def __init__(self, dist):
self.paths = set()
self._refuse = set()
self.pth = {}
self.dist = dist
self.save_dir = TempDirectory(kind="uninstall")
self._moved_paths = []
def __init__(self, req, comes_from, source_dir=None, editable=False,
link=None, update=True, pycompile=True, markers=None,
isolated=False, options=None, wheel_cache=None,
constraint=False, extras=()):
assert req is None or isinstance(req, Requirement), req
self.req = req
self.comes_from = comes_from
self.constraint = constraint
if source_dir is not None:
self.source_dir = os.path.normpath(os.path.abspath(source_dir))
else:
self.source_dir = None
self.editable = editable
self._wheel_cache = wheel_cache
if link is not None:
self.link = self.original_link = link
else:
from pip.index import Link
self.link = self.original_link = req and req.url and Link(req.url)
if extras:
self.extras = extras
elif req:
self.extras = set(
pkg_resources.safe_extra(extra) for extra in req.extras
)
else:
self.extras = set()
if markers is not None:
self.markers = markers
else:
self.markers = req and req.marker
self._egg_info_path = None
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
# This hold the pkg_resources.Distribution object if this requirement
# conflicts with another installed distribution:
self.conflicts_with = None
# Temporary build location
self._temp_build_dir = TempDirectory(kind="req-build")
# Used to store the global directory where the _temp_build_dir should
# have been created. Cf _correct_build_location method.
self._ideal_build_dir = None
# True if the editable should be updated:
self.update = update
# Set to True after successful installation
self.install_succeeded = None
# UninstallPathSet of uninstalled distribution (for possible rollback)
self.uninstalled_pathset = None
self.use_user_site = False
self.target_dir = None
self.options = options if options else {}
self.pycompile = pycompile
# Set to True after successful preparation of this requirement
self.prepared = False
self.isolated = isolated
def test_create_and_cleanup_work(self):
tmp_dir = TempDirectory()
assert tmp_dir.path is None
tmp_dir.create()
created_path = tmp_dir.path
assert tmp_dir.path is not None
assert os.path.exists(created_path)
tmp_dir.cleanup()
assert tmp_dir.path is None
assert not os.path.exists(created_path)
class BuildEnvironment(object):
"""Context manager to install build deps in a simple temporary environment
"""
def __init__(self, no_clean):
self._temp_dir = TempDirectory(kind="build-env")
self._no_clean = no_clean
def __enter__(self):
self._temp_dir.create()
self.save_path = os.environ.get('PATH', None)
self.save_pythonpath = os.environ.get('PYTHONPATH', None)
install_scheme = 'nt' if (os.name == 'nt') else 'posix_prefix'
install_dirs = get_paths(install_scheme,
vars={
'base': self._temp_dir.path,
'platbase': self._temp_dir.path,
})
scripts = install_dirs['scripts']
if self.save_path:
os.environ['PATH'] = scripts + os.pathsep + self.save_path
else:
os.environ['PATH'] = scripts + os.pathsep + os.defpath
if install_dirs['purelib'] == install_dirs['platlib']:
lib_dirs = install_dirs['purelib']
else:
lib_dirs = install_dirs['purelib'] + os.pathsep + \
install_dirs['platlib']
if self.save_pythonpath:
os.environ['PYTHONPATH'] = lib_dirs + os.pathsep + \
self.save_pythonpath
else:
os.environ['PYTHONPATH'] = lib_dirs
return self._temp_dir.path
def __exit__(self, exc_type, exc_val, exc_tb):
if not self._no_clean:
self._temp_dir.cleanup()
if self.save_path is None:
os.environ.pop('PATH', None)
else:
os.environ['PATH'] = self.save_path
if self.save_pythonpath is None:
os.environ.pop('PYTHONPATH', None)
else:
os.environ['PYTHONPATH'] = self.save_pythonpath
class BuildEnvironment(object):
"""Context manager to install build deps in a simple temporary environment
"""
def __init__(self, no_clean):
self._temp_dir = TempDirectory(kind="build-env")
self._no_clean = no_clean
def __enter__(self):
self._temp_dir.create()
self.save_path = os.environ.get('PATH', None)
self.save_pythonpath = os.environ.get('PYTHONPATH', None)
install_scheme = 'nt' if (os.name == 'nt') else 'posix_prefix'
install_dirs = get_paths(install_scheme, vars={
'base': self._temp_dir.path,
'platbase': self._temp_dir.path,
})
scripts = install_dirs['scripts']
if self.save_path:
os.environ['PATH'] = scripts + os.pathsep + self.save_path
else:
os.environ['PATH'] = scripts + os.pathsep + os.defpath
if install_dirs['purelib'] == install_dirs['platlib']:
lib_dirs = install_dirs['purelib']
else:
lib_dirs = install_dirs['purelib'] + os.pathsep + \
install_dirs['platlib']
if self.save_pythonpath:
os.environ['PYTHONPATH'] = lib_dirs + os.pathsep + \
self.save_pythonpath
else:
os.environ['PYTHONPATH'] = lib_dirs
return self._temp_dir.path
def __exit__(self, exc_type, exc_val, exc_tb):
if not self._no_clean:
self._temp_dir.cleanup()
if self.save_path is None:
os.environ.pop('PATH', None)
else:
os.environ['PATH'] = self.save_path
if self.save_pythonpath is None:
os.environ.pop('PYTHONPATH', None)
else:
os.environ['PYTHONPATH'] = self.save_pythonpath
def __init__(self, dist):
self.paths = set()
self._refuse = set()
self.pth = {}
self.dist = dist
self.save_dir = TempDirectory(kind="uninstall")
self._moved_paths = []
def unpack_http_url(link,
location,
download_dir=None,
session=None,
hashes=None,
progress_bar="on"):
if session is None:
raise TypeError(
"unpack_http_url() missing 1 required keyword argument: 'session'")
with TempDirectory(kind="unpack") as temp_dir:
# If a download dir is specified, is the file already downloaded there?
already_downloaded_path = None
if download_dir:
already_downloaded_path = _check_download_dir(
link, download_dir, hashes)
if already_downloaded_path:
from_path = already_downloaded_path
content_type = mimetypes.guess_type(from_path)[0]
else:
# let's download to a tmp dir
from_path, content_type = _download_http_url(
link, session, temp_dir.path, hashes, progress_bar)
# unpack the archive to the build dir location. even when only
# downloading archives, they have to be unpacked to parse dependencies
unpack_file(from_path, location, content_type, link)
# a download dir is specified; let's copy the archive there
if download_dir and not already_downloaded_path:
_copy_file(from_path, download_dir, link)
if not already_downloaded_path:
os.unlink(from_path)
def __init__(self, req, comes_from, source_dir=None, editable=False,
link=None, update=True, pycompile=True, markers=None,
isolated=False, options=None, wheel_cache=None,
constraint=False, extras=()):
assert req is None or isinstance(req, Requirement), req
self.req = req
self.comes_from = comes_from
self.constraint = constraint
if source_dir is not None:
self.source_dir = os.path.normpath(os.path.abspath(source_dir))
else:
self.source_dir = None
self.editable = editable
self._wheel_cache = wheel_cache
if link is not None:
self.link = self.original_link = link
else:
from pip.index import Link
self.link = self.original_link = req and req.url and Link(req.url)
if extras:
self.extras = extras
elif req:
self.extras = set(
pkg_resources.safe_extra(extra) for extra in req.extras
)
else:
self.extras = set()
if markers is not None:
self.markers = markers
else:
self.markers = req and req.marker
self._egg_info_path = None
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
# This hold the pkg_resources.Distribution object if this requirement
# conflicts with another installed distribution:
self.conflicts_with = None
# Temporary build location
self._temp_build_dir = TempDirectory(kind="req-build")
# Used to store the global directory where the _temp_build_dir should
# have been created. Cf _correct_build_location method.
self._ideal_build_dir = None
# True if the editable should be updated:
self.update = update
# Set to True after successful installation
self.install_succeeded = None
# UninstallPathSet of uninstalled distribution (for possible rollback)
self.uninstalled_pathset = None
self.use_user_site = False
self.target_dir = None
self.options = options if options else {}
self.pycompile = pycompile
# Set to True after successful preparation of this requirement
self.prepared = False
self.isolated = isolated
def export(self, location):
"""Export the Hg repository at the url to the destination location"""
with TempDirectory(kind="export") as temp_dir:
self.unpack(temp_dir.path)
self.run_command(['archive', location],
show_stdout=False,
cwd=temp_dir.path)
def run(self, options, args):
self.check_required_packages()
cmdoptions.check_install_build_global(options)
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
logger.debug('Ignoring indexes: %s', ','.join(index_urls))
index_urls = []
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
with self._build_session(options) as session:
finder = self._build_package_finder(options, session)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
with TempDirectory(options.build_dir,
delete=build_delete,
kind="wheel") as directory:
requirement_set = RequirementSet(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=None,
ignore_dependencies=options.ignore_dependencies,
ignore_installed=True,
ignore_requires_python=options.ignore_requires_python,
isolated=options.isolated_mode,
session=session,
wheel_cache=wheel_cache,
wheel_download_dir=options.wheel_dir,
require_hashes=options.require_hashes,
progress_bar=options.progress_bar)
self.populate_requirement_set(requirement_set, args, options,
finder, session, self.name,
wheel_cache)
try:
# build wheels
wb = WheelBuilder(
requirement_set,
finder,
build_options=options.build_options or [],
global_options=options.global_options or [],
no_clean=options.no_clean,
)
if not wb.build():
raise CommandError(
"Failed to build one or more wheels")
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
if not options.no_clean:
requirement_set.cleanup_files()
def export(self, location):
"""Export the Git repository at the url to the destination location"""
if not location.endswith('/'):
location = location + '/'
with TempDirectory(kind="export") as temp_dir:
self.unpack(temp_dir.path)
self.run_command(
['checkout-index', '-a', '-f', '--prefix', location],
show_stdout=False, cwd=temp_dir.path
)
def test_symlinked_path(self):
with TempDirectory() as tmp_dir:
assert os.path.exists(tmp_dir.path)
alt_tmp_dir = tempfile.mkdtemp(prefix="pip-test-")
assert (os.path.dirname(tmp_dir.path) == os.path.dirname(
os.path.realpath(alt_tmp_dir)))
# are we on a system where /tmp is a symlink
if os.path.realpath(alt_tmp_dir) != os.path.abspath(alt_tmp_dir):
assert (os.path.dirname(tmp_dir.path) !=
os.path.dirname(alt_tmp_dir))
else:
assert (os.path.dirname(
tmp_dir.path) == os.path.dirname(alt_tmp_dir))
os.rmdir(tmp_dir.path)
assert not os.path.exists(tmp_dir.path)
def export(self, location):
"""
Export the Bazaar repository at the url to the destination location
"""
# Remove the location to make sure Bazaar can export it correctly
if os.path.exists(location):
rmtree(location)
with TempDirectory(kind="export") as temp_dir:
self.unpack(temp_dir.path)
self.run_command(
['export', location],
cwd=temp_dir.path,
show_stdout=False,
)
def test_create_and_cleanup_work(self):
tmp_dir = TempDirectory()
assert tmp_dir.path is None
tmp_dir.create()
created_path = tmp_dir.path
assert tmp_dir.path is not None
assert os.path.exists(created_path)
tmp_dir.cleanup()
assert tmp_dir.path is None
assert not os.path.exists(created_path)
def test_deletes_readonly_files(self):
def create_file(*args):
fpath = os.path.join(*args)
ensure_dir(os.path.dirname(fpath))
with open(fpath, "w") as f:
f.write("Holla!")
