def get_info(self, location):
"""Returns (url, revision), where both are strings"""
assert not location.rstrip('/').endswith(self.dirname), \
'Bad directory: %s' % location
output = self.run_command(
['info', location],
show_stdout=False,
extra_environ={'LANG': 'C'},
)
match = _svn_url_re.search(output)
if not match:
logger.warning(
'Cannot determine URL of svn checkout %s',
display_path(location),
)
logger.debug('Output that cannot be parsed: \n%s', output)
return None, None
url = match.group(1).strip()
match = _svn_revision_re.search(output)
if not match:
logger.warning(
'Cannot determine revision of svn checkout %s',
display_path(location),
)
logger.debug('Output that cannot be parsed: \n%s', output)
return url, None
return url, match.group(1)
def get_info(self, location):
"""Returns (url, revision), where both are strings"""
assert not location.rstrip('/').endswith(self.dirname), \
'Bad directory: %s' % location
output = self.run_command(
['info', location],
show_stdout=False,
extra_environ={'LANG': 'C'},
)
match = _svn_url_re.search(output)
if not match:
logger.warning(
'Cannot determine URL of svn checkout %s',
display_path(location),
)
logger.debug('Output that cannot be parsed: \n%s', output)
return None, None
url = match.group(1).strip()
match = _svn_revision_re.search(output)
if not match:
logger.warning(
'Cannot determine revision of svn checkout %s',
display_path(location),
)
logger.debug('Output that cannot be parsed: \n%s', output)
return url, None
return url, match.group(1)
def _correct_build_location(self):
"""Move self._temp_build_dir to self._ideal_build_dir/self.req.name
For some requirements (e.g. a path to a directory), the name of the
package is not available until we run egg_info, so the build_location
will return a temporary directory and store the _ideal_build_dir.
This is only called by self.egg_info_path to fix the temporary build
directory.
"""
if self.source_dir is not None:
return
assert self.req is not None
assert self._temp_build_dir.path
assert self._ideal_build_dir.path
old_location = self._temp_build_dir.path
self._temp_build_dir.path = None
new_location = self.build_location(self._ideal_build_dir)
if os.path.exists(new_location):
raise InstallationError(
'A package already exists in %s; please remove it to continue'
% display_path(new_location))
logger.debug(
'Moving package %s from %s to new location %s',
self, display_path(old_location), display_path(new_location),
)
shutil.move(old_location, new_location)
self._temp_build_dir.path = new_location
self._ideal_build_dir = None
self.source_dir = os.path.normpath(os.path.abspath(new_location))
self._egg_info_path = None
def _copy_file(filename, location, link):
copy = True
download_location = os.path.join(location, link.filename)
if os.path.exists(download_location):
response = ask_path_exists(
'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)abort' %
display_path(download_location), ('i', 'w', 'b', 'a'))
if response == 'i':
copy = False
elif response == 'w':
logger.warning('Deleting %s', display_path(download_location))
os.remove(download_location)
elif response == 'b':
dest_file = backup_dir(download_location)
logger.warning(
'Backing up %s to %s',
display_path(download_location),
display_path(dest_file),
)
shutil.move(download_location, dest_file)
elif response == 'a':
sys.exit(-1)
if copy:
shutil.copy(filename, download_location)
logger.info('Saved %s', display_path(download_location))
def _copy_file(filename, location, link):
copy = True
download_location = os.path.join(location, link.filename)
if os.path.exists(download_location):
response = ask_path_exists(
'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)abort' %
display_path(download_location), ('i', 'w', 'b', 'a'))
if response == 'i':
copy = False
elif response == 'w':
logger.warning('Deleting %s', display_path(download_location))
os.remove(download_location)
elif response == 'b':
dest_file = backup_dir(download_location)
logger.warning(
'Backing up %s to %s',
display_path(download_location),
display_path(dest_file),
)
shutil.move(download_location, dest_file)
elif response == 'a':
sys.exit(-1)
if copy:
shutil.copy(filename, download_location)
logger.info('Saved %s', display_path(download_location))
def move_to_correct_build_directory(self):
# type: () -> None
"""Move self._temp_build_dir to "self._ideal_build_dir/self.req.name"
For some requirements (e.g. a path to a directory), the name of the
package is not available until we run egg_info, so the build_location
will return a temporary directory and store the _ideal_build_dir.
