def from_line(cls, name, comes_from=None, prereleases=None):
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
url = None
name = name.strip()
req = None
path = os.path.normpath(os.path.abspath(name))
link = None
if is_url(name):
link = Link(name)
elif (os.path.isdir(path)
and (os.path.sep in name or name.startswith('.'))):
if not is_installable_dir(path):
raise InstallationError(
"Directory %r is not installable. File 'setup.py' not "
"found." % name
)
link = Link(path_to_url(name))
elif is_archive_file(path):
if not os.path.isfile(path):
logger.warn(
'Requirement %r looks like a filename, but the file does '
'not exist',
name
)
link = Link(path_to_url(name))
# If the line has an egg= definition, but isn't editable, pull the
# requirement out. Otherwise, assume the name is the req for the non
# URL/path/archive case.
if link and req is None:
url = link.url_without_fragment
# when fragment is None, this will become an 'unnamed' requirement
req = link.egg_fragment
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', url):
url = path_to_url(os.path.normpath(os.path.abspath(link.path)))
# fail early for invalid or unsupported wheels
if link.ext == wheel_ext:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
if not wheel.supported():
raise UnsupportedWheel(
"%s is not a supported wheel on this platform." %
wheel.filename
)
else:
req = name
return cls(req, comes_from, url=url, prereleases=prereleases)
def from_line(cls, name, comes_from=None, prereleases=None):
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
url = None
name = name.strip()
req = None
path = os.path.normpath(os.path.abspath(name))
link = None
if is_url(name):
link = Link(name)
elif (os.path.isdir(path)
and (os.path.sep in name or name.startswith('.'))):
if not is_installable_dir(path):
raise InstallationError(
"Directory %r is not installable. File 'setup.py' not "
"found." % name
)
link = Link(path_to_url(name))
elif is_archive_file(path):
if not os.path.isfile(path):
logger.warn(
'Requirement %r looks like a filename, but the file does '
'not exist',
name
)
link = Link(path_to_url(name))
# If the line has an egg= definition, but isn't editable, pull the
# requirement out. Otherwise, assume the name is the req for the non
# URL/path/archive case.
if link and req is None:
url = link.url_without_fragment
# when fragment is None, this will become an 'unnamed' requirement
req = link.egg_fragment
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', url):
url = path_to_url(os.path.normpath(os.path.abspath(link.path)))
# fail early for invalid or unsupported wheels
if link.ext == wheel_ext:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
if not wheel.supported():
raise UnsupportedWheel(
"%s is not a supported wheel on this platform." %
wheel.filename
)
else:
req = name
return cls(req, comes_from, url=url, prereleases=prereleases)
def from_line(cls, name, comes_from=None, isolated=False):
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
from pip.index import Link
url = None
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 = None
name = name.strip()
req = None
path = os.path.normpath(os.path.abspath(name))
link = None
if is_url(name):
link = Link(name)
elif (os.path.isdir(path)
and (os.path.sep in name or name.startswith('.'))):
if not is_installable_dir(path):
raise InstallationError(
"Directory %r is not installable. File 'setup.py' not "
"found." % name
)
link = Link(path_to_url(name))
elif is_archive_file(path):
if not os.path.isfile(path):
logger.warning(
'Requirement %r looks like a filename, but the file does '
'not exist',
name
)
link = Link(path_to_url(name))
# it's a local file, dir, or url
if link:
url = link.url
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', url):
url = path_to_url(os.path.normpath(os.path.abspath(link.path)))
# wheel file
if link.ext == wheel_ext:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
if not wheel.supported():
raise UnsupportedWheel(
"%s is not a supported wheel on this platform." %
wheel.filename
)
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
return cls(req, comes_from, url=url, markers=markers,
isolated=isolated)
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 = 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
if not wheel.supported():
raise UnsupportedWheel(
"%s is not a supported wheel on this platform." %
wheel.filename)
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
options = options if options else {}
res = cls(req,
comes_from,
link=link,
markers=markers,
isolated=isolated,
options=options,
wheel_cache=wheel_cache,
constraint=constraint)
if extras:
res.extras = pkg_resources.Requirement.parse('__placeholder__' +
extras).extras
return res
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 = 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
if not wheel.supported():
raise UnsupportedWheel("%s is not a supported wheel on this platform." % wheel.filename)
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
options = options if options else {}
res = cls(
req,
comes_from,
link=link,
markers=markers,
isolated=isolated,
options=options,
wheel_cache=wheel_cache,
constraint=constraint,
)
if extras:
res.extras = pkg_resources.Requirement.parse("__placeholder__" + extras).extras
return res