def readonly_file(*args):
fpath = os.path.join(*args)
os.chmod(fpath, stat.S_IREAD)
with TempDirectory() as tmp_dir:
create_file(tmp_dir.path, "normal-file")
create_file(tmp_dir.path, "readonly-file")
readonly_file(tmp_dir.path, "readonly-file")
create_file(tmp_dir.path, "subfolder", "normal-file")
create_file(tmp_dir.path, "subfolder", "readonly-file")
readonly_file(tmp_dir.path, "subfolder", "readonly-file")
assert tmp_dir.path is None
def _build_one_inside_env(self,
req,
output_dir,
python_tag=None,
isolate=False):
with TempDirectory(kind="wheel") as temp_dir:
if self.__build_one(req,
temp_dir.path,
python_tag=python_tag,
isolate=isolate):
try:
wheel_name = os.listdir(temp_dir.path)[0]
wheel_path = os.path.join(output_dir, wheel_name)
shutil.move(os.path.join(temp_dir.path, wheel_name),
wheel_path)
logger.info('Stored in directory: %s', output_dir)
return wheel_path
except:
pass
# Ignore return, we can't do anything else useful.
self._clean_one(req)
return None
def __init__(self, no_clean):
self._temp_dir = TempDirectory(kind="build-env")
self._no_clean = no_clean
def run(self, options, args):
options.ignore_installed = True
# editable doesn't really make sense for `pip download`, but the bowels
# of the RequirementSet code require that property.
options.editables = []
if options.python_version:
python_versions = [options.python_version]
else:
python_versions = None
dist_restriction_set = any([
options.python_version,
options.platform,
options.abi,
options.implementation,
])
# binary_only = FormatControl(set(), {':all:'})
# if dist_restriction_set and options.format_control != binary_only:
# raise CommandError(
# "--only-binary=:all: must be set and --no-binary must not "
# "be set (or must be set to :none:) when restricting platform "
# "and interpreter constraints using --python-version, "
# "--platform, --abi, or --implementation."
# )
options.src_dir = os.path.abspath(options.src_dir)
options.download_dir = normalize_path(options.download_dir)
ensure_dir(options.download_dir)
with self._build_session(options) as session:
finder = self._build_package_finder(
options=options,
session=session,
platform=options.platform,
python_versions=python_versions,
abi=options.abi,
implementation=options.implementation,
)
build_delete = (not (options.no_clean or options.build_dir))
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with TempDirectory(
options.build_dir, delete=build_delete, kind="download"
) as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes,
)
self.populate_requirement_set(
requirement_set,
args,
options,
finder,
session,
self.name,
None
)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=options.download_dir,
wheel_download_dir=None,
progress_bar=options.progress_bar,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=None,
use_user_site=False,
upgrade_strategy="to-satisfy-only",
force_reinstall=False,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=False,
ignore_installed=True,
isolated=options.isolated_mode,
)
resolver.resolve(requirement_set)
downloaded = ' '.join([
req.name for req in requirement_set.successfully_downloaded
])
if downloaded:
logger.info(
'Successfully downloaded %s', downloaded
)
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
return requirement_set
def __init__(self, no_clean):
self._temp_dir = TempDirectory(kind="build-env")
self._no_clean = no_clean
def install(self,
install_options,
global_options=[],
root=None,
prefix=None):
if self.editable:
self.install_editable(install_options,
global_options,
prefix=prefix)
return
if self.is_wheel:
version = pip.wheel.wheel_version(self.source_dir)
pip.wheel.check_compatibility(version, self.name)
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
self.install_succeeded = True
return
# Extend the list of global and install options passed on to
# the setup.py call with the ones from the requirements file.
# Options specified in requirements file override those
# specified on the command line, since the last option given
# to setup.py is the one that is used.
global_options += self.options.get('global_options', [])
install_options += self.options.get('install_options', [])
if self.isolated:
global_options = list(global_options) + ["--no-user-cfg"]
with TempDirectory(kind="record") as temp_dir:
record_filename = os.path.join(temp_dir.path, 'install-record.txt')
install_args = self.get_install_args(global_options,
record_filename, root, prefix)
msg = 'Running setup.py install for %s' % (self.name, )
with open_spinner(msg) as spinner:
with indent_log():
call_subprocess(
install_args + install_options,
cwd=self.setup_py_dir,
show_stdout=False,
spinner=spinner,
)
if not os.path.exists(record_filename):
logger.debug('Record file %s not found', record_filename)
return
self.install_succeeded = True
def prepend_root(path):
if root is None or not os.path.isabs(path):
return path
else:
return change_root(root, path)
with open(record_filename) as f:
for line in f:
directory = os.path.dirname(line)
if directory.endswith('.egg-info'):
egg_info_dir = prepend_root(directory)
break
else:
logger.warning(
'Could not find .egg-info directory in install record'
' for %s',
self,
)
# FIXME: put the record somewhere
# FIXME: should this be an error?
return
new_lines = []
with open(record_filename) as f:
for line in f:
filename = line.strip()
if os.path.isdir(filename):
filename += os.path.sep
new_lines.append(
os.path.relpath(prepend_root(filename), egg_info_dir))
ensure_dir(egg_info_dir)
inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt')
with open(inst_files_path, 'w') as f:
f.write('\n'.join(new_lines) + '\n')
class InstallRequirement(object):
def __init__(self,
req,
comes_from,
source_dir=None,
editable=False,
link=None,
update=True,
pycompile=True,
markers=None,
isolated=False,
options=None,
wheel_cache=None,
constraint=False,
extras=()):
assert req is None or isinstance(req, Requirement), req
self.req = req
self.comes_from = comes_from
self.constraint = constraint
if source_dir is not None:
self.source_dir = os.path.normpath(os.path.abspath(source_dir))
else:
self.source_dir = None
self.editable = editable
self._wheel_cache = wheel_cache
if link is not None:
self.link = self.original_link = link
else:
from pip.index import Link
self.link = self.original_link = req and req.url and Link(req.url)
if extras:
self.extras = extras
elif req:
self.extras = set(
pkg_resources.safe_extra(extra) for extra in req.extras)
else:
self.extras = set()
if markers is not None:
self.markers = markers
else:
self.markers = req and req.marker
self._egg_info_path = None
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
# This hold the pkg_resources.Distribution object if this requirement
# conflicts with another installed distribution:
self.conflicts_with = None
# Temporary build location
self._temp_build_dir = TempDirectory(kind="req-build")
# Used to store the global directory where the _temp_build_dir should
# have been created. Cf _correct_build_location method.
self._ideal_build_dir = None
# True if the editable should be updated:
self.update = update
# Set to True after successful installation
self.install_succeeded = None
# UninstallPathSet of uninstalled distribution (for possible rollback)
self.uninstalled_pathset = None
self.use_user_site = False
self.target_dir = None
self.options = options if options else {}
self.pycompile = pycompile
# Set to True after successful preparation of this requirement
self.prepared = False
self.isolated = isolated
@classmethod
def from_editable(cls,
editable_req,
comes_from=None,
isolated=False,
options=None,
wheel_cache=None,
constraint=False):
from pip.index import Link
name, url, extras_override = parse_editable(editable_req)
if url.startswith('file:'):
source_dir = url_to_path(url)
else:
source_dir = None
if name is not None:
try:
req = Requirement(name)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % req)
else:
req = None
return cls(
req,
comes_from,
source_dir=source_dir,
editable=True,
link=Link(url),
constraint=constraint,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
extras=extras_override or (),
)
@classmethod
def from_req(cls, req, comes_from=None, isolated=False, wheel_cache=None):
try:
req = Requirement(req)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % req)
if req.url:
raise InstallationError(
"Direct url requirement (like %s) are not allowed for "
"dependencies" % req)
return cls(req, comes_from, isolated=isolated, wheel_cache=wheel_cache)
@classmethod
def from_line(cls,
name,
comes_from=None,
isolated=False,
options=None,
wheel_cache=None,
constraint=False):
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
from pip.index import Link
if is_url(name):
marker_sep = '; '
else:
marker_sep = ';'
if marker_sep in name:
name, markers = name.split(marker_sep, 1)
markers = markers.strip()
if not markers:
markers = None
else:
markers = Marker(markers)
else:
markers = None
name = name.strip()
req = None
path = os.path.normpath(os.path.abspath(name))
link = None
extras = None
if is_url(name):
link = Link(name)
else:
p, extras = _strip_extras(path)
if (os.path.isdir(p)
and (os.path.sep in name or name.startswith('.'))):
if not is_installable_dir(p):
raise InstallationError(
"Directory %r is not installable. File 'setup.py' "
"not found." % name)
link = Link(path_to_url(p))
elif is_archive_file(p):
if not os.path.isfile(p):
logger.warning(
'Requirement %r looks like a filename, but the '
'file does not exist', name)
link = Link(path_to_url(p))
# it's a local file, dir, or url
if link:
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', link.url):
link = Link(
path_to_url(os.path.normpath(os.path.abspath(link.path))))
# wheel file
if link.is_wheel:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
req = "%s==%s" % (wheel.name, wheel.version)
else:
# set the req to the egg fragment. when it's not there, this
# will become an 'unnamed' requirement
req = link.egg_fragment
# a requirement specifier
else:
req = name
if extras:
extras = Requirement("placeholder" + extras.lower()).extras
else:
extras = ()
if req is not None:
try:
req = Requirement(req)
except InvalidRequirement:
if os.path.sep in req:
add_msg = "It looks like a path."
add_msg += deduce_helpful_msg(req)
elif '=' in req and not any(op in req for op in operators):
add_msg = "= is not a valid operator. Did you mean == ?"
else:
add_msg = traceback.format_exc()
raise InstallationError("Invalid requirement: '%s'\n%s" %
(req, add_msg))
return cls(
req,
comes_from,
link=link,
markers=markers,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
constraint=constraint,
extras=extras,
)
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 __repr__(self):
return '<%s object: %s editable=%r>' % (self.__class__.__name__,
str(self), self.editable)
def populate_link(self, finder, upgrade, require_hashes):
"""Ensure that if a link can be found for this, that it is found.
