Mercurial > repos > guerler > hhblits
annotate lib/python3.8/site-packages/pip/_internal/utils/filesystem.py @ 0:9e54283cc701 draft
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author | guerler |
---|---|
date | Mon, 27 Jul 2020 03:47:31 -0400 (2020-07-27) |
parents | |
children |
rev | line source |
---|---|
0
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
1 import errno |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
2 import os |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
3 import os.path |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
4 import random |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
5 import shutil |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
6 import stat |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
7 import sys |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
8 from contextlib import contextmanager |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
9 from tempfile import NamedTemporaryFile |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
10 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
11 # NOTE: retrying is not annotated in typeshed as on 2017-07-17, which is |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
12 # why we ignore the type on this import. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
13 from pip._vendor.retrying import retry # type: ignore |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
14 from pip._vendor.six import PY2 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
15 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
16 from pip._internal.utils.compat import get_path_uid |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
17 from pip._internal.utils.typing import MYPY_CHECK_RUNNING, cast |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
18 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
19 if MYPY_CHECK_RUNNING: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
20 from typing import BinaryIO, Iterator |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
21 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
22 class NamedTemporaryFileResult(BinaryIO): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
23 @property |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
24 def file(self): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
25 # type: () -> BinaryIO |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
26 pass |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
27 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
28 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
29 def check_path_owner(path): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
30 # type: (str) -> bool |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
31 # If we don't have a way to check the effective uid of this process, then |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
32 # we'll just assume that we own the directory. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
33 if sys.platform == "win32" or not hasattr(os, "geteuid"): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
34 return True |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
35 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
36 assert os.path.isabs(path) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
37 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
38 previous = None |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
39 while path != previous: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
40 if os.path.lexists(path): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
41 # Check if path is writable by current user. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
42 if os.geteuid() == 0: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
43 # Special handling for root user in order to handle properly |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
44 # cases where users use sudo without -H flag. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
45 try: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
46 path_uid = get_path_uid(path) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
47 except OSError: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
48 return False |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
49 return path_uid == 0 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
50 else: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
51 return os.access(path, os.W_OK) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
52 else: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
53 previous, path = path, os.path.dirname(path) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
54 return False # assume we don't own the path |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
55 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
56 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
57 def copy2_fixed(src, dest): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
58 # type: (str, str) -> None |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
59 """Wrap shutil.copy2() but map errors copying socket files to |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
60 SpecialFileError as expected. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
61 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
62 See also https://bugs.python.org/issue37700. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
63 """ |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
64 try: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
65 shutil.copy2(src, dest) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
66 except (OSError, IOError): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
67 for f in [src, dest]: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
68 try: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
69 is_socket_file = is_socket(f) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
70 except OSError: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
71 # An error has already occurred. Another error here is not |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
72 # a problem and we can ignore it. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
73 pass |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
74 else: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
75 if is_socket_file: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
76 raise shutil.SpecialFileError("`%s` is a socket" % f) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
77 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
78 raise |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
79 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
80 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
81 def is_socket(path): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
82 # type: (str) -> bool |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
83 return stat.S_ISSOCK(os.lstat(path).st_mode) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
84 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
85 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
86 @contextmanager |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
87 def adjacent_tmp_file(path): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
88 # type: (str) -> Iterator[NamedTemporaryFileResult] |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
89 """Given a path to a file, open a temp file next to it securely and ensure |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
90 it is written to disk after the context reaches its end. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
91 """ |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
92 with NamedTemporaryFile( |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
93 delete=False, |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
94 dir=os.path.dirname(path), |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
95 prefix=os.path.basename(path), |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
96 suffix='.tmp', |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
97 ) as f: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
98 result = cast('NamedTemporaryFileResult', f) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
99 try: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
100 yield result |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
101 finally: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
102 result.file.flush() |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
103 os.fsync(result.file.fileno()) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
104 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
105 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
106 _replace_retry = retry(stop_max_delay=1000, wait_fixed=250) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
107 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
108 if PY2: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
109 @_replace_retry |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
110 def replace(src, dest): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
111 # type: (str, str) -> None |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
112 try: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
113 os.rename(src, dest) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
114 except OSError: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
115 os.remove(dest) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
116 os.rename(src, dest) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
117 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
118 else: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
119 replace = _replace_retry(os.replace) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
120 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
121 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
122 # test_writable_dir and _test_writable_dir_win are copied from Flit, |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
123 # with the author's agreement to also place them under pip's license. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
124 def test_writable_dir(path): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
125 # type: (str) -> bool |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
126 """Check if a directory is writable. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
127 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
128 Uses os.access() on POSIX, tries creating files on Windows. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
129 """ |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
130 # If the directory doesn't exist, find the closest parent that does. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
131 while not os.path.isdir(path): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
132 parent = os.path.dirname(path) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
133 if parent == path: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
134 break # Should never get here, but infinite loops are bad |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
135 path = parent |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
136 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
137 if os.name == 'posix': |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
138 return os.access(path, os.W_OK) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
139 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
140 return _test_writable_dir_win(path) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
141 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
142 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
143 def _test_writable_dir_win(path): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
144 # type: (str) -> bool |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
145 # os.access doesn't work on Windows: http://bugs.python.org/issue2528 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
146 # and we can't use tempfile: http://bugs.python.org/issue22107 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
147 basename = 'accesstest_deleteme_fishfingers_custard_' |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
148 alphabet = 'abcdefghijklmnopqrstuvwxyz0123456789' |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
149 for i in range(10): |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
150 name = basename + ''.join(random.choice(alphabet) for _ in range(6)) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
151 file = os.path.join(path, name) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
152 try: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
153 fd = os.open(file, os.O_RDWR | os.O_CREAT | os.O_EXCL) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
154 except OSError as e: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
155 if e.errno == errno.EEXIST: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
156 continue |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
157 if e.errno == errno.EPERM: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
158 # This could be because there's a directory with the same name. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
159 # But it's highly unlikely there's a directory called that, |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
160 # so we'll assume it's because the parent dir is not writable. |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
161 return False |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
162 raise |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
163 else: |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
164 os.close(fd) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
165 os.unlink(file) |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
166 return True |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
167 |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
168 # This should never be reached |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
169 raise EnvironmentError( |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
170 'Unexpected condition testing for writable directory' |
9e54283cc701
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff
changeset
|
171 ) |