add hg and python
This commit is contained in:
cinap_lenrek
parent
3a742c699f
commit
458120dd40
3709 changed files with 1244309 additions and 1 deletions
375
sys/lib/python/urlparse.py
Normal file
375
sys/lib/python/urlparse.py
Normal file
|
|
@ -0,0 +1,375 @@
|
|||
"""Parse (absolute and relative) URLs.
|
||||
|
||||
See RFC 1808: "Relative Uniform Resource Locators", by R. Fielding,
|
||||
UC Irvine, June 1995.
|
||||
"""
|
||||
|
||||
__all__ = ["urlparse", "urlunparse", "urljoin", "urldefrag",
|
||||
"urlsplit", "urlunsplit"]
|
||||
|
||||
# A classification of schemes ('' means apply by default)
|
||||
uses_relative = ['ftp', 'http', 'gopher', 'nntp', 'imap',
|
||||
'wais', 'file', 'https', 'shttp', 'mms',
|
||||
'prospero', 'rtsp', 'rtspu', '', 'sftp']
|
||||
uses_netloc = ['ftp', 'http', 'gopher', 'nntp', 'telnet',
|
||||
'imap', 'wais', 'file', 'mms', 'https', 'shttp',
|
||||
'snews', 'prospero', 'rtsp', 'rtspu', 'rsync', '',
|
||||
'svn', 'svn+ssh', 'sftp']
|
||||
non_hierarchical = ['gopher', 'hdl', 'mailto', 'news',
|
||||
'telnet', 'wais', 'imap', 'snews', 'sip', 'sips']
|
||||
uses_params = ['ftp', 'hdl', 'prospero', 'http', 'imap',
|
||||
'https', 'shttp', 'rtsp', 'rtspu', 'sip', 'sips',
|
||||
'mms', '', 'sftp']
|
||||
uses_query = ['http', 'wais', 'imap', 'https', 'shttp', 'mms',
|
||||
'gopher', 'rtsp', 'rtspu', 'sip', 'sips', '']
|
||||
uses_fragment = ['ftp', 'hdl', 'http', 'gopher', 'news',
|
||||
'nntp', 'wais', 'https', 'shttp', 'snews',
|
||||
'file', 'prospero', '']
|
||||
|
||||
# Characters valid in scheme names
|
||||
scheme_chars = ('abcdefghijklmnopqrstuvwxyz'
|
||||
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
|
||||
'0123456789'
|
||||
'+-.')
|
||||
|
||||
MAX_CACHE_SIZE = 20
|
||||
_parse_cache = {}
|
||||
|
||||
def clear_cache():
|
||||
"""Clear the parse cache."""
|
||||
global _parse_cache
|
||||
_parse_cache = {}
|
||||
|
||||
|
||||
class BaseResult(tuple):
|
||||
"""Base class for the parsed result objects.
|
||||
|
||||
This provides the attributes shared by the two derived result
|
||||
objects as read-only properties. The derived classes are
|
||||
responsible for checking the right number of arguments were
|
||||
supplied to the constructor.