Note that self.link may still be None - if Upgrade is False and the
requirement is already installed.
If require_hashes is True, don't use the wheel cache, because cached
wheels, always built locally, have different hashes than the files
downloaded from the index server and thus throw false hash mismatches.
Furthermore, cached wheels at present have undeterministic contents due
to file modification times.
"""
if self.link is None:
self.link = finder.find_requirement(self, upgrade)
if self._wheel_cache is not None and not require_hashes:
old_link = self.link
self.link = self._wheel_cache.cached_wheel(self.link, self.name)
if old_link != self.link:
logger.debug('Using cached wheel link: %s', self.link)
@property
def specifier(self):
return self.req.specifier
@property
def is_pinned(self):
"""Return whether I am pinned to an exact version.
For example, some-package==1.2 is pinned; some-package>1.2 is not.
"""
specifiers = self.specifier
return (len(specifiers) == 1
and next(iter(specifiers)).operator in {'==', '==='})
def from_path(self):
if self.req is None:
return None
s = str(self.req)
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 += '->' + comes_from
return s
def build_location(self, build_dir):
assert build_dir is not None
if self._temp_build_dir.path is not None:
return self._temp_build_dir.path
if self.req is None:
# for requirement via a path to a directory: the name of the
# package is not available yet so we create a temp directory
# Once run_egg_info will have run, we'll be able
# to fix it via _correct_build_location
# Some systems have /tmp as a symlink which confuses custom
# builds (such as numpy). Thus, we ensure that the real path
# is returned.
self._temp_build_dir.create()
self._ideal_build_dir = build_dir
return self._temp_build_dir.path
if self.editable:
name = self.name.lower()
else:
name = self.name
# FIXME: Is there a better place to create the build_dir? (hg and bzr
# need this)
if not os.path.exists(build_dir):
logger.debug('Creating directory %s', build_dir)
_make_build_dir(build_dir)
return os.path.join(build_dir, name)
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
@property
def name(self):
if self.req is None:
return None
return native_str(pkg_resources.safe_name(self.req.name))
@property
def setup_py_dir(self):
return os.path.join(
self.source_dir, self.link and self.link.subdirectory_fragment
or '')
@property
def setup_py(self):
assert self.source_dir, "No source dir for %s" % self
cmd = [sys.executable, '-c', 'import setuptools']
output = call_subprocess(
cmd,
show_stdout=False,
command_desc='python -c "import setuptools"',
on_returncode='ignore',
)
if output:
if get_installed_version('setuptools') is None:
add_msg = "Please install setuptools."
else:
add_msg = output
# Setuptools is not available
raise InstallationError(
"Could not import setuptools which is required to "
"install from a source distribution.\n%s" % add_msg)
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
@property
def pyproject_toml(self):
assert self.source_dir, "No source dir for %s" % self
pp_toml = os.path.join(self.setup_py_dir, 'pyproject.toml')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(pp_toml, six.text_type):
pp_toml = pp_toml.encode(sys.getfilesystemencoding())
return pp_toml
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 = [sys.executable, '-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 egg_info_data(self, filename):
if self.satisfied_by is not None:
if not self.satisfied_by.has_metadata(filename):
return None
return self.satisfied_by.get_metadata(filename)
assert self.source_dir
filename = self.egg_info_path(filename)
if not os.path.exists(filename):
return None
data = read_text_file(filename)
return data
def egg_info_path(self, filename):
if self._egg_info_path is None:
if self.editable:
base = self.source_dir
else:
base = os.path.join(self.setup_py_dir, 'pip-egg-info')
filenames = os.listdir(base)
if self.editable:
filenames = []
for root, dirs, files in os.walk(base):
for dir in vcs.dirnames:
if dir in dirs:
dirs.remove(dir)
# Iterate over a copy of ``dirs``, since mutating
# a list while iterating over it can cause trouble.
# (See https://github.com/pypa/pip/pull/462.)
for dir in list(dirs):
# Don't search in anything that looks like a virtualenv
# environment
if (os.path.lexists(
os.path.join(root, dir, 'bin', 'python'))
or os.path.exists(
os.path.join(root, dir, 'Scripts',
'Python.exe'))):
dirs.remove(dir)
# Also don't search through tests
elif dir == 'test' or dir == 'tests':
dirs.remove(dir)
filenames.extend([os.path.join(root, dir) for dir in dirs])
filenames = [f for f in filenames if f.endswith('.egg-info')]
if not filenames:
raise InstallationError(
'No files/directories in %s (from %s)' % (base, filename))
assert filenames, \
"No files/directories in %s (from %s)" % (base, filename)
# if we have more than one match, we pick the toplevel one. This
# can easily be the case if there is a dist folder which contains
# an extracted tarball for testing purposes.
if len(filenames) > 1:
filenames.sort(key=lambda x: x.count(os.path.sep) + (
os.path.altsep and x.count(os.path.altsep) or 0))
self._egg_info_path = os.path.join(base, filenames[0])
return os.path.join(self._egg_info_path, filename)
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()
_requirements_section_re = re.compile(r'\[(.*?)\]')
@property
def installed_version(self):
return get_installed_version(self.name)
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,
self.installed_version,
)
else:
logger.debug(
'Source in %s has version %s, which satisfies requirement %s',
display_path(self.source_dir),
version,
self,
)
def update_editable(self, obtain=True):
if not self.link:
logger.debug(
"Cannot update repository at %s; repository location is "
"unknown",
self.source_dir,
)
return
assert self.editable
assert self.source_dir
if self.link.scheme == 'file':
# Static paths don't get updated
return
assert '+' in self.link.url, "bad url: %r" % self.link.url
if not self.update:
return
vc_type, url = self.link.url.split('+', 1)
backend = vcs.get_backend(vc_type)
if backend:
vcs_backend = backend(self.link.url)
if obtain:
vcs_backend.obtain(self.source_dir)
else:
vcs_backend.export(self.source_dir)
else:
assert 0, ('Unexpected version control type (in %s): %s' %
(self.link, vc_type))
def uninstall(self, auto_confirm=False, verbose=False):
"""
Uninstall the distribution currently satisfying this requirement.
Prompts before removing or modifying files unless
``auto_confirm`` is True.
Refuses to delete or modify files outside of ``sys.prefix`` -
thus uninstallation within a virtual environment can only
modify that virtual environment, even if the virtualenv is
linked to global site-packages.
"""
if not self.check_if_exists():
raise UninstallationError(
"Cannot uninstall requirement %s, not installed" %
(self.name, ))
dist = self.satisfied_by or self.conflicts_with
self.uninstalled_pathset = UninstallPathSet.from_dist(dist)
self.uninstalled_pathset.remove(auto_confirm, verbose)
def archive(self, build_dir):
assert self.source_dir
create_archive = True
archive_name = '%s-%s.zip' % (self.name, self.pkg_info()["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:
dirname = os.path.join(dirpath, dirname)
name = self._clean_zip_name(dirname, dir)
zipdir = zipfile.ZipInfo(self.name + '/' + name + '/')
zipdir.external_attr = 0x1ED << 16 # 0o755
zip.writestr(zipdir, '')
for filename in filenames:
if filename == PIP_DELETE_MARKER_FILENAME:
continue
filename = os.path.join(dirpath, filename)
name = self._clean_zip_name(filename, dir)
zip.write(filename, self.name + '/' + name)
zip.close()
logger.info('Saved %s', display_path(archive_path))
def _clean_zip_name(self, name, prefix):
assert name.startswith(prefix + os.path.sep), (
"name %r doesn't start with prefix %r" % (name, prefix))
name = name[len(prefix) + 1:]
name = name.replace(os.path.sep, '/')
return name
def match_markers(self, extras_requested=None):
if not extras_requested:
# Provide an extra to safely evaluate the markers
# without matching any extra
extras_requested = ('', )
if self.markers is not None:
return any(
self.markers.evaluate({'extra': extra})
for extra in extras_requested)
else:
return True
def install(self,
install_options,
global_options=[],
root=None,
prefix=None):
if self.editable:
self.install_editable(install_options,
global_options,
prefix=prefix)
return
if self.is_wheel:
version = pip.wheel.wheel_version(self.source_dir)
pip.wheel.check_compatibility(version, self.name)
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
self.install_succeeded = True
return
# Extend the list of global and install options passed on to
# the setup.py call with the ones from the requirements file.
# Options specified in requirements file override those
# specified on the command line, since the last option given
# to setup.py is the one that is used.
global_options += self.options.get('global_options', [])
install_options += self.options.get('install_options', [])
if self.isolated:
global_options = list(global_options) + ["--no-user-cfg"]
with TempDirectory(kind="record") as temp_dir:
record_filename = os.path.join(temp_dir.path, 'install-record.txt')
install_args = self.get_install_args(global_options,
record_filename, root, prefix)
msg = 'Running setup.py install for %s' % (self.name, )
with open_spinner(msg) as spinner:
with indent_log():
call_subprocess(
install_args + install_options,
cwd=self.setup_py_dir,
show_stdout=False,
spinner=spinner,
)
if not os.path.exists(record_filename):
logger.debug('Record file %s not found', record_filename)
return
self.install_succeeded = True
def prepend_root(path):
if root is None or not os.path.isabs(path):
return path
else:
return change_root(root, path)
with open(record_filename) as f:
for line in f:
directory = os.path.dirname(line)
if directory.endswith('.egg-info'):
egg_info_dir = prepend_root(directory)
break
else:
logger.warning(
'Could not find .egg-info directory in install record'
' for %s',
self,
)
# FIXME: put the record somewhere
# FIXME: should this be an error?
return
new_lines = []
with open(record_filename) as f:
for line in f:
filename = line.strip()
if os.path.isdir(filename):
filename += os.path.sep
new_lines.append(
os.path.relpath(prepend_root(filename), egg_info_dir))
ensure_dir(egg_info_dir)
inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt')
with open(inst_files_path, 'w') as f:
f.write('\n'.join(new_lines) + '\n')
def ensure_has_source_dir(self, parent_dir):
"""Ensure that a source_dir is set.
