96
return read_weave_v5(f)
100
from weave import Weave, WeaveFormatError
96
# FIXME: detect the weave type and dispatch
97
from bzrlib.trace import mutter
98
from weave import Weave
101
99
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>
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# +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)
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# +59982 0 329.9100 329.9100 +<method 'startswith' of 'str' objects>
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# +59363 0 320.2980 320.2980 +<method 'append' of 'list' objects>
118
# replaced startswith with slice lookups:
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# 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())
104
128
if l != FORMAT_1:
105
129
raise WeaveFormatError('invalid weave file header: %r' % l)
112
137
w._parents.append(map(int, l[2:].split(' ')))
114
139
w._parents.append([])
116
l = f.readline()[:-1]
117
assert l.startswith('1 ')
141
l = lines.next()[:-1]
142
assert '1 ' == l[0:2]
118
143
w._sha1s.append(l[2:])
121
assert l.startswith('n ')
146
assert 'n ' == l[0:2]
123
148
assert name not in w._name_map
124
149
w._names.append(name)
125
150
w._name_map[name] = ver
134
159
raise WeaveFormatError('unexpected line %r' % l)
140
elif l.startswith('. '):
141
167
w._weave.append(l[2:]) # include newline
142
elif l.startswith(', '):
143
169
w._weave.append(l[2:-1]) # exclude newline
145
171
w._weave.append(('}', None))