28
27
from cStringIO import StringIO
31
from bzrlib.errors import TransportError, NoSuchFile, FileExists, LockError
30
from bzrlib.errors import (
32
37
from bzrlib.trace import mutter
33
from bzrlib.transport import (Transport, register_transport, Server)
38
from bzrlib.transport import (
39
AppendBasedFileStream,
34
46
import bzrlib.urlutils as urlutils
61
73
super(MemoryTransport, self).__init__(url)
62
self._cwd = url[url.find(':') + 3:]
74
split = url.find(':') + 3
75
self._scheme = url[:split]
76
self._cwd = url[split:]
63
77
# dictionaries from absolute path to file mode
64
78
self._dirs = {'/':None}
68
82
def clone(self, offset=None):
69
83
"""See Transport.clone()."""
70
if offset is None or offset == '':
72
segments = offset.split('/')
73
cwdsegments = self._cwd.split('/')[:-1]
75
segment = segments.pop(0)
79
if len(cwdsegments) > 1:
82
cwdsegments.append(segment)
83
url = self.base[:self.base.find(':') + 3] + '/'.join(cwdsegments) + '/'
84
path = self._combine_paths(self._cwd, offset)
85
if len(path) == 0 or path[-1] != '/':
87
url = self._scheme + path
84
88
result = MemoryTransport(url)
85
89
result._dirs = self._dirs
86
90
result._files = self._files
99
103
return temp_t.base[:-1]
101
def append(self, relpath, f, mode=None):
102
"""See Transport.append()."""
105
def append_file(self, relpath, f, mode=None):
106
"""See Transport.append_file()."""
103
107
_abspath = self._abspath(relpath)
104
108
self._check_parent(_abspath)
105
109
orig_content, orig_mode = self._files.get(_abspath, ("", None))
117
121
def has(self, relpath):
118
122
"""See Transport.has()."""
119
123
_abspath = self._abspath(relpath)
120
return _abspath in self._files or _abspath in self._dirs
124
return (_abspath in self._files) or (_abspath in self._dirs)
122
126
def delete(self, relpath):
123
127
"""See Transport.delete()."""
126
130
raise NoSuchFile(relpath)
127
131
del self._files[_abspath]
133
def external_url(self):
134
"""See bzrlib.transport.Transport.external_url."""
135
# MemoryTransport's are only accessible in-process
137
raise InProcessTransport(self)
129
139
def get(self, relpath):
130
140
"""See Transport.get()."""
131
141
_abspath = self._abspath(relpath)
132
142
if not _abspath in self._files:
133
raise NoSuchFile(relpath)
143
if _abspath in self._dirs:
144
return LateReadError(relpath)
146
raise NoSuchFile(relpath)
134
147
return StringIO(self._files[_abspath][0])
136
def put(self, relpath, f, mode=None):
137
"""See Transport.put()."""
149
def put_file(self, relpath, f, mode=None):
150
"""See Transport.put_file()."""
138
151
_abspath = self._abspath(relpath)
139
152
self._check_parent(_abspath)
140
self._files[_abspath] = (f.read(), mode)
154
if type(bytes) is not str:
155
# Although not strictly correct, we raise UnicodeEncodeError to be
156
# compatible with other transports.
157
raise UnicodeEncodeError(
158
'undefined', bytes, 0, 1,
159
'put_file must be given a file of bytes, not unicode.')
160
self._files[_abspath] = (bytes, mode)
142
163
def mkdir(self, relpath, mode=None):
143
164
"""See Transport.mkdir()."""
147
168
raise FileExists(relpath)
148
169
self._dirs[_abspath]=mode
171
def open_write_stream(self, relpath, mode=None):
172
"""See Transport.open_write_stream."""
173
self.put_bytes(relpath, "", mode)
174
result = AppendBasedFileStream(self, relpath)
175
_file_streams[self.abspath(relpath)] = result
150
178
def listable(self):
151
179
"""See Transport.listable."""
154
182
def iter_files_recursive(self):
155
183
for file in self._files:
156
184
if file.startswith(self._cwd):
157
yield file[len(self._cwd):]
185
yield urlutils.escape(file[len(self._cwd):])
159
187
def list_dir(self, relpath):
160
188
"""See Transport.list_dir()."""
162
190
if _abspath != '/' and _abspath not in self._dirs:
163
191
raise NoSuchFile(relpath)
165
for path in self._files:
166
if (path.startswith(_abspath) and
167
path[len(_abspath) + 1:].find('/') == -1 and
168
len(path) > len(_abspath)):
169
result.append(path[len(_abspath) + 1:])
170
for path in self._dirs:
171
if (path.startswith(_abspath) and
172
path[len(_abspath) + 1:].find('/') == -1 and
173
len(path) > len(_abspath) and
174
path[len(_abspath)] == '/'):
175
result.append(path[len(_abspath) + 1:])
194
if not _abspath.endswith('/'):
197
for path_group in self._files, self._dirs:
198
for path in path_group:
199
if path.startswith(_abspath):
200
trailing = path[len(_abspath):]
201
if trailing and '/' not in trailing:
202
result.append(trailing)
203
return map(urlutils.escape, result)
178
205
def rename(self, rel_from, rel_to):
179
206
"""Rename a file or directory; fail if the destination exists"""
202
229
if _abspath in self._files:
203
230
self._translate_error(IOError(errno.ENOTDIR, relpath), relpath)
204
231
for path in self._files:
205
if path.startswith(_abspath):
232
if path.startswith(_abspath + '/'):
206
233
self._translate_error(IOError(errno.ENOTEMPTY, relpath),
208
235
for path in self._dirs:
209
if path.startswith(_abspath) and path != _abspath:
236
if path.startswith(_abspath + '/') and path != _abspath:
210
237
self._translate_error(IOError(errno.ENOTEMPTY, relpath), relpath)
211
238
if not _abspath in self._dirs:
212
239
raise NoSuchFile(relpath)