This will create a temporary build dir if the name of the requirement
isn't known yet.
:param parent_dir: The ideal pip parent_dir for the source_dir.
Generally src_dir for editables and build_dir for sdists.
:return: self.source_dir
"""
if self.source_dir is None:
self.source_dir = self.build_location(parent_dir)
return self.source_dir
def get_install_args(self, global_options, record_filename, root, prefix):
install_args = [sys.executable, "-u"]
install_args.append('-c')
install_args.append(SETUPTOOLS_SHIM % self.setup_py)
install_args += list(global_options) + \
['install', '--record', record_filename]
install_args += ['--single-version-externally-managed']
if root is not None:
install_args += ['--root', root]
if prefix is not None:
install_args += ['--prefix', prefix]
if self.pycompile:
install_args += ["--compile"]
else:
install_args += ["--no-compile"]
if running_under_virtualenv():
py_ver_str = 'python' + sysconfig.get_python_version()
install_args += [
'--install-headers',
os.path.join(sys.prefix, 'include', 'site', py_ver_str,
self.name)
]
return install_args
def remove_temporary_source(self):
"""Remove the source files from this requirement, if they are marked
for deletion"""
if self.source_dir and os.path.exists(
os.path.join(self.source_dir, PIP_DELETE_MARKER_FILENAME)):
logger.debug('Removing source in %s', self.source_dir)
rmtree(self.source_dir)
self.source_dir = None
self._temp_build_dir.cleanup()
def install_editable(self,
install_options,
global_options=(),
prefix=None):
logger.info('Running setup.py develop for %s', self.name)
if self.isolated:
global_options = list(global_options) + ["--no-user-cfg"]
if prefix:
prefix_param = ['--prefix={0}'.format(prefix)]
install_options = list(install_options) + prefix_param
with indent_log():
# FIXME: should we do --install-headers here too?
call_subprocess(
[sys.executable, '-c', SETUPTOOLS_SHIM % self.setup_py] +
list(global_options) + ['develop', '--no-deps'] +
list(install_options),
cwd=self.setup_py_dir,
show_stdout=False)
self.install_succeeded = True
def check_if_exists(self):
"""Find an installed distribution that satisfies or conflicts
with this requirement, and set self.satisfied_by or
self.conflicts_with appropriately.
"""
if self.req is None:
return False
try:
# get_distribution() will resolve the entire list of requirements
# anyway, and we've already determined that we need the requirement
# in question, so strip the marker so that we don't try to
# evaluate it.
no_marker = Requirement(str(self.req))
no_marker.marker = None
self.satisfied_by = pkg_resources.get_distribution(str(no_marker))
if self.editable and self.satisfied_by:
self.conflicts_with = self.satisfied_by
# when installing editables, nothing pre-existing should ever
# satisfy
self.satisfied_by = None
return True
except pkg_resources.DistributionNotFound:
return False
except pkg_resources.VersionConflict:
existing_dist = pkg_resources.get_distribution(self.req.name)
if self.use_user_site:
if dist_in_usersite(existing_dist):
self.conflicts_with = existing_dist
elif (running_under_virtualenv()
and dist_in_site_packages(existing_dist)):
raise InstallationError(
"Will not install to the user site because it will "
"lack sys.path precedence to %s in %s" %
(existing_dist.project_name, existing_dist.location))
else:
self.conflicts_with = existing_dist
return True
@property
def is_wheel(self):
return self.link and self.link.is_wheel
def move_wheel_files(self, wheeldir, root=None, prefix=None):
move_wheel_files(
self.name,
self.req,
wheeldir,
user=self.use_user_site,
home=self.target_dir,
root=root,
prefix=prefix,
pycompile=self.pycompile,
isolated=self.isolated,
)
def get_dist(self):
"""Return a pkg_resources.Distribution built from self.egg_info_path"""
egg_info = self.egg_info_path('').rstrip('/')
base_dir = os.path.dirname(egg_info)
metadata = pkg_resources.PathMetadata(base_dir, egg_info)
dist_name = os.path.splitext(os.path.basename(egg_info))[0]
return pkg_resources.Distribution(os.path.dirname(egg_info),
project_name=dist_name,
metadata=metadata)
@property
def has_hash_options(self):
"""Return whether any known-good hashes are specified as options.
These activate --require-hashes mode; hashes specified as part of a
URL do not.
"""
return bool(self.options.get('hashes', {}))
def hashes(self, trust_internet=True):
"""Return a hash-comparer that considers my option- and URL-based
hashes to be known-good.
Hashes in URLs--ones embedded in the requirements file, not ones
downloaded from an index server--are almost peers with ones from
flags. They satisfy --require-hashes (whether it was implicitly or
explicitly activated) but do not activate it. md5 and sha224 are not
allowed in flags, which should nudge people toward good algos. We
always OR all hashes together, even ones from URLs.
:param trust_internet: Whether to trust URL-based (#md5=...) hashes
downloaded from the internet, as by populate_link()
"""
good_hashes = self.options.get('hashes', {}).copy()
link = self.link if trust_internet else self.original_link
if link and link.hash:
good_hashes.setdefault(link.hash_name, []).append(link.hash)
return Hashes(good_hashes)
def run(self, options, args):
cmdoptions.check_install_build_global(options)
upgrade_strategy = "to-satisfy-only"
if options.upgrade:
upgrade_strategy = options.upgrade_strategy
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
if options.use_user_site:
if options.prefix_path:
raise CommandError(
"Can not combine '--user' and '--prefix' as they imply "
"different installation locations")
if virtualenv_no_global():
raise InstallationError(
"Can not perform a '--user' install. User site-packages "
"are not visible in this virtualenv.")
install_options.append('--user')
install_options.append('--prefix=')
target_temp_dir = TempDirectory(kind="target")
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if (os.path.exists(options.target_dir)
and not os.path.isdir(options.target_dir)):
raise CommandError(
"Target path exists but is not a directory, will not "
"continue.")
# Create a target directory for using with the target option
target_temp_dir.create()
install_options.append('--home=' + target_temp_dir.path)
global_options = options.global_options or []
with self._build_session(options) as session:
finder = self._build_package_finder(options, session)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with TempDirectory(options.build_dir,
delete=build_delete,
kind="install") as directory:
requirement_set = RequirementSet(
build_dir=directory.path,
src_dir=options.src_dir,
target_dir=target_temp_dir.path,
pycompile=options.compile,
wheel_cache=wheel_cache,
require_hashes=options.require_hashes,
use_user_site=options.use_user_site,
progress_bar=options.progress_bar,
)
self.populate_requirement_set(requirement_set, args, options,
finder, session, self.name,
wheel_cache)
try:
resolver = Resolver(
preparer=RequirementPreparer(),
finder=finder,
session=session,
use_user_site=options.use_user_site,
upgrade_strategy=upgrade_strategy,
force_reinstall=options.force_reinstall,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=options.ignore_requires_python,
ignore_installed=options.ignore_installed,
isolated=options.isolated_mode,
)
resolver.resolve(requirement_set)
# on -d don't do complex things like building
# wheels, and don't try to build wheels when wheel is
# not installed.
if wheel and options.cache_dir:
# build wheels before install.
wb = WheelBuilder(
requirement_set,
finder,
build_options=[],
global_options=[],
)
# Ignore the result: a failed wheel will be
# installed from the sdist/vcs whatever.
wb.build(session=session, autobuilding=True)
requirement_set.install(
install_options,
global_options,
root=options.root_path,
prefix=options.prefix_path,
)
possible_lib_locations = get_lib_location_guesses(
user=options.use_user_site,
home=target_temp_dir.path,
root=options.root_path,
prefix=options.prefix_path,
isolated=options.isolated_mode,
)
reqs = sorted(requirement_set.successfully_installed,
key=operator.attrgetter('name'))
items = []
for req in reqs:
item = req.name
try:
installed_version = get_installed_version(
req.name, possible_lib_locations)
if installed_version:
item += '-' + installed_version
except Exception:
pass
items.append(item)
installed = ' '.join(items)
if installed:
logger.info('Successfully installed %s', installed)
except EnvironmentError as e:
message_parts = []
user_option_part = "Consider using the `--user` option"
permissions_part = "Check the permissions"
if e.errno == errno.EPERM:
if not options.use_user_site:
message_parts.extend([
user_option_part,
" or ",
permissions_part.lower(),
])
else:
message_parts.append(permissions_part)
message_parts.append("\n")
logger.error("".join(message_parts),
exc_info=(options.verbose > 1))
return ERROR
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
if options.target_dir:
self._handle_target_dir(options.target_dir, target_temp_dir,
options.upgrade)
return requirement_set
class UninstallPathSet(object):
"""A set of file paths to be removed in the uninstallation of a
requirement."""
def __init__(self, dist):
self.paths = set()
self._refuse = set()
self.pth = {}
self.dist = dist
self.save_dir = TempDirectory(kind="uninstall")
self._moved_paths = []
def _permitted(self, path):
"""
Return True if the given path is one we are permitted to
remove/modify, False otherwise.
