Skip to content
Permalink
master
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2017 John Dewey
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
import collections
import re
Parsed = collections.namedtuple('Parsed', [
'pathname',
'protocols',
'protocol',
'href',
'resource',
'user',
'port',
'name',
'owner',
])
POSSIBLE_REGEXES = (
re.compile(r'^(?P<protocol>https?|git|ssh|rsync)\://'
r'(?:(?P<user>.+)@)*'
r'(?P<resource>[a-z0-9_.-]*)'
r'[:/]*'
r'(?P<port>[\d]+){0,1}'
r'(?P<pathname>\/((?P<owner>[\w\-]+)\/)?'
r'((?P<name>[\w\-\.]+?)(\.git|\/)?)?)$'),
re.compile(r'(git\+)?'
r'((?P<protocol>\w+)://)'
r'((?P<user>\w+)@)?'
r'((?P<resource>[\w\.\-]+))'
r'(:(?P<port>\d+))?'
r'(?P<pathname>(\/(?P<owner>\w+)/)?'
r'(\/?(?P<name>[\w\-]+)(\.git|\/)?)?)$'),
re.compile(r'^(?:(?P<user>.+)@)*'
r'(?P<resource>[a-z0-9_.-]*)[:]*'
r'(?P<port>[\d]+){0,1}'
r'(?P<pathname>\/?(?P<owner>.+)/(?P<name>.+).git)$'),
re.compile(r'((?P<user>\w+)@)?'
r'((?P<resource>[\w\.\-]+))'
r'[\:\/]{1,2}'
r'(?P<pathname>((?P<owner>\w+)/)?'
r'((?P<name>[\w\-]+)(\.git|\/)?)?)$'),
)
class ParserError(Exception):
""" Error raised when a URL can't be parsed. """
pass
class Parser(object):
"""
A class responsible for parsing a GIT URL and return a `Parsed` object.
"""
def __init__(self, url):
self._url = url
def parse(self):
"""
Parses a GIT URL and returns an object. Raises an exception on invalid
URL.
:returns: Parsed object
:raise: :class:`.ParserError`
"""
d = {
'pathname': None,
'protocols': self._get_protocols(),
'protocol': 'ssh',
'href': self._url,
'resource': None,
'user': None,
'port': None,
'name': None,
'owner': None,
}
for regex in POSSIBLE_REGEXES:
match = regex.search(self._url)
if match:
d.update(match.groupdict())
break
else:
msg = "Invalid URL '{}'".format(self._url)
raise ParserError(msg)
return Parsed(**d)
def _get_protocols(self):
try:
index = self._url.index('://')
except ValueError:
return []
return self._url[:index].split('+')