66
67
relpath = relpath.encode('utf-8')
67
68
# After quoting and encoding, the path should be perfectly
68
69
# safe as a plain ASCII string, str() just enforces this
69
return str(urllib.quote(relpath, safe='/~'))
70
return str(urllib.quote(relpath))
72
73
def file_relpath(base, path):
73
74
"""Compute just the relative sub-portion of a url
75
76
This assumes that both paths are already fully specified file:// URLs.
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))
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)
81
82
base = local_path_from_url(base)
82
83
path = local_path_from_url(path)
83
84
return escape(osutils.relpath(base, path))
132
131
path = base.split('/')
134
if scheme is not None and len(path) >= 1:
136
# the path should be represented as an abs path.
137
# we know this must be absolute because of the presence of a URL scheme.
139
path = [''] + path[1:]
141
# create an empty host, but dont alter the path - this might be a
142
# relative url fragment.
147
match = _url_scheme_re.match(arg)
134
m = _url_scheme_re.match(arg)
150
scheme = match.group('scheme')
137
scheme = m.group('scheme')
151
138
# this skips .. normalisation, making http://host/../../..
152
139
# be rather strange.
153
path = match.group('path').split('/')
154
# set the host and path according to new absolute URL, discarding
155
# any previous values.
156
# XXX: duplicates mess from earlier in this function. This URL
157
# manipulation code needs some cleaning up.
158
if scheme is not None and len(path) >= 1:
161
# url scheme implies absolute path.
164
# no url scheme we take the path as is.
140
path = m.group('path').split('/')
167
path = '/'.join(path)
168
path = joinpath(path, arg)
169
path = path.split('/')
170
if remove_root and path[0:1] == ['']:
173
# Remove the leading slash from the path, so long as it isn't also the
174
# trailing slash, which we want to keep if present.
175
if path and path[0] == '' and len(path) > 1:
142
for chunk in arg.split('/'):
147
# Don't pop off the host portion
150
raise errors.InvalidURLJoin('Cannot go above root',
179
155
if scheme is None:
180
156
return '/'.join(path)
181
157
return scheme + '://' + '/'.join(path)
184
def joinpath(base, *args):
185
"""Join URL path segments to a URL path segment.
187
This is somewhat like osutils.joinpath, but intended for URLs.
189
XXX: this duplicates some normalisation logic, and also duplicates a lot of
190
path handling logic that already exists in some Transport implementations.
191
We really should try to have exactly one place in the code base responsible
192
for combining paths of URLs.
194
path = base.split('/')
195
if len(path) > 1 and path[-1] == '':
196
#If the path ends in a trailing /, remove it.
199
if arg.startswith('/'):
201
for chunk in arg.split('/'):
206
raise errors.InvalidURLJoin('Cannot go above root',
214
return '/'.join(path)
217
160
# jam 20060502 Sorted to 'l' because the final target is 'local_path_from_url'
218
161
def _posix_local_path_from_url(url):
219
162
"""Convert a url like file:///path/to/foo into /path/to/foo"""
220
file_localhost_prefix = 'file://localhost/'
221
if url.startswith(file_localhost_prefix):
222
path = url[len(file_localhost_prefix) - 1:]
223
elif not url.startswith('file:///'):
224
raise errors.InvalidURL(
225
url, 'local urls must start with file:/// or file://localhost/')
227
path = url[len('file://'):]
163
if not url.startswith('file:///'):
164
raise errors.InvalidURL(url, 'local urls must start with file:///')
228
165
# We only strip off 2 slashes
229
return unescape(path)
166
return unescape(url[len('file://'):])
232
169
def _posix_local_path_to_url(path):
243
180
def _win32_local_path_from_url(url):
244
181
"""Convert a url like file:///C:/path/to/foo into C:/path/to/foo"""
245
if not url.startswith('file://'):
246
raise errors.InvalidURL(url, 'local urls must start with file:///, '
247
'UNC path urls must start with file://')
182
if not url.startswith('file:///'):
183
raise errors.InvalidURL(url, 'local urls must start with file:///')
248
184
# We strip off all 3 slashes
249
win32_url = url[len('file:'):]
250
# check for UNC path: //HOST/path
251
if not win32_url.startswith('///'):
252
if (win32_url[2] == '/'
253
or win32_url[3] in '|:'):
254
raise errors.InvalidURL(url, 'Win32 UNC path urls'
255
' have form file://HOST/path')
256
return unescape(win32_url)
258
# allow empty paths so we can serve all roots
259
if win32_url == '///':
262
# usual local path with drive letter
263
if (win32_url[3] not in ('abcdefghijklmnopqrstuvwxyz'
185
win32_url = url[len('file:///'):]
186
if (win32_url[0] not in ('abcdefghijklmnopqrstuvwxyz'
264
187
'ABCDEFGHIJKLMNOPQRSTUVWXYZ')
265
or win32_url[4] not in '|:'
266
or win32_url[5] != '/'):
188
or win32_url[1] not in '|:'
189
or win32_url[2] != '/'):
267
190
raise errors.InvalidURL(url, 'Win32 file urls start with'
268
191
' file:///x:/, where x is a valid drive letter')
269
return win32_url[3].upper() + u':' + unescape(win32_url[5:])
192
return win32_url[0].upper() + u':' + unescape(win32_url[2:])
272
195
def _win32_local_path_to_url(path):
275
198
This also handles transforming escaping unicode characters, etc.
