| Current Path : /opt/rh/rh-python35/root/lib/python3.5/site-packages/pip/operations/ |
Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //opt/rh/rh-python35/root/lib/python3.5/site-packages/pip/operations/freeze.py |
from __future__ import absolute_import
import logging
import re
import pip
from pip.compat import stdlib_pkgs
from pip.req import InstallRequirement
from pip.utils import get_installed_distributions
from pip._vendor import pkg_resources
logger = logging.getLogger(__name__)
# packages to exclude from freeze output
freeze_excludes = stdlib_pkgs + ['setuptools', 'pip', 'distribute']
def freeze(
requirement=None,
find_links=None, local_only=None, user_only=None, skip_regex=None,
find_tags=False,
default_vcs=None,
isolated=False,
wheel_cache=None):
find_links = find_links or []
skip_match = None
if skip_regex:
skip_match = re.compile(skip_regex)
dependency_links = []
for dist in pkg_resources.working_set:
if dist.has_metadata('dependency_links.txt'):
dependency_links.extend(
dist.get_metadata_lines('dependency_links.txt')
)
for link in find_links:
if '#egg=' in link:
dependency_links.append(link)
for link in find_links:
yield '-f %s' % link
installations = {}
for dist in get_installed_distributions(local_only=local_only,
skip=freeze_excludes,
user_only=user_only):
req = pip.FrozenRequirement.from_dist(
dist,
dependency_links,
find_tags=find_tags,
)
installations[req.name] = req
if requirement:
with open(requirement) as req_file:
for line in req_file:
if (not line.strip() or
line.strip().startswith('#') or
(skip_match and skip_match.search(line)) or
line.startswith((
'-r', '--requirement',
'-Z', '--always-unzip',
'-f', '--find-links',
'-i', '--index-url',
'--extra-index-url'))):
yield line.rstrip()
continue
if line.startswith('-e') or line.startswith('--editable'):
if line.startswith('-e'):
line = line[2:].strip()
else:
line = line[len('--editable'):].strip().lstrip('=')
line_req = InstallRequirement.from_editable(
line,
default_vcs=default_vcs,
isolated=isolated,
wheel_cache=wheel_cache,
)
else:
line_req = InstallRequirement.from_line(
line,
isolated=isolated,
wheel_cache=wheel_cache,
)
if not line_req.name:
logger.info(
"Skipping line because it's not clear what it "
"would install: %s",
line.strip(),
)
logger.info(
" (add #egg=PackageName to the URL to avoid"
" this warning)"
)
elif line_req.name not in installations:
logger.warning(
"Requirement file contains %s, but that package is"
" not installed",
line.strip(),
)
else:
yield str(installations[line_req.name]).rstrip()
del installations[line_req.name]
yield(
'## The following requirements were added by '
'pip freeze:'
)
for installation in sorted(
installations.values(), key=lambda x: x.name.lower()):
yield str(installation).rstrip()