This is only called to "fix" the build directory after generating
metadata.
"""
if self.source_dir is not None:
return
assert self.req is not None
assert self._temp_build_dir
assert (
self._ideal_build_dir is not None and
self._ideal_build_dir.path # type: ignore
)
old_location = self._temp_build_dir
self._temp_build_dir = None # checked inside ensure_build_location
# Figure out the correct place to put the files.
new_location = self.ensure_build_location(self._ideal_build_dir)
if os.path.exists(new_location):
raise InstallationError(
'A package already exists in %s; please remove it to continue'
% display_path(new_location)
)
# Move the files to the correct location.
logger.debug(
'Moving package %s from %s to new location %s',
self, display_path(old_location.path), display_path(new_location),
)
shutil.move(old_location.path, new_location)
# Update directory-tracking variables, to be in line with new_location
self.source_dir = os.path.normpath(os.path.abspath(new_location))
self._temp_build_dir = TempDirectory(
path=new_location, kind="req-install",
)
# Correct the metadata directory, if it exists
if self.metadata_directory:
old_meta = self.metadata_directory
rel = os.path.relpath(old_meta, start=old_location.path)
new_meta = os.path.join(new_location, rel)
new_meta = os.path.normpath(os.path.abspath(new_meta))
self.metadata_directory = new_meta
# Done with any "move built files" work, since have moved files to the
# "ideal" build location. Setting to None allows to clearly flag that
# no more moves are needed.
self._ideal_build_dir = None
def archive(self, build_dir):
# type: (str) -> None
assert self.source_dir
create_archive = True
archive_name = '%s-%s.zip' % (self.name, self.metadata["version"])
archive_path = os.path.join(build_dir, archive_name)
if os.path.exists(archive_path):
response = ask_path_exists(
'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)bort ' %
display_path(archive_path), ('i', 'w', 'b', 'a'))
if response == 'i':
create_archive = False
elif response == 'w':
logger.warning('Deleting %s', display_path(archive_path))
os.remove(archive_path)
elif response == 'b':
dest_file = backup_dir(archive_path)
logger.warning(
'Backing up %s to %s',
display_path(archive_path),
display_path(dest_file),
)
shutil.move(archive_path, dest_file)
elif response == 'a':
sys.exit(-1)
if create_archive:
zip = zipfile.ZipFile(
archive_path, 'w', zipfile.ZIP_DEFLATED,
allowZip64=True
)
dir = os.path.normcase(os.path.abspath(self.setup_py_dir))
for dirpath, dirnames, filenames in os.walk(dir):
if 'pip-egg-info' in dirnames:
dirnames.remove('pip-egg-info')
for dirname in dirnames:
dir_arcname = self._get_archive_name(dirname,
parentdir=dirpath,
rootdir=dir)
zipdir = zipfile.ZipInfo(dir_arcname + '/')
zipdir.external_attr = 0x1ED << 16 # 0o755
zip.writestr(zipdir, '')
for filename in filenames:
if filename == PIP_DELETE_MARKER_FILENAME:
continue
file_arcname = self._get_archive_name(filename,
parentdir=dirpath,
rootdir=dir)
filename = os.path.join(dirpath, filename)
zip.write(filename, file_arcname)
zip.close()
logger.info('Saved %s', display_path(archive_path))
def fetch_new(self, dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Cloning %s%s to %s', url, rev_display, display_path(dest),
)
self.run_command(['clone', '-q', url, dest])
if rev_options.rev:
# Then a specific revision was requested.
rev_options = self.resolve_revision(dest, url, rev_options)
branch_name = getattr(rev_options, 'branch_name', None)
if branch_name is None:
# Only do a checkout if the current commit id doesn't match
# the requested revision.
if not self.is_commit_id_equal(dest, rev_options.rev):
cmd_args = ['checkout', '-q'] + rev_options.to_args()
self.run_command(cmd_args, cwd=dest)
elif self.get_branch(dest) != branch_name:
