1
# Copyright (C) 2005 by Canonical Development Ltd
1
# Copyright (C) 2005 Canonical Ltd
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.
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.
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
18
A store that keeps the full text of every version.
17
"""A store that keeps the full text of every version.
20
19
This store keeps uncompressed versions of the full text. It does not
21
20
do any sort of delta compression.
25
from cStringIO import StringIO
27
from bzrlib import osutils
28
from bzrlib.errors import BzrError, NoSuchFile, FileExists
25
29
import bzrlib.store
26
from bzrlib.store import hash_prefix
27
30
from bzrlib.trace import mutter
28
from bzrlib.errors import BzrError, NoSuchFile, FileExists
31
from cStringIO import StringIO
34
34
class TextStore(bzrlib.store.TransportStore):
66
66
def _try_put(self, fn, f):
68
self._transport.put(fn, f, mode=self._file_mode)
68
self._transport.put_file(fn, f, mode=self._file_mode)
70
70
if not self._prefixed:
73
73
self._transport.mkdir(os.path.dirname(fn), mode=self._dir_mode)
76
self._transport.put(fn, f, mode=self._file_mode)
76
self._transport.put_file(fn, f, mode=self._file_mode)
78
78
def _get(self, fn):
79
79
if fn.endswith('.gz'):
95
95
raise KeyError(fileid + '-' + str(suffix))
98
result = other._transport.copy_to([path], self._transport, pb=pb,
98
result = other._transport.copy_to([path], self._transport,
99
99
mode=self._file_mode)
100
100
except NoSuchFile:
101
101
if not self._prefixed:
104
self._transport.mkdir(hash_prefix(fileid)[:-1], mode=self._dir_mode)
104
self._transport.mkdir(osutils.dirname(path), mode=self._dir_mode)
105
105
except FileExists:
107
result = other._transport.copy_to([path], self._transport, pb=pb,
107
result = other._transport.copy_to([path], self._transport,
108
108
mode=self._file_mode)
116
116
# gzip.GzipFile.read() requires a tell() function
117
117
# but some transports return objects that cannot seek
118
118
# so buffer them in a StringIO instead
119
if hasattr(f, 'tell'):
119
if getattr(f, 'tell', None) is not None:
120
120
return gzip.GzipFile(mode='rb', fileobj=f)
122
122
from cStringIO import StringIO
123
123
sio = StringIO(f.read())
124
124
return gzip.GzipFile(mode='rb', fileobj=sio)
127
def ScratchTextStore():
128
return TextStore(ScratchTransport())