248 lines
9.1 KiB
Python
248 lines
9.1 KiB
Python
from __future__ import absolute_import
|
|
|
|
import collections
|
|
import logging
|
|
import os
|
|
import re
|
|
|
|
from pip._vendor import six
|
|
from pip._vendor.packaging.utils import canonicalize_name
|
|
from pip._vendor.pkg_resources import RequirementParseError
|
|
|
|
from pip._internal.exceptions import BadCommand, InstallationError
|
|
from pip._internal.req.constructors import (
|
|
install_req_from_editable, install_req_from_line,
|
|
)
|
|
from pip._internal.req.req_file import COMMENT_RE
|
|
from pip._internal.utils.misc import (
|
|
dist_is_editable, get_installed_distributions,
|
|
)
|
|
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
|
|
|
|
if MYPY_CHECK_RUNNING:
|
|
from typing import ( # noqa: F401
|
|
Iterator, Optional, List, Container, Set, Dict, Tuple, Iterable, Union
|
|
)
|
|
from pip._internal.cache import WheelCache # noqa: F401
|
|
from pip._vendor.pkg_resources import ( # noqa: F401
|
|
Distribution, Requirement
|
|
)
|
|
|
|
RequirementInfo = Tuple[Optional[Union[str, Requirement]], bool, List[str]]
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def freeze(
|
|
requirement=None, # type: Optional[List[str]]
|
|
find_links=None, # type: Optional[List[str]]
|
|
local_only=None, # type: Optional[bool]
|
|
user_only=None, # type: Optional[bool]
|
|
skip_regex=None, # type: Optional[str]
|
|
isolated=False, # type: bool
|
|
wheel_cache=None, # type: Optional[WheelCache]
|
|
exclude_editable=False, # type: bool
|
|
skip=() # type: Container[str]
|
|
):
|
|
# type: (...) -> Iterator[str]
|
|
find_links = find_links or []
|
|
skip_match = None
|
|
|
|
if skip_regex:
|
|
skip_match = re.compile(skip_regex).search
|
|
|
|
for link in find_links:
|
|
yield '-f %s' % link
|
|
installations = {} # type: Dict[str, FrozenRequirement]
|
|
for dist in get_installed_distributions(local_only=local_only,
|
|
skip=(),
|
|
user_only=user_only):
|
|
try:
|
|
req = FrozenRequirement.from_dist(dist)
|
|
except RequirementParseError:
|
|
logger.warning(
|
|
"Could not parse requirement: %s",
|
|
dist.project_name
|
|
)
|
|
continue
|
|
if exclude_editable and req.editable:
|
|
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() # type: Set[str]
|
|
# keep track of which files a requirement is in so that we can
|
|
# give an accurate warning if a requirement appears multiple times.
|
|
req_files = collections.defaultdict(list) # type: Dict[str, List[str]]
|
|
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 = install_req_from_editable(
|
|
line,
|
|
isolated=isolated,
|
|
wheel_cache=wheel_cache,
|
|
)
|
|
else:
|
|
line_req = install_req_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:
|
|
# either it's not installed, or it is installed
|
|
# but has been processed already
|
|
if not req_files[line_req.name]:
|
|
logger.warning(
|
|
"Requirement file [%s] contains %s, but "
|
|
"package %r is not installed",
|
|
req_file_path,
|
|
COMMENT_RE.sub('', line).strip(), line_req.name
|
|
)
|
|
else:
|
|
req_files[line_req.name].append(req_file_path)
|
|
else:
|
|
yield str(installations[line_req.name]).rstrip()
|
|
del installations[line_req.name]
|
|
req_files[line_req.name].append(req_file_path)
|
|
|
|
# Warn about requirements that were included multiple times (in a
|
|
# single requirements file or in different requirements files).
|
|
for name, files in six.iteritems(req_files):
|
|
if len(files) > 1:
|
|
logger.warning("Requirement %s included multiple times [%s]",
|
|
name, ', '.join(sorted(set(files))))
|
|
|
|
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()
|
|
|
|
|
|
def get_requirement_info(dist):
|
|
# type: (Distribution) -> RequirementInfo
|
|
"""
|
|
Compute and return values (req, editable, comments) for use in
|
|
FrozenRequirement.from_dist().
|
|
"""
|
|
if not dist_is_editable(dist):
|
|
return (None, False, [])
|
|
|
|
location = os.path.normcase(os.path.abspath(dist.location))
|
|
|
|
from pip._internal.vcs import vcs, RemoteNotFoundError
|
|
vc_type = vcs.get_backend_type(location)
|
|
|
|
if not vc_type:
|
|
req = dist.as_requirement()
|
|
logger.debug(
|
|
'No VCS found for editable requirement {!r} in: {!r}', req,
|
|
location,
|
|
)
|
|
comments = [
|
|
'# Editable install with no version control ({})'.format(req)
|
|
]
|
|
return (location, True, comments)
|
|
|
|
try:
|
|
req = vc_type.get_src_requirement(location, dist.project_name)
|
|
except RemoteNotFoundError:
|
|
req = dist.as_requirement()
|
|
comments = [
|
|
'# Editable {} install with no remote ({})'.format(
|
|
vc_type.__name__, req,
|
|
)
|
|
]
|
|
return (location, True, comments)
|
|
|
|
except BadCommand:
|
|
logger.warning(
|
|
'cannot determine version of editable source in %s '
|
|
'(%s command not found in path)',
|
|
location,
|
|
vc_type.name,
|
|
)
|
|
return (None, True, [])
|
|
|
|
except InstallationError as exc:
|
|
logger.warning(
|
|
"Error when trying to get requirement for VCS system %s, "
|
|
"falling back to uneditable format", exc
|
|
)
|
|
else:
|
|
if req is not None:
|
|
return (req, True, [])
|
|
|
|
logger.warning(
|
|
'Could not determine repository location of %s', location
|
|
)
|
|
comments = ['## !! Could not determine repository location']
|
|
|
|
return (None, False, comments)
|
|
|
|
|
|
class FrozenRequirement(object):
|
|
def __init__(self, name, req, editable, comments=()):
|
|
# type: (str, Union[str, Requirement], bool, Iterable[str]) -> None
|
|
self.name = name
|
|
self.req = req
|
|
self.editable = editable
|
|
self.comments = comments
|
|
|
|
@classmethod
|
|
def from_dist(cls, dist):
|
|
# type: (Distribution) -> FrozenRequirement
|
|
req, editable, comments = get_requirement_info(dist)
|
|
if req is None:
|
|
req = dist.as_requirement()
|
|
|
|
return cls(dist.project_name, req, editable, comments=comments)
|
|
|
|
def __str__(self):
|
|
req = self.req
|
|
if self.editable:
|
|
req = '-e %s' % req
|
|
return '\n'.join(list(self.comments) + [str(req)]) + '\n'
|