def gen(ireq):
if self.DEFAULT_INDEX_URL in self.finder.index_urls:
url = 'https://pypi.org/pypi/{0}/json'.format(ireq.req.name)
r = self.session.get(url)
# TODO: Latest isn't always latest.
latest = list(r.json()['releases'].keys())[-1]
if str(ireq.req.specifier) == '=={0}'.format(latest):
for requires in r.json().get('info', {}).get('requires_dist', {}):
i = InstallRequirement.from_line(requires)
if 'extra' not in repr(i.markers):
yield i
def get_legacy_dependencies(self, ireq):
"""
Given a pinned or an editable InstallRequirement, returns a set of
dependencies (also InstallRequirements, but not necessarily pinned).
They indicate the secondary dependencies for the given requirement.
"""
if not (ireq.editable or is_pinned_requirement(ireq)):
raise TypeError('Expected pinned or editable InstallRequirement, got {}'.format(ireq))
# Collect setup_requires info from local eggs.
setup_requires = {}
if ireq.editable:
try:
dist = ireq.get_dist()
if dist.has_metadata('requires.txt'):
setup_requires = self.finder.get_extras_links(
dist.get_metadata_lines('requires.txt')
)
except TypeError:
pass
if ireq not in self._dependencies_cache:
if ireq.link and not ireq.link.is_artifact:
# No download_dir for VCS sources. This also works around pip
# using git-checkout-index, which gets rid of the .git dir.
download_dir = None
else:
download_dir = self._download_dir
if not os.path.isdir(download_dir):
os.makedirs(download_dir)
if not os.path.isdir(self._wheel_download_dir):
os.makedirs(self._wheel_download_dir)
reqset = RequirementSet(self.build_dir,
self.source_dir,
download_dir=download_dir,
wheel_download_dir=self._wheel_download_dir,
session=self.session,
ignore_installed=True,
ignore_compatibility=False
)
result = reqset._prepare_file(self.finder, ireq, ignore_requires_python=True)
# Convert setup_requires dict into a somewhat usable form.
if setup_requires:
for section in setup_requires:
python_version = section
not_python = not (section.startswith('[') and ':' in section)
for value in setup_requires[section]:
# This is a marker.
if value.startswith('[') and ':' in value:
python_version = value[1:-1]
not_python = False
# Strip out other extras.
if value.startswith('[') and ':' not in value:
not_python = True
if ':' not in value:
try:
if not not_python:
result = result + [InstallRequirement.from_line("{0}{1}".format(value, python_version).replace(':', ';'))]
# Anything could go wrong here — can't be too careful.
except Exception:
pass
if reqset.requires_python:
marker = 'python_version=="{0}"'.format(reqset.requires_python.replace(' ', ''))
new_req = InstallRequirement.from_line('{0}; {1}'.format(str(ireq.req), marker))
result = [new_req]
self._dependencies_cache[ireq] = result
return set(self._dependencies_cache[ireq])
def get_legacy_dependencies(self, ireq):
"""
Given a pinned or an editable InstallRequirement, returns a set of
dependencies (also InstallRequirements, but not necessarily pinned).
They indicate the secondary dependencies for the given requirement.
"""
if not (ireq.editable or is_pinned_requirement(ireq)):
raise TypeError(
'Expected pinned or editable InstallRequirement, got {}'.
format(ireq))
setup_requires = {}
# if ireq.editable:
# dist = ireq.get_dist()
# if dist.has_metadata('requires.txt'):
# setup_requires = self.finder.get_extras_links(
# dist.get_metadata_lines('requires.txt')
# )
if ireq not in self._dependencies_cache:
if ireq.link and not ireq.link.is_artifact:
# No download_dir for VCS sources. This also works around pip
# using git-checkout-index, which gets rid of the .git dir.
download_dir = None
else:
download_dir = self._download_dir
if not os.path.isdir(download_dir):
os.makedirs(download_dir)
if not os.path.isdir(self._wheel_download_dir):
os.makedirs(self._wheel_download_dir)
reqset = RequirementSet(
self.build_dir,
self.source_dir,
download_dir=download_dir,
wheel_download_dir=self._wheel_download_dir,
session=self.session,
ignore_installed=True,
ignore_compatibility=True)
result = reqset._prepare_file(self.finder,
ireq,
ignore_requires_python=True)
# if setup_requires:
# for section in setup_requires:
# python_version = section
# for value in setup_requires[section]:
# if ':' in value:
# python_version = value[1:-1]
# else:
# result = result + [InstallRequirement.from_line("{0}{1}".format(value, python_version).replace(':', ';'))]
if reqset.requires_python:
marker = 'python_version=="{0}"'.format(
reqset.requires_python.replace(' ', ''))
new_req = InstallRequirement.from_line('{0}; {1}'.format(
str(ireq.req), marker))
result = [new_req]
self._dependencies_cache[ireq] = result
return set(self._dependencies_cache[ireq])