« back to all changes in this revision
Viewing changes to bzrlib/inventory.py
- browse files at revision 1226
- compare with another revision
- download diff
- download tarball
- view history from revision 1226
- Committer: Martin Pool
- Date: 2005-09-13 05:22:41 UTC
- Revision ID: mbp@sourcefrog.net-20050913052241-52dbd8e8ced620f6
- better BZR_DEBUG trace output
- files added:
- bzrlib/mdiff.py
- files removed:
- BRANCH.TODO
- bzrlib/export
- bzrlib/store
- bzrlib/tests/blackbox
- bzrlib/transport
- bzrlib/ui
- bzrlib/util/configobj
- bzrlib/util/configobj/docs
- files renamed:
- bzr_man.py => bzr-man.py
- bzrlib/tests/ => bzrlib/selftest/
- bzrlib/tests/blackbox/test_too_much.py => bzrlib/selftest/blackbox.py
- bzrlib/tests/test_plugins.py => bzrlib/selftest/plugins.py
- bzrlib/tests/test_branch.py => bzrlib/selftest/testbranch.py
- bzrlib/tests/test_diff.py => bzrlib/selftest/testdiff.py
- bzrlib/tests/test_fetch.py => bzrlib/selftest/testfetch.py
- bzrlib/tests/test_hashcache.py => bzrlib/selftest/testhashcache.py
- bzrlib/tests/test_inv.py => bzrlib/selftest/testinv.py
- bzrlib/tests/test_log.py => bzrlib/selftest/testlog.py
- bzrlib/tests/test_merge3.py => bzrlib/selftest/testmerge3.py
- bzrlib/tests/test_revision.py => bzrlib/selftest/testrevision.py
- bzrlib/tests/test_revisionnamespaces.py => bzrlib/selftest/testrevisionnamespaces.py
- bzrlib/tests/test_status.py => bzrlib/selftest/teststatus.py
- bzrlib/tests/test_store.py => bzrlib/selftest/teststore.py
- bzrlib/tests/blackbox/test_versioning.py => bzrlib/selftest/versioning.py
- bzrlib/tests/test_whitebox.py => bzrlib/selftest/whitebox.py
- bzrlib/store/__init__.py => bzrlib/store.py
- bzrlib/ui/__init__.py => bzrlib/ui.py
- bzrlib/store/weave.py => bzrlib/weavestore.py
- bzrlib/upgrade.py => tools/history2weaves.py
- bzrlib/tests/test_weave.py => tools/testweave.py
- files modified:
- .bzrignore
- bzr *
- setup.py *
added
removed
bzrlib/inventory.py
1
1
# (C) 2005 Canonical Ltd
2
#
2
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
7
#
7
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
11
# GNU General Public License for more details.
12
#
12
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
16
17
# FIXME: This refactoring of the workingtree code doesn't seem to keep
18
# the WorkingTree's copy of the inventory in sync with the branch. The
19
# branch modifies its working inventory when it does a commit to make
20
# missing files permanently removed.
21
17
22
18
# TODO: Maybe also keep the full path of the entry, and the children?
23
19
# But those depend on its position within a particular inventory, and
24
20
# it would be nice not to need to hold the backpointer here.
25
21
22
# TODO: Perhaps split InventoryEntry into subclasses for files,
23
# directories, etc etc.
24
25
26
26
# This should really be an id randomly assigned when the tree is
27
27
# created, but it's not for now.
28
28
ROOT_ID = "TREE_ROOT"
29
29
30
30
31
import os.path
32
import re
33
import sys
34
import tarfile
35
import types
31
import sys, os.path, types, re
36
32
37
33
import bzrlib
38
from bzrlib.osutils import (pumpfile, quotefn, splitpath, joinpath,
39
pathjoin, sha_strings)
34
from bzrlib.errors import BzrError, BzrCheckError
35
36
from bzrlib.osutils import uuid, quotefn, splitpath, joinpath, appendpath
40
37
from bzrlib.trace import mutter
41
from bzrlib.errors import (NotVersionedError, InvalidEntryName,
42
BzrError, BzrCheckError)
43
38
from bzrlib.errors import NotVersionedError
39
44
40
45
41
class InventoryEntry(object):
46
42
"""Description of a versioned file.
53
49
name
54
50
(within the parent directory)
55
51
52
kind
53
'directory' or 'file'
54
56
55
parent_id
57
56
file_id of the parent directory, or ROOT_ID
58
57
59
revision
60
the revision_id in which this variation of this file was
61
introduced.
62
63
executable
64
Indicates that this file should be executable on systems
65
that support it.
58
entry_version
59
the revision_id in which the name or parent of this file was
60
last changed
66
61
67
62
text_sha1
68
63
sha-1 of the text of the file
70
65
text_size
71
66
size in bytes of the text of the file
72
67
68
text_version
69
the revision_id in which the text of this file was introduced
70
73
71
(reading a version 4 tree created a text_id field.)
