def scandir(path):
try:
return _scandir(path)
# fallback for systems where sys.getfilesystemencoding() returns the "wrong" value
except UnicodeDecodeError:
return scandir_listdir_fallback(path)
def scandir(path, force_listdir=False):
if _scandir is not None and not force_listdir:
for item in _scandir(path):
yield item
else:
for item in os.listdir(path):
fullpath = os.path.join(path, item)
yield fake_DirEntry(fullpath)
def get_python_package_entry_point(package, entry_point):
"""
Find an CLI entry point from a Python package.
Args:
package (str): Package name.
entry_point (str): Entry point name.
Returns:
str or None: Path to entry point, or None if nothing found.
"""
site_packages_path = _dirname(_import_module(package).__path__[0])
# Find package info
# Can be a directory ending by ".dist-info" or ".egg-info"
with _scandir(site_packages_path) as entries:
for entry in entries:
if (entry.name.startswith(f'{package}-') and
_splitext(entry.name)[1] in ('.dist-info', '.egg-info')):
package_info_path = entry.path
break
else:
# Package is not installed or do not have package info
return None
# Find manifest file
# Can be a "RECORD" or a "installed-files.txt" file in package info folder
for name in ('RECORD', 'installed-files.txt'):
manifest_path = _join(package_info_path, name)
if _isfile(manifest_path):
break
else:
# Package do not have manifest file
return None
# Find entry point relative path in manifest file
# Possibles manifest file lines formats: "path\n" or "path,checksum\n"
with open(manifest_path, 'rt') as manifest:
for line in manifest:
entry_point_rel_path = line.strip().split(',', 1)[0]
if _basename(entry_point_rel_path) == entry_point:
break
else:
# Entry point is not present in manifest
return None
# Convert to absolute path
# Paths in manifest are relative to site-packages or package info
for prefix in (site_packages_path, package_info_path):
entry_point_path = _realpath(_join(prefix, entry_point_rel_path))
if _isfile(entry_point_path):
return entry_point_path