def __init__(self,
find_links,
index_urls,
use_wheel=True,
allow_external=[],
allow_unverified=[],
allow_all_external=False,
allow_all_unverified=False,
allow_all_prereleases=False,
process_dependency_links=False,
session=None):
self.find_links = find_links
self.index_urls = index_urls
self.dependency_links = []
self.cache = PageCache()
# These are boring links that have already been logged somehow:
self.logged_links = set()
self.use_wheel = use_wheel
# Do we allow (safe and verifiable) externally hosted files?
self.allow_external = set(normalize_name(n) for n in allow_external)
# Which names are allowed to install insecure and unverifiable files?
self.allow_unverified = set(
normalize_name(n) for n in allow_unverified)
# Anything that is allowed unverified is also allowed external
self.allow_external |= self.allow_unverified
# Do we allow all (safe and verifiable) externally hosted files?
self.allow_all_external = allow_all_external
# Do we all insecure and unverifiable files?
self.allow_all_unverified = allow_all_unverified
# Stores if we ignored any external links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_external = False
# Stores if we ignored any unsafe links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_unverified = False
# Do we want to allow _all_ pre-releases?
self.allow_all_prereleases = allow_all_prereleases
# Do we process dependency links?
self.process_dependency_links = process_dependency_links
self._have_warned_dependency_links = False
# The Session we'll use to make requests
self.session = session or PipSession()
def _get_queued_page(self, req, pending_queue, done, seen):
while 1:
try:
location = pending_queue.get(False)
except QueueEmpty:
return
if location in seen:
continue
seen.add(location)
page = self._get_page(location, req)
if page is None:
continue
done.append(page)
for link in page.rel_links():
normalized = normalize_name(req.name).lower()
if (not normalized in self.allow_external
and not self.allow_all_external):
self.need_warn_external = True
logger.debug("Not searching %s for files because external "
"urls are disallowed." % link)
continue
if (link.trusted is not None
and not link.trusted
and not normalized in self.allow_insecure
and not self.allow_all_insecure): # TODO: Remove after release
logger.debug("Not searching %s for urls, it is an "
"untrusted link and cannot produce safe or "
"verifiable files." % link)
self.need_warn_insecure = True
continue
pending_queue.put(link)
def _get_queued_page(self, req, pending_queue, done, seen):
while 1:
try:
location = pending_queue.get(False)
except QueueEmpty:
return
if location in seen:
continue
seen.add(location)
page = self._get_page(location, req)
if page is None:
continue
done.append(page)
for link in page.rel_links():
normalized = normalize_name(req.name).lower()
if (not normalized in self.allow_external
and not self.allow_all_external):
self.need_warn_external = True
logger.debug("Not searching %s for files because external "
"urls are disallowed." % link)
continue
if (link.trusted is not None and not link.trusted
and not normalized in self.allow_insecure
and not self.allow_all_insecure
): # TODO: Remove after release
logger.debug("Not searching %s for urls, it is an "
"untrusted link and cannot produce safe or "
"verifiable files." % link)
self.need_warn_insecure = True
continue
pending_queue.put(link)
def __init__(self, find_links, index_urls,
use_wheel=True, allow_external=[], allow_unverified=[],
allow_all_external=False, allow_all_unverified=False, allow_all_prereleases=False,
process_dependency_links=False, session=None):
self.find_links = find_links
self.index_urls = index_urls
self.dependency_links = []
self.cache = PageCache()
# These are boring links that have already been logged somehow:
self.logged_links = set()
self.use_wheel = use_wheel
# Do we allow (safe and verifiable) externally hosted files?
self.allow_external = set(normalize_name(n) for n in allow_external)
# Which names are allowed to install insecure and unverifiable files?
self.allow_unverified = set(
normalize_name(n) for n in allow_unverified
)