74
72
75
73
>>> i = Inventory()
76
74
>>> i.path2id('')
77
75
'TREE_ROOT'
78
>>> i.add(InventoryDirectory('123', 'src', ROOT_ID))
79
InventoryDirectory('123', 'src', parent_id='TREE_ROOT')
80
>>> i.add(InventoryFile('2323', 'hello.c', parent_id='123'))
81
InventoryFile('2323', 'hello.c', parent_id='123')
82
>>> shouldbe = {0: 'src', 1: pathjoin('src','hello.c')}
83
>>> for ix, j in enumerate(i.iter_entries()):
84
... print (j[0] == shouldbe[ix], j[1])
76
>>> i.add(InventoryEntry('123', 'src', 'directory', ROOT_ID))
77
InventoryEntry('123', 'src', kind='directory', parent_id='TREE_ROOT')
78
>>> i.add(InventoryEntry('2323', 'hello.c', 'file', parent_id='123'))
79
InventoryEntry('2323', 'hello.c', kind='file', parent_id='123')
80
>>> for j in i.iter_entries():
81
... print j
85
82
...
86
(True, InventoryDirectory('123', 'src', parent_id='TREE_ROOT'))
87
(True, InventoryFile('2323', 'hello.c', parent_id='123'))
88
>>> i.add(InventoryFile('2323', 'bye.c', '123'))
83
('src', InventoryEntry('123', 'src', kind='directory', parent_id='TREE_ROOT'))
84
('src/hello.c', InventoryEntry('2323', 'hello.c', kind='file', parent_id='123'))
85
>>> i.add(InventoryEntry('2323', 'bye.c', 'file', '123'))
89
86
Traceback (most recent call last):
90
87
...
91
88
BzrError: inventory already contains entry with id {2323}
92
>>> i.add(InventoryFile('2324', 'bye.c', '123'))
93
InventoryFile('2324', 'bye.c', parent_id='123')
94
>>> i.add(InventoryDirectory('2325', 'wibble', '123'))
95
InventoryDirectory('2325', 'wibble', parent_id='123')
89
>>> i.add(InventoryEntry('2324', 'bye.c', 'file', '123'))
90
InventoryEntry('2324', 'bye.c', kind='file', parent_id='123')
91
>>> i.add(InventoryEntry('2325', 'wibble', 'directory', '123'))
92
InventoryEntry('2325', 'wibble', kind='directory', parent_id='123')
96
93
>>> i.path2id('src/wibble')
97
94
'2325'
98
95
>>> '2325' in i
99
96
True
100
>>> i.add(InventoryFile('2326', 'wibble.c', '2325'))
101
InventoryFile('2326', 'wibble.c', parent_id='2325')
97
>>> i.add(InventoryEntry('2326', 'wibble.c', 'file', '2325'))
98
InventoryEntry('2326', 'wibble.c', kind='file', parent_id='2325')
102
99
>>> i['2326']
103
InventoryFile('2326', 'wibble.c', parent_id='2325')
104
>>> for path, entry in i.iter_entries():
105
... print path
106
... assert i.path2id(path)
100
InventoryEntry('2326', 'wibble.c', kind='file', parent_id='2325')
101
>>> for j in i.iter_entries():
102
... print j[0]
103
... assert i.path2id(j[0])
107
104
...
108
105
src
109
106
src/bye.c
115
112
"""
116
113
117
114
__slots__ = ['text_sha1', 'text_size', 'file_id', 'name', 'kind',
118
'text_id', 'parent_id', 'children', 'executable',
119
'revision']
120
121
def _add_text_to_weave(self, new_lines, parents, weave_store, transaction):
122
weave_store.add_text(self.file_id, self.revision, new_lines, parents,
123
transaction)
124
125
def detect_changes(self, old_entry):
126
"""Return a (text_modified, meta_modified) from this to old_entry.
127
128
_read_tree_state must have been called on self and old_entry prior to
129
calling detect_changes.
130
"""
131
return False, False
132
133
def diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
134
output_to, reverse=False):
135
"""Perform a diff from this to to_entry.
136
137
text_diff will be used for textual difference calculation.
138
This is a template method, override _diff in child classes.
139
"""
140
self._read_tree_state(tree.id2path(self.file_id), tree)
141
if to_entry:
142
# cannot diff from one kind to another - you must do a removal
143
# and an addif they do not match.
144
assert self.kind == to_entry.kind
145
to_entry._read_tree_state(to_tree.id2path(to_entry.file_id),
146
to_tree)
147
self._diff(text_diff, from_label, tree, to_label, to_entry, to_tree,
148
output_to, reverse)
149
150
def _diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
151
output_to, reverse=False):
152
"""Perform a diff between two entries of the same kind."""