"""
return is_local(path)
def add(self, path):
head, tail = os.path.split(path)
# we normalize the head to resolve parent directory symlinks, but not
# the tail, since we only want to uninstall symlinks, not their targets
path = os.path.join(normalize_path(head), os.path.normcase(tail))
if not os.path.exists(path):
return
if self._permitted(path):
self.paths.add(path)
else:
self._refuse.add(path)
# __pycache__ files can show up after 'installed-files.txt' is created,
# due to imports
if os.path.splitext(path)[1] == '.py' and uses_pycache:
self.add(cache_from_source(path))
def add_pth(self, pth_file, entry):
pth_file = normalize_path(pth_file)
if self._permitted(pth_file):
if pth_file not in self.pth:
self.pth[pth_file] = UninstallPthEntries(pth_file)
self.pth[pth_file].add(entry)
else:
self._refuse.add(pth_file)
def compact(self, paths):
"""Compact a path set to contain the minimal number of paths
necessary to contain all paths in the set. If /a/path/ and
/a/path/to/a/file.txt are both in the set, leave only the
shorter path."""
sep = os.path.sep
short_paths = set()
for path in sorted(paths, key=len):
should_add = any(
path.startswith(shortpath.rstrip("*"))
and path[len(shortpath.rstrip("*").rstrip(sep))] == sep
for shortpath in short_paths)
if not should_add:
short_paths.add(path)
return short_paths
def _stash(self, path):
return os.path.join(self.save_dir.path,
os.path.splitdrive(path)[1].lstrip(os.path.sep))
def remove(self, auto_confirm=False, verbose=False):
"""Remove paths in ``self.paths`` with confirmation (unless
``auto_confirm`` is True)."""
if not self.paths:
logger.info(
"Can't uninstall '%s'. No files were found to uninstall.",
self.dist.project_name,
)
return
dist_name_version = (self.dist.project_name + "-" + self.dist.version)
logger.info('Uninstalling %s:', dist_name_version)
with indent_log():
if auto_confirm or self._allowed_to_proceed(verbose):
self.save_dir.create()
for path in sorted(self.compact(self.paths)):
new_path = self._stash(path)
logger.debug('Removing file or directory %s', path)
self._moved_paths.append(path)
renames(path, new_path)
for pth in self.pth.values():
pth.remove()
logger.info('Successfully uninstalled %s', dist_name_version)
def _allowed_to_proceed(self, verbose):
"""Display which files would be deleted and prompt for confirmation
"""
def _display(msg, paths):
if not paths:
return
logger.info(msg)
with indent_log():
for path in sorted(self.compact(paths)):
logger.info(path)
# In verbose mode, display all the files that are going to be deleted.
will_remove = list(self.paths)
will_skip = set()
if not verbose:
# In non-verbose mode...
# Display only the folders that have packages inside them and files
# that are not within those folders. Any files in above folders
# that would not be deleted would be displayed in a separate
# skipped list.
folders = set()
files = set()
for path in will_remove:
if path.endswith(".pyc"):
continue
if path.endswith("__init__.py") or ".dist-info" in path:
folders.add(os.path.dirname(path))
files.add(path)
folders = self.compact(folders)
# This walks the tree using os.walk to not miss extra folders
# that might get added.
for folder in folders:
for dirpath, _, dirfiles in os.walk(folder):
for fname in dirfiles:
if fname.endswith(".pyc"):
continue
file_ = os.path.join(dirpath, fname)
if os.path.isfile(file_) and file_ not in files:
# We are skipping this file. Add it to the set.
will_skip.add(file_)
will_remove = files | {
os.path.join(folder, "*")
for folder in folders
}
_display('Would remove:', will_remove)
_display('Would not remove (might be manually added):', will_skip)
_display('Would not remove (outside of prefix):', self._refuse)
return ask('Proceed (y/n)? ', ('y', 'n')) == 'y'
def rollback(self):
"""Rollback the changes previously made by remove()."""
if self.save_dir.path is None:
logger.error(
"Can't roll back %s; was not uninstalled",
self.dist.project_name,
)
return False
logger.info('Rolling back uninstall of %s', self.dist.project_name)
for path in self._moved_paths:
tmp_path = self._stash(path)
logger.debug('Replacing %s', path)
renames(tmp_path, path)
for pth in self.pth.values():
pth.rollback()
def commit(self):
"""Remove temporary save dir: rollback will no longer be possible."""
self.save_dir.cleanup()
self._moved_paths = []
@classmethod
def from_dist(cls, dist):
dist_path = normalize_path(dist.location)
if not dist_is_local(dist):
logger.info(
"Not uninstalling %s at %s, outside environment %s",
dist.key,
dist_path,
sys.prefix,
)
return cls(dist)
if dist_path in {
p
for p in
{sysconfig.get_path("stdlib"),
sysconfig.get_path("platstdlib")} if p
}:
logger.info(
"Not uninstalling %s at %s, as it is in the standard library.",
dist.key,
dist_path,
)
return cls(dist)
paths_to_remove = cls(dist)
develop_egg_link = egg_link_path(dist)
develop_egg_link_egg_info = '{0}.egg-info'.format(
pkg_resources.to_filename(dist.project_name))
egg_info_exists = dist.egg_info and os.path.exists(dist.egg_info)
# Special case for distutils installed package
distutils_egg_info = getattr(dist._provider, 'path', None)
# Uninstall cases order do matter as in the case of 2 installs of the
# same package, pip needs to uninstall the currently detected version
if (egg_info_exists and dist.egg_info.endswith('.egg-info')
and not dist.egg_info.endswith(develop_egg_link_egg_info)):
# if dist.egg_info.endswith(develop_egg_link_egg_info), we
# are in fact in the develop_egg_link case
paths_to_remove.add(dist.egg_info)
if dist.has_metadata('installed-files.txt'):
for installed_file in dist.get_metadata(
'installed-files.txt').splitlines():
path = os.path.normpath(
os.path.join(dist.egg_info, installed_file))
paths_to_remove.add(path)
# FIXME: need a test for this elif block
# occurs with --single-version-externally-managed/--record outside
# of pip
elif dist.has_metadata('top_level.txt'):
if dist.has_metadata('namespace_packages.txt'):
namespaces = dist.get_metadata('namespace_packages.txt')
else:
namespaces = []
for top_level_pkg in [
p for p in dist.get_metadata(
'top_level.txt').splitlines()
if p and p not in namespaces
]:
path = os.path.join(dist.location, top_level_pkg)
paths_to_remove.add(path)
paths_to_remove.add(path + '.py')
paths_to_remove.add(path + '.pyc')
paths_to_remove.add(path + '.pyo')
elif distutils_egg_info:
raise UninstallationError(
"Cannot uninstall {!r}. It is a distutils installed project "
"and thus we cannot accurately determine which files belong "
"to it which would lead to only a partial uninstall.".format(
dist.project_name, ))
elif dist.location.endswith('.egg'):
# package installed by easy_install
# We cannot match on dist.egg_name because it can slightly vary
# i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg
paths_to_remove.add(dist.location)
easy_install_egg = os.path.split(dist.location)[1]
easy_install_pth = os.path.join(os.path.dirname(dist.location),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, './' + easy_install_egg)
elif egg_info_exists and dist.egg_info.endswith('.dist-info'):
for path in uninstallation_paths(dist):
paths_to_remove.add(path)
elif develop_egg_link:
# develop egg
with open(develop_egg_link, 'r') as fh:
link_pointer = os.path.normcase(fh.readline().strip())
assert (link_pointer == dist.location), (
'Egg-link %s does not match installed location of %s '
'(at %s)' % (link_pointer, dist.project_name, dist.location))
paths_to_remove.add(develop_egg_link)
easy_install_pth = os.path.join(os.path.dirname(develop_egg_link),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, dist.location)
else:
logger.debug('Not sure how to uninstall: %s - Check: %s', dist,
dist.location)
# find distutils scripts= scripts
if dist.has_metadata('scripts') and dist.metadata_isdir('scripts'):
for script in dist.metadata_listdir('scripts'):
if dist_in_usersite(dist):
bin_dir = bin_user
else:
bin_dir = bin_py
paths_to_remove.add(os.path.join(bin_dir, script))
if WINDOWS:
paths_to_remove.add(os.path.join(bin_dir, script) + '.bat')
# find console_scripts
_scripts_to_remove = []
console_scripts = dist.get_entry_map(group='console_scripts')
for name in console_scripts.keys():
_scripts_to_remove.extend(_script_names(dist, name, False))
# find gui_scripts
gui_scripts = dist.get_entry_map(group='gui_scripts')
for name in gui_scripts.keys():
_scripts_to_remove.extend(_script_names(dist, name, True))
for s in _scripts_to_remove:
paths_to_remove.add(s)
return paths_to_remove
class UninstallPathSet(object):
"""A set of file paths to be removed in the uninstallation of a
requirement."""
def __init__(self, dist):
self.paths = set()
self._refuse = set()
self.pth = {}
self.dist = dist
self.save_dir = TempDirectory(kind="uninstall")
self._moved_paths = []
def _permitted(self, path):
"""
Return True if the given path is one we are permitted to
remove/modify, False otherwise.