# Anything that is allowed unverified is also allowed external
self.allow_external |= self.allow_unverified
# Do we allow all (safe and verifiable) externally hosted files?
self.allow_all_external = allow_all_external
# Do we all insecure and unverifiable files?
self.allow_all_unverified = allow_all_unverified
# Stores if we ignored any external links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_external = False
# Stores if we ignored any unsafe links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_unverified = False
# Do we want to allow _all_ pre-releases?
self.allow_all_prereleases = allow_all_prereleases
# Do we process dependency links?
self.process_dependency_links = process_dependency_links
self._have_warned_dependency_links = False
# The Session we'll use to make requests
self.session = session or PipSession()
def __init__(self,
find_links,
index_urls,
use_mirrors=False,
mirrors=None,
main_mirror_url=None,
use_wheel=False,
allow_external=[],
allow_insecure=[],
allow_all_external=False,
allow_all_insecure=False,
allow_all_prereleases=False):
self.find_links = find_links
self.index_urls = index_urls
self.dependency_links = []
self.cache = PageCache()
# These are boring links that have already been logged somehow:
self.logged_links = set()
if use_mirrors:
self.mirror_urls = self._get_mirror_urls(mirrors, main_mirror_url)
logger.info('Using PyPI mirrors: %s' % ', '.join(self.mirror_urls))
else:
self.mirror_urls = []
self.use_wheel = use_wheel
# Do we allow (safe and verifiable) externally hosted files?
self.allow_external = set(normalize_name(n) for n in allow_external)
# Which names are allowed to install insecure and unverifiable files?
self.allow_insecure = set(normalize_name(n) for n in allow_insecure)
# Do we allow all (safe and verifiable) externally hosted files?
self.allow_all_external = allow_all_external
# Do we allow unsafe and unverifiable files?
self.allow_all_insecure = allow_all_insecure
# Stores if we ignored any external links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_external = False
# Stores if we ignored any unsafe links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_insecure = False
# Do we want to allow _all_ pre-releases?
self.allow_all_prereleases = allow_all_prereleases
def __init__(self, find_links, index_urls,
use_wheel=True, allow_external=[], allow_unverified=[],
allow_all_external=False, allow_all_prereleases=False,
session=None):
if session is None:
raise TypeError(
"PackageFinder() missing 1 required keyword argument: "
"'session'"
)
self.find_links = find_links
self.index_urls = index_urls
# These are boring links that have already been logged somehow:
self.logged_links = set()
self.use_wheel = use_wheel
# Do we allow (safe and verifiable) externally hosted files?
self.allow_external = set(normalize_name(n) for n in allow_external)
# Which names are allowed to install insecure and unverifiable files?
self.allow_unverified = set(
normalize_name(n) for n in allow_unverified
)
# Anything that is allowed unverified is also allowed external
self.allow_external |= self.allow_unverified
# Do we allow all (safe and verifiable) externally hosted files?
self.allow_all_external = allow_all_external
# Stores if we ignored any external links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_external = False
# Stores if we ignored any unsafe links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_unverified = False
# Do we want to allow _all_ pre-releases?
self.allow_all_prereleases = allow_all_prereleases
# The Session we'll use to make requests
self.session = session
def _find_url_name(self, index_url, url_name, req):
"""Finds the true URL name of a package, when the given name isn't quite correct.
This is usually used to implement case-insensitivity."""
if not index_url.url.endswith('/'):
# Vaguely part of the PyPI API... weird but true.
## FIXME: bad to modify this?
index_url.url += '/'
page = self._get_page(index_url, req)
if page is None:
logger.fatal('Cannot fetch index base URL %s' % index_url)
return
norm_name = normalize_name(req.url_name)
for link in page.links:
base = posixpath.basename(link.path.rstrip('/'))
if norm_name == normalize_name(base):
logger.notify('Real name of requirement %s is %s' % (url_name, base))
return base
return None
def _find_url_name(self, index_url, url_name, req):
"""Finds the true URL name of a package, when the given name isn't quite correct.
This is usually used to implement case-insensitivity."""
if not index_url.url.endswith('/'):