153
154
def find_previous_heads(self, previous_inventories, entry_weave):
155
"""Return the revisions and entries that directly preceed this.
156
157
Returned as a map from revision to inventory entry.
158
159
This is a map containing the file revisions in all parents
160
for which the file exists, and its revision is not a parent of
161
any other. If the file is new, the set will be empty.
162
"""
163
def get_ancestors(weave, entry):
164
return set(map(weave.idx_to_name,
165
weave.inclusions([weave.lookup(entry.revision)])))
166
heads = {}
167
head_ancestors = {}
168
for inv in previous_inventories:
169
if self.file_id in inv:
170
ie = inv[self.file_id]
171
assert ie.file_id == self.file_id
172
if ie.revision in heads:
173
# fixup logic, there was a bug in revision updates.
174
# with x bit support.
175
try:
176
if heads[ie.revision].executable != ie.executable:
177
heads[ie.revision].executable = False
178
ie.executable = False
179
except AttributeError:
180
pass
181
assert heads[ie.revision] == ie
182
else:
183
# may want to add it.
184
# may already be covered:
185
already_present = 0 != len(
186
[head for head in heads
187
if ie.revision in head_ancestors[head]])
188
if already_present:
189
# an ancestor of a known head.
190
continue
191
# definately a head:
192
ancestors = get_ancestors(entry_weave, ie)
193
# may knock something else out:
194
check_heads = list(heads.keys())
195
for head in check_heads:
196
if head in ancestors:
197
# this head is not really a head
198
heads.pop(head)
199
head_ancestors[ie.revision] = ancestors
200
heads[ie.revision] = ie
201
return heads
202
203
def get_tar_item(self, root, dp, now, tree):
204
"""Get a tarfile item and a file stream for its content."""
205
item = tarfile.TarInfo(pathjoin(root, dp))
206
# TODO: would be cool to actually set it to the timestamp of the
207
# revision it was last changed
208
item.mtime = now
209
fileobj = self._put_in_tar(item, tree)
210
return item, fileobj
211
212
def has_text(self):
213
"""Return true if the object this entry represents has textual data.
214
215
Note that textual data includes binary content.
216
217
Also note that all entries get weave files created for them.
218
This attribute is primarily used when upgrading from old trees that
219
did not have the weave index for all inventory entries.
220
"""
221
return False
222
223
def __init__(self, file_id, name, parent_id, text_id=None):
115
'text_id', 'parent_id', 'children',
116
'text_version', 'entry_version', ]
117
118
119
def __init__(self, file_id, name, kind, parent_id, text_id=None):
224
120
"""Create an InventoryEntry
225
121
226
122
The filename must be a single component, relative to the
227
123
parent directory; it cannot be a whole path or relative name.
228
124
229
>>> e = InventoryFile('123', 'hello.c', ROOT_ID)
125
>>> e = InventoryEntry('123', 'hello.c', 'file', ROOT_ID)
230
126
>>> e.name
231
127
'hello.c'
232
128
>>> e.file_id
233
129
'123'
234
>>> e = InventoryFile('123', 'src/hello.c', ROOT_ID)
130
>>> e = InventoryEntry('123', 'src/hello.c', 'file', ROOT_ID)
235
131
Traceback (most recent call last):
236
InvalidEntryName: Invalid entry name: src/hello.c
132
BzrCheckError: InventoryEntry name 'src/hello.c' is invalid
237
133
"""
238
134
assert isinstance(name, basestring), name
239
135
if '/' in name or '\\' in name:
240
raise InvalidEntryName(name=name)
241
self.executable = False
242
self.revision = None
136
raise BzrCheckError('InventoryEntry name %r is invalid' % name)
137
138
self.text_version = None
139
self.entry_version = None
243
140
self.text_sha1 = None
244
141
self.text_size = None
245
142
self.file_id = file_id
246
143
self.name = name
144
self.kind = kind
247
145
self.text_id = text_id
248
146
self.parent_id = parent_id
249
self.symlink_target = None
250
251
def kind_character(self):
252
"""Return a short kind indicator useful for appending to names."""
253
raise BzrError('unknown kind %r' % self.kind)
254
255
known_kinds = ('file', 'directory', 'symlink', 'root_directory')
256
257
def _put_in_tar(self, item, tree):
258
"""populate item for stashing in a tar, and return the content stream.
259
260
If no content is available, return None.
261
"""
262
raise BzrError("don't know how to export {%s} of kind %r" %
263
(self.file_id, self.kind))
264
265
def put_on_disk(self, dest, dp, tree):
266
"""Create a representation of self on disk in the prefix dest.
267
268
This is a template method - implement _put_on_disk in subclasses.