"""
return is_local(path)
def add(self, path):
head, tail = os.path.split(path)
# we normalize the head to resolve parent directory symlinks, but not
# the tail, since we only want to uninstall symlinks, not their targets
path = os.path.join(normalize_path(head), os.path.normcase(tail))
if not os.path.exists(path):
return
if self._permitted(path):
self.paths.add(path)
else:
self._refuse.add(path)
# __pycache__ files can show up after 'installed-files.txt' is created,
# due to imports
if os.path.splitext(path)[1] == '.py' and uses_pycache:
self.add(cache_from_source(path))
def add_pth(self, pth_file, entry):
pth_file = normalize_path(pth_file)
if self._permitted(pth_file):
if pth_file not in self.pth:
self.pth[pth_file] = UninstallPthEntries(pth_file)
self.pth[pth_file].add(entry)
else:
self._refuse.add(pth_file)
def compact(self, paths):
"""Compact a path set to contain the minimal number of paths
necessary to contain all paths in the set. If /a/path/ and
/a/path/to/a/file.txt are both in the set, leave only the
shorter path."""
sep = os.path.sep
short_paths = set()
for path in sorted(paths, key=len):
should_add = any(
path.startswith(shortpath.rstrip("*")) and
path[len(shortpath.rstrip("*").rstrip(sep))] == sep
for shortpath in short_paths
)
if not should_add:
short_paths.add(path)
return short_paths
def _stash(self, path):
return os.path.join(
self.save_dir.path, os.path.splitdrive(path)[1].lstrip(os.path.sep)
)
def remove(self, auto_confirm=False, verbose=False):
"""Remove paths in ``self.paths`` with confirmation (unless
``auto_confirm`` is True)."""
if not self.paths:
logger.info(
"Can't uninstall '%s'. No files were found to uninstall.",
self.dist.project_name,
)
return
dist_name_version = (
self.dist.project_name + "-" + self.dist.version
)
logger.info('Uninstalling %s:', dist_name_version)
with indent_log():
if auto_confirm or self._allowed_to_proceed(verbose):
self.save_dir.create()
for path in sorted(self.compact(self.paths)):
new_path = self._stash(path)
logger.debug('Removing file or directory %s', path)
self._moved_paths.append(path)
renames(path, new_path)
for pth in self.pth.values():
pth.remove()
logger.info('Successfully uninstalled %s', dist_name_version)
def _allowed_to_proceed(self, verbose):
"""Display which files would be deleted and prompt for confirmation
"""
def _display(msg, paths):
if not paths:
return
logger.info(msg)
with indent_log():
for path in sorted(self.compact(paths)):
logger.info(path)
# In verbose mode, display all the files that are going to be deleted.
will_remove = list(self.paths)
will_skip = set()
if not verbose:
# In non-verbose mode...
# Display only the folders that have packages inside them and files
# that are not within those folders. Any files in above folders
# that would not be deleted would be displayed in a separate
# skipped list.
folders = set()
files = set()
for path in will_remove:
if path.endswith(".pyc"):
continue
if path.endswith("__init__.py") or ".dist-info" in path:
folders.add(os.path.dirname(path))
files.add(path)
folders = self.compact(folders)
# This walks the tree using os.walk to not miss extra folders
# that might get added.
for folder in folders:
for dirpath, _, dirfiles in os.walk(folder):
for fname in dirfiles:
if fname.endswith(".pyc"):
continue
file_ = os.path.join(dirpath, fname)
if os.path.isfile(file_) and file_ not in files:
# We are skipping this file. Add it to the set.
will_skip.add(file_)
will_remove = files | {
os.path.join(folder, "*") for folder in folders
}
_display('Would remove:', will_remove)
_display('Would not remove (might be manually added):', will_skip)
_display('Would not remove (outside of prefix):', self._refuse)
return ask('Proceed (y/n)? ', ('y', 'n')) == 'y'
def rollback(self):
"""Rollback the changes previously made by remove()."""
if self.save_dir.path is None:
logger.error(
"Can't roll back %s; was not uninstalled",
self.dist.project_name,
)
return False
logger.info('Rolling back uninstall of %s', self.dist.project_name)
for path in self._moved_paths:
tmp_path = self._stash(path)
logger.debug('Replacing %s', path)
renames(tmp_path, path)
for pth in self.pth.values():
pth.rollback()
def commit(self):
"""Remove temporary save dir: rollback will no longer be possible."""
self.save_dir.cleanup()
self._moved_paths = []
@classmethod
def from_dist(cls, dist):
dist_path = normalize_path(dist.location)
if not dist_is_local(dist):
logger.info(
"Not uninstalling %s at %s, outside environment %s",
dist.key,
dist_path,
sys.prefix,
)
return cls(dist)
if dist_path in {p for p in {sysconfig.get_path("stdlib"),
sysconfig.get_path("platstdlib")}
if p}:
logger.info(
"Not uninstalling %s at %s, as it is in the standard library.",
dist.key,
dist_path,
)
return cls(dist)
paths_to_remove = cls(dist)
develop_egg_link = egg_link_path(dist)
develop_egg_link_egg_info = '{0}.egg-info'.format(
pkg_resources.to_filename(dist.project_name))
egg_info_exists = dist.egg_info and os.path.exists(dist.egg_info)
# Special case for distutils installed package
distutils_egg_info = getattr(dist._provider, 'path', None)
# Uninstall cases order do matter as in the case of 2 installs of the
# same package, pip needs to uninstall the currently detected version
if (egg_info_exists and dist.egg_info.endswith('.egg-info') and
not dist.egg_info.endswith(develop_egg_link_egg_info)):
# if dist.egg_info.endswith(develop_egg_link_egg_info), we
# are in fact in the develop_egg_link case
paths_to_remove.add(dist.egg_info)
if dist.has_metadata('installed-files.txt'):
for installed_file in dist.get_metadata(
'installed-files.txt').splitlines():
path = os.path.normpath(
os.path.join(dist.egg_info, installed_file)
)
paths_to_remove.add(path)
# FIXME: need a test for this elif block
# occurs with --single-version-externally-managed/--record outside
# of pip
elif dist.has_metadata('top_level.txt'):
if dist.has_metadata('namespace_packages.txt'):
namespaces = dist.get_metadata('namespace_packages.txt')
else:
namespaces = []
for top_level_pkg in [
p for p
in dist.get_metadata('top_level.txt').splitlines()
if p and p not in namespaces]:
path = os.path.join(dist.location, top_level_pkg)
paths_to_remove.add(path)
paths_to_remove.add(path + '.py')
paths_to_remove.add(path + '.pyc')
paths_to_remove.add(path + '.pyo')
elif distutils_egg_info:
raise UninstallationError(
"Cannot uninstall {!r}. It is a distutils installed project "
"and thus we cannot accurately determine which files belong "
"to it which would lead to only a partial uninstall.".format(
dist.project_name,
)
)
elif dist.location.endswith('.egg'):
# package installed by easy_install
# We cannot match on dist.egg_name because it can slightly vary
# i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg
paths_to_remove.add(dist.location)
easy_install_egg = os.path.split(dist.location)[1]
easy_install_pth = os.path.join(os.path.dirname(dist.location),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, './' + easy_install_egg)
elif egg_info_exists and dist.egg_info.endswith('.dist-info'):
for path in uninstallation_paths(dist):
paths_to_remove.add(path)
elif develop_egg_link:
# develop egg
with open(develop_egg_link, 'r') as fh:
link_pointer = os.path.normcase(fh.readline().strip())
assert (link_pointer == dist.location), (
'Egg-link %s does not match installed location of %s '
'(at %s)' % (link_pointer, dist.project_name, dist.location)
)
paths_to_remove.add(develop_egg_link)
easy_install_pth = os.path.join(os.path.dirname(develop_egg_link),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, dist.location)
else:
logger.debug(
'Not sure how to uninstall: %s - Check: %s',
dist, dist.location)
# find distutils scripts= scripts
if dist.has_metadata('scripts') and dist.metadata_isdir('scripts'):
for script in dist.metadata_listdir('scripts'):
if dist_in_usersite(dist):
bin_dir = bin_user
else:
bin_dir = bin_py
paths_to_remove.add(os.path.join(bin_dir, script))
if WINDOWS:
paths_to_remove.add(os.path.join(bin_dir, script) + '.bat')
# find console_scripts
_scripts_to_remove = []
console_scripts = dist.get_entry_map(group='console_scripts')
for name in console_scripts.keys():
_scripts_to_remove.extend(_script_names(dist, name, False))
# find gui_scripts
gui_scripts = dist.get_entry_map(group='gui_scripts')
for name in gui_scripts.keys():
_scripts_to_remove.extend(_script_names(dist, name, True))
for s in _scripts_to_remove:
paths_to_remove.add(s)
return paths_to_remove
def run(self, options, args):
cmdoptions.check_install_build_global(options)
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
if options.use_user_site:
if options.prefix_path:
raise CommandError(
"Can not combine '--user' and '--prefix' as they imply "
"different installation locations"
)
if virtualenv_no_global():
raise InstallationError(
"Can not perform a '--user' install. User site-packages "
"are not visible in this virtualenv."
)
install_options.append('--user')
install_options.append('--prefix=')
target_temp_dir = TempDirectory(kind="target")
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if (os.path.exists(options.target_dir) and not
os.path.isdir(options.target_dir)):
raise CommandError(
"Target path exists but is not a directory, will not "
"continue."
)
# Create a target directory for using with the target option
target_temp_dir.create()
install_options.append('--home=' + target_temp_dir.path)
global_options = options.global_options or []
with self._build_session(options) as session:
finder = self._build_package_finder(options, session)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with TempDirectory(
options.build_dir, delete=build_delete, kind="install"
) as directory:
requirement_set = RequirementSet(
build_dir=directory.path,
src_dir=options.src_dir,
upgrade=options.upgrade,
upgrade_strategy=options.upgrade_strategy,
ignore_installed=options.ignore_installed,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=options.ignore_requires_python,
force_reinstall=options.force_reinstall,
use_user_site=options.use_user_site,
target_dir=target_temp_dir.path,
session=session,
pycompile=options.compile,
isolated=options.isolated_mode,
wheel_cache=wheel_cache,
require_hashes=options.require_hashes,
progress_bar=options.progress_bar,
)
self.populate_requirement_set(
requirement_set, args, options, finder, session, self.name,
wheel_cache
)
try:
if (not wheel or not options.cache_dir):
# on -d don't do complex things like building
# wheels, and don't try to build wheels when wheel is
# not installed.
requirement_set.prepare_files(finder)
else:
# build wheels before install.
wb = WheelBuilder(
requirement_set,
finder,
build_options=[],
global_options=[],
)