277
# importing directly from ntpath allows us to test this
200
# importing directly from ntpath allows us to test this
278
201
# on non-win32 platform
279
202
# FIXME: It turns out that on nt, ntpath.abspath uses nt._getfullpathname
280
203
# which actually strips trailing space characters.
281
204
# The worst part is that under linux ntpath.abspath has different
282
205
# semantics, since 'nt' is not an available module.
286
win32_path = osutils._win32_abspath(path)
287
# check for UNC path \\HOST\path
288
if win32_path.startswith('//'):
289
return 'file:' + escape(win32_path)
290
return ('file:///' + str(win32_path[0].upper()) + ':' +
291
escape(win32_path[2:]))
206
win32_path = osutils._nt_normpath(
207
osutils._win32_abspath(path)).replace('\\', '/')
208
return 'file:///' + win32_path[0].upper() + ':' + escape(win32_path[2:])
294
211
local_path_to_url = _posix_local_path_to_url
306
223
_url_scheme_re = re.compile(r'^(?P<scheme>[^:/]{2,})://(?P<path>.*)$')
307
_url_hex_escapes_re = re.compile(r'(%[0-9a-fA-F]{2})')
310
def _unescape_safe_chars(matchobj):
311
"""re.sub callback to convert hex-escapes to plain characters (if safe).
313
e.g. '%7E' will be converted to '~'.
315
hex_digits = matchobj.group(0)[1:]
316
char = chr(int(hex_digits, 16))
317
if char in _url_dont_escape_characters:
320
return matchobj.group(0).upper()
323
226
def normalize_url(url):
324
227
"""Make sure that a path string is in fully normalized URL form.
326
This handles URLs which have unicode characters, spaces,
229
This handles URLs which have unicode characters, spaces,
327
230
special characters, etc.
329
232
It has two basic modes of operation, depending on whether the
342
245
m = _url_scheme_re.match(url)
344
247
return local_path_to_url(url)
345
scheme = m.group('scheme')
346
path = m.group('path')
347
248
if not isinstance(url, unicode):
349
250
if c not in _url_safe_characters:
350
251
raise errors.InvalidURL(url, 'URLs can only contain specific'
351
252
' safe characters (not %r)' % c)
352
path = _url_hex_escapes_re.sub(_unescape_safe_chars, path)
353
return str(scheme + '://' + ''.join(path))
355
254
# We have a unicode (hybrid) url
356
path_chars = list(path)
255
scheme = m.group('scheme')
256
path = list(m.group('path'))
358
for i in xrange(len(path_chars)):
359
if path_chars[i] not in _url_safe_characters:
360
chars = path_chars[i].encode('utf-8')
361
path_chars[i] = ''.join(
362
['%%%02X' % ord(c) for c in path_chars[i].encode('utf-8')])
363
path = ''.join(path_chars)
364
path = _url_hex_escapes_re.sub(_unescape_safe_chars, path)
365
return str(scheme + '://' + path)
258
for i in xrange(len(path)):
259
if path[i] not in _url_safe_characters:
260
chars = path[i].encode('utf-8')
261
path[i] = ''.join(['%%%02X' % ord(c) for c in path[i].encode('utf-8')])
262
return scheme + '://' + ''.join(path)
368
265
def relative_url(base, other):
546
438
# These are characters that if escaped, should stay that way
547
439
_no_decode_chars = ';/?:@&=+$,#'
548
440
_no_decode_ords = [ord(c) for c in _no_decode_chars]
549
_no_decode_hex = (['%02x' % o for o in _no_decode_ords]
441
_no_decode_hex = (['%02x' % o for o in _no_decode_ords]
550
442
+ ['%02X' % o for o in _no_decode_ords])
551
443
_hex_display_map = dict(([('%02x' % o, chr(o)) for o in range(256)]
552
444
+ [('%02X' % o, chr(o)) for o in range(256)]))
553
445
#These entries get mapped to themselves
554
446
_hex_display_map.update((hex,'%'+hex) for hex in _no_decode_hex)
