You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
141 lines
3.9 KiB
141 lines
3.9 KiB
import posixpath
|
|
import re
|
|
|
|
from pip._vendor.six.moves.urllib import parse as urllib_parse
|
|
|
|
from pip._internal.download import path_to_url
|
|
from pip._internal.utils.misc import splitext
|
|
from pip._internal.utils.models import KeyBasedCompareMixin
|
|
from pip._internal.wheel import wheel_ext
|
|
|
|
|
|
class Link(KeyBasedCompareMixin):
|
|
"""Represents a parsed link from a Package Index's simple URL
|
|
"""
|
|
|
|
def __init__(self, url, comes_from=None, requires_python=None):
|
|
"""
|
|
url:
|
|
url of the resource pointed to (href of the link)
|
|
comes_from:
|
|
instance of HTMLPage where the link was found, or string.
|
|
requires_python:
|
|
String containing the `Requires-Python` metadata field, specified
|
|
in PEP 345. This may be specified by a data-requires-python
|
|
attribute in the HTML link tag, as described in PEP 503.
|
|
"""
|
|
|
|
# url can be a UNC windows share
|
|
if url.startswith('\\\\'):
|
|
url = path_to_url(url)
|
|
|
|
self.url = url
|
|
self.comes_from = comes_from
|
|
self.requires_python = requires_python if requires_python else None
|
|
|
|
super(Link, self).__init__(
|
|
key=(self.url),
|
|
defining_class=Link
|
|
)
|
|
|
|
def __str__(self):
|
|
if self.requires_python:
|
|
rp = ' (requires-python:%s)' % self.requires_python
|
|
else:
|
|
rp = ''
|
|
if self.comes_from:
|
|
return '%s (from %s)%s' % (self.url, self.comes_from, rp)
|
|
else:
|
|
return str(self.url)
|
|
|
|
def __repr__(self):
|
|
return '<Link %s>' % self
|
|
|
|
@property
|
|
def filename(self):
|
|
_, netloc, path, _, _ = urllib_parse.urlsplit(self.url)
|
|
name = posixpath.basename(path.rstrip('/')) or netloc
|
|
name = urllib_parse.unquote(name)
|
|
assert name, ('URL %r produced no filename' % self.url)
|
|
return name
|
|
|
|
@property
|
|
def scheme(self):
|
|
return urllib_parse.urlsplit(self.url)[0]
|
|
|
|
@property
|
|
def netloc(self):
|
|
return urllib_parse.urlsplit(self.url)[1]
|
|
|
|
@property
|
|
def path(self):
|
|
return urllib_parse.unquote(urllib_parse.urlsplit(self.url)[2])
|
|
|
|
def splitext(self):
|
|
return splitext(posixpath.basename(self.path.rstrip('/')))
|
|
|
|
@property
|
|
def ext(self):
|
|
return self.splitext()[1]
|
|
|
|
@property
|
|
def url_without_fragment(self):
|
|
scheme, netloc, path, query, fragment = urllib_parse.urlsplit(self.url)
|
|
return urllib_parse.urlunsplit((scheme, netloc, path, query, None))
|
|
|
|
_egg_fragment_re = re.compile(r'[#&]egg=([^&]*)')
|
|
|
|
@property
|
|
def egg_fragment(self):
|
|
match = self._egg_fragment_re.search(self.url)
|
|
if not match:
|
|
return None
|
|
return match.group(1)
|
|
|
|
_subdirectory_fragment_re = re.compile(r'[#&]subdirectory=([^&]*)')
|
|
|
|
@property
|
|
def subdirectory_fragment(self):
|
|
match = self._subdirectory_fragment_re.search(self.url)
|
|
if not match:
|
|
return None
|
|
return match.group(1)
|
|
|
|
_hash_re = re.compile(
|
|
r'(sha1|sha224|sha384|sha256|sha512|md5)=([a-f0-9]+)'
|
|
)
|
|
|
|
@property
|
|
def hash(self):
|
|
match = self._hash_re.search(self.url)
|
|
if match:
|
|
return match.group(2)
|
|
return None
|
|
|
|
@property
|
|
def hash_name(self):
|
|
match = self._hash_re.search(self.url)
|
|
if match:
|
|
return match.group(1)
|
|
return None
|
|
|
|
@property
|
|
def show_url(self):
|
|
return posixpath.basename(self.url.split('#', 1)[0].split('?', 1)[0])
|
|
|
|
@property
|
|
def is_wheel(self):
|
|
return self.ext == wheel_ext
|
|
|
|
@property
|
|
def is_artifact(self):
|
|
"""
|
|
Determines if this points to an actual artifact (e.g. a tarball) or if
|
|
it points to an "abstract" thing like a path or a VCS location.
|
|
"""
|
|
from pip._internal.vcs import vcs
|
|
|
|
if self.scheme in vcs.all_schemes:
|
|
return False
|
|
|
|
return True
|
|
|