17
17
"""Tree classes, representing directory at point in time.
21
import os.path, os, fnmatch
23
from osutils import pumpfile, filesize, quotefn, sha_file, \
24
joinpath, splitpath, appendpath, isdir, isfile, file_kind, fingerprint_file
26
from stat import S_ISREG, S_ISDIR, ST_MODE, ST_SIZE
28
from inventory import Inventory
29
from trace import mutter, note
30
from errors import bailout
23
from bzrlib.trace import mutter, note
24
from bzrlib.errors import BzrError
25
from bzrlib.inventory import Inventory
26
from bzrlib.osutils import pumpfile, appendpath, fingerprint_file
32
36
"""Abstract file tree.
34
38
There are several subclasses:
81
86
if ie.text_size != None:
82
87
if ie.text_size != fp['size']:
83
raise BzrError("mismatched size for file %r in %r" % (ie.file_id, self._store),
88
bailout("mismatched size for file %r in %r" % (ie.file_id, self._store),
84
89
["inventory expects %d bytes" % ie.text_size,
85
90
"file is actually %d bytes" % fp['size'],
86
91
"store is probably damaged/corrupt"])
88
93
if ie.text_sha1 != fp['sha1']:
89
raise BzrError("wrong SHA-1 for file %r in %r" % (ie.file_id, self._store),
94
bailout("wrong SHA-1 for file %r in %r" % (ie.file_id, self._store),
90
95
["inventory expects %s" % ie.text_sha1,
91
96
"file is actually %s" % fp['sha1'],
92
97
"store is probably damaged/corrupt"])
98
103
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)
106
def export(self, dest):
107
"""Export this tree to a new directory.
109
`dest` should not exist, and will be created holding the
110
contents of this tree.
112
TODO: To handle subdirectories we need to create the
115
:note: If the export fails, the destination directory will be
116
left in a half-assed state.
119
mutter('export version %r' % self)
121
for dp, ie in inv.iter_entries():
123
fullpath = appendpath(dest, dp)
124
if kind == 'directory':
127
pumpfile(self.get_file(ie.file_id), file(fullpath, 'wb'))
129
bailout("don't know how to export {%s} of kind %r" % (ie.file_id, kind))
130
mutter(" export {%s} kind %s to %s" % (ie.file_id, kind, fullpath))
232
245
if old_name != new_name:
233
246
yield (old_name, new_name)
237
######################################################################
240
def dir_exporter(tree, dest, root):
241
"""Export this tree to a new directory.
243
`dest` should not exist, and will be created holding the
244
contents of this tree.
246
TODO: To handle subdirectories we need to create the
249
:note: If the export fails, the destination directory will be
250
left in a half-assed state.
254
mutter('export version %r' % tree)
256
for dp, ie in inv.iter_entries():
258
fullpath = appendpath(dest, dp)
259
if kind == 'directory':
262
pumpfile(tree.get_file(ie.file_id), file(fullpath, 'wb'))
264
raise BzrError("don't know how to export {%s} of kind %r" % (ie.file_id, kind))
265
mutter(" export {%s} kind %s to %s" % (ie.file_id, kind, fullpath))
266
exporters['dir'] = dir_exporter
273
def get_root_name(dest):
274
"""Get just the root name for a tarball.
276
>>> get_root_name('mytar.tar')
278
>>> get_root_name('mytar.tar.bz2')
280
>>> get_root_name('tar.tar.tar.tgz')
282
>>> get_root_name('bzr-0.0.5.tar.gz')
284
>>> get_root_name('a/long/path/mytar.tgz')
286
>>> get_root_name('../parent/../dir/other.tbz2')
289
endings = ['.tar', '.tar.gz', '.tgz', '.tar.bz2', '.tbz2']
290
dest = os.path.basename(dest)
292
if dest.endswith(end):
293
return dest[:-len(end)]
295
def tar_exporter(tree, dest, root, compression=None):
296
"""Export this tree to a new tar file.
298
`dest` will be created holding the contents of this tree; if it
299
already exists, it will be clobbered, like with "tar -c".
301
from time import time
303
compression = str(compression or '')
305
root = get_root_name(dest)
307
ball = tarfile.open(dest, 'w:' + compression)
308
except tarfile.CompressionError, e:
309
raise BzrError(str(e))
310
mutter('export version %r' % tree)
312
for dp, ie in inv.iter_entries():
313
mutter(" export {%s} kind %s to %s" % (ie.file_id, ie.kind, dest))
314
item = tarfile.TarInfo(os.path.join(root, dp))
315
# TODO: would be cool to actually set it to the timestamp of the
316
# revision it was last changed
318
if ie.kind == 'directory':
319
item.type = tarfile.DIRTYPE
324
elif ie.kind == 'file':
325
item.type = tarfile.REGTYPE
326
fileobj = tree.get_file(ie.file_id)
327
item.size = _find_file_size(fileobj)
330
raise BzrError("don't know how to export {%s} of kind %r" %
331
(ie.file_id, ie.kind))
333
ball.addfile(item, fileobj)
335
exporters['tar'] = tar_exporter
337
def tgz_exporter(tree, dest, root):
338
tar_exporter(tree, dest, root, compression='gz')
339
exporters['tgz'] = tgz_exporter
341
def tbz_exporter(tree, dest, root):
342
tar_exporter(tree, dest, root, compression='bz2')
343
exporters['tbz2'] = tbz_exporter
346
def _find_file_size(fileobj):
347
offset = fileobj.tell()
350
size = fileobj.tell()
352
# gzip doesn't accept second argument to seek()
356
nread = len(fileobj.read())