269
"""
270
fullpath = pathjoin(dest, dp)
271
self._put_on_disk(fullpath, tree)
272
mutter(" export {%s} kind %s to %s", self.file_id,
273
self.kind, fullpath)
274
275
def _put_on_disk(self, fullpath, tree):
276
"""Put this entry onto disk at fullpath, from tree tree."""
277
raise BzrError("don't know how to export {%s} of kind %r" % (self.file_id, self.kind))
147
if kind == 'directory':
148
self.children = {}
149
elif kind == 'file':
150
pass
151
else:
152
raise BzrError("unhandled entry kind %r" % kind)
153
154
278
155
279
156
def sorted_children(self):
280
157
l = self.children.items()
281
158
l.sort()
282
159
return l
283
160
284
@staticmethod
285
def versionable_kind(kind):
286
return kind in ('file', 'directory', 'symlink')
287
288
def check(self, checker, rev_id, inv, tree):
289
"""Check this inventory entry is intact.
290
291
This is a template method, override _check for kind specific
292
tests.
293
"""
294
if self.parent_id != None:
295
if not inv.has_id(self.parent_id):
296
raise BzrCheckError('missing parent {%s} in inventory for revision {%s}'
297
% (self.parent_id, rev_id))
298
self._check(checker, rev_id, tree)
299
300
def _check(self, checker, rev_id, tree):
301
"""Check this inventory entry for kind specific errors."""
302
raise BzrCheckError('unknown entry kind %r in revision {%s}' %
303
(self.kind, rev_id))
304
305
161
306
162
def copy(self):
307
"""Clone this inventory entry."""
308
raise NotImplementedError
163
other = InventoryEntry(self.file_id, self.name, self.kind,
164
self.parent_id)
165
other.text_id = self.text_id
166
other.text_sha1 = self.text_sha1
167
other.text_size = self.text_size
168
other.text_version = self.text_version
169
# note that children are *not* copied; they're pulled across when
170
# others are added
171
return other
309
172
310
def _get_snapshot_change(self, previous_entries):
311
if len(previous_entries) > 1:
312
return 'merged'
313
elif len(previous_entries) == 0:
314
return 'added'
315
else:
316
return 'modified/renamed/reparented'
317
173
318
174
def __repr__(self):
319
return ("%s(%r, %r, parent_id=%r)"
175
return ("%s(%r, %r, kind=%r, parent_id=%r)"
320
176
% (self.__class__.__name__,
321
177
self.file_id,
322
178
self.name,
179
self.kind,
323
180
self.parent_id))
324
181
325
def snapshot(self, revision, path, previous_entries,
326
work_tree, weave_store, transaction):
327
"""Make a snapshot of this entry which may or may not have changed.
328
329
This means that all its fields are populated, that it has its
330
text stored in the text store or weave.
331
"""
332
mutter('new parents of %s are %r', path, previous_entries)
333
self._read_tree_state(path, work_tree)
334
if len(previous_entries) == 1:
335
# cannot be unchanged unless there is only one parent file rev.
336
parent_ie = previous_entries.values()[0]
337
if self._unchanged(parent_ie):
338
mutter("found unchanged entry")
339
self.revision = parent_ie.revision
340
return "unchanged"
341
return self.snapshot_revision(revision, previous_entries,
342
work_tree, weave_store, transaction)
343
344
def snapshot_revision(self, revision, previous_entries, work_tree,
345
weave_store, transaction):
346
"""Record this revision unconditionally."""
347
mutter('new revision for {%s}', self.file_id)
348
self.revision = revision
349
change = self._get_snapshot_change(previous_entries)
350
self._snapshot_text(previous_entries, work_tree, weave_store,
351
transaction)
352
return change
353
354
def _snapshot_text(self, file_parents, work_tree, weave_store, transaction):
355
"""Record the 'text' of this entry, whatever form that takes.
356
357
This default implementation simply adds an empty text.
358
"""
359
mutter('storing file {%s} in revision {%s}',
360
self.file_id, self.revision)
361
self._add_text_to_weave([], file_parents, weave_store, transaction)
362
182
363
183
def __eq__(self, other):
364
184
if not isinstance(other, InventoryEntry):
365
185
return NotImplemented
366
186
367
return ((self.file_id == other.file_id)
368
and (self.name == other.name)
369
and (other.symlink_target == self.symlink_target)
370
and (self.text_sha1 == other.text_sha1)
371
and (self.text_size == other.text_size)
372
and (self.text_id == other.text_id)
373
and (self.parent_id == other.parent_id)
374
and (self.kind == other.kind)
375
and (self.revision == other.revision)
376
and (self.executable == other.executable)
377
)
187
return (self.file_id == other.file_id) \
188
and (self.name == other.name) \
189
and (self.text_sha1 == other.text_sha1) \
190
and (self.text_size == other.text_size) \
191
and (self.text_id == other.text_id) \
192
and (self.parent_id == other.parent_id) \
193
and (self.kind == other.kind) \
194
and (self.text_version == other.text_version) \
195
and (self.entry_version == other.entry_version)
196
378
197
379
198
def __ne__(self, other):
380
199
return not (self == other)
382
201
def __hash__(self):
383
202
raise ValueError('not hashable')
384
203
385
def _unchanged(self, previous_ie):
386
"""Has this entry changed relative to previous_ie.
