def run_egg_info(self):
assert self.source_dir
if self.name:
logger.debug(
'Running setup.py (path:%s) egg_info for package %s',
self.setup_py,
self.name,
)
else:
logger.debug(
'Running setup.py (path:%s) egg_info for package from %s',
self.setup_py,
self.link,
)
with indent_log():
script = SETUPTOOLS_SHIM % self.setup_py
base_cmd = [os.environ['PIP_PYTHON_PATH'], '-c', script]
if self.isolated:
base_cmd += ["--no-user-cfg"]
egg_info_cmd = base_cmd + ['egg_info']
# We can't put the .egg-info files at the root, because then the
# source code will be mistaken for an installed egg, causing
# problems
if self.editable:
egg_base_option = []
else:
egg_info_dir = os.path.join(self.setup_py_dir, 'pip-egg-info')
ensure_dir(egg_info_dir)
egg_base_option = ['--egg-base', 'pip-egg-info']
call_subprocess(egg_info_cmd + egg_base_option,
cwd=self.setup_py_dir,
show_stdout=False,
command_desc='python setup.py egg_info')
if not self.req:
if isinstance(parse_version(self.pkg_info()["Version"]), Version):
op = "=="
else:
op = "==="
self.req = Requirement("".join([
self.pkg_info()["Name"],
op,
self.pkg_info()["Version"],
]))
self._correct_build_location()
else:
metadata_name = canonicalize_name(self.pkg_info()["Name"])
if canonicalize_name(self.req.name) != metadata_name:
logger.warning(
'Running setup.py (path:%s) egg_info for package %s '
'produced metadata for project name %s. Fix your '
'#egg=%s fragments.', self.setup_py, self.name,
metadata_name, self.name)
self.req = Requirement(metadata_name)
def get_git_version(self):
VERSION_PFX = 'git version '
version = self.run_command(['version'], show_stdout=False)
if version.startswith(VERSION_PFX):
version = version[len(VERSION_PFX):]
else:
version = ''
# get first 3 positions of the git version becasue
# on windows it is x.y.z.windows.t, and this parses as
# LegacyVersion which always smaller than a Version.
version = '.'.join(version.split('.')[:3])
return parse_version(version)
def update(self, dest, rev_options):
# First fetch changes from the default remote
if self.get_git_version() >= parse_version('1.9.0'):
# fetch tags in addition to everything else
self.run_command(['fetch', '-q', '--tags'], cwd=dest)
else:
self.run_command(['fetch', '-q'], cwd=dest)
# Then reset to wanted revision (maybe even origin/master)
if rev_options:
rev_options = self.check_rev_options(
rev_options[0],
dest,
rev_options,
)
self.run_command(['reset', '--hard', '-q'] + rev_options, cwd=dest)
#: update submodules
self.update_submodules(dest)
def __init__(self, project, version, location, requires_python=''):
self.project = project
self.version = parse_version(version)
self.location = location
self._key = (self.project, self.version, self.location)
self.requires_python = requires_python
def find_requirement(self, req, upgrade, ignore_compatibility=False):
"""Try to find a Link matching req
Expects req, an InstallRequirement and upgrade, a boolean
Returns a Link if found,
Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise
"""
all_candidates = self.find_all_candidates(req.name)
# Filter out anything which doesn't match our specifier
if not ignore_compatibility:
compatible_versions = set(
req.specifier.filter(
# We turn the version object into a str here because otherwise
# when we're debundled but setuptools isn't, Python will see
# packaging.version.Version and
# pkg_resources._vendor.packaging.version.Version as different
# types. This way we'll use a str as a common data interchange
# format. If we stop using the pkg_resources provided specifier
# and start using our own, we can drop the cast to str().
[str(c.version) for c in all_candidates],
prereleases=(
self.allow_all_prereleases
if self.allow_all_prereleases else None
),
)
)
else:
compatible_versions = [str(c.version) for c in all_candidates]
applicable_candidates = [
# Again, converting to str to deal with debundling.
c for c in all_candidates if str(c.version) in compatible_versions
]
if applicable_candidates:
best_candidate = max(applicable_candidates,
key=self._candidate_sort_key)
else:
best_candidate = None
if req.satisfied_by is not None:
installed_version = parse_version(req.satisfied_by.version)
else:
installed_version = None
if installed_version is None and best_candidate is None:
logger.critical(
'Could not find a version that satisfies the requirement %s '
'(from versions: %s)',
req,
', '.join(
sorted(
set(str(c.version) for c in all_candidates),
key=parse_version,
)
)
)
raise DistributionNotFound(
'No matching distribution found for %s' % req
)
best_installed = False
if installed_version and (
best_candidate is None or
best_candidate.version <= installed_version):
best_installed = True
if not upgrade and installed_version is not None:
if best_installed:
logger.debug(
'Existing installed version (%s) is most up-to-date and '
'satisfies requirement',
installed_version,
)
else:
logger.debug(
'Existing installed version (%s) satisfies requirement '
'(most up-to-date version is %s)',
installed_version,
best_candidate.version,
)
return None
if best_installed:
# We have an existing version, and its the best version
logger.debug(
'Installed version (%s) is most up-to-date (past versions: '
'%s)',
installed_version,
', '.join(sorted(compatible_versions, key=parse_version)) or
"none",
)
raise BestVersionAlreadyInstalled
logger.debug(
'Using version %s (newest of versions: %s)',
best_candidate.version,
', '.join(sorted(compatible_versions, key=parse_version))
)
return best_candidate.location
def __init__(self, project, version, location):
self.project = project
self.version = parse_version(version)
self.location = location
self._key = (self.project, self.version, self.location)