# Vaguely part of the PyPI API... weird but true.
## FIXME: bad to modify this?
index_url.url += '/'
page = self._get_page(index_url, req)
if page is None:
logger.fatal('Cannot fetch index base URL %s' % index_url)
return
norm_name = normalize_name(req.url_name)
for link in page.links:
base = posixpath.basename(link.path.rstrip('/'))
if norm_name == normalize_name(base):
logger.notify('Real name of requirement %s is %s' % (url_name, base))
return base
return None
def __init__(self, find_links, index_urls,
use_mirrors=False, mirrors=None, main_mirror_url=None,
use_wheel=False, allow_external=[], allow_insecure=[],
allow_all_external=False, allow_all_insecure=False,
allow_all_prereleases=False):
self.find_links = find_links
self.index_urls = index_urls
self.dependency_links = []
self.cache = PageCache()
# These are boring links that have already been logged somehow:
self.logged_links = set()
if use_mirrors:
self.mirror_urls = self._get_mirror_urls(mirrors, main_mirror_url)
logger.info('Using PyPI mirrors: %s' % ', '.join(self.mirror_urls))
else:
self.mirror_urls = []
self.use_wheel = use_wheel
# Do we allow (safe and verifiable) externally hosted files?
self.allow_external = set(normalize_name(n) for n in allow_external)
# Which names are allowed to install insecure and unverifiable files?
self.allow_insecure = set(normalize_name(n) for n in allow_insecure)
# Do we allow all (safe and verifiable) externally hosted files?
self.allow_all_external = allow_all_external
# Do we allow unsafe and unverifiable files?
self.allow_all_insecure = allow_all_insecure
# Stores if we ignored any external links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_external = False
# Stores if we ignored any unsafe links so that we can instruct
# end users how to install them if no distributions are available
self.need_warn_insecure = False
# Do we want to allow _all_ pre-releases?
self.allow_all_prereleases = allow_all_prereleases
def _get_pages(self, locations, req):
"""
Yields (page, page_url) from the given locations, skipping
locations that have errors, and adding download/homepage links
"""
all_locations = list(locations)
seen = set()
while all_locations:
location = all_locations.pop(0)
if location in seen:
continue
seen.add(location)
page = self._get_page(location, req)
if page is None:
continue
yield page
for link in page.rel_links():
normalized = normalize_name(req.name).lower()
if (normalized not in self.allow_external
and not self.allow_all_external):
self.need_warn_external = True
logger.debug("Not searching %s for files because external "
"urls are disallowed." % link)
continue
if (link.trusted is not None
and not link.trusted
and normalized not in self.allow_unverified):
logger.debug(
"Not searching %s for urls, it is an "
"untrusted link and cannot produce safe or "
"verifiable files." % link
)
self.need_warn_unverified = True
continue
all_locations.append(link)
def _get_pages(self, locations, req):
"""
Yields (page, page_url) from the given locations, skipping
locations that have errors, and adding download/homepage links
"""
all_locations = list(locations)
seen = set()
while all_locations:
location = all_locations.pop(0)
if location in seen:
continue
seen.add(location)
page = self._get_page(location, req)
if page is None:
continue
yield page
for link in page.rel_links():
normalized = normalize_name(req.name).lower()
if (normalized not in self.allow_external
and not self.allow_all_external):
self.need_warn_external = True
logger.debug("Not searching %s for files because external "
"urls are disallowed." % link)
continue
if (link.trusted is not None
and not link.trusted
and normalized not in self.allow_unverified):
logger.debug(
"Not searching %s for urls, it is an "
"untrusted link and cannot produce safe or "
"verifiable files." % link
)
self.need_warn_unverified = True
continue
all_locations.append(link)
def _link_package_versions(self, link, search_name):
"""
Return an iterable of triples (pkg_resources_version_key,
link, python_version) that can be extracted from the given
link.
Meant to be overridden by subclasses, not called by clients.
"""
platform = get_platform()
version = None
if link.egg_fragment:
egg_info = link.egg_fragment
else:
egg_info, ext = link.splitext()
if not ext:
if link not in self.logged_links:
logger.debug('Skipping link %s; not a file' % link)
self.logged_links.add(link)
return []
if egg_info.endswith('.tar'):
# Special double-extension case:
egg_info = egg_info[:-4]
ext = '.tar' + ext
if ext not in self._known_extensions():
if link not in self.logged_links:
logger.debug(
'Skipping link %s; unknown archive format: %s' %
(link, ext))
self.logged_links.add(link)
return []
if "macosx10" in link.path and ext == '.zip':
if link not in self.logged_links:
logger.debug('Skipping link %s; macosx10 one' % (link))
self.logged_links.add(link)
return []
if ext == wheel_ext:
try:
wheel = Wheel(link.filename)
except InvalidWheelFilename:
logger.debug(
'Skipping %s because the wheel filename is invalid' %
link)
return []
if wheel.name.lower() != search_name.lower():
logger.debug(
'Skipping link %s; wrong project name (not %s)' %
(link, search_name))
return []
if not wheel.supported():
logger.debug(
'Skipping %s because it is not compatible with this Python'
% link)
return []