387
388
This method should be overriden in child classes.
389
"""
390
compatible = True
391
# different inv parent
392
if previous_ie.parent_id != self.parent_id:
393
compatible = False
394
# renamed
395
elif previous_ie.name != self.name:
396
compatible = False
397
return compatible
398
399
def _read_tree_state(self, path, work_tree):
400
"""Populate fields in the inventory entry from the given tree.
401
402
Note that this should be modified to be a noop on virtual trees
403
as all entries created there are prepopulated.
404
"""
405
# TODO: Rather than running this manually, we should check the
406
# working sha1 and other expensive properties when they're
407
# first requested, or preload them if they're already known
408
pass # nothing to do by default
409
204
410
205
411
206
class RootEntry(InventoryEntry):
412
413
def _check(self, checker, rev_id, tree):
414
"""See InventoryEntry._check"""
415
416
207
def __init__(self, file_id):
417
208
self.file_id = file_id
418
209
self.children = {}
419
210
self.kind = 'root_directory'
420
211
self.parent_id = None
421
self.name = u''
212
self.name = ''
422
213
423
214
def __eq__(self, other):
424
215
if not isinstance(other, RootEntry):
428
219
and (self.children == other.children)
429
220
430
221
431
class InventoryDirectory(InventoryEntry):
432
"""A directory in an inventory."""
433
434
def _check(self, checker, rev_id, tree):
435
"""See InventoryEntry._check"""
436
if self.text_sha1 != None or self.text_size != None or self.text_id != None:
437
raise BzrCheckError('directory {%s} has text in revision {%s}'
438
% (self.file_id, rev_id))
439
440
def copy(self):
441
other = InventoryDirectory(self.file_id, self.name, self.parent_id)
442
other.revision = self.revision
443
# note that children are *not* copied; they're pulled across when
444
# others are added
445
return other
446
447
def __init__(self, file_id, name, parent_id):
448
super(InventoryDirectory, self).__init__(file_id, name, parent_id)
449
self.children = {}
450
self.kind = 'directory'
451
452
def kind_character(self):
453
"""See InventoryEntry.kind_character."""
454
return '/'
455
456
def _put_in_tar(self, item, tree):
457
"""See InventoryEntry._put_in_tar."""
458
item.type = tarfile.DIRTYPE
459
fileobj = None
460
item.name += '/'
461
item.size = 0
462
item.mode = 0755
463
return fileobj
464
465
def _put_on_disk(self, fullpath, tree):
466
"""See InventoryEntry._put_on_disk."""
467
os.mkdir(fullpath)
468
469
470
class InventoryFile(InventoryEntry):
471
"""A file in an inventory."""
472
473
def _check(self, checker, rev_id, tree):
474
"""See InventoryEntry._check"""
475
revision = self.revision
476
t = (self.file_id, revision)
477
if t in checker.checked_texts:
478
prev_sha = checker.checked_texts[t]
479
if prev_sha != self.text_sha1:
480
raise BzrCheckError('mismatched sha1 on {%s} in {%s}' %
481
(self.file_id, rev_id))
482
else:
483
checker.repeated_text_cnt += 1
484
return
485
486
if self.file_id not in checker.checked_weaves:
487
mutter('check weave {%s}', self.file_id)
488
w = tree.get_weave(self.file_id)
489
# Not passing a progress bar, because it creates a new
490
# progress, which overwrites the current progress,
491
# and doesn't look nice
492
w.check()
493
checker.checked_weaves[self.file_id] = True
494
else:
495
w = tree.get_weave_prelude(self.file_id)
496
497
mutter('check version {%s} of {%s}', rev_id, self.file_id)
498
checker.checked_text_cnt += 1
499
# We can't check the length, because Weave doesn't store that
500
# information, and the whole point of looking at the weave's
501
# sha1sum is that we don't have to extract the text.
502
if self.text_sha1 != w.get_sha1(self.revision):
503
raise BzrCheckError('text {%s} version {%s} wrong sha1'
504
% (self.file_id, self.revision))
505
checker.checked_texts[t] = self.text_sha1
506
507
def copy(self):
508
other = InventoryFile(self.file_id, self.name, self.parent_id)
509
other.executable = self.executable
510
other.text_id = self.text_id
511
other.text_sha1 = self.text_sha1
512
other.text_size = self.text_size
513
other.revision = self.revision
514
return other
515
516
def detect_changes(self, old_entry):
517
"""See InventoryEntry.detect_changes."""
