def resolve(
self,
line, # type: LogicalLine
origin, # type: str
is_constraints=False, # type: bool
fetcher=None, # type: Optional[URLFetcher]
):
# type: (...) -> Iterator[Source]
def create_parse_error(msg):
# type: (str) -> ParseError
return ParseError(
line,
"Problem resolving {} file: {}".format(
"constraints" if is_constraints else "requirements", msg),
)
url = urlparse.urlparse(urlparse.urljoin(self.origin, origin))
if url.scheme and url.netloc:
if fetcher is None:
raise create_parse_error(
"The source is a url but no fetcher was supplied to resolve its contents with."
)
try:
with self.from_url(fetcher, origin) as source:
yield source
except OSError as e:
raise create_parse_error(str(e))
return
path = url.path if url.scheme == "file" else origin
try:
with self.from_file(path, is_constraints=is_constraints) as source:
yield source
except (IOError, OSError) as e:
raise create_parse_error(str(e))
def join(self, href):
"""Given a href relative to this link, return the :class:`Link` of the absolute url.
:param href: A string-like path relative to this link.
"""
return self.wrap(urlparse.urljoin(self.url, href))
def join(self, href):
"""Given a href relative to this link, return the :class:`Link` of the absolute url.
:param href: A string-like path relative to this link.
"""
return self.wrap(urlparse.urljoin(self.url, href))
def _normalize(cls, filename):
return urlparse.urljoin('file:', pathname2url(
os.path.realpath(os.path.expanduser(filename))))
def _normalize(cls, filename):
return urlparse.urljoin(
'file:',
pathname2url(os.path.realpath(os.path.expanduser(filename))))