1
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
17
17
# Author: Martin Pool <mbp@canonical.com>
47
47
def write_weave(weave, f, format=None):
48
if format is None or format == 1:
48
if format == None or format == 1:
49
49
return write_weave_v5(weave, f)
51
51
raise ValueError("unknown weave format %r" % format)
96
# FIXME: detect the weave type and dispatch
97
from bzrlib.trace import mutter
98
from weave import Weave
95
def read_weave(f,prelude=False):
96
return read_weave_v5(f,prelude=prelude)
99
def read_weave_v5(f,prelude=False):
100
from weave import Weave, WeaveFormatError
99
101
w = Weave(getattr(f, 'name', None))
104
def _read_weave_v5(f, w):
105
"""Private helper routine to read a weave format 5 file into memory.
107
This is only to be used by read_weave and WeaveFile.__init__.
109
# 200 0 2075.5080 1084.0360 bzrlib.weavefile:104(_read_weave_v5)
110
# +60412 0 366.5900 366.5900 +<method 'readline' of 'file' objects>
111
# +59982 0 320.5280 320.5280 +<method 'startswith' of 'str' objects>
112
# +59363 0 297.8080 297.8080 +<method 'append' of 'list' objects>
113
# replace readline call with iter over all lines ->
114
# safe because we already suck on memory.
115
# 200 0 1492.7170 802.6220 bzrlib.weavefile:104(_read_weave_v5)
116
# +59982 0 329.9100 329.9100 +<method 'startswith' of 'str' objects>
117
# +59363 0 320.2980 320.2980 +<method 'append' of 'list' objects>
118
# replaced startswith with slice lookups:
119
# 200 0 851.7250 501.1120 bzrlib.weavefile:104(_read_weave_v5)
120
# +59363 0 311.8780 311.8780 +<method 'append' of 'list' objects>
121
# +200 0 30.2500 30.2500 +<method 'readlines' of 'file' objects>
123
from weave import WeaveFormatError
125
lines = iter(f.readlines())
129
except StopIteration:
130
raise WeaveFormatError('invalid weave file: no header')
132
104
if l != FORMAT_1:
133
105
raise WeaveFormatError('invalid weave file header: %r' % l)
141
112
w._parents.append(map(int, l[2:].split(' ')))
143
114
w._parents.append([])
145
l = lines.next()[:-1]
146
assert '1 ' == l[0:2]
116
l = f.readline()[:-1]
117
assert l.startswith('1 ')
147
118
w._sha1s.append(l[2:])
150
assert 'n ' == l[0:2]
121
assert l.startswith('n ')
152
123
assert name not in w._name_map
153
124
w._names.append(name)
154
125
w._name_map[name] = ver
163
134
raise WeaveFormatError('unexpected line %r' % l)
143
elif l.startswith('. '):
171
144
w._weave.append(l[2:]) # include newline
145
elif l.startswith(', '):
173
146
w._weave.append(l[2:-1]) # exclude newline
175
148
w._weave.append(('}', None))