133 lines
5.1 KiB
Python
133 lines
5.1 KiB
Python
|
from __future__ import absolute_import
|
||
|
|
|
||
|
|
import logging
|
||
|
|
import re
|
||
|
|
|
||
|
|
import pip
|
||
|
|
from pip.req import InstallRequirement
|
||
|
|
from pip.req.req_file import COMMENT_RE
|
||
|
|
from pip.utils import get_installed_distributions
|
||
|
|
from pip._vendor import pkg_resources
|
||
|
|
from pip._vendor.packaging.utils import canonicalize_name
|
||
|
|
from pip._vendor.pkg_resources import RequirementParseError
|
||
|
|
|
||
|
|
|
||
|
|
logger = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
def freeze(
|
||
|
|
requirement=None,
|
||
|
|
find_links=None, local_only=None, user_only=None, skip_regex=None,
|
||
|
|
default_vcs=None,
|
||
|
|
isolated=False,
|
||
|
|
wheel_cache=None,
|
||
|
|
skip=()):
|
||
|
|
find_links = find_links or []
|
||
|
|
skip_match = None
|
||
|
|
|
||
|
|
if skip_regex:
|
||
|
|
skip_match = re.compile(skip_regex).search
|
||
|
|
|
||
|
|
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=(),
|
||
|
|
user_only=user_only):
|
||
|
|
try:
|
||
|
|
req = pip.FrozenRequirement.from_dist(
|
||
|
|
dist,
|
||
|
|
dependency_links
|
||
|
|
)
|
||
|
|
except RequirementParseError:
|
||
|
|
logger.warning(
|
||
|
|
"Could not parse requirement: %s",
|
||
|
|
dist.project_name
|
||
|
|
)
|
||
|
|
continue
|
||
|
|
installations[req.name] = req
|
||
|
|
|
||
|
|
if requirement:
|
||
|
|
# the options that don't get turned into an InstallRequirement
|
||
|
|
# should only be emitted once, even if the same option is in multiple
|
||
|
|
# requirements files, so we need to keep track of what has been emitted
|
||
|
|
# so that we don't emit it again if it's seen again
|
||
|
|
emitted_options = set()
|
||
|
|
for req_file_path in requirement:
|
||
|
|
with open(req_file_path) as req_file:
|
||
|
|
for line in req_file:
|
||
|
|
if (not line.strip() or
|
||
|
|
line.strip().startswith('#') or
|
||
|
|
(skip_match and skip_match(line)) or
|
||
|
|
line.startswith((
|
||
|
|
'-r', '--requirement',
|
||
|
|
'-Z', '--always-unzip',
|
||
|
|
'-f', '--find-links',
|
||
|
|
'-i', '--index-url',
|
||
|
|
'--pre',
|
||
|
|
'--trusted-host',
|
||
|
|
'--process-dependency-links',
|
||
|
|
'--extra-index-url'))):
|
||
|
|
line = line.rstrip()
|
||
|
|
if line not in emitted_options:
|
||
|
|
emitted_options.add(line)
|
||
|
|
yield line
|
||
|
|
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(
|
||
|
|
COMMENT_RE.sub('', line).strip(),
|
||
|
|
isolated=isolated,
|
||
|
|
wheel_cache=wheel_cache,
|
||
|
|
)
|
||
|
|
|
||
|
|
if not line_req.name:
|
||
|
|
logger.info(
|
||
|
|
"Skipping line in requirement file [%s] because "
|
||
|
|
"it's not clear what it would install: %s",
|
||
|
|
req_file_path, 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 [%s] contains %s, but that "
|
||
|
|
"package is not installed",
|
||
|
|
req_file_path, COMMENT_RE.sub('', 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()):
|
||
|
|
if canonicalize_name(installation.name) not in skip:
|
||
|
|
yield str(installation).rstrip()
|