# This is a dirty hack to prevent installing Binary Wheels from
# PyPI unless it is a Windows or Mac Binary Wheel. This is
# paired with a change to PyPI disabling uploads for the
# same. Once we have a mechanism for enabling support for binary
# wheels on linux that deals with the inherent problems of
# binary distribution this can be removed.
comes_from = getattr(link, "comes_from", None)
if ((not platform.startswith('win')
and not platform.startswith('macosx'))
and comes_from is not None and urlparse.urlparse(
comes_from.url).netloc.endswith("pypi.python.org")
):
if not wheel.supported(tags=supported_tags_noarch):
logger.debug(
"Skipping %s because it is a pypi-hosted binary "
"Wheel on an unsupported platform" % link)
return []
version = wheel.version
if not version:
version = self._egg_info_matches(egg_info, search_name, link)
if version is None:
logger.debug('Skipping link %s; wrong project name (not %s)' %
(link, search_name))
return []
if (link.internal is not None and not link.internal and
not normalize_name(search_name).lower() in self.allow_external
and not self.allow_all_external):
# We have a link that we are sure is external, so we should skip
# it unless we are allowing externals
logger.debug("Skipping %s because it is externally hosted." % link)
self.need_warn_external = True
return []
if (link.verifiable is not None and not link.verifiable
and not (normalize_name(search_name).lower()
in self.allow_unverified)
and not self.allow_all_unverified):
# We have a link that we are sure we cannot verify it's integrity,
# so we should skip it unless we are allowing unsafe installs
# for this requirement.
logger.debug("Skipping %s because it is an insecure and "
"unverifiable file." % link)
self.need_warn_unverified = True
return []
match = self._py_version_re.search(version)
if match:
version = version[:match.start()]
py_version = match.group(1)
if py_version != sys.version[:3]:
logger.debug(
'Skipping %s because Python version is incorrect' % link)
return []
logger.debug('Found link %s, version: %s' % (link, version))
return [(pkg_resources.parse_version(version), link, version)]
def _link_package_versions(self, link, search_name):
"""
Return an iterable of triples (pkg_resources_version_key,
link, python_version) that can be extracted from the given
link.
Meant to be overridden by subclasses, not called by clients.
"""
platform = get_platform()
version = None
if link.egg_fragment:
egg_info = link.egg_fragment
else:
egg_info, ext = link.splitext()
if not ext:
if link not in self.logged_links:
logger.debug('Skipping link %s; not a file' % link)
self.logged_links.add(link)
return []
if egg_info.endswith('.tar'):
# Special double-extension case:
egg_info = egg_info[:-4]
ext = '.tar' + ext
if ext not in self._known_extensions():
if link not in self.logged_links:
logger.debug(
'Skipping link %s; unknown archive format: %s' %
(link, ext)
)
self.logged_links.add(link)
return []
if "macosx10" in link.path and ext == '.zip':
if link not in self.logged_links:
logger.debug('Skipping link %s; macosx10 one' % (link))
self.logged_links.add(link)
return []
if ext == wheel_ext:
try:
wheel = Wheel(link.filename)
except InvalidWheelFilename:
logger.debug(
'Skipping %s because the wheel filename is invalid' %
link
)
return []
if wheel.name.lower() != search_name.lower():
logger.debug(
'Skipping link %s; wrong project name (not %s)' %
(link, search_name)
)
return []
if not wheel.supported():
logger.debug(
'Skipping %s because it is not compatible with this '
'Python' % link
)
return []
