def __init__(self, uris, session_auth_manager=None, **kwargs):
if not uris:
raise ValueError('invalid HTTP service URIs: expecting a sequence'
' of HTTP URIs')
canon_uris = []
for uri in uris:
uri_parts = _urlsplit(uri)
netloc = uri_parts.netloc if uri_parts.port is not None \
else '{}:{}'.format(uri_parts.netloc,
_httplib.HTTP_PORT)
canon_uris.append(_urlunsplit((uri_parts.scheme, netloc,
uri_parts.path, uri_parts.query,
uri_parts.fragment)))
super(HttpService, self).__init__(uris=canon_uris, **kwargs)
self._session_auth_manager = \
session_auth_manager \
or _http_auth.HttpSessionManager(service=self)
def from_string(cls, purl):
"""
Return a PackageURL object parsed from a string.
Raise ValueError on errors.
"""
if (not purl or not isinstance(purl, basestring) or not purl.strip()):
raise ValueError('A purl string argument is required.')
scheme, sep, remainder = purl.partition(':')
if not sep or scheme != 'pkg':
raise ValueError('purl is missing the required '
'"pkg" scheme component: {}.'.format(repr(purl)))
# this strip '/, // and /// as possible in :// or :///
remainder = remainder.strip().lstrip('/')
type, sep, remainder = remainder.partition('/') # NOQA
if not type or not sep:
raise ValueError('purl is missing the required '
'type component: {}.'.format(repr(purl)))
scheme, authority, path, qualifiers, subpath = _urlsplit(
url=remainder, scheme='', allow_fragments=True)
if scheme or authority:
msg = ('Invalid purl {} cannot contain a "user:pass@host:port" '
'URL Authority component: {}.')
raise ValueError(msg.format(repr(purl), repr(authority)))
path = path.lstrip('/')
remainder, sep, version = path.rpartition('@')
if not sep:
remainder = version
version = None
ns_name = remainder.strip().strip('/')
ns_name = ns_name.split('/')
ns_name = [seg for seg in ns_name if seg and seg.strip()]
namespace = ''
name = ''
if len(ns_name) > 1:
name = ns_name[-1]
ns = ns_name[0:-1]
namespace = '/'.join(ns)
elif len(ns_name) == 1:
name = ns_name[0]
if not name:
raise ValueError('purl is missing the required '
'name component: {}'.format(repr(purl)))
type, namespace, name, version, qualifiers, subpath = normalize( # NOQA
type,
namespace,
name,
version,
qualifiers,
subpath,
encode=False)
return PackageURL(type, namespace, name, version, qualifiers, subpath)
def port(self):
return _urlsplit(self.uri).port
def hostname(self):
return _urlsplit(self.uri).hostname