# Then a specific branch was requested, and that branch
# is not yet checked out.
track_branch = 'origin/{}'.format(branch_name)
cmd_args = [
'checkout', '-b', branch_name, '--track', track_branch,
]
self.run_command(cmd_args, cwd=dest)
#: repo may contain submodules
self.update_submodules(dest)
def obtain(self, dest):
url, rev = self.get_url_rev()
rev_options = self.make_rev_options(rev)
if self.check_destination(dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Cloning %s%s to %s', url, rev_display, display_path(dest),
)
self.run_command(['clone', '-q', url, dest])
if rev:
rev_options = self.check_rev_options(dest, rev_options)
# Only do a checkout if the current commit id doesn't match
# the requested revision.
if not self.is_commit_id_equal(dest, rev_options.rev):
rev = rev_options.rev
# Only fetch the revision if it's a ref
if rev.startswith('refs/'):
self.run_command(
['fetch', '-q', url] + rev_options.to_args(),
cwd=dest,
)
# Change the revision to the SHA of the ref we fetched
rev = 'FETCH_HEAD'
self.run_command(['checkout', '-q', rev], cwd=dest)
#: repo may contain submodules
self.update_submodules(dest)
def save_linked_requirement(self, req: InstallRequirement) -> None:
assert self.download_dir is not None
assert req.link is not None
link = req.link
if link.is_vcs or (link.is_existing_dir() and req.editable):
# Make a .zip of the source_dir we already created.
req.archive(self.download_dir)
return
if link.is_existing_dir():
logger.debug(
"Not copying link to destination directory "
"since it is a directory: %s",
link,
)
return
if req.local_file_path is None:
# No distribution was downloaded for this requirement.
return
download_location = os.path.join(self.download_dir, link.filename)
if not os.path.exists(download_location):
shutil.copy(req.local_file_path, download_location)
download_path = display_path(download_location)
logger.info("Saved %s", download_path)
def get_metadata(dist):
# type: (Distribution) -> Message
"""
:raises NoneMetadataError: if the distribution reports `has_metadata()`
True but `get_metadata()` returns None.
"""
metadata_name = 'METADATA'
if (isinstance(dist, pkg_resources.DistInfoDistribution)
and dist.has_metadata(metadata_name)):
metadata = dist.get_metadata(metadata_name)
elif dist.has_metadata('PKG-INFO'):
metadata_name = 'PKG-INFO'
metadata = dist.get_metadata(metadata_name)
else:
logger.warning("No metadata found in %s", display_path(dist.location))
metadata = ''
if metadata is None:
raise NoneMetadataError(dist, metadata_name)
feed_parser = FeedParser()
# The following line errors out if with a "NoneType" TypeError if
# passed metadata=None.
feed_parser.feed(metadata)
return feed_parser.close()
def fetch_new(self, dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Cloning %s%s to %s',
url,
rev_display,
display_path(dest),
)
self.run_command(['clone', '-q', url, dest])
if rev_options.rev:
# Then a specific revision was requested.
rev_options = self.check_rev_options(dest, rev_options)