556
# These characters shouldn't be percent-encoded, and it's always safe to
557
# unencode them if they are.
558
_url_dont_escape_characters = set(
559
"abcdefghijklmnopqrstuvwxyz" # Lowercase alpha
560
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" # Uppercase alpha
561
"0123456789" # Numbers
562
"-._~" # Unreserved characters
565
448
# These characters should not be escaped
566
_url_safe_characters = set(
567
"abcdefghijklmnopqrstuvwxyz" # Lowercase alpha
568
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" # Uppercase alpha
569
"0123456789" # Numbers
570
"_.-!~*'()" # Unreserved characters
571
"/;?:@&=+$," # Reserved characters
572
"%#" # Extra reserved characters
449
_url_safe_characters = set('abcdefghijklmnopqrstuvwxyz'
450
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
575
455
def unescape_for_display(url, encoding):
576
456
"""Decode what you can for a URL, so that we get a nice looking path.
578
458
This will turn file:// urls into local paths, and try to decode
579
459
any portions of a http:// style url that it can.
581
Any sections of the URL which can't be represented in the encoding or
461
Any sections of the URL which can't be represented in the encoding or
582
462
need to stay as escapes are left alone.
584
464
:param url: A 7-bit ASCII URL
585
465
:param encoding: The final output encoding
587
:return: A unicode string which can be safely encoded into the
467
:return: A unicode string which can be safely encoded into the
588
468
specified encoding.
591
raise ValueError('you cannot specify None for the display encoding')
470
assert encoding is not None, 'you cannot specify None for the display encoding.'
592
471
if url.startswith('file://'):
594
473
path = local_path_from_url(url)
628
507
# Otherwise take the url decoded one
630
509
return u'/'.join(res)
633
def derive_to_location(from_location):
634
"""Derive a TO_LOCATION given a FROM_LOCATION.
636
The normal case is a FROM_LOCATION of http://foo/bar => bar.
637
The Right Thing for some logical destinations may differ though
638
because no / may be present at all. In that case, the result is
639
the full name without the scheme indicator, e.g. lp:foo-bar => foo-bar.
640
This latter case also applies when a Windows drive
641
is used without a path, e.g. c:foo-bar => foo-bar.
642
If no /, path separator or : is found, the from_location is returned.
644
if from_location.find("/") >= 0 or from_location.find(os.sep) >= 0:
645
return os.path.basename(from_location.rstrip("/\\"))
647
sep = from_location.find(":")
649
return from_location[sep+1:]
654
def _is_absolute(url):
655
return (osutils.pathjoin('/foo', url) == url)
658
def rebase_url(url, old_base, new_base):
659
"""Convert a relative path from an old base URL to a new base URL.
661
The result will be a relative path.
662
Absolute paths and full URLs are returned unaltered.
664
scheme, separator = _find_scheme_and_separator(url)
665
if scheme is not None:
667
if _is_absolute(url):
669
old_parsed = urlparse.urlparse(old_base)
670
new_parsed = urlparse.urlparse(new_base)
671
if (old_parsed[:2]) != (new_parsed[:2]):
672
raise errors.InvalidRebaseURLs(old_base, new_base)
673
return determine_relative_path(new_parsed[2],
674
join(old_parsed[2], url))
677
def determine_relative_path(from_path, to_path):
678
"""Determine a relative path from from_path to to_path."""
679
from_segments = osutils.splitpath(from_path)
680
to_segments = osutils.splitpath(to_path)
682
for count, (from_element, to_element) in enumerate(zip(from_segments,
684
if from_element != to_element:
688
unique_from = from_segments[count:]
689
unique_to = to_segments[count:]
690
segments = (['..'] * len(unique_from) + unique_to)
691
if len(segments) == 0:
693
return osutils.pathjoin(*segments)
698
"""Extract the server address, the credentials and the path from the url.
700
user, password, host and path should be quoted if they contain reserved
703
:param url: an quoted url
705
:return: (scheme, user, password, host, port, path) tuple, all fields
708
if isinstance(url, unicode):
709
raise errors.InvalidURL('should be ascii:\n%r' % url)
710
url = url.encode('utf-8')
711
(scheme, netloc, path, params,
712
query, fragment) = urlparse.urlparse(url, allow_fragments=False)
713
user = password = host = port = None
715
user, host = netloc.rsplit('@', 1)
717
user, password = user.split(':', 1)
718
password = urllib.unquote(password)
719
user = urllib.unquote(user)
723
if ':' in host and not (host[0] == '[' and host[-1] == ']'): #there *is* port
724
host, port = host.rsplit(':',1)
728
raise errors.InvalidURL('invalid port number %s in url:\n%s' %
730
if host != "" and host[0] == '[' and host[-1] == ']': #IPv6
733
host = urllib.unquote(host)
734
path = urllib.unquote(path)
736
return (scheme, user, password, host, port, path)
added
removed
bzrlib/urlutils.py