|
||||
|
||||
"""
|
||||
|
||||
__slots__ = ()
|
||||
|
||||
# Attributes that access the basic components of the URL:
|
||||
|
||||
@property
|
||||
def scheme(self):
|
||||
return self[0]
|
||||
|
||||
@property
|
||||
def netloc(self):
|
||||
return self[1]
|
||||
|
||||
@property
|
||||
def path(self):
|
||||
return self[2]
|
||||
|
||||
@property
|
||||
def query(self):
|
||||
return self[-2]
|
||||
|
||||
@property
|
||||
def fragment(self):
|
||||
return self[-1]
|
||||
|
||||
# Additional attributes that provide access to parsed-out portions
|
||||
# of the netloc:
|
||||
|
||||
@property
|
||||
def username(self):
|
||||
netloc = self.netloc
|
||||
if "@" in netloc:
|
||||
userinfo = netloc.split("@", 1)[0]
|
||||
if ":" in userinfo:
|
||||
userinfo = userinfo.split(":", 1)[0]
|
||||
return userinfo
|
||||
return None
|
||||
|
||||
@property
|
||||
def password(self):
|
||||
netloc = self.netloc
|
||||
if "@" in netloc:
|
||||
userinfo = netloc.split("@", 1)[0]
|
||||
if ":" in userinfo:
|
||||
return userinfo.split(":", 1)[1]
|
||||
return None
|
||||
|
||||
@property
|
||||
def hostname(self):
|
||||
netloc = self.netloc
|
||||
if "@" in netloc:
|
||||
netloc = netloc.split("@", 1)[1]
|
||||
if ":" in netloc:
|
||||
netloc = netloc.split(":", 1)[0]
|
||||
return netloc.lower() or None
|
||||
|
||||
@property
|
||||
def port(self):
|
||||
netloc = self.netloc
|
||||
if "@" in netloc:
|
||||
netloc = netloc.split("@", 1)[1]
|
||||
if ":" in netloc:
|
||||
port = netloc.split(":", 1)[1]
|
||||
return int(port, 10)
|
||||
return None
|
||||
|
||||
|
||||
class SplitResult(BaseResult):
|
||||
|
||||
__slots__ = ()
|
||||
|
||||
def __new__(cls, scheme, netloc, path, query, fragment):
|
||||
return BaseResult.__new__(
|
||||
cls, (scheme, netloc, path, query, fragment))
|
||||
|
||||
def geturl(self):
|
||||
return urlunsplit(self)
|
||||
|
||||
|
||||
class ParseResult(BaseResult):
|
||||
|
||||
__slots__ = ()
|
||||
|
||||
def __new__(cls, scheme, netloc, path, params, query, fragment):
|
||||
return BaseResult.__new__(
|
||||
cls, (scheme, netloc, path, params, query, fragment))
|
||||
|
||||
@property
|
||||
def params(self):
|
||||
return self[3]
|
||||
|
||||
def geturl(self):
|
||||
return urlunparse(self)
|
||||
|
||||
|
||||
def urlparse(url, scheme='', allow_fragments=True):
|
||||
"""Parse a URL into 6 components:
|
||||
<scheme>://<netloc>/<path>;<params>?<query>#<fragment>
|
||||
Return a 6-tuple: (scheme, netloc, path, params, query, fragment).
|
||||
Note that we don't break the components up in smaller bits
|
||||
(e.g. netloc is a single string) and we don't expand % escapes."""
|
||||
tuple = urlsplit(url, scheme, allow_fragments)
|
||||
scheme, netloc, url, query, fragment = tuple
|
||||
if scheme in uses_params and ';' in url:
|
||||
url, params = _splitparams(url)
|
||||
else:
|
||||
params = ''
|
||||
return ParseResult(scheme, netloc, url, params, query, fragment)
|
||||
|
||||
def _splitparams(url):
|
||||
if '/' in url:
|
||||
i = url.find(';', url.rfind('/'))
|
||||
if i < 0:
|
||||
return url, ''
|
||||
else:
|
||||
i = url.find(';')
|
||||
return url[:i], url[i+1:]
|
||||
|
||||
def _splitnetloc(url, start=0):
|
||||
for c in '/?#': # the order is important!
|
||||
delim = url.find(c, start)
|
||||
if delim >= 0:
|
||||
break
|
||||
else:
|
||||
delim = len(url)
|
||||
return url[start:delim], url[delim:]
|
||||
|
||||
def urlsplit(url, scheme='', allow_fragments=True):
|
||||
"""Parse a URL into 5 components:
|
||||
<scheme>://<netloc>/<path>?<query>#<fragment>
|
||||
Return a 5-tuple: (scheme, netloc, path, query, fragment).
|
||||
Note that we don't break the components up in smaller bits
|
||||
(e.g. netloc is a single string) and we don't expand % escapes."""
