84
47
return LocalTransport(self.base)
86
abspath = self.abspath(offset)
87
if abspath == 'file://':
88
# fix upwalk for UNC path
89
# when clone from //HOST/path updir recursively
90
# we should stop at least at //HOST part
92
return LocalTransport(abspath)
94
def _abspath(self, relative_reference):
95
"""Return a path for use in os calls.
97
Several assumptions are made:
98
- relative_reference does not contain '..'
99
- relative_reference is url escaped.
101
if relative_reference in ('.', ''):
102
return self._local_base
103
return self._local_base + urlutils.unescape(relative_reference)
49
return LocalTransport(self.abspath(offset))
105
51
def abspath(self, relpath):
106
"""Return the full url to the given relative URL."""
107
# TODO: url escape the result. RBC 20060523.
108
# jam 20060426 Using normpath on the real path, because that ensures
109
# proper handling of stuff like
110
path = osutils.normpath(osutils.pathjoin(
111
self._local_base, urlutils.unescape(relpath)))
112
# on windows, our _local_base may or may not have a drive specified
113
# (ie, it may be "/" or "c:/foo").
114
# If 'relpath' is '/' we *always* get back an abspath without
115
# the drive letter - but if our transport already has a drive letter,
116
# we want our abspaths to have a drive letter too - so handle that
118
if (sys.platform == "win32" and self._local_base[1:2] == ":"
120
path = self._local_base[:3]
122
return urlutils.local_path_to_url(path)
124
def local_abspath(self, relpath):
125
"""Transform the given relative path URL into the actual path on disk
127
This function only exists for the LocalTransport, since it is
128
the only one that has direct local access.
129
This is mostly for stuff like WorkingTree which needs to know
130
the local working directory. The returned path will always contain
131
forward slashes as the path separator, regardless of the platform.
133
This function is quite expensive: it calls realpath which resolves
52
"""Return the full url to the given relative path.
53
This can be supplied with a string or a list
136
absurl = self.abspath(relpath)
137
# mutter(u'relpath %s => base: %s, absurl %s', relpath, self.base, absurl)
138
return urlutils.local_path_from_url(absurl)
55
if isinstance(relpath, basestring):
57
return os.path.join(self.base, *relpath)
140
59
def relpath(self, abspath):
141
60
"""Return the local path portion from a given absolute path.
146
return urlutils.file_relpath(
147
urlutils.strip_trailing_slash(self.base),
148
urlutils.strip_trailing_slash(abspath))
62
from bzrlib.branch import _relpath
63
return _relpath(self.base, abspath)
150
65
def has(self, relpath):
151
return os.access(self._abspath(relpath), os.F_OK)
66
return os.access(self.abspath(relpath), os.F_OK)
153
68
def get(self, relpath):
154
69
"""Get the file at the given relative path.
156
71
:param relpath: The relative path to the file
158
canonical_url = self.abspath(relpath)
159
if canonical_url in transport._file_streams:
160
transport._file_streams[canonical_url].flush()
162
path = self._abspath(relpath)
74
path = self.abspath(relpath)
163
75
return open(path, 'rb')
164
except (IOError, OSError),e:
165
if e.errno == errno.EISDIR:
166
return LateReadError(relpath)
167
self._translate_error(e, path)
169
def put_file(self, relpath, f, mode=None):
170
"""Copy the file-like object into the location.
172
:param relpath: Location to put the contents, relative to base.
173
:param f: File-like object.
174
:param mode: The mode for the newly created file,
175
None means just use the default
180
path = self._abspath(relpath)
181
osutils.check_legal_path(path)
182
fp = atomicfile.AtomicFile(path, 'wb', new_mode=mode)
183
except (IOError, OSError),e:
184
self._translate_error(e, path)
186
length = self._pump(f, fp)
192
def put_bytes(self, relpath, bytes, mode=None):
193
"""Copy the string into the location.
195
:param relpath: Location to put the contents, relative to base.
201
path = self._abspath(relpath)
202
osutils.check_legal_path(path)
203
fp = atomicfile.AtomicFile(path, 'wb', new_mode=mode)
204
except (IOError, OSError),e:
205
self._translate_error(e, path)
212
def _put_non_atomic_helper(self, relpath, writer,
214
create_parent_dir=False,
216
"""Common functionality information for the put_*_non_atomic.
218
This tracks all the create_parent_dir stuff.
220
:param relpath: the path we are putting to.
221
:param writer: A function that takes an os level file descriptor
222
and writes whatever data it needs to write there.