518
assert self.text_sha1 != None
519
assert old_entry.text_sha1 != None
520
text_modified = (self.text_sha1 != old_entry.text_sha1)
521
meta_modified = (self.executable != old_entry.executable)
522
return text_modified, meta_modified
523
524
def _diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
525
output_to, reverse=False):
526
"""See InventoryEntry._diff."""
527
from_text = tree.get_file(self.file_id).readlines()
528
if to_entry:
529
to_text = to_tree.get_file(to_entry.file_id).readlines()
530
else:
531
to_text = []
532
if not reverse:
533
text_diff(from_label, from_text,
534
to_label, to_text, output_to)
535
else:
536
text_diff(to_label, to_text,
537
from_label, from_text, output_to)
538
539
def has_text(self):
540
"""See InventoryEntry.has_text."""
541
return True
542
543
def __init__(self, file_id, name, parent_id):
544
super(InventoryFile, self).__init__(file_id, name, parent_id)
545
self.kind = 'file'
546
547
def kind_character(self):
548
"""See InventoryEntry.kind_character."""
549
return ''
550
551
def _put_in_tar(self, item, tree):
552
"""See InventoryEntry._put_in_tar."""
553
item.type = tarfile.REGTYPE
554
fileobj = tree.get_file(self.file_id)
555
item.size = self.text_size
556
if tree.is_executable(self.file_id):
557
item.mode = 0755
558
else:
559
item.mode = 0644
560
return fileobj
561
562
def _put_on_disk(self, fullpath, tree):
563
"""See InventoryEntry._put_on_disk."""
564
pumpfile(tree.get_file(self.file_id), file(fullpath, 'wb'))
565
if tree.is_executable(self.file_id):
566
os.chmod(fullpath, 0755)
567
568
def _read_tree_state(self, path, work_tree):
569
"""See InventoryEntry._read_tree_state."""
570
self.text_sha1 = work_tree.get_file_sha1(self.file_id)
571
self.executable = work_tree.is_executable(self.file_id)
572
573
def _snapshot_text(self, file_parents, work_tree, weave_store, transaction):
574
"""See InventoryEntry._snapshot_text."""
575
mutter('storing file {%s} in revision {%s}',
576
self.file_id, self.revision)
577
# special case to avoid diffing on renames or
578
# reparenting
579
if (len(file_parents) == 1
580
and self.text_sha1 == file_parents.values()[0].text_sha1
581
and self.text_size == file_parents.values()[0].text_size):
582
previous_ie = file_parents.values()[0]
583
weave_store.add_identical_text(
584
self.file_id, previous_ie.revision,
585
self.revision, file_parents, transaction)
586
else:
587
new_lines = work_tree.get_file(self.file_id).readlines()
588
self._add_text_to_weave(new_lines, file_parents, weave_store,
589
transaction)
590
self.text_sha1 = sha_strings(new_lines)
591
self.text_size = sum(map(len, new_lines))
592
593
594
def _unchanged(self, previous_ie):
595
"""See InventoryEntry._unchanged."""
596
compatible = super(InventoryFile, self)._unchanged(previous_ie)
597
if self.text_sha1 != previous_ie.text_sha1:
598
compatible = False
599
else:
600
# FIXME: 20050930 probe for the text size when getting sha1
601
# in _read_tree_state
602
self.text_size = previous_ie.text_size
603
if self.executable != previous_ie.executable:
604
compatible = False
605
return compatible
606
607
608
class InventoryLink(InventoryEntry):
609
"""A file in an inventory."""
610
611
__slots__ = ['symlink_target']
612
613
def _check(self, checker, rev_id, tree):
614
"""See InventoryEntry._check"""
615
if self.text_sha1 != None or self.text_size != None or self.text_id != None:
616
raise BzrCheckError('symlink {%s} has text in revision {%s}'
617
% (self.file_id, rev_id))
618
if self.symlink_target == None:
619
raise BzrCheckError('symlink {%s} has no target in revision {%s}'
620
% (self.file_id, rev_id))
621
622
def copy(self):
623
other = InventoryLink(self.file_id, self.name, self.parent_id)
624
other.symlink_target = self.symlink_target
625
other.revision = self.revision
626
return other
627
628
def detect_changes(self, old_entry):
629
"""See InventoryEntry.detect_changes."""
630
# FIXME: which _modified field should we use ? RBC 20051003
631
text_modified = (self.symlink_target != old_entry.symlink_target)
632
if text_modified:
633
mutter(" symlink target changed")
634
meta_modified = False
635
return text_modified, meta_modified
636
637
def _diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
638
output_to, reverse=False):
639
"""See InventoryEntry._diff."""
