42
39
Files are stored uncompressed, with no delta compression.
45
def __init__(self, transport, prefixed=False):
46
super(TextStore, self).__init__(transport)
47
self._prefixed = prefixed
49
def _check_fileid(self, fileid):
50
if not isinstance(fileid, basestring):
51
raise TypeError('Fileids should be a string type: %s %r' % (type(fileid), fileid))
52
if '\\' in fileid or '/' in fileid:
53
raise ValueError("invalid store id %r" % fileid)
55
def _relpath(self, fileid):
56
self._check_fileid(fileid)
58
return hash_prefix(fileid) + fileid
62
def add(self, f, fileid):
63
"""Add contents of a file into the store.
65
f -- A file-like object, or string
67
mutter("add store entry %r" % (fileid))
69
fn = self._relpath(fileid)
70
if self._transport.has(fn):
71
raise BzrError("store %r already contains id %r" % (self._transport.base, fileid))
75
self._transport.mkdir(hash_prefix(fileid))
42
def _add(self, fn, f):
79
43
self._transport.put(fn, f)
81
def __contains__(self, fileid):
83
fn = self._relpath(fileid)
84
return self._transport.has(fn)
86
def has(self, fileids, pb=None):
87
"""Return True/False for each entry in fileids.
89
:param fileids: A List or generator yielding file ids.
90
:return: A generator or list returning True/False for each entry.
92
relpaths = (self._relpath(fid) for fid in fileids)
93
return self._transport.has_multi(relpaths, pb=pb)
95
def get(self, fileids, permit_failure=False, pb=None):
96
"""Return a set of files, one for each requested entry.
98
TODO: Write some tests to make sure that permit_failure is
101
TODO: What should the exception be for a missing file?
102
KeyError, or NoSuchFile?
105
# This next code gets a bit hairy because it can allow
106
# to not request a file which doesn't seem to exist.
107
# Also, the same fileid may be requested twice, so we
108
# can't just build up a map.
109
rel_paths = [self._relpath(fid) for fid in fileids]
114
for path, has in zip(rel_paths,
115
self._transport.has_multi(rel_paths)):
117
existing_paths.append(path)
118
is_requested.append(True)
120
is_requested.append(False)
121
#mutter('Retrieving %s out of %s' % (existing_paths, rel_paths))
123
#mutter('Retrieving all %s' % (rel_paths, ))
124
existing_paths = rel_paths
125
is_requested = [True for x in rel_paths]
128
for f in self._transport.get_multi(existing_paths, pb=pb):
129
assert count < len(is_requested)
130
while not is_requested[count]:
136
while count < len(is_requested):
141
for relpath, st in self._iter_relpaths():
142
yield os.path.basename(relpath)
145
return len(list(self._iter_relpath()))
147
def total_size(self):
148
"""Return (count, bytes)
150
This is the (compressed) size stored on disk, not the size of
154
for relpath, st in self._iter_relpaths():
161
class ScratchTextStore(TextStore):
162
"""Self-destructing test subclass of TextStore.
164
The Store only exists for the lifetime of the Python object.
165
Obviously you should not put anything precious in it.
168
from transport import transport
169
super(ScratchTextStore, self).__init__(transport(tempfile.mkdtemp()))
172
self._transport.delete_multi(self._transport.list_dir('.'))
173
os.rmdir(self._transport.base)
174
mutter("%r destroyed" % self)
46
return self._transport.get(fn)
49
def ScratchTextStore():
50
return TextStore(ScratchTransport())
added
removed
bzrlib/store/text.py