223
:param mode: The final file mode.
224
:param create_parent_dir: Should we be creating the parent directory
227
abspath = self._abspath(relpath)
229
# os.open() will automatically use the umask
234
fd = os.open(abspath, _put_non_atomic_flags, local_mode)
235
except (IOError, OSError),e:
236
# We couldn't create the file, maybe we need to create
237
# the parent directory, and try again
238
if (not create_parent_dir
239
or e.errno not in (errno.ENOENT,errno.ENOTDIR)):
240
self._translate_error(e, relpath)
241
parent_dir = os.path.dirname(abspath)
243
self._translate_error(e, relpath)
244
self._mkdir(parent_dir, mode=dir_mode)
245
# We created the parent directory, lets try to open the
248
fd = os.open(abspath, _put_non_atomic_flags, local_mode)
249
except (IOError, OSError), e:
250
self._translate_error(e, relpath)
253
if mode is not None and mode != S_IMODE(st.st_mode):
254
# Because of umask, we may still need to chmod the file.
255
# But in the general case, we won't have to
256
os.chmod(abspath, mode)
261
def put_file_non_atomic(self, relpath, f, mode=None,
262
create_parent_dir=False,
264
"""Copy the file-like object into the target location.
266
This function is not strictly safe to use. It is only meant to
267
be used when you already know that the target does not exist.
268
It is not safe, because it will open and truncate the remote
269
file. So there may be a time when the file has invalid contents.
271
:param relpath: The remote location to put the contents.
272
:param f: File-like object.
273
:param mode: Possible access permissions for new file.
274
None means do not set remote permissions.
275
:param create_parent_dir: If we cannot create the target file because
276
the parent directory does not exist, go ahead and
277
create it, and then try again.
280
self._pump_to_fd(f, fd)
281
self._put_non_atomic_helper(relpath, writer, mode=mode,
282
create_parent_dir=create_parent_dir,
285
def put_bytes_non_atomic(self, relpath, bytes, mode=None,
286
create_parent_dir=False, dir_mode=None):
289
self._put_non_atomic_helper(relpath, writer, mode=mode,
290
create_parent_dir=create_parent_dir,
293
def iter_files_recursive(self):
294
"""Iter the relative paths of files in the transports sub-tree."""
295
queue = list(self.list_dir(u'.'))
297
relpath = queue.pop(0)
298
st = self.stat(relpath)
299
if S_ISDIR(st[ST_MODE]):
300
for i, basename in enumerate(self.list_dir(relpath)):
301
queue.insert(i, relpath+'/'+basename)
305
def _mkdir(self, abspath, mode=None):
306
"""Create a real directory, filtering through mode"""
308
# os.mkdir() will filter through umask
313
os.mkdir(abspath, local_mode)
315
# It is probably faster to just do the chmod, rather than
316
# doing a stat, and then trying to compare
317
os.chmod(abspath, mode)
318
except (IOError, OSError),e:
319
self._translate_error(e, abspath)
321
def mkdir(self, relpath, mode=None):
77
if e.errno == errno.ENOENT:
78
raise NoSuchFile('File %r does not exist' % path, orig_error=e)
79
raise LocalTransportError(orig_error=e)
81
def get_partial(self, relpath, start, length=None):
82
"""Get just part of a file.
84
:param relpath: Path to the file, relative to base
85
:param start: The starting position to read from
86
:param length: The length to read. A length of None indicates
87
read to the end of the file.
88
:return: A file-like object containing at least the specified bytes.
89
Some implementations may return objects which can be read
90
past this length, but this is not guaranteed.
92
# LocalTransport.get_partial() doesn't care about the length
93
# argument, because it is using a local file, and thus just
94
# returns the file seek'ed to the appropriate location.
96
path = self.abspath(relpath)
101
if e.errno == errno.ENOENT:
102
raise NoSuchFile('File %r does not exist' % path, orig_error=e)
103
raise LocalTransportError(orig_error=e)
105
def put(self, relpath, f):
106
"""Copy the file-like or string object into the location.
108
:param relpath: Location to put the contents, relative to base.
109
:param f: File-like or string object.
111
from bzrlib.atomicfile import AtomicFile
114
path = self.abspath(relpath)
115
fp = AtomicFile(path, 'wb')
117
if e.errno == errno.ENOENT:
118
raise NoSuchFile('File %r does not exist' % path, orig_error=e)
119
raise LocalTransportError(orig_error=e)
126
def mkdir(self, relpath):
322
127
"""Create a directory at the given path."""