640
from_text = self.symlink_target
641
if to_entry is not None:
642
to_text = to_entry.symlink_target
643
if reverse:
644
temp = from_text
645
from_text = to_text
646
to_text = temp
647
print >>output_to, '=== target changed %r => %r' % (from_text, to_text)
648
else:
649
if not reverse:
650
print >>output_to, '=== target was %r' % self.symlink_target
651
else:
652
print >>output_to, '=== target is %r' % self.symlink_target
653
654
def __init__(self, file_id, name, parent_id):
655
super(InventoryLink, self).__init__(file_id, name, parent_id)
656
self.kind = 'symlink'
657
658
def kind_character(self):
659
"""See InventoryEntry.kind_character."""
660
return ''
661
662
def _put_in_tar(self, item, tree):
663
"""See InventoryEntry._put_in_tar."""
664
item.type = tarfile.SYMTYPE
665
fileobj = None
666
item.size = 0
667
item.mode = 0755
668
item.linkname = self.symlink_target
669
return fileobj
670
671
def _put_on_disk(self, fullpath, tree):
672
"""See InventoryEntry._put_on_disk."""
673
try:
674
os.symlink(self.symlink_target, fullpath)
675
except OSError,e:
676
raise BzrError("Failed to create symlink %r -> %r, error: %s" % (fullpath, self.symlink_target, e))
677
678
def _read_tree_state(self, path, work_tree):
679
"""See InventoryEntry._read_tree_state."""
680
self.symlink_target = work_tree.get_symlink_target(self.file_id)
681
682
def _unchanged(self, previous_ie):
683
"""See InventoryEntry._unchanged."""
684
compatible = super(InventoryLink, self)._unchanged(previous_ie)
685
if self.symlink_target != previous_ie.symlink_target:
686
compatible = False
687
return compatible
688
689
222
690
223
class Inventory(object):
691
224
"""Inventory of versioned files in a tree.
705
238
inserted, other than through the Inventory API.
706
239
707
240
>>> inv = Inventory()
708
>>> inv.add(InventoryFile('123-123', 'hello.c', ROOT_ID))
709
InventoryFile('123-123', 'hello.c', parent_id='TREE_ROOT')
241
>>> inv.add(InventoryEntry('123-123', 'hello.c', 'file', ROOT_ID))
242
InventoryEntry('123-123', 'hello.c', kind='file', parent_id='TREE_ROOT')
710
243
>>> inv['123-123'].name
711
244
'hello.c'
712
245
722
255
>>> [x[0] for x in inv.iter_entries()]
723
256
['hello.c']
724
257
>>> inv = Inventory('TREE_ROOT-12345678-12345678')
725
>>> inv.add(InventoryFile('123-123', 'hello.c', ROOT_ID))
726
InventoryFile('123-123', 'hello.c', parent_id='TREE_ROOT-12345678-12345678')
258
>>> inv.add(InventoryEntry('123-123', 'hello.c', 'file', ROOT_ID))
259
InventoryEntry('123-123', 'hello.c', kind='file', parent_id='TREE_ROOT-12345678-12345678')
727
260
"""
728
261
def __init__(self, root_id=ROOT_ID):
729
262
"""Create or read an inventory.
735
268
The inventory is created with a default root directory, with
736
269
an id of None.
737
270
"""
738
# We are letting Branch.initialize() create a unique inventory
271
# We are letting Branch(init=True) create a unique inventory
739
272
# root id. Rather than generating a random one here.
740
273
#if root_id is None:
741
274
# root_id = bzrlib.branch.gen_file_id('TREE_ROOT')
777
310
yield name, ie
778
311
if ie.kind == 'directory':
779
312
for cn, cie in self.iter_entries(from_dir=ie.file_id):
780
yield pathjoin(name, cn), cie
313
yield os.path.join(name, cn), cie
781
314
782
315
783
316
def entries(self):
790
323
kids = dir_ie.children.items()
791
324
kids.sort()
792
325
for name, ie in kids:
793
child_path = pathjoin(dir_path, name)
326
child_path = os.path.join(dir_path, name)
794
327
accum.append((child_path, ie))
795
328
if ie.kind == 'directory':
796
329
descend(ie, child_path)
797
330
798
descend(self.root, u'')
331
descend(self.root, '')
799
332
return accum
800
333
801
334
810
343
kids.sort()
811
344
812
345
for name, child_ie in kids:
813
child_path = pathjoin(parent_path, name)
346
child_path = os.path.join(parent_path, name)
814
347
descend(child_ie, child_path)
815
descend(self.root, u'')
348
descend(self.root, '')
816
349
return accum
817
350
818
351
821
354
"""True if this entry contains a file with given id.
