100
92
"store is probably damaged/corrupt"])
103
def print_file(self, file_id):
104
"""Print file with id `file_id` to stdout."""
95
def print_file(self, fileid):
96
"""Print file with id `fileid` to stdout."""
106
sys.stdout.write(self.get_file_text(file_id))
98
pumpfile(self.get_file(fileid), sys.stdout)
101
def export(self, dest, format='dir', root=None):
102
"""Export this tree."""
104
exporter = exporters[format]
106
from bzrlib.errors import BzrCommandError
107
raise BzrCommandError("export format %r not supported" % format)
108
exporter(self, dest, root)
115
112
class RevisionTree(Tree):
116
113
"""Tree viewing a previous revision.
122
119
or at least passing a description to the constructor.
125
def __init__(self, branch, inv, revision_id):
126
self._branch = branch
127
self._weave_store = branch.weave_store
122
def __init__(self, store, inv):
128
124
self._inventory = inv
129
self._revision_id = revision_id
131
def get_weave(self, file_id):
132
return self._weave_store.get_weave(file_id,
133
self._branch.get_transaction())
135
def get_file_lines(self, file_id):
136
ie = self._inventory[file_id]
137
weave = self.get_weave(file_id)
138
return weave.get_lines(ie.revision)
140
def get_file_text(self, file_id):
141
return ''.join(self.get_file_lines(file_id))
143
126
def get_file(self, file_id):
144
return StringIO(self.get_file_text(file_id))
127
ie = self._inventory[file_id]
128
f = self._store[ie.text_id]
129
mutter(" get fileid{%s} from %r" % (file_id, self))
130
self._check_retrieved(ie, f)
146
133
def get_file_size(self, file_id):
147
134
return self._inventory[file_id].text_size
151
138
if ie.kind == "file":
152
139
return ie.text_sha1
154
def is_executable(self, file_id):
155
ie = self._inventory[file_id]
156
if ie.kind != "file":
158
return self._inventory[file_id].executable
160
141
def has_filename(self, filename):
161
142
return bool(self.inventory.path2id(filename))
163
144
def list_files(self):
164
145
# The only files returned by this are those from the version
165
146
for path, entry in self.inventory.iter_entries():
166
yield path, 'V', entry.kind, entry.file_id, entry
168
def get_symlink_target(self, file_id):
169
ie = self._inventory[file_id]
170
return ie.symlink_target;
172
def kind(self, file_id):
173
return self._inventory[file_id].kind
176
self._branch.lock_read()
179
self._branch.unlock()
147
yield path, 'V', entry.kind, entry.file_id
182
150
class EmptyTree(Tree):
183
151
def __init__(self):
184
152
self._inventory = Inventory()
186
def get_symlink_target(self, file_id):
189
154
def has_filename(self, filename):
192
def kind(self, file_id):
193
assert self._inventory[file_id].kind == "root_directory"
194
return "root_directory"
196
157
def list_files(self):
158
if False: # just to make it a generator
199
161
def __contains__(self, file_id):
200
162
return file_id in self._inventory
202
def get_file_sha1(self, file_id):
203
assert self._inventory[file_id].kind == "root_directory"
207
166
######################################################################
232
######################################################################
235
def dir_exporter(tree, dest, root):
236
"""Export this tree to a new directory.
238
`dest` should not exist, and will be created holding the
239
contents of this tree.
241
TODO: To handle subdirectories we need to create the
244
:note: If the export fails, the destination directory will be
245
left in a half-assed state.
249
mutter('export version %r' % tree)
251
for dp, ie in inv.iter_entries():
253
fullpath = appendpath(dest, dp)
254
if kind == 'directory':
257
pumpfile(tree.get_file(ie.file_id), file(fullpath, 'wb'))
259
raise BzrError("don't know how to export {%s} of kind %r" % (ie.file_id, kind))
260
mutter(" export {%s} kind %s to %s" % (ie.file_id, kind, fullpath))
261
exporters['dir'] = dir_exporter
268
def get_root_name(dest):
269
"""Get just the root name for a tarball.
271
>>> get_root_name('mytar.tar')
273
>>> get_root_name('mytar.tar.bz2')
275
>>> get_root_name('tar.tar.tar.tgz')
277
>>> get_root_name('bzr-0.0.5.tar.gz')
279
>>> get_root_name('a/long/path/mytar.tgz')
281
>>> get_root_name('../parent/../dir/other.tbz2')
284
endings = ['.tar', '.tar.gz', '.tgz', '.tar.bz2', '.tbz2']
285
dest = os.path.basename(dest)
287
if dest.endswith(end):
288
return dest[:-len(end)]
290
def tar_exporter(tree, dest, root, compression=None):
291
"""Export this tree to a new tar file.
293
`dest` will be created holding the contents of this tree; if it
294
already exists, it will be clobbered, like with "tar -c".
296
from time import time
298
compression = str(compression or '')
300
root = get_root_name(dest)
302
ball = tarfile.open(dest, 'w:' + compression)
303
except tarfile.CompressionError, e:
304
raise BzrError(str(e))
305
mutter('export version %r' % tree)
307
for dp, ie in inv.iter_entries():
308
mutter(" export {%s} kind %s to %s" % (ie.file_id, ie.kind, dest))
309
item = tarfile.TarInfo(os.path.join(root, dp))
310
# TODO: would be cool to actually set it to the timestamp of the
311
# revision it was last changed
313
if ie.kind == 'directory':
314
item.type = tarfile.DIRTYPE
319
elif ie.kind == 'file':
320
item.type = tarfile.REGTYPE
321
fileobj = tree.get_file(ie.file_id)
322
item.size = _find_file_size(fileobj)
325
raise BzrError("don't know how to export {%s} of kind %r" %
326
(ie.file_id, ie.kind))
328
ball.addfile(item, fileobj)
330
exporters['tar'] = tar_exporter
332
def tgz_exporter(tree, dest, root):
333
tar_exporter(tree, dest, root, compression='gz')
334
exporters['tgz'] = tgz_exporter
336
def tbz_exporter(tree, dest, root):
337
tar_exporter(tree, dest, root, compression='bz2')
338
exporters['tbz2'] = tbz_exporter
341
def _find_file_size(fileobj):
342
offset = fileobj.tell()
345
size = fileobj.tell()
347
# gzip doesn't accept second argument to seek()
351
nread = len(fileobj.read())
added
removed
bzrlib/tree.py