# This is a dirty hack to prevent installing Binary Wheels from
# PyPI unless it is a Windows or Mac Binary Wheel. This is
# paired with a change to PyPI disabling uploads for the
# same. Once we have a mechanism for enabling support for
# binary wheels on linux that deals with the inherent problems
# of binary distribution this can be removed.
comes_from = getattr(link, "comes_from", None)
if (
(
not platform.startswith('win')
and not platform.startswith('macosx')
)
and comes_from is not None
and urlparse.urlparse(
comes_from.url
).netloc.endswith("pypi.python.org")):
if not wheel.supported(tags=supported_tags_noarch):
logger.debug(
"Skipping %s because it is a pypi-hosted binary "
"Wheel on an unsupported platform" % link
)
return []
version = wheel.version
if not version:
version = self._egg_info_matches(egg_info, search_name, link)
if version is None:
logger.debug(
'Skipping link %s; wrong project name (not %s)' %
(link, search_name)
)
return []
if (link.internal is not None
and not link.internal
and not normalize_name(search_name).lower()
in self.allow_external
and not self.allow_all_external):
# We have a link that we are sure is external, so we should skip
# it unless we are allowing externals
logger.debug("Skipping %s because it is externally hosted." % link)
self.need_warn_external = True
return []
if (link.verifiable is not None
and not link.verifiable
and not (normalize_name(search_name).lower()
in self.allow_unverified)):
# We have a link that we are sure we cannot verify its integrity,
# so we should skip it unless we are allowing unsafe installs
# for this requirement.
logger.debug("Skipping %s because it is an insecure and "
"unverifiable file." % link)
self.need_warn_unverified = True
return []
match = self._py_version_re.search(version)
if match:
version = version[:match.start()]
py_version = match.group(1)
if py_version != sys.version[:3]:
logger.debug(
'Skipping %s because Python version is incorrect' % link
)
return []
logger.debug('Found link %s, version: %s' % (link, version))
return [(
pkg_resources.parse_version(version),
link,
version,
)]
def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None):
if session is None:
session = PipSession()
skip_match = None
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
skip_match = re.compile(skip_regex)
reqs_file_dir = os.path.dirname(os.path.abspath(filename))
filename, content = get_file_content(
filename,
comes_from=comes_from,
session=session,
)
for line_number, line in enumerate(content.splitlines()):
line_number += 1
line = line.strip()
# Remove comments from file
line = re.sub(r"(^|\s)#.*$", "", line)
if not line or line.startswith('#'):
continue
if skip_match and skip_match.search(line):
continue
if line.startswith('-r') or line.startswith('--requirement'):
if line.startswith('-r'):
req_url = line[2:].strip()
else:
req_url = line[len('--requirement'):].strip().strip('=')
if _scheme_re.search(filename):
# Relative to a URL
req_url = urlparse.urljoin(filename, req_url)
elif not _scheme_re.search(req_url):
req_url = os.path.join(os.path.dirname(filename), req_url)
for item in parse_requirements(
req_url, finder,
comes_from=filename,
options=options,
session=session):
yield item
elif line.startswith('-Z') or line.startswith('--always-unzip'):
# No longer used, but previously these were used in
# requirement files, so we'll ignore.
pass
elif line.startswith('-f') or line.startswith('--find-links'):
if line.startswith('-f'):
line = line[2:].strip()
else:
line = line[len('--find-links'):].strip().lstrip('=')
## FIXME: it would be nice to keep track of the source of
## the find_links:
# support a find-links local path relative to a requirements file
relative_to_reqs_file = os.path.join(reqs_file_dir, line)
if os.path.exists(relative_to_reqs_file):
line = relative_to_reqs_file
if finder:
finder.find_links.append(line)
elif line.startswith('-i') or line.startswith('--index-url'):
if line.startswith('-i'):
line = line[2:].strip()
else:
line = line[len('--index-url'):].strip().lstrip('=')
if finder:
finder.index_urls = [line]
elif line.startswith('--extra-index-url'):
line = line[len('--extra-index-url'):].strip().lstrip('=')
if finder:
finder.index_urls.append(line)
elif line.startswith('--use-wheel'):
finder.use_wheel = True
elif line.startswith('--no-index'):
finder.index_urls = []
elif line.startswith("--allow-external"):
line = line[len("--allow-external"):].strip().lstrip("=")
finder.allow_external |= set([normalize_name(line).lower()])