# Only do a checkout if the current commit id doesn't match
# the requested revision.
if not self.is_commit_id_equal(dest, rev_options.rev):
rev = rev_options.rev
# Only fetch the revision if it's a ref
if rev.startswith('refs/'):
self.run_command(
['fetch', '-q', url] + rev_options.to_args(),
cwd=dest,
)
# Change the revision to the SHA of the ref we fetched
rev = 'FETCH_HEAD'
self.run_command(['checkout', '-q', rev], cwd=dest)
#: repo may contain submodules
self.update_submodules(dest)
def pkg_info(self):
p = FeedParser()
data = self.egg_info_data('PKG-INFO')
if not data:
logger.warning(
'No PKG-INFO file found in %s',
display_path(self.egg_info_path('PKG-INFO')),
)
p.feed(data or '')
return p.close()
def fetch_new(self, dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Checking out %s%s to %s',
url,
rev_display,
display_path(dest),
)
cmd_args = ['branch', '-q'] + rev_options.to_args() + [url, dest]
self.run_command(cmd_args)
def fetch_new(self, dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Cloning hg %s%s to %s',
url,
rev_display,
display_path(dest),
)
self.run_command(['clone', '--noupdate', '-q', url, dest])
cmd_args = ['update', '-q'] + rev_options.to_args()
self.run_command(cmd_args, cwd=dest)
def _download_should_save(self):
# TODO: Modify to reduce indentation needed
if self.download_dir:
self.download_dir = expanduser(self.download_dir)
if os.path.exists(self.download_dir):
return True
else:
logger.critical('Could not find download directory')
raise InstallationError(
"Could not find or access download directory '%s'"
% display_path(self.download_dir))
return False
def _download_should_save(self):
# TODO: Modify to reduce indentation needed
if self.download_dir:
self.download_dir = expanduser(self.download_dir)
if os.path.exists(self.download_dir):
return True
else:
logger.critical('Could not find download directory')
raise InstallationError(
"Could not find or access download directory '%s'" %
display_path(self.download_dir))
return False
def fetch_new(self, dest, url, rev_options):
# type: (str, HiddenText, RevOptions) -> None
rev_display = rev_options.to_display()
logger.info(
'Checking out %s%s to %s',
url,
rev_display,
display_path(dest),
)
cmd_args = (make_command('branch', '-q', rev_options.to_args(), url,
dest))
self.run_command(cmd_args)
def _download_should_save(self):
# type: () -> bool
if not self.download_dir:
return False
if os.path.exists(self.download_dir):
return True
logger.critical('Could not find download directory')
raise InstallationError(
"Could not find or access download directory '%s'" %
display_path(self.download_dir))
def get_metadata(dist):
if (isinstance(dist, pkg_resources.DistInfoDistribution)
and dist.has_metadata('METADATA')):
metadata = dist.get_metadata('METADATA')
elif dist.has_metadata('PKG-INFO'):
metadata = dist.get_metadata('PKG-INFO')
else:
logger.warning("No metadata found in %s", display_path(dist.location))
metadata = ''
feed_parser = FeedParser()
feed_parser.feed(metadata)
return feed_parser.close()
def obtain(self, dest):
url, rev = self.get_url_rev()
rev_options = self.make_rev_options(rev)
if self.check_destination(dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Checking out %s%s to %s',
url,
rev_display,
display_path(dest),
)
cmd_args = ['branch', '-q'] + rev_options.to_args() + [url, dest]
self.run_command(cmd_args)
def obtain(self, dest):
url, rev = self.get_url_rev()
rev_options = self.make_rev_options(rev)
if self.check_destination(dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Checking out %s%s to %s',
url,
rev_display,
display_path(dest),
)
cmd_args = ['branch', '-q'] + rev_options.to_args() + [url, dest]
self.run_command(cmd_args)
def obtain(self, dest):
url, rev = self.get_url_rev()
rev_options = self.make_rev_options(rev)
if self.check_destination(dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Cloning hg %s%s to %s',
url,
rev_display,
display_path(dest),
)
self.run_command(['clone', '--noupdate', '-q', url, dest])
cmd_args = ['update', '-q'] + rev_options.to_args()
self.run_command(cmd_args, cwd=dest)
def obtain(self, dest):
url, rev = self.get_url_rev()
rev_options = get_rev_options(self, url, rev)
url = self.remove_auth_from_url(url)
if self.check_destination(dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Checking out %s%s to %s',
url,
rev_display,
display_path(dest),
)
cmd_args = ['checkout', '-q'] + rev_options.to_args() + [url, dest]
self.run_command(cmd_args)
def fetch_new(self, dest, url, rev_options):
# type: (str, HiddenText, RevOptions) -> None
rev_display = rev_options.to_display()
logger.info(
'Cloning hg %s%s to %s',
url,
rev_display,
display_path(dest),
)
self.run_command(make_command('clone', '--noupdate', '-q', url, dest))
self.run_command(
make_command('update', '-q', rev_options.to_args()),
cwd=dest,
)
def obtain(self, dest):
url, rev = self.get_url_rev()
rev_options = get_rev_options(self, url, rev)
url = self.remove_auth_from_url(url)
if self.check_destination(dest, url, rev_options):
rev_display = rev_options.to_display()
logger.info(
'Checking out %s%s to %s',
url,
rev_display,
display_path(dest),
)
cmd_args = ['checkout', '-q'] + rev_options.to_args() + [url, dest]
self.run_command(cmd_args)
def assert_source_matches_version(self):
assert self.source_dir
version = self.pkg_info()['version']
if self.req.specifier and version not in self.req.specifier:
logger.warning(
'Requested %s, but installing version %s',
self,
version,
)
else:
logger.debug(
'Source in %s has version %s, which satisfies requirement %s',
display_path(self.source_dir),
version,
self,
)
def assert_source_matches_version(self) -> None:
assert self.source_dir
version = self.metadata["version"]
if self.req.specifier and version not in self.req.specifier:
logger.warning(
"Requested %s, but installing version %s",
self,
version,
)
else:
logger.debug(
"Source in %s has version %s, which satisfies requirement %s",
display_path(self.source_dir),
version,
self,
)
def _log_preparing_link(self, req: InstallRequirement) -> None:
"""Provide context for the requirement being prepared."""