323
self._mkdir(self._abspath(relpath), mode=mode)
325
def open_write_stream(self, relpath, mode=None):
326
"""See Transport.open_write_stream."""
327
# initialise the file
328
self.put_bytes_non_atomic(relpath, "", mode=mode)
329
abspath = self._abspath(relpath)
330
handle = open(abspath, 'wb')
332
self._check_mode_and_size(abspath, handle.fileno(), mode)
333
transport._file_streams[self.abspath(relpath)] = handle
334
return transport.FileFileStream(self, relpath, handle)
336
def _get_append_file(self, relpath, mode=None):
337
"""Call os.open() for the given relpath"""
338
file_abspath = self._abspath(relpath)
340
# os.open() will automatically use the umask
345
return file_abspath, os.open(file_abspath, _append_flags, local_mode)
346
except (IOError, OSError),e:
347
self._translate_error(e, relpath)
349
def _check_mode_and_size(self, file_abspath, fd, mode=None):
350
"""Check the mode of the file, and return the current size"""
352
if mode is not None and mode != S_IMODE(st.st_mode):
353
# Because of umask, we may still need to chmod the file.
354
# But in the general case, we won't have to
355
os.chmod(file_abspath, mode)
358
def append_file(self, relpath, f, mode=None):
359
"""Append the text in the file-like object into the final location."""
360
file_abspath, fd = self._get_append_file(relpath, mode=mode)
362
result = self._check_mode_and_size(file_abspath, fd, mode=mode)
363
self._pump_to_fd(f, fd)
368
def append_bytes(self, relpath, bytes, mode=None):
369
"""Append the text in the string into the final location."""
370
file_abspath, fd = self._get_append_file(relpath, mode=mode)
372
result = self._check_mode_and_size(file_abspath, fd, mode=mode)
378
def _pump_to_fd(self, fromfile, to_fd):
379
"""Copy contents of one file to another."""
382
b = fromfile.read(BUFSIZE)
129
os.mkdir(self.abspath(relpath))
131
if e.errno == errno.EEXIST:
132
raise FileExists(orig_error=e)
133
elif e.errno == errno.ENOENT:
134
raise NoSuchFile(orig_error=e)
135
raise LocalTransportError(orig_error=e)
137
def append(self, relpath, f):
138
"""Append the text in the file-like object into the final
141
fp = open(self.abspath(relpath), 'ab')
387
144
def copy(self, rel_from, rel_to):
388
145
"""Copy the item at rel_from to the location at rel_to"""
389
path_from = self._abspath(rel_from)
390
path_to = self._abspath(rel_to)
147
path_from = self.abspath(rel_from)
148
path_to = self.abspath(rel_to)
392
150
shutil.copy(path_from, path_to)
393
except (IOError, OSError),e:
394
# TODO: What about path_to?
395
self._translate_error(e, path_from)
397
def rename(self, rel_from, rel_to):
398
path_from = self._abspath(rel_from)
400
# *don't* call bzrlib.osutils.rename, because we want to
401
# detect errors on rename
402
os.rename(path_from, self._abspath(rel_to))
403
except (IOError, OSError),e:
404
# TODO: What about path_to?
405
self._translate_error(e, path_from)
152
raise LocalTransportError(orig_error=e)
407
154
def move(self, rel_from, rel_to):
408
155
"""Move the item at rel_from to the location at rel_to"""
409
path_from = self._abspath(rel_from)
410
path_to = self._abspath(rel_to)
156
path_from = self.abspath(rel_from)
157
path_to = self.abspath(rel_to)
413
# this version will delete the destination if necessary
414
osutils.rename(path_from, path_to)
415
except (IOError, OSError),e:
416
# TODO: What about path_to?
417
self._translate_error(e, path_from)
160
os.rename(path_from, path_to)
162
raise LocalTransportError(orig_error=e)
419
164
def delete(self, relpath):
420
165
"""Delete the item at relpath"""
423
path = self._abspath(relpath)
425
except (IOError, OSError),e:
426
self._translate_error(e, path)
428
def external_url(self):
429
"""See bzrlib.transport.Transport.external_url."""
430
# File URL's are externally usable.
433
def copy_to(self, relpaths, other, mode=None, pb=None):
167
os.remove(self.abspath(relpath))
169
raise LocalTransportError(orig_error=e)
171
def copy_to(self, relpaths, other, pb=None):
434
172
"""Copy a set of entries from self into another Transport.
436
174
:param relpaths: A list/generator of entries to be copied.
added
removed
bzrlib/transport/local.py