elif line.startswith("--allow-all-external"):
finder.allow_all_external = True
# Remove in 1.7
elif line.startswith("--no-allow-external"):
pass
# Remove in 1.7
elif line.startswith("--no-allow-insecure"):
pass
# Remove after 1.7
elif line.startswith("--allow-insecure"):
line = line[len("--allow-insecure"):].strip().lstrip("=")
finder.allow_unverified |= set([normalize_name(line).lower()])
elif line.startswith("--allow-unverified"):
line = line[len("--allow-unverified"):].strip().lstrip("=")
finder.allow_unverified |= set([normalize_name(line).lower()])
else:
comes_from = '-r %s (line %s)' % (filename, line_number)
if line.startswith('-e') or line.startswith('--editable'):
if line.startswith('-e'):
line = line[2:].strip()
else:
line = line[len('--editable'):].strip().lstrip('=')
req = InstallRequirement.from_editable(
line,
comes_from=comes_from,
default_vcs=options.default_vcs if options else None
)
else:
req = InstallRequirement.from_line(
line,
comes_from,
prereleases=getattr(options, "pre", None)
)
yield req
def parse_requirements(filename,
finder=None,
comes_from=None,
options=None,
session=None):
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'")
skip_match = None
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
skip_match = re.compile(skip_regex)
reqs_file_dir = os.path.dirname(os.path.abspath(filename))
filename, content = get_file_content(
filename,
comes_from=comes_from,
session=session,
)
for line_number, line in enumerate(content.splitlines(), 1):
line = line.strip()
# Remove comments from file
line = re.sub(r"(^|\s)#.*$", "", line)
if not line or line.startswith('#'):
continue
if skip_match and skip_match.search(line):
continue
if line.startswith('-r') or line.startswith('--requirement'):
if line.startswith('-r'):
req_url = line[2:].strip()
else:
req_url = line[len('--requirement'):].strip().strip('=')
if _scheme_re.search(filename):
# Relative to a URL
req_url = urlparse.urljoin(filename, req_url)
elif not _scheme_re.search(req_url):
req_url = os.path.join(os.path.dirname(filename), req_url)
for item in parse_requirements(req_url,
finder,
comes_from=filename,
options=options,
session=session):
yield item
elif line.startswith('-Z') or line.startswith('--always-unzip'):
# No longer used, but previously these were used in
# requirement files, so we'll ignore.
pass
elif line.startswith('-f') or line.startswith('--find-links'):
if line.startswith('-f'):
line = line[2:].strip()
else:
line = line[len('--find-links'):].strip().lstrip('=')
# FIXME: it would be nice to keep track of the source of
# the find_links:
# support a find-links local path relative to a requirements file
relative_to_reqs_file = os.path.join(reqs_file_dir, line)
if os.path.exists(relative_to_reqs_file):
line = relative_to_reqs_file
if finder:
finder.find_links.append(line)
elif line.startswith('-i') or line.startswith('--index-url'):
if line.startswith('-i'):
line = line[2:].strip()
else:
line = line[len('--index-url'):].strip().lstrip('=')
if finder:
finder.index_urls = [line]
elif line.startswith('--extra-index-url'):
line = line[len('--extra-index-url'):].strip().lstrip('=')
if finder:
finder.index_urls.append(line)
elif line.startswith('--use-wheel'):
finder.use_wheel = True
elif line.startswith('--no-index'):
finder.index_urls = []
elif line.startswith("--allow-external"):
line = line[len("--allow-external"):].strip().lstrip("=")
finder.allow_external |= set([normalize_name(line).lower()])
elif line.startswith("--allow-all-external"):
finder.allow_all_external = True
# Remove in 1.7
elif line.startswith("--no-allow-external"):
pass
# Remove in 1.7
elif line.startswith("--no-allow-insecure"):
pass
# Remove after 1.7
elif line.startswith("--allow-insecure"):
line = line[len("--allow-insecure"):].strip().lstrip("=")
finder.allow_unverified |= set([normalize_name(line).lower()])
elif line.startswith("--allow-unverified"):
line = line[len("--allow-unverified"):].strip().lstrip("=")
finder.allow_unverified |= set([normalize_name(line).lower()])
else:
comes_from = '-r %s (line %s)' % (filename, line_number)
if line.startswith('-e') or line.startswith('--editable'):
if line.startswith('-e'):
line = line[2:].strip()
else:
line = line[len('--editable'):].strip().lstrip('=')
req = InstallRequirement.from_editable(
line,
comes_from=comes_from,
default_vcs=options.default_vcs if options else None)
else:
req = InstallRequirement.from_line(line,
comes_from,
prereleases=getattr(
options, "pre", None))
yield req