if req.link.is_file and not req.original_link_is_in_wheel_cache:
message = "Processing %s"
information = str(display_path(req.link.file_path))
else:
message = "Collecting %s"
information = str(req.req or req)
if (message, information) != self._previous_requirement_header:
self._previous_requirement_header = (message, information)
logger.info(message, information)
if req.original_link_is_in_wheel_cache:
with indent_log():
logger.info("Using cached %s", req.link.filename)
def __str__(self):
if self.req:
s = str(self.req)
if self.link:
s += ' from %s' % self.link.url
else:
s = self.link.url if self.link else None
if self.satisfied_by is not None:
s += ' in %s' % display_path(self.satisfied_by.location)
if self.comes_from:
if isinstance(self.comes_from, six.string_types):
comes_from = self.comes_from
else:
comes_from = self.comes_from.from_path()
if comes_from:
s += ' (from %s)' % comes_from
return s
def fetch_new(self, dest: str, url: HiddenText, rev_options: RevOptions,
verbosity: int) -> None:
rev_display = rev_options.to_display()
logger.info(
"Checking out %s%s to %s",
url,
rev_display,
display_path(dest),
)
if verbosity <= 0:
flag = "--quiet"
elif verbosity == 1:
flag = ""
else:
flag = f"-{'v'*verbosity}"
cmd_args = make_command("branch", flag, rev_options.to_args(), url,
dest)
self.run_command(cmd_args)
def __str__(self) -> str:
if self.req:
s = str(self.req)
if self.link:
s += " from {}".format(redact_auth_from_url(self.link.url))
elif self.link:
s = redact_auth_from_url(self.link.url)
else:
s = "<InstallRequirement>"
if self.satisfied_by is not None:
s += " in {}".format(display_path(self.satisfied_by.location))
if self.comes_from:
if isinstance(self.comes_from, str):
comes_from: Optional[str] = self.comes_from
else:
comes_from = self.comes_from.from_path()
if comes_from:
s += f" (from {comes_from})"
return s
def __str__(self):
if self.req:
s = str(self.req)
if self.link:
s += ' from %s' % redact_password_from_url(self.link.url)
elif self.link:
s = redact_password_from_url(self.link.url)
else:
s = '<InstallRequirement>'
if self.satisfied_by is not None:
s += ' in %s' % display_path(self.satisfied_by.location)
if self.comes_from:
if isinstance(self.comes_from, six.string_types):
comes_from = self.comes_from
else:
comes_from = self.comes_from.from_path()
if comes_from:
s += ' (from %s)' % comes_from
return s
def metadata(self) -> email.message.Message:
"""
:raises NoneMetadataError: if the distribution reports `has_metadata()`
True but `get_metadata()` returns None.
