15
13
# You should have received a copy of the GNU General Public License
16
14
# along with this program; if not, write to the Free Software
17
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
17
"""A collection of function for handling URL operations."""
67
66
relpath = relpath.encode('utf-8')
68
67
# After quoting and encoding, the path should be perfectly
69
68
# safe as a plain ASCII string, str() just enforces this
70
return str(urllib.quote(relpath))
69
return str(urllib.quote(relpath, safe='/~'))
73
72
def file_relpath(base, path):
74
73
"""Compute just the relative sub-portion of a url
76
75
This assumes that both paths are already fully specified file:// URLs.
78
assert len(base) >= MIN_ABS_FILEURL_LENGTH, ('Length of base must be equal or'
79
' exceed the platform minimum url length (which is %d)' %
80
MIN_ABS_FILEURL_LENGTH)
77
if len(base) < MIN_ABS_FILEURL_LENGTH:
78
raise ValueError('Length of base (%r) must equal or'
79
' exceed the platform minimum url length (which is %d)' %
80
(base, MIN_ABS_FILEURL_LENGTH))
82
81
base = local_path_from_url(base)
83
82
path = local_path_from_url(path)
84
83
return escape(osutils.relpath(base, path))
265
269
This also handles transforming escaping unicode characters, etc.
267
# importing directly from ntpath allows us to test this
271
# importing directly from ntpath allows us to test this
268
272
# on non-win32 platform
269
273
# FIXME: It turns out that on nt, ntpath.abspath uses nt._getfullpathname
270
274
# which actually strips trailing space characters.
271
275
# The worst part is that under linux ntpath.abspath has different
272
276
# semantics, since 'nt' is not an available module.
273
280
win32_path = osutils._win32_abspath(path)
274
281
# check for UNC path \\HOST\path
275
282
if win32_path.startswith('//'):
276
283
return 'file:' + escape(win32_path)
277
return 'file:///' + win32_path[0].upper() + ':' + escape(win32_path[2:])
284
return ('file:///' + str(win32_path[0].upper()) + ':' +
285
escape(win32_path[2:]))
280
288
local_path_to_url = _posix_local_path_to_url
527
540
# These are characters that if escaped, should stay that way
528
541
_no_decode_chars = ';/?:@&=+$,#'
529
542
_no_decode_ords = [ord(c) for c in _no_decode_chars]
530
_no_decode_hex = (['%02x' % o for o in _no_decode_ords]
543
_no_decode_hex = (['%02x' % o for o in _no_decode_ords]
531
544
+ ['%02X' % o for o in _no_decode_ords])
532
545
_hex_display_map = dict(([('%02x' % o, chr(o)) for o in range(256)]
533
546
+ [('%02X' % o, chr(o)) for o in range(256)]))
559
572
This will turn file:// urls into local paths, and try to decode
560
573
any portions of a http:// style url that it can.
562
Any sections of the URL which can't be represented in the encoding or
575
Any sections of the URL which can't be represented in the encoding or
563
576
need to stay as escapes are left alone.
565
578
:param url: A 7-bit ASCII URL
566
579
:param encoding: The final output encoding
568
:return: A unicode string which can be safely encoded into the
581
:return: A unicode string which can be safely encoded into the
569
582
specified encoding.
571
assert encoding is not None, 'you cannot specify None for the display encoding.'
585
raise ValueError('you cannot specify None for the display encoding')
572
586
if url.startswith('file://'):
574
588
path = local_path_from_url(url)
629
643
return from_location[sep+1:]
631
645
return from_location
648
def _is_absolute(url):
649
return (osutils.pathjoin('/foo', url) == url)
652
def rebase_url(url, old_base, new_base):
653
"""Convert a relative path from an old base URL to a new base URL.
655
The result will be a relative path.
656
Absolute paths and full URLs are returned unaltered.
658
scheme, separator = _find_scheme_and_separator(url)
659
if scheme is not None:
661
if _is_absolute(url):
663
old_parsed = urlparse.urlparse(old_base)
664
new_parsed = urlparse.urlparse(new_base)
665
if (old_parsed[:2]) != (new_parsed[:2]):
666
raise errors.InvalidRebaseURLs(old_base, new_base)
667
return determine_relative_path(new_parsed[2],
668
join(old_parsed[2], url))
671
def determine_relative_path(from_path, to_path):
672
"""Determine a relative path from from_path to to_path."""
673
from_segments = osutils.splitpath(from_path)
674
to_segments = osutils.splitpath(to_path)
676
for count, (from_element, to_element) in enumerate(zip(from_segments,
678
if from_element != to_element:
682
unique_from = from_segments[count:]
683
unique_to = to_segments[count:]
684
segments = (['..'] * len(unique_from) + unique_to)
685
if len(segments) == 0:
687
return osutils.pathjoin(*segments)
692
"""Extract the server address, the credentials and the path from the url.
694
user, password, host and path should be quoted if they contain reserved
697
:param url: an quoted url
699
:return: (scheme, user, password, host, port, path) tuple, all fields
702
if isinstance(url, unicode):
703
raise errors.InvalidURL('should be ascii:\n%r' % url)
704
url = url.encode('utf-8')
705
(scheme, netloc, path, params,
706
query, fragment) = urlparse.urlparse(url, allow_fragments=False)
707
user = password = host = port = None
709
user, host = netloc.rsplit('@', 1)
711
user, password = user.split(':', 1)
712
password = urllib.unquote(password)
713
user = urllib.unquote(user)
717
if ':' in host and not (host[0] == '[' and host[-1] == ']'): #there *is* port
718
host, port = host.rsplit(':',1)
722
raise errors.InvalidURL('invalid port number %s in url:\n%s' %
724
if host != "" and host[0] == '[' and host[-1] == ']': #IPv6
727
host = urllib.unquote(host)
728
path = urllib.unquote(path)
730
return (scheme, user, password, host, port, path)