|
||||
allow_fragments = bool(allow_fragments)
|
||||
key = url, scheme, allow_fragments
|
||||
cached = _parse_cache.get(key, None)
|
||||
if cached:
|
||||
return cached
|
||||
if len(_parse_cache) >= MAX_CACHE_SIZE: # avoid runaway growth
|
||||
clear_cache()
|
||||
netloc = query = fragment = ''
|
||||
i = url.find(':')
|
||||
if i > 0:
|
||||
if url[:i] == 'http': # optimize the common case
|
||||
scheme = url[:i].lower()
|
||||
url = url[i+1:]
|
||||
if url[:2] == '//':
|
||||
netloc, url = _splitnetloc(url, 2)
|
||||
if allow_fragments and '#' in url:
|
||||
url, fragment = url.split('#', 1)
|
||||
if '?' in url:
|
||||
url, query = url.split('?', 1)
|
||||
v = SplitResult(scheme, netloc, url, query, fragment)
|
||||
_parse_cache[key] = v
|
||||
return v
|
||||
for c in url[:i]:
|
||||
if c not in scheme_chars:
|
||||
break
|
||||
else:
|
||||
scheme, url = url[:i].lower(), url[i+1:]
|
||||
if scheme in uses_netloc and url[:2] == '//':
|
||||
netloc, url = _splitnetloc(url, 2)
|
||||
if allow_fragments and scheme in uses_fragment and '#' in url:
|
||||
url, fragment = url.split('#', 1)
|
||||
if scheme in uses_query and '?' in url:
|
||||
url, query = url.split('?', 1)
|
||||
v = SplitResult(scheme, netloc, url, query, fragment)
|
||||
_parse_cache[key] = v
|
||||
return v
|
||||
|
||||
def urlunparse((scheme, netloc, url, params, query, fragment)):
|
||||
"""Put a parsed URL back together again. This may result in a
|
||||
slightly different, but equivalent URL, if the URL that was parsed
|
||||
originally had redundant delimiters, e.g. a ? with an empty query
|
||||
(the draft states that these are equivalent)."""
|
||||
if params:
|
||||
url = "%s;%s" % (url, params)
|
||||
return urlunsplit((scheme, netloc, url, query, fragment))
|
||||
|
||||
def urlunsplit((scheme, netloc, url, query, fragment)):
|
||||
if netloc or (scheme and scheme in uses_netloc and url[:2] != '//'):
|
||||
if url and url[:1] != '/': url = '/' + url
|
||||
url = '//' + (netloc or '') + url
|
||||
if scheme:
|
||||
url = scheme + ':' + url
|
||||
if query:
|
||||
url = url + '?' + query
|
||||
if fragment:
|
||||
url = url + '#' + fragment
|
||||
return url
|
||||
|
||||
def urljoin(base, url, allow_fragments=True):
|
||||
"""Join a base URL and a possibly relative URL to form an absolute
|
||||
interpretation of the latter."""
|
||||
if not base:
|
||||
return url
|
||||
if not url:
|
||||
return base
|
||||
bscheme, bnetloc, bpath, bparams, bquery, bfragment = \
|
||||
urlparse(base, '', allow_fragments)
|
||||
scheme, netloc, path, params, query, fragment = \
|
||||
urlparse(url, bscheme, allow_fragments)
|
||||
if scheme != bscheme or scheme not in uses_relative:
|
||||
return url
|
||||
if scheme in uses_netloc:
|
||||
if netloc:
|
||||
return urlunparse((scheme, netloc, path,
|
||||
params, query, fragment))
|
||||
netloc = bnetloc
|
||||
if path[:1] == '/':
|
||||
return urlunparse((scheme, netloc, path,
|
||||
params, query, fragment))
|
||||
if not (path or params or query):
|
||||
return urlunparse((scheme, netloc, bpath,
|
||||
bparams, bquery, fragment))
|
||||
segments = bpath.split('/')[:-1] + path.split('/')
|
||||
# XXX The stuff below is bogus in various ways...
|
||||
if segments[-1] == '.':
|
||||
segments[-1] = ''
|
||||
while '.' in segments:
|
||||
segments.remove('.')
|
||||
while 1:
|
||||
i = 1
|
||||
n = len(segments) - 1
|
||||
while i < n:
|
||||
if (segments[i] == '..'