"""
if isinstance(self._dist, pkg_resources.DistInfoDistribution):
metadata_name = "METADATA"
else:
metadata_name = "PKG-INFO"
try:
metadata = self.read_text(metadata_name)
except FileNotFoundError:
if self.location:
displaying_path = display_path(self.location)
else:
displaying_path = repr(self.location)
logger.warning("No metadata found in %s", displaying_path)
metadata = ""
feed_parser = email.parser.FeedParser()
feed_parser.feed(metadata)
return feed_parser.close()
def fetch_new(self, dest, url, rev_options):
# type: (str, HiddenText, RevOptions) -> None
rev_display = rev_options.to_display()
logger.info('Cloning %s%s to %s', url, rev_display, display_path(dest))
self.run_command(make_command('clone', '-q', url, dest))
if rev_options.rev:
# Then a specific revision was requested.
rev_options = self.resolve_revision(dest, url, rev_options)
branch_name = getattr(rev_options, 'branch_name', None)
if branch_name is None:
# Only do a checkout if the current commit id doesn't match
# the requested revision.
if not self.is_commit_id_equal(dest, rev_options.rev):
cmd_args = make_command(
'checkout',
'-q',
rev_options.to_args(),
)
self.run_command(cmd_args, cwd=dest)
elif self.get_current_branch(dest) != branch_name:
# Then a specific branch was requested, and that branch
# is not yet checked out.
track_branch = f'origin/{branch_name}'
cmd_args = [
'checkout',
'-b',
branch_name,
'--track',
track_branch,
]
self.run_command(cmd_args, cwd=dest)
else:
sha = self.get_revision(dest)
rev_options = rev_options.make_new(sha)
logger.info("Resolved %s to commit %s", url, rev_options.rev)
#: repo may contain submodules
self.update_submodules(dest)
def fetch_new(self, dest: str, url: HiddenText, rev_options: RevOptions,
verbosity: int) -> None:
rev_display = rev_options.to_display()
logger.info(
"Cloning hg %s%s to %s",
url,
rev_display,
display_path(dest),
)
if verbosity <= 0:
flags: Tuple[str, ...] = ("--quiet", )
elif verbosity == 1:
flags = ()
elif verbosity == 2:
flags = ("--verbose", )
else:
flags = ("--verbose", "--debug")
self.run_command(make_command("clone", "--noupdate", *flags, url,
dest))
self.run_command(
make_command("update", *flags, rev_options.to_args()),
cwd=dest,
)
def prepare_linked_requirement(self, req, session, finder,
upgrade_allowed, require_hashes):
"""Prepare a requirement that would be obtained from req.link
"""
# TODO: Breakup into smaller functions
if req.link and req.link.scheme == 'file':
path = url_to_path(req.link.url)
logger.info('Processing %s', display_path(path))
else:
logger.info('Collecting %s', req)
with indent_log():
# @@ if filesystem packages are not marked
# editable in a req, a non deterministic error
# occurs when the script attempts to unpack the
# build directory
req.ensure_has_source_dir(self.build_dir)
# If a checkout exists, it's unwise to keep going. version
# inconsistencies are logged later, but do not fail the
# installation.
# FIXME: this won't upgrade when there's an existing
# package unpacked in `req.source_dir`
# package unpacked in `req.source_dir`
# if os.path.exists(os.path.join(req.source_dir, 'setup.py')):
# raise PreviousBuildDirError(
# "pip can't proceed with requirements '%s' due to a"
# " pre-existing build directory (%s). This is "
# "likely due to a previous installation that failed"
# ". pip is being responsible and not assuming it "
# "can delete this. Please delete it and try again."
# % (req, req.source_dir)
# )
req.populate_link(finder, upgrade_allowed, require_hashes)
# We can't hit this spot and have populate_link return None.
# req.satisfied_by is None here (because we're
# guarded) and upgrade has no impact except when satisfied_by
# is not None.
# Then inside find_requirement existing_applicable -> False
# If no new versions are found, DistributionNotFound is raised,
# otherwise a result is guaranteed.
assert req.link
link = req.link
# Now that we have the real link, we can tell what kind of
# requirements we have and raise some more informative errors
# than otherwise. (For example, we can raise VcsHashUnsupported
# for a VCS URL rather than HashMissing.)
if require_hashes:
# We could check these first 2 conditions inside
# unpack_url and save repetition of conditions, but then
# we would report less-useful error messages for
# unhashable requirements, complaining that there's no
# hash provided.
if is_vcs_url(link):
raise VcsHashUnsupported()
elif is_file_url(link) and is_dir_url(link):
raise DirectoryUrlHashUnsupported()
if not req.original_link and not req.is_pinned:
