blob: 76b5140efeaa835ecaf5e61e3eb814e7c9d4b6ff (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
# Copyright (C) 2009-2013 Roman Zimbelmann <hut@lavabit.com>
# This software is distributed under the terms of the GNU GPL version 3.
from stat import S_IXOTH, S_IFREG
from ranger.ext.iter_tools import unique
from os import listdir, environ, stat
_cached_executables = None
def get_executables():
"""Return all executable files in $PATH. Cached version."""
global _cached_executables
if _cached_