« back to all changes in this revision
Viewing changes to bzrlib/workingtree.py
- browse files at revision 531
- compare with another revision
- download diff
- download tarball
- view history from revision 531
- Committer: Martin Pool
- Date: 2005-05-17 08:20:31 UTC
- Revision ID: mbp@sourcefrog.net-20050517082031-802a4d121b6c87f0
- new utility TreeDelta.touches_file_id
- files added:
- bzrlib/atomicfile.py
- patches
- files removed:
- bzrlib/tests.py
- files modified:
- .bzrignore
added
removed
bzrlib/workingtree.py
1
# Copyright (C) 2005 Canonical Ltd
2
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
7
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
12
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
17
18
import os
19
20
import bzrlib.tree
21
from errors import BzrCheckError
22
from trace import mutter
23
import statcache
24
25
class WorkingTree(bzrlib.tree.Tree):
26
"""Working copy tree.
27
28
The inventory is held in the `Branch` working-inventory, and the
29
files are in a directory on disk.
30
31
It is possible for a `WorkingTree` to have a filename which is
32
not listed in the Inventory and vice versa.
33
"""
34
_statcache = None
35
36
def __init__(self, basedir, inv):
37
self._inventory = inv
38
self.basedir = basedir
39
self.path2id = inv.path2id
40
self._update_statcache()
41
42
def __iter__(self):
43
"""Iterate through file_ids for this tree.
44
45
file_ids are in a WorkingTree if they are in the working inventory
46
and the working file exists.
47
"""
48
inv = self._inventory
49
for file_id in self._inventory:
50
# TODO: This is slightly redundant; we should be able to just
51
# check the statcache but it only includes regular files.
52
# only include files which still exist on disk
53
ie = inv[file_id]
54
if ie.kind == 'file':
55
if ((file_id in self._statcache)
56
or (os.path.exists(self.abspath(inv.id2path(file_id))))):
57
yield file_id
58
59
60
61
def __repr__(self):
62
return "<%s of %s>" % (self.__class__.__name__,
63
self.basedir)
64
65
def abspath(self, filename):
66
return os.path.join(self.basedir, filename)
67
68
def has_filename(self, filename):
69
return os.path.exists(self.abspath(filename))
70
71
def get_file(self, file_id):
72
return self.get_file_byname(self.id2path(file_id))
73
74
def get_file_byname(self, filename):
75
return file(self.abspath(filename), 'rb')
76
77
def _get_store_filename(self, file_id):
78
## XXX: badly named; this isn't in the store at all
79
return self.abspath(self.id2path(file_id))
80
81
82
def has_id(self, file_id):
83
# files that have been deleted are excluded
84
if not self.inventory.has_id(file_id):
85
return False
86
if file_id in self._statcache:
87
return True
88
return os.path.exists(self.abspath(self.id2path(file_id)))
89
90
91
__contains__ = has_id
92
93
94
def _update_statcache(self):
95
import statcache
96
if not self._statcache:
97
self._statcache = statcache.update_cache(self.basedir, self.inventory)
98
99
def get_file_size(self, file_id):
100
import os, stat
101
return os.stat(self._get_store_filename(file_id))[stat.ST_SIZE]
102
103
104
def get_file_sha1(self, file_id):
105
return self._statcache[file_id][statcache.SC_SHA1]
106
107
108
def file_class(self, filename):
109
if self.path2id(filename):
110
return 'V'
111
elif self.is_ignored(filename):
112
return 'I'
113
else:
114
return '?'
115
116
117
def list_files(self):
118
"""Recursively list all files as (path, class, kind, id).
119
120
Lists, but does not descend into unversioned directories.
121
122
This does not include files that have been deleted in this
123
tree.
124
125
Skips the control directory.
126
"""
127
from osutils import appendpath, file_kind
128
import os
129
130
inv = self.inventory
131
132
def descend(from_dir_relpath, from_dir_id, dp):
133
ls = os.listdir(dp)
134
ls.sort()
135
for f in ls:
136
## TODO: If we find a subdirectory with its own .bzr
137
## directory, then that is a separate tree and we
138
## should exclude it.
139
if bzrlib.BZRDIR == f:
140
continue
141
142
# path within tree
143
fp = appendpath(from_dir_relpath, f)
144
145
# absolute path
146
fap = appendpath(dp, f)
147
148
f_ie = inv.get_child(from_dir_id, f)
149
if f_ie:
150
c = 'V'
151
elif self.is_ignored(fp):
152
c = 'I'
153
else:
154
c = '?'