# Unpinned packages are asking for trouble when a new
# version is uploaded. This isn't a security check, but
# it saves users a surprising hash mismatch in the
# future.
#
# file:/// URLs aren't pinnable, so don't complain
# about them not being pinned.
raise HashUnpinned()
hashes = req.hashes(trust_internet=not require_hashes)
if require_hashes and not hashes:
# Known-good hashes are missing for this requirement, so
# shim it with a facade object that will provoke hash
# computation and then raise a HashMissing exception
# showing the user what the hash should be.
hashes = MissingHashes()
try:
download_dir = self.download_dir
# We always delete unpacked sdists after pip ran.
autodelete_unpacked = True
if req.link.is_wheel and self.wheel_download_dir:
# when doing 'pip wheel` we download wheels to a
# dedicated dir.
download_dir = self.wheel_download_dir
if req.link.is_wheel:
if download_dir:
# When downloading, we only unpack wheels to get
# metadata.
autodelete_unpacked = True
else:
# When installing a wheel, we use the unpacked
# wheel.
autodelete_unpacked = False
unpack_url(
req.link, req.source_dir,
download_dir, autodelete_unpacked,
session=session, hashes=hashes,
progress_bar=self.progress_bar
)
except requests.HTTPError as exc:
logger.critical(
'Could not install requirement %s because of error %s',
req,
exc,
)
raise InstallationError(
'Could not install requirement %s because of HTTP '
'error %s for URL %s' %
(req, exc, req.link)
)
abstract_dist = make_abstract_dist(req)
abstract_dist.prep_for_dist(finder, self.build_isolation)
if self._download_should_save:
# Make a .zip of the source_dir we already created.
if req.link.scheme in vcs.all_schemes:
req.archive(self.download_dir)
return abstract_dist
def check_destination(self, dest, url, rev_options):
"""
Prepare a location to receive a checkout/clone.
Return True if the location is ready for (and requires) a
checkout/clone, False otherwise.
Args:
rev_options: a RevOptions object.
"""
checkout = True
prompt = False
rev_display = rev_options.to_display()
if os.path.exists(dest):
checkout = False
if os.path.exists(os.path.join(dest, self.dirname)):
existing_url = self.get_url(dest)
if self.compare_urls(existing_url, url):
logger.debug(
'%s in %s exists, and has correct URL (%s)',
self.repo_name.title(),
display_path(dest),
url,
)
if not self.is_commit_id_equal(dest, rev_options.rev):
logger.info(
'Updating %s %s%s',
display_path(dest),
self.repo_name,
rev_display,
)
self.update(dest, rev_options)
else:
logger.info(
'Skipping because already up-to-date.')
else:
logger.warning(
'%s %s in %s exists with URL %s',
self.name,
self.repo_name,
display_path(dest),
existing_url,
)
prompt = ('(s)witch, (i)gnore, (w)ipe, (b)ackup ',
('s', 'i', 'w', 'b'))
else:
logger.warning(
'Directory %s already exists, and is not a %s %s.',
dest,
self.name,
self.repo_name,
)
prompt = ('(i)gnore, (w)ipe, (b)ackup ', ('i', 'w', 'b'))
if prompt:
logger.warning(
'The plan is to install the %s repository %s',
self.name,
url,
)
response = ask_path_exists('What to do? %s' % prompt[0],
prompt[1])
if response == 's':
logger.info(
'Switching %s %s to %s%s',
self.repo_name,
display_path(dest),
url,
rev_display,
)
self.switch(dest, url, rev_options)
elif response == 'i':
# do nothing
pass
elif response == 'w':
logger.warning('Deleting %s', display_path(dest))
rmtree(dest)
checkout = True
elif response == 'b':
dest_dir = backup_dir(dest)
logger.warning(
'Backing up %s to %s', display_path(dest), dest_dir,
)
shutil.move(dest, dest_dir)
checkout = True
elif response == 'a':
sys.exit(-1)
return checkout
