_link(
link, 'No sources permitted for %s' % search.supplied)
return
if not version:
version = egg_info_matches(egg_info, search.supplied, link)
if version is None:
self._log_skipped_link(
link, 'wrong project name (not %s)' % search.supplied)
return
match = self._py_version_re.search(version)
if match:
version = version[:match.start()]
py_version = match.group(1)
if py_version != sys.version[:3]:
self._log_skipped_link(
link, 'Python version is incorrect')
return
logger.debug('Found link %s, version: %s', link, version)
return InstallationCandidate(search.supplied, version, link)
def _find_all_versions(self, project_name):
"""Find all available versions for project_name
This checks index_urls, find_links and dependency_links.
All versions found are returned as an InstallationCandidate list.
See _link_package_versions for details on which files are accepted
"""
index_locations = self._get_index_urls_locations(project_name)
index_file_loc, index_url_loc = self._sort_locations(index_locations)
fl_file_loc, fl_url_loc = self._sort_locations(
self.find_links, expand_dir=True)
dep_file_loc, dep_url_loc = self._sort_locations(self.dependency_links)
file_locations = (
Link(url) for url in itertools.chain(
index_file_loc, fl_file_loc, dep_file_loc)
)
# We trust every url that the user has given us whether it was given
# via --index-url or --find-links
# We explicitly do not trust links that came from dependency_links
# We want to filter out any thing which does not have a secure origin.
url_locations = [
link for link in itertools.chain(
(Link(url) for url in index_url_loc),
(Link(url) for url in fl_url_loc),
(Link(url) for url in dep_url_loc),
)
if self._validate_secure_origin(logger, link)
]
logger.debug('%d location(s) to search for versions of %s:',
len(url_locations), project_name)
for location in url_locations:
logger.debug('* %s', location)
canonical_name = canonicalize_name(project_name)
formats = fmt_ctl_formats(self.format_control, canonical_name)
search = Search(project_name, canonical_name, formats)
find_links_versions = self._package_versions(
# We trust every directly linked archive in find_links
(Link(url, '-f') for url in self.find_links),
search
)
page_versions = []
for page in self._get_pages(url_locations, project_name):
logger.debug('Analyzing links from page %s', page.url)
with indent_log():
page_versions.extend(
self._package_versions(page.links, search)
)
dependency_versions = self._package_versions(
(Link(url) for url in self.dependency_links), search
)
if dependency_versions:
logger.debug(
'dependency_links found: %s',
', '.join([
version.location.url for version in dependency_versions
])
)
file_versions = self._package_versions(file_locations, search)
if file_versions:
file_versions.sort(reverse=True)
logger.debug(
'Local files found: %s',
', '.join([
url_to_path(candidate.location.url)
for candidate in file_versions
])
)
# This is an intentional priority ordering
return (
file_versions + find_links_versions + page_versions +
dependency_versions
)
def _link_package_versions(self, link, search):
"""Return an InstallationCandidate or None"""
version = None
if link.egg_fragment:
egg_info = link.egg_fragment
ext = link.ext
else:
egg_info, ext = link.splitext()
if not ext:
self._log_skipped_link(link, 'not a file')
return
if ext not in SUPPORTED_EXTENSIONS:
self._log_skipped_link(
link, 'unsupported archive format: %s' % ext)
return
if "binary" not in search.formats and ext == wheel_ext:
self._log_skipped_link(
link, 'No binaries permitted for %s' % search.supplied)
return
if "macosx10" in link.path and ext == '.zip':
self._log_skipped_link(link, 'macosx10 one')
return
if ext == wheel_ext:
try:
wheel = Wheel(link.filename)
except InvalidWheelFilename:
self._log_skipped_link(link, 'invalid wheel filename')
return
if canonicalize_name(wheel.name) != search.canonical:
self._log_skipped_link(
link, 'wrong project name (not %s)' % search.supplied)
return
if not wheel.supported():
self._log_skipped_link(
link, 'it is not compatible with this Python')
return
version = wheel.version
# This should be up by the search.ok_binary check, but see issue 2700.
if "source" not in search.formats and ext != wheel_ext:
self._log_skipped_link(
link, 'No sources permitted for %s' % search.supplied)
return
if not version:
version = egg_info_matches(egg_info, search.supplied, link)
if version is None:
self._log_skipped_link(
link, 'wrong project name (not %s)' % search.supplied)
return
match = self._py_version_re.search(version)
if match:
version = version[:match.start()]
py_version = match.group(1)
if py_version != sys.version[:3]:
self._log_skipped_link(
link, 'Python version is incorrect')
return
logger.debug('Found link %s, version: %s', link, version)
return InstallationCandidate(search.supplied, version, link)