def distribution_from_path(cls, path, name=None):
"""Return a distribution from a path.
If name is provided, find the distribution. If none is found matching the name, return
None. If name is not provided and there is unambiguously a single distribution, return that
distribution otherwise None.
"""
if name is None:
distributions = set(find_distributions(path))
if len(distributions) == 1:
return distributions.pop()
else:
for dist in find_distributions(path):
if dist.project_name == name:
return dist
def all_distribution_paths(path):
# type: (Optional[str]) -> Iterable[str]
if path is None:
return ()
locations = set(dist.location for dist in find_distributions(path))
return {path} | locations | set(
os.path.realpath(path) for path in locations)
def distribution_from_path(cls, path, name=None):
"""Return a distribution from a path.
If name is provided, find the distribution. If none is found matching the name,
return None. If name is not provided and there is unambiguously a single
distribution, return that distribution otherwise None.
"""
# Monkeypatch pkg_resources finders should it not already be so.
register_finders()
if name is None:
distributions = set(find_distributions(path))
if len(distributions) == 1:
return distributions.pop()
else:
for dist in find_distributions(path):
if dist.project_name == name:
return dist
def find_wheels_on_path(importer, path_item, only=False):
if not os.path.isdir(path_item) or not os.access(path_item, os.R_OK):
return
if not only:
for entry in os.listdir(path_item):
if entry.lower().endswith('.whl'):
for dist in pkg_resources.find_distributions(os.path.join(path_item, entry)):
yield dist
def distribution_from_path(cls, path, name=None):
"""Return a distribution from a path.
If name is provided, find the distribution. If none is found matching the name,
return None. If name is not provided and there is unambiguously a single
distribution, return that distribution otherwise None.
"""
# Monkeypatch pkg_resources finders should it not already be so.
register_finders()
if name is None:
distributions = set(find_distributions(path))
if len(distributions) == 1:
return distributions.pop()
else:
for dist in find_distributions(path):
if dist.project_name == name:
return dist
def find_wheels_on_path(importer, path_item, only=False):
if not os.path.isdir(path_item) or not os.access(path_item, os.R_OK):
return
if not only:
for entry in os.listdir(path_item):
if entry.lower().endswith('.whl'):
for dist in pkg_resources.find_distributions(
os.path.join(path_item, entry)):
yield dist
def load_internal_cache(cls, pex, pex_info):
"""Possibly cache out the internal cache."""
internal_cache = os.path.join(pex, pex_info.internal_cache)
with TRACER.timed('Searching dependency cache: %s' % internal_cache, V=2):
if os.path.isdir(pex):
for dist in find_distributions(internal_cache):
yield dist
else:
for dist in itertools.chain(*cls.write_zipped_internal_cache(pex, pex_info)):
yield dist
def load_internal_cache(cls, pex, pex_info):
"""Possibly cache out the internal cache."""
internal_cache = os.path.join(pex, pex_info.internal_cache)
with TRACER.timed('Searching dependency cache: %s' % internal_cache, V=2):
if os.path.isdir(pex):
for dist in find_distributions(internal_cache):
yield dist
else:
for dist in itertools.chain(*cls.write_zipped_internal_cache(pex, pex_info)):
yield dist
def scan_egg_link(self, path, entry):
with open(os.path.join(path, entry)) as raw_lines:
# filter non-empty lines
lines = list(filter(None, map(str.strip, raw_lines)))
if len(lines) != 2:
# format is not recognized; punt
return
egg_path, setup_path = lines
for dist in find_distributions(os.path.join(path, egg_path)):
dist.location = os.path.join(path, *lines)
dist.precedence = SOURCE_DIST
self.add(dist)
def all_distribution_paths(path):
locations = set(dist.location for dist in find_distributions(path))
return set([path]) | locations | set(
os.path.realpath(path) for path in locations)
def all_distribution_paths(path): locations = set(dist.location for dist in find_distributions(path)) return set([path]) | locations | set(os.path.realpath(path) for path in locations)