155
156
fk = file_kind(fap)
157
158
if f_ie:
159
if f_ie.kind != fk:
160
raise BzrCheckError("file %r entered as kind %r id %r, "
161
"now of kind %r"
162
% (fap, f_ie.kind, f_ie.file_id, fk))
163
164
yield fp, c, fk, (f_ie and f_ie.file_id)
165
166
if fk != 'directory':
167
continue
168
169
if c != 'V':
170
# don't descend unversioned directories
171
continue
172
173
for ff in descend(fp, f_ie.file_id, fap):
174
yield ff
175
176
for f in descend('', inv.root.file_id, self.basedir):
177
yield f
178
179
180
181
def unknowns(self):
182
for subp in self.extras():
183
if not self.is_ignored(subp):
184
yield subp
185
186
187
def extras(self):
188
"""Yield all unknown files in this WorkingTree.
189
190
If there are any unknown directories then only the directory is
191
returned, not all its children. But if there are unknown files
192
under a versioned subdirectory, they are returned.
193
194
Currently returned depth-first, sorted by name within directories.
195
"""
196
## TODO: Work from given directory downwards
197
from osutils import isdir, appendpath
198
199
for path, dir_entry in self.inventory.directories():
200
mutter("search for unknowns in %r" % path)
201
dirabs = self.abspath(path)
202
if not isdir(dirabs):
203
# e.g. directory deleted
204
continue
205
206
fl = []
207
for subf in os.listdir(dirabs):
208
if (subf != '.bzr'
209
and (subf not in dir_entry.children)):
210
fl.append(subf)
211
212
fl.sort()
213
for subf in fl:
214
subp = appendpath(path, subf)
215
yield subp
216
217
218
def ignored_files(self):
219
"""Yield list of PATH, IGNORE_PATTERN"""
220
for subp in self.extras():
221
pat = self.is_ignored(subp)
222
if pat != None:
223
yield subp, pat
224
225
226
def get_ignore_list(self):
227
"""Return list of ignore patterns.
228
229
Cached in the Tree object after the first call.
230
"""
231
if hasattr(self, '_ignorelist'):
232
return self._ignorelist
233
234
l = bzrlib.DEFAULT_IGNORE[:]
235
if self.has_filename(bzrlib.IGNORE_FILENAME):
236
f = self.get_file_byname(bzrlib.IGNORE_FILENAME)
237
l.extend([line.rstrip("\n\r") for line in f.readlines()])
238
self._ignorelist = l
239
return l
240
241
242
def is_ignored(self, filename):
243
r"""Check whether the filename matches an ignore pattern.
244
245
Patterns containing '/' or '\' need to match the whole path;
246
others match against only the last component.
247
248
If the file is ignored, returns the pattern which caused it to
249
be ignored, otherwise None. So this can simply be used as a
250
boolean if desired."""
251
252
# TODO: Use '**' to match directories, and other extended
253
# globbing stuff from cvs/rsync.
254
255
# XXX: fnmatch is actually not quite what we want: it's only
256
# approximately the same as real Unix fnmatch, and doesn't
257
# treat dotfiles correctly and allows * to match /.
258
# Eventually it should be replaced with something more
259
# accurate.
260
261
import fnmatch
262
from osutils import splitpath
263
264
for pat in self.get_ignore_list():
265
if '/' in pat or '\\' in pat:
266
267
# as a special case, you can put ./ at the start of a
268
# pattern; this is good to match in the top-level
269
# only;
270
271
if (pat[:2] == './') or (pat[:2] == '.\\'):
272
newpat = pat[2:]
273
else:
274
newpat = pat
275
if fnmatch.fnmatchcase(filename, newpat):
276
return pat
277
else:
278
if fnmatch.fnmatchcase(splitpath(filename)[-1], pat):
279
return pat
280
else:
281
return None
282
283
284
285
286
Loggerhead is a web-based interface for Breezy
Version: 2.0.1