822
355
823
356
>>> inv = Inventory()
824
>>> inv.add(InventoryFile('123', 'foo.c', ROOT_ID))
825
InventoryFile('123', 'foo.c', parent_id='TREE_ROOT')
357
>>> inv.add(InventoryEntry('123', 'foo.c', 'file', ROOT_ID))
358
InventoryEntry('123', 'foo.c', kind='file', parent_id='TREE_ROOT')
826
359
>>> '123' in inv
827
360
True
828
361
>>> '456' in inv
835
368
"""Return the entry for given file_id.
836
369
837
370
>>> inv = Inventory()
838
>>> inv.add(InventoryFile('123123', 'hello.c', ROOT_ID))
839
InventoryFile('123123', 'hello.c', parent_id='TREE_ROOT')
371
>>> inv.add(InventoryEntry('123123', 'hello.c', 'file', ROOT_ID))
372
InventoryEntry('123123', 'hello.c', kind='file', parent_id='TREE_ROOT')
840
373
>>> inv['123123'].name
841
374
'hello.c'
842
375
"""
877
410
878
411
if parent.children.has_key(entry.name):
879
412
raise BzrError("%s is already versioned" %
880
pathjoin(self.id2path(parent.file_id), entry.name))
413
appendpath(self.id2path(parent.file_id), entry.name))
881
414
882
415
self._byid[entry.file_id] = entry
883
416
parent.children[entry.name] = entry
890
423
The immediate parent must already be versioned.
891
424
892
425
Returns the new entry object."""
893
from bzrlib.workingtree import gen_file_id
426
from bzrlib.branch import gen_file_id
894
427
895
428
parts = bzrlib.osutils.splitpath(relpath)
896
429
if len(parts) == 0:
902
435
parent_path = parts[:-1]
903
436
parent_id = self.path2id(parent_path)
904
437
if parent_id == None:
905
raise NotVersionedError(path=parent_path)
906
if kind == 'directory':
907
ie = InventoryDirectory(file_id, parts[-1], parent_id)
908
elif kind == 'file':
909
ie = InventoryFile(file_id, parts[-1], parent_id)
910
elif kind == 'symlink':
911
ie = InventoryLink(file_id, parts[-1], parent_id)
912
else:
913
raise BzrError("unknown kind %r" % kind)
438
raise NotVersionedError(parent_path)
439
440
ie = InventoryEntry(file_id, parts[-1],
441
kind=kind, parent_id=parent_id)
914
442
return self.add(ie)
915
443
916
444
918
446
"""Remove entry by id.
919
447
920
448
>>> inv = Inventory()
921
>>> inv.add(InventoryFile('123', 'foo.c', ROOT_ID))
922
InventoryFile('123', 'foo.c', parent_id='TREE_ROOT')
449
>>> inv.add(InventoryEntry('123', 'foo.c', 'file', ROOT_ID))
450
InventoryEntry('123', 'foo.c', kind='file', parent_id='TREE_ROOT')
923
451
>>> '123' in inv
924
452
True
925
453
>>> del inv['123']
948
476
>>> i2 = Inventory()
949
477
>>> i1 == i2
950
478
True
951
>>> i1.add(InventoryFile('123', 'foo', ROOT_ID))
952
InventoryFile('123', 'foo', parent_id='TREE_ROOT')
479
>>> i1.add(InventoryEntry('123', 'foo', 'file', ROOT_ID))
480
InventoryEntry('123', 'foo', kind='file', parent_id='TREE_ROOT')
953
481
>>> i1 == i2
954
482
False
955
>>> i2.add(InventoryFile('123', 'foo', ROOT_ID))
956
InventoryFile('123', 'foo', parent_id='TREE_ROOT')
483
>>> i2.add(InventoryEntry('123', 'foo', 'file', ROOT_ID))
484
InventoryEntry('123', 'foo', kind='file', parent_id='TREE_ROOT')
957
485
>>> i1 == i2
958
486
True
959
487
"""
968
496
969
497
970
498
def __ne__(self, other):
971
return not self.__eq__(other)
499
return not (self == other)
972
500
973
501
974
502
def __hash__(self):
995
523
996
524
997
525
def id2path(self, file_id):
998
"""Return as a list the path to file_id.
999
1000
>>> i = Inventory()
1001
>>> e = i.add(InventoryDirectory('src-id', 'src', ROOT_ID))
1002
>>> e = i.add(InventoryFile('foo-id', 'foo.c', parent_id='src-id'))
1003
>>> print i.id2path('foo-id')
1004
src/foo.c
1005
"""
526
"""Return as a list the path to file_id."""
527
1006
528
# get all names, skipping root
1007
529
p = [self._byid[fid].name for fid in self.get_idpath(file_id)[1:]]
1008
if p:
1009
return pathjoin(*p)
1010
else:
1011
return ''
530
return os.sep.join(p)
1012
531
1013
532
1014
533
Loggerhead is a web-based interface for Breezy
Version: 2.0.1