# Ignore the result: a failed wheel will be
# installed from the sdist/vcs whatever.
wb.build(autobuilding=True)
requirement_set.install(
install_options,
global_options,
root=options.root_path,
prefix=options.prefix_path,
)
possible_lib_locations = get_lib_location_guesses(
user=options.use_user_site,
home=target_temp_dir.path,
root=options.root_path,
prefix=options.prefix_path,
isolated=options.isolated_mode,
)
reqs = sorted(
requirement_set.successfully_installed,
key=operator.attrgetter('name'))
items = []
for req in reqs:
item = req.name
try:
installed_version = get_installed_version(
req.name, possible_lib_locations
)
if installed_version:
item += '-' + installed_version
except Exception:
pass
items.append(item)
installed = ' '.join(items)
if installed:
logger.info('Successfully installed %s', installed)
except EnvironmentError as e:
message_parts = []
user_option_part = "Consider using the `--user` option"
permissions_part = "Check the permissions"
if e.errno == errno.EPERM:
if not options.use_user_site:
message_parts.extend([
user_option_part, " or ",
permissions_part.lower(),
])
else:
message_parts.append(permissions_part)
message_parts.append("\n")
logger.error(
"".join(message_parts), exc_info=(options.verbose > 1)
)
return ERROR
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
if options.target_dir:
self._handle_target_dir(
options.target_dir, target_temp_dir, options.upgrade
)
return requirement_set
class InstallRequirement(object):
def __init__(self, req, comes_from, source_dir=None, editable=False,
link=None, update=True, pycompile=True, markers=None,
isolated=False, options=None, wheel_cache=None,
constraint=False, extras=()):
assert req is None or isinstance(req, Requirement), req
self.req = req
self.comes_from = comes_from
self.constraint = constraint
if source_dir is not None:
self.source_dir = os.path.normpath(os.path.abspath(source_dir))
else:
self.source_dir = None
self.editable = editable
self._wheel_cache = wheel_cache
if link is not None:
self.link = self.original_link = link
else:
from pip.index import Link
self.link = self.original_link = req and req.url and Link(req.url)
if extras:
self.extras = extras
elif req:
self.extras = set(
pkg_resources.safe_extra(extra) for extra in req.extras
)
else:
self.extras = set()
if markers is not None:
self.markers = markers
else:
self.markers = req and req.marker
self._egg_info_path = None
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
# This hold the pkg_resources.Distribution object if this requirement
# conflicts with another installed distribution:
self.conflicts_with = None
# Temporary build location
self._temp_build_dir = TempDirectory(kind="req-build")
# Used to store the global directory where the _temp_build_dir should
# have been created. Cf _correct_build_location method.
self._ideal_build_dir = None
# True if the editable should be updated:
self.update = update
# Set to True after successful installation
self.install_succeeded = None
# UninstallPathSet of uninstalled distribution (for possible rollback)
self.uninstalled_pathset = None
self.use_user_site = False
self.target_dir = None
self.options = options if options else {}
self.pycompile = pycompile
# Set to True after successful preparation of this requirement
self.prepared = False
self.isolated = isolated
@classmethod
def from_editable(cls, editable_req, comes_from=None, isolated=False,
options=None, wheel_cache=None, constraint=False):
from pip.index import Link
name, url, extras_override = parse_editable(editable_req)
if url.startswith('file:'):
source_dir = url_to_path(url)
else:
source_dir = None
if name is not None:
try:
req = Requirement(name)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % req)
else:
req = None
return cls(
req, comes_from, source_dir=source_dir,
editable=True,
link=Link(url),
constraint=constraint,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
extras=extras_override or (),
)
@classmethod
def from_req(cls, req, comes_from=None, isolated=False, wheel_cache=None):
try:
req = Requirement(req)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % req)
if req.url:
raise InstallationError(
"Direct url requirement (like %s) are not allowed for "
"dependencies" % req
)
return cls(req, comes_from, isolated=isolated, wheel_cache=wheel_cache)
@classmethod
def from_line(
cls, name, comes_from=None, isolated=False, options=None,
wheel_cache=None, constraint=False):
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
from pip.index import Link
if is_url(name):
marker_sep = '; '
else:
marker_sep = ';'
if marker_sep in name:
name, markers = name.split(marker_sep, 1)
markers = markers.strip()
if not markers:
markers = None
else:
markers = Marker(markers)
else:
markers = None
name = name.strip()
req = None
path = os.path.normpath(os.path.abspath(name))
link = None
extras = None
if is_url(name):
link = Link(name)
else:
p, extras = _strip_extras(path)
looks_like_dir = os.path.isdir(p) and (
os.path.sep in name or
(os.path.altsep is not None and os.path.altsep in name) or
name.startswith('.')
)
if looks_like_dir:
if not is_installable_dir(p):
raise InstallationError(
"Directory %r is not installable. File 'setup.py' "
"not found." % name
)
link = Link(path_to_url(p))
elif is_archive_file(p):
if not os.path.isfile(p):
logger.warning(
'Requirement %r looks like a filename, but the '
'file does not exist',
name
)
link = Link(path_to_url(p))
# it's a local file, dir, or url
if link:
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', link.url):
link = Link(
path_to_url(os.path.normpath(os.path.abspath(link.path))))
# wheel file
if link.is_wheel:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
req = "%s==%s" % (wheel.name, wheel.version)
else:
# set the req to the egg fragment. when it's not there, this
# will become an 'unnamed' requirement
req = link.egg_fragment
# a requirement specifier
else:
req = name
if extras:
extras = Requirement("placeholder" + extras.lower()).extras
else:
extras = ()
if req is not None:
try:
req = Requirement(req)
except InvalidRequirement:
if os.path.sep in req:
add_msg = "It looks like a path."
add_msg += deduce_helpful_msg(req)
elif '=' in req and not any(op in req for op in operators):
add_msg = "= is not a valid operator. Did you mean == ?"
else:
add_msg = traceback.format_exc()
raise InstallationError(
"Invalid requirement: '%s'\n%s" % (req, add_msg))
return cls(
req, comes_from, link=link, markers=markers,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
constraint=constraint,
extras=extras,
)
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 __repr__(self):
return '<%s object: %s editable=%r>' % (
self.__class__.__name__, str(self), self.editable)
def populate_link(self, finder, upgrade, require_hashes):
"""Ensure that if a link can be found for this, that it is found.
Note that self.link may still be None - if Upgrade is False and the
requirement is already installed.
If require_hashes is True, don't use the wheel cache, because cached
wheels, always built locally, have different hashes than the files
downloaded from the index server and thus throw false hash mismatches.
Furthermore, cached wheels at present have undeterministic contents due
to file modification times.
"""
if self.link is None:
self.link = finder.find_requirement(self, upgrade)
if self._wheel_cache is not None and not require_hashes:
old_link = self.link
self.link = self._wheel_cache.get(self.link, self.name)
if old_link != self.link:
logger.debug('Using cached wheel link: %s', self.link)
@property
def specifier(self):
return self.req.specifier
@property
def is_pinned(self):
"""Return whether I am pinned to an exact version.
For example, some-package==1.2 is pinned; some-package>1.2 is not.
"""
specifiers = self.specifier
return (len(specifiers) == 1 and
next(iter(specifiers)).operator in {'==', '==='})
def from_path(self):
if self.req is None:
return None
s = str(self.req)
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 += '->' + comes_from
return s
def build_location(self, build_dir):
assert build_dir is not None
if self._temp_build_dir.path is not None:
return self._temp_build_dir.path
if self.req is None:
# for requirement via a path to a directory: the name of the
# package is not available yet so we create a temp directory
# Once run_egg_info will have run, we'll be able
# to fix it via _correct_build_location
# Some systems have /tmp as a symlink which confuses custom
# builds (such as numpy). Thus, we ensure that the real path
# is returned.
self._temp_build_dir.create()
self._ideal_build_dir = build_dir
return self._temp_build_dir.path
if self.editable:
name = self.name.lower()
else:
name = self.name
# FIXME: Is there a better place to create the build_dir? (hg and bzr
# need this)
if not os.path.exists(build_dir):
logger.debug('Creating directory %s', build_dir)
_make_build_dir(build_dir)
return os.path.join(build_dir, name)
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
@property
def name(self):
if self.req is None:
return None
return native_str(pkg_resources.safe_name(self.req.name))
@property
def setup_py_dir(self):
return os.path.join(
self.source_dir,
self.link and self.link.subdirectory_fragment or '')
@property
def setup_py(self):
assert self.source_dir, "No source dir for %s" % self
cmd = [sys.executable, '-c', 'import setuptools']
output = call_subprocess(
cmd,
show_stdout=False,
command_desc='python -c "import setuptools"',
on_returncode='ignore',
)
if output:
if get_installed_version('setuptools') is None:
add_msg = "Please install setuptools."
else:
add_msg = output
# Setuptools is not available
raise InstallationError(
"Could not import setuptools which is required to "
"install from a source distribution.\n%s" % add_msg
)
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
@property
def pyproject_toml(self):
assert self.source_dir, "No source dir for %s" % self
pp_toml = os.path.join(self.setup_py_dir, 'pyproject.toml')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(pp_toml, six.text_type):
pp_toml = pp_toml.encode(sys.getfilesystemencoding())
return pp_toml
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 = [sys.executable, '-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 egg_info_data(self, filename):
if self.satisfied_by is not None:
if not self.satisfied_by.has_metadata(filename):
return None
return self.satisfied_by.get_metadata(filename)
assert self.source_dir
filename = self.egg_info_path(filename)
if not os.path.exists(filename):
return None
data = read_text_file(filename)
return data
def egg_info_path(self, filename):
if self._egg_info_path is None:
if self.editable:
base = self.source_dir
else:
base = os.path.join(self.setup_py_dir, 'pip-egg-info')
filenames = os.listdir(base)
if self.editable:
filenames = []
for root, dirs, files in os.walk(base):
for dir in vcs.dirnames:
if dir in dirs:
dirs.remove(dir)
# Iterate over a copy of ``dirs``, since mutating
# a list while iterating over it can cause trouble.
# (See https://github.com/pypa/pip/pull/462.)
for dir in list(dirs):
# Don't search in anything that looks like a virtualenv
# environment
if (
os.path.lexists(
os.path.join(root, dir, 'bin', 'python')
) or
os.path.exists(
os.path.join(
root, dir, 'Scripts', 'Python.exe'
)
)):
dirs.remove(dir)
# Also don't search through tests
elif dir == 'test' or dir == 'tests':
dirs.remove(dir)
filenames.extend([os.path.join(root, dir)
for dir in dirs])
filenames = [f for f in filenames if f.endswith('.egg-info')]
if not filenames:
raise InstallationError(
'No files/directories in %s (from %s)' % (base, filename)
)
assert filenames, \
"No files/directories in %s (from %s)" % (base, filename)
# if we have more than one match, we pick the toplevel one. This
# can easily be the case if there is a dist folder which contains
# an extracted tarball for testing purposes.
if len(filenames) > 1:
filenames.sort(
key=lambda x: x.count(os.path.sep) +
(os.path.altsep and x.count(os.path.altsep) or 0)
)
self._egg_info_path = os.path.join(base, filenames[0])
return os.path.join(self._egg_info_path, filename)
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()
_requirements_section_re = re.compile(r'\[(.*?)\]')
@property
def installed_version(self):
return get_installed_version(self.name)
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,
self.installed_version,
)
else:
logger.debug(
'Source in %s has version %s, which satisfies requirement %s',
display_path(self.source_dir),
version,
self,
)
def update_editable(self, obtain=True):
if not self.link:
logger.debug(
"Cannot update repository at %s; repository location is "
"unknown",
self.source_dir,
)
return
assert self.editable
assert self.source_dir
if self.link.scheme == 'file':
# Static paths don't get updated
return
assert '+' in self.link.url, "bad url: %r" % self.link.url
if not self.update:
return
vc_type, url = self.link.url.split('+', 1)
backend = vcs.get_backend(vc_type)
if backend:
vcs_backend = backend(self.link.url)
if obtain:
vcs_backend.obtain(self.source_dir)
else:
vcs_backend.export(self.source_dir)
else:
assert 0, (
'Unexpected version control type (in %s): %s'
% (self.link, vc_type))
def uninstall(self, auto_confirm=False, verbose=False):
"""
Uninstall the distribution currently satisfying this requirement.
