110
117
raise BzrError("lstat/stat of (%r): %r" % (f, e))
112
def normalizepath(f):
113
if hasattr(os.path, 'realpath'):
117
[p,e] = os.path.split(f)
118
if e == "" or e == "." or e == "..":
121
return os.path.join(F(p), e)
119
def fancy_rename(old, new, rename_func, unlink_func):
120
"""A fancy rename, when you don't have atomic rename.
122
:param old: The old path, to rename from
123
:param new: The new path, to rename to
124
:param rename_func: The potentially non-atomic rename function
125
:param unlink_func: A way to delete the target file if the full rename succeeds
128
# sftp rename doesn't allow overwriting, so play tricks:
130
base = os.path.basename(new)
131
dirname = os.path.dirname(new)
132
tmp_name = u'tmp.%s.%.9f.%d.%d' % (base, time.time(), os.getpid(), random.randint(0, 0x7FFFFFFF))
133
tmp_name = pathjoin(dirname, tmp_name)
135
# Rename the file out of the way, but keep track if it didn't exist
136
# We don't want to grab just any exception
137
# something like EACCES should prevent us from continuing
138
# The downside is that the rename_func has to throw an exception
139
# with an errno = ENOENT, or NoSuchFile
142
rename_func(new, tmp_name)
143
except (NoSuchFile,), e:
146
# RBC 20060103 abstraction leakage: the paramiko SFTP clients rename
147
# function raises an IOError with errno == None when a rename fails.
148
# This then gets caught here.
149
if e.errno not in (None, errno.ENOENT, errno.ENOTDIR):
152
if (not hasattr(e, 'errno')
153
or e.errno not in (errno.ENOENT, errno.ENOTDIR)):
160
# This may throw an exception, in which case success will
162
rename_func(old, new)
166
# If the file used to exist, rename it back into place
167
# otherwise just delete it from the tmp location
169
unlink_func(tmp_name)
171
rename_func(tmp_name, new)
173
# Default is to just use the python builtins
174
abspath = os.path.abspath
175
realpath = os.path.realpath
176
pathjoin = os.path.join
177
normpath = os.path.normpath
179
mkdtemp = tempfile.mkdtemp
181
dirname = os.path.dirname
182
basename = os.path.basename
123
184
if os.name == "posix":
124
185
# In Python 2.4.2 and older, os.path.abspath and os.path.realpath
128
189
_fs_enc = sys.getfilesystemencoding()
129
190
def abspath(path):
130
191
return os.path.abspath(path.encode(_fs_enc)).decode(_fs_enc)
131
193
def realpath(path):
132
194
return os.path.realpath(path.encode(_fs_enc)).decode(_fs_enc)
196
if sys.platform == 'win32':
134
197
# We need to use the Unicode-aware os.path.abspath and
135
198
# os.path.realpath on Windows systems.
136
abspath = os.path.abspath
137
realpath = os.path.realpath
200
return os.path.abspath(path).replace('\\', '/')
203
return os.path.realpath(path).replace('\\', '/')
206
return os.path.join(*args).replace('\\', '/')
209
return os.path.normpath(path).replace('\\', '/')
212
return os.getcwdu().replace('\\', '/')
214
def mkdtemp(*args, **kwargs):
215
return tempfile.mkdtemp(*args, **kwargs).replace('\\', '/')
217
def rename(old, new):
218
fancy_rename(old, new, rename_func=os.rename, unlink_func=os.unlink)
221
def normalizepath(f):
222
if hasattr(os.path, 'realpath'):
226
[p,e] = os.path.split(f)
227
if e == "" or e == "." or e == "..":
230
return pathjoin(F(p), e)
139
233
def backup_file(fn):
140
234
"""Copy a file to a backup.
195
283
def is_inside(dir, fname):
196
284
"""True if fname is inside dir.
198
The parameters should typically be passed to os.path.normpath first, so
286
The parameters should typically be passed to osutils.normpath first, so
199
287
that . and .. and repeated slashes are eliminated, and the separators
200
288
are canonical for the platform.
202
290
The empty string as a dir name is taken as top-of-tree and matches
205
>>> is_inside('src', os.path.join('src', 'foo.c'))
293
>>> is_inside('src', pathjoin('src', 'foo.c'))
207
295
>>> is_inside('src', 'srccontrol')
209
>>> is_inside('src', os.path.join('src', 'a', 'a', 'a', 'foo.c'))
297
>>> is_inside('src', pathjoin('src', 'a', 'a', 'a', 'foo.c'))
211
299
>>> is_inside('foo.c', 'foo.c')
488
576
# to branch anymore.
489
577
raise PathNotChild(rp, base)
491
return os.sep.join(s)
585
def safe_unicode(unicode_or_utf8_string):
586
"""Coerce unicode_or_utf8_string into unicode.
588
If it is unicode, it is returned.
589
Otherwise it is decoded from utf-8. If a decoding error
590
occurs, it is wrapped as a If the decoding fails, the exception is wrapped
591
as a BzrBadParameter exception.
593
if isinstance(unicode_or_utf8_string, unicode):
594
return unicode_or_utf8_string
596
return unicode_or_utf8_string.decode('utf8')
597
except UnicodeDecodeError:
598
raise BzrBadParameter(unicode_or_utf8_string)
495
601
def terminal_width():