|
1 #!/usr/bin/env python |
|
2 # |
|
3 # Copyright 2007 Google Inc. |
|
4 # |
|
5 # Licensed under the Apache License, Version 2.0 (the "License"); |
|
6 # you may not use this file except in compliance with the License. |
|
7 # You may obtain a copy of the License at |
|
8 # |
|
9 # http://www.apache.org/licenses/LICENSE-2.0 |
|
10 # |
|
11 # Unless required by applicable law or agreed to in writing, software |
|
12 # distributed under the License is distributed on an "AS IS" BASIS, |
|
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
14 # See the License for the specific language governing permissions and |
|
15 # limitations under the License. |
|
16 # |
|
17 |
|
18 """Temporary files. |
|
19 |
|
20 This module is a replacement for the stock tempfile module in Python, |
|
21 and provides only in-memory temporary files as implemented by |
|
22 cStringIO. The only functionality provided is the TemporaryFile |
|
23 function. |
|
24 """ |
|
25 |
|
26 try: |
|
27 from cStringIO import StringIO |
|
28 except ImportError: |
|
29 from StringIO import StringIO |
|
30 |
|
31 __all__ = [ |
|
32 "TemporaryFile", |
|
33 |
|
34 "NamedTemporaryFile", "mkstemp", "mkdtemp", "mktemp", |
|
35 "TMP_MAX", "gettempprefix", "tempdir", "gettempdir", |
|
36 ] |
|
37 |
|
38 TMP_MAX = 10000 |
|
39 |
|
40 template = "tmp" |
|
41 |
|
42 tempdir = None |
|
43 |
|
44 def TemporaryFile(mode='w+b', bufsize=-1, suffix="", |
|
45 prefix=template, dir=None): |
|
46 """Create and return a temporary file. |
|
47 Arguments: |
|
48 'prefix', 'suffix', 'dir', 'mode', 'bufsize' are all ignored. |
|
49 |
|
50 Returns an object with a file-like interface. The file is in memory |
|
51 only, and does not exist on disk. |
|
52 """ |
|
53 |
|
54 return StringIO() |
|
55 |
|
56 def PlaceHolder(*args, **kwargs): |
|
57 raise NotImplementedError("Only tempfile.TemporaryFile is available for use") |
|
58 |
|
59 NamedTemporaryFile = PlaceHolder |
|
60 mkstemp = PlaceHolder |
|
61 mkdtemp = PlaceHolder |
|
62 mktemp = PlaceHolder |
|
63 gettempprefix = PlaceHolder |
|
64 tempdir = PlaceHolder |
|
65 gettempdir = PlaceHolder |