Prompts before removing or modifying files unless
``auto_confirm`` is True.
Refuses to delete or modify files outside of ``sys.prefix`` -
thus uninstallation within a virtual environment can only
modify that virtual environment, even if the virtualenv is
linked to global site-packages.
"""
if not self.check_if_exists():
raise UninstallationError(
"Cannot uninstall requirement %s, not installed" % (self.name,)
)
dist = self.satisfied_by or self.conflicts_with
self.uninstalled_pathset = UninstallPathSet.from_dist(dist)
self.uninstalled_pathset.remove(auto_confirm, verbose)
def archive(self, build_dir):
assert self.source_dir
create_archive = True
archive_name = '%s-%s.zip' % (self.name, self.pkg_info()["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:
dirname = os.path.join(dirpath, dirname)
name = self._clean_zip_name(dirname, dir)
zipdir = zipfile.ZipInfo(self.name + '/' + name + '/')
zipdir.external_attr = 0x1ED << 16 # 0o755
zip.writestr(zipdir, '')
for filename in filenames:
if filename == PIP_DELETE_MARKER_FILENAME:
continue
filename = os.path.join(dirpath, filename)
name = self._clean_zip_name(filename, dir)
zip.write(filename, self.name + '/' + name)
zip.close()
logger.info('Saved %s', display_path(archive_path))
def _clean_zip_name(self, name, prefix):
assert name.startswith(prefix + os.path.sep), (
"name %r doesn't start with prefix %r" % (name, prefix)
)
name = name[len(prefix) + 1:]
name = name.replace(os.path.sep, '/')
return name
def match_markers(self, extras_requested=None):
if not extras_requested:
# Provide an extra to safely evaluate the markers
# without matching any extra
extras_requested = ('',)
if self.markers is not None:
return any(
self.markers.evaluate({'extra': extra})
for extra in extras_requested)
else:
return True
def install(self, install_options, global_options=None, root=None,
prefix=None):
global_options = global_options if global_options is not None else []
if self.editable:
self.install_editable(
install_options, global_options, prefix=prefix)
return
if self.is_wheel:
version = pip.wheel.wheel_version(self.source_dir)
pip.wheel.check_compatibility(version, self.name)
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
self.install_succeeded = True
return
# Extend the list of global and install options passed on to
# the setup.py call with the ones from the requirements file.
# Options specified in requirements file override those
# specified on the command line, since the last option given
# to setup.py is the one that is used.
global_options += self.options.get('global_options', [])
install_options += self.options.get('install_options', [])
if self.isolated:
global_options = list(global_options) + ["--no-user-cfg"]
with TempDirectory(kind="record") as temp_dir:
record_filename = os.path.join(temp_dir.path, 'install-record.txt')
install_args = self.get_install_args(
global_options, record_filename, root, prefix)
msg = 'Running setup.py install for %s' % (self.name,)
with open_spinner(msg) as spinner:
with indent_log():
call_subprocess(
install_args + install_options,
cwd=self.setup_py_dir,
show_stdout=False,
spinner=spinner,
)
if not os.path.exists(record_filename):
logger.debug('Record file %s not found', record_filename)
return
self.install_succeeded = True
def prepend_root(path):
if root is None or not os.path.isabs(path):
return path
else:
return change_root(root, path)
with open(record_filename) as f:
for line in f:
directory = os.path.dirname(line)
if directory.endswith('.egg-info'):
egg_info_dir = prepend_root(directory)
break
else:
logger.warning(
'Could not find .egg-info directory in install record'
' for %s',
self,
)
# FIXME: put the record somewhere
# FIXME: should this be an error?
return
new_lines = []
with open(record_filename) as f:
for line in f:
filename = line.strip()
if os.path.isdir(filename):
filename += os.path.sep
new_lines.append(
os.path.relpath(prepend_root(filename), egg_info_dir)
)
ensure_dir(egg_info_dir)
inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt')
with open(inst_files_path, 'w') as f:
f.write('\n'.join(new_lines) + '\n')
def ensure_has_source_dir(self, parent_dir):
"""Ensure that a source_dir is set.
This will create a temporary build dir if the name of the requirement
isn't known yet.
:param parent_dir: The ideal pip parent_dir for the source_dir.
Generally src_dir for editables and build_dir for sdists.
:return: self.source_dir
"""
if self.source_dir is None:
self.source_dir = self.build_location(parent_dir)
return self.source_dir
def get_install_args(self, global_options, record_filename, root, prefix):
install_args = [sys.executable, "-u"]
install_args.append('-c')
install_args.append(SETUPTOOLS_SHIM % self.setup_py)
install_args += list(global_options) + \
['install', '--record', record_filename]
install_args += ['--single-version-externally-managed']
if root is not None:
install_args += ['--root', root]
if prefix is not None:
install_args += ['--prefix', prefix]
if self.pycompile:
install_args += ["--compile"]
else:
install_args += ["--no-compile"]
if running_under_virtualenv():
py_ver_str = 'python' + sysconfig.get_python_version()
install_args += ['--install-headers',
os.path.join(sys.prefix, 'include', 'site',
py_ver_str, self.name)]
return install_args
def remove_temporary_source(self):
"""Remove the source files from this requirement, if they are marked
for deletion"""
if self.source_dir and os.path.exists(
os.path.join(self.source_dir, PIP_DELETE_MARKER_FILENAME)):
logger.debug('Removing source in %s', self.source_dir)
rmtree(self.source_dir)
self.source_dir = None
self._temp_build_dir.cleanup()
def install_editable(self, install_options,
global_options=(), prefix=None):
logger.info('Running setup.py develop for %s', self.name)
if self.isolated:
global_options = list(global_options) + ["--no-user-cfg"]
if prefix:
prefix_param = ['--prefix={0}'.format(prefix)]
install_options = list(install_options) + prefix_param
with indent_log():
# FIXME: should we do --install-headers here too?
call_subprocess(
[
sys.executable,
'-c',
SETUPTOOLS_SHIM % self.setup_py
] +
list(global_options) +
['develop', '--no-deps'] +
list(install_options),
cwd=self.setup_py_dir,
show_stdout=False)
self.install_succeeded = True
def check_if_exists(self):
"""Find an installed distribution that satisfies or conflicts
with this requirement, and set self.satisfied_by or
self.conflicts_with appropriately.
"""
if self.req is None:
return False
try:
# get_distribution() will resolve the entire list of requirements
# anyway, and we've already determined that we need the requirement
# in question, so strip the marker so that we don't try to
# evaluate it.
no_marker = Requirement(str(self.req))
no_marker.marker = None
self.satisfied_by = pkg_resources.get_distribution(str(no_marker))
if self.editable and self.satisfied_by:
self.conflicts_with = self.satisfied_by
# when installing editables, nothing pre-existing should ever
# satisfy
self.satisfied_by = None
return True
except pkg_resources.DistributionNotFound:
return False
except pkg_resources.VersionConflict:
existing_dist = pkg_resources.get_distribution(
self.req.name
)
if self.use_user_site:
if dist_in_usersite(existing_dist):
self.conflicts_with = existing_dist
elif (running_under_virtualenv() and
dist_in_site_packages(existing_dist)):
raise InstallationError(
"Will not install to the user site because it will "
"lack sys.path precedence to %s in %s" %
(existing_dist.project_name, existing_dist.location)
)
else:
self.conflicts_with = existing_dist
return True
@property
def is_wheel(self):
return self.link and self.link.is_wheel
def move_wheel_files(self, wheeldir, root=None, prefix=None):
move_wheel_files(
self.name, self.req, wheeldir,
user=self.use_user_site,
home=self.target_dir,
root=root,
prefix=prefix,
pycompile=self.pycompile,
isolated=self.isolated,
)
def get_dist(self):
"""Return a pkg_resources.Distribution built from self.egg_info_path"""
egg_info = self.egg_info_path('').rstrip('/')
base_dir = os.path.dirname(egg_info)
metadata = pkg_resources.PathMetadata(base_dir, egg_info)
dist_name = os.path.splitext(os.path.basename(egg_info))[0]
return pkg_resources.Distribution(
os.path.dirname(egg_info),
project_name=dist_name,
metadata=metadata)
@property
def has_hash_options(self):
"""Return whether any known-good hashes are specified as options.
These activate --require-hashes mode; hashes specified as part of a
URL do not.
"""
return bool(self.options.get('hashes', {}))
def hashes(self, trust_internet=True):
"""Return a hash-comparer that considers my option- and URL-based
hashes to be known-good.
Hashes in URLs--ones embedded in the requirements file, not ones
downloaded from an index server--are almost peers with ones from
flags. They satisfy --require-hashes (whether it was implicitly or
explicitly activated) but do not activate it. md5 and sha224 are not
allowed in flags, which should nudge people toward good algos. We
always OR all hashes together, even ones from URLs.
:param trust_internet: Whether to trust URL-based (#md5=...) hashes
downloaded from the internet, as by populate_link()
"""
good_hashes = self.options.get('hashes', {}).copy()
link = self.link if trust_internet else self.original_link
if link and link.hash:
good_hashes.setdefault(link.hash_name, []).append(link.hash)
return Hashes(good_hashes)