|
||||
and segments[i-1] not in ('', '..')):
|
||||
del segments[i-1:i+1]
|
||||
break
|
||||
i = i+1
|
||||
else:
|
||||
break
|
||||
if segments == ['', '..']:
|
||||
segments[-1] = ''
|
||||
elif len(segments) >= 2 and segments[-1] == '..':
|
||||
segments[-2:] = ['']
|
||||
return urlunparse((scheme, netloc, '/'.join(segments),
|
||||
params, query, fragment))
|
||||
|
||||
def urldefrag(url):
|
||||
"""Removes any existing fragment from URL.
|
||||
|
||||
Returns a tuple of the defragmented URL and the fragment. If
|
||||
the URL contained no fragments, the second element is the
|
||||
empty string.
|
||||
"""
|
||||
if '#' in url:
|
||||
s, n, p, a, q, frag = urlparse(url)
|
||||
defrag = urlunparse((s, n, p, a, q, ''))
|
||||
return defrag, frag
|
||||
else:
|
||||
return url, ''
|
||||
|
||||
|
||||
test_input = """
|
||||
http://a/b/c/d
|
||||
|
||||
g:h = <URL:g:h>
|
||||
http:g = <URL:http://a/b/c/g>
|
||||
http: = <URL:http://a/b/c/d>
|
||||
g = <URL:http://a/b/c/g>
|
||||
./g = <URL:http://a/b/c/g>
|
||||
g/ = <URL:http://a/b/c/g/>
|
||||
/g = <URL:http://a/g>
|
||||
//g = <URL:http://g>
|
||||
?y = <URL:http://a/b/c/d?y>
|
||||
g?y = <URL:http://a/b/c/g?y>
|
||||
g?y/./x = <URL:http://a/b/c/g?y/./x>
|
||||
. = <URL:http://a/b/c/>
|
||||
./ = <URL:http://a/b/c/>
|
||||
.. = <URL:http://a/b/>
|
||||
../ = <URL:http://a/b/>
|
||||
../g = <URL:http://a/b/g>
|
||||
../.. = <URL:http://a/>
|
||||
../../g = <URL:http://a/g>
|
||||
../../../g = <URL:http://a/../g>
|
||||
./../g = <URL:http://a/b/g>
|
||||
./g/. = <URL:http://a/b/c/g/>
|
||||
/./g = <URL:http://a/./g>
|
||||
g/./h = <URL:http://a/b/c/g/h>
|
||||
g/../h = <URL:http://a/b/c/h>
|
||||
http:g = <URL:http://a/b/c/g>
|
||||
http: = <URL:http://a/b/c/d>
|
||||
http:?y = <URL:http://a/b/c/d?y>
|
||||
http:g?y = <URL:http://a/b/c/g?y>
|
||||
http:g?y/./x = <URL:http://a/b/c/g?y/./x>
|
||||
"""
|
||||
|
||||
def test():
|
||||
import sys
|
||||
base = ''
|
||||
if sys.argv[1:]:
|
||||
fn = sys.argv[1]
|
||||
if fn == '-':
|
||||
fp = sys.stdin
|
||||
else:
|
||||
fp = open(fn)
|
||||
else:
|
||||
try:
|
||||
from cStringIO import StringIO
|
||||
except ImportError:
|
||||
from StringIO import StringIO
|
||||
fp = StringIO(test_input)
|
||||
while 1:
|
||||
line = fp.readline()
|
||||
if not line: break
|
||||
words = line.split()
|
||||
if not words:
|
||||
continue
|
||||
url = words[0]
|
||||
parts = urlparse(url)
|
||||
print '%-10s : %s' % (url, parts)
|
||||
abs = urljoin(base, url)
|
||||
if not base:
|
||||
base = abs
|
||||
wrapped = '<URL:%s>' % abs
|
||||
print '%-10s = %s' % (url, wrapped)
|
||||
if len(words) == 3 and words[1] == '=':
|
||||
if wrapped != words[2]:
|
||||
print 'EXPECTED', words[2], '!!!!!!!!!!'
|
||||
|
||||
if __name__ == '__main__':
|
||||
test()
|
||||
Loading…
Add table
Add a link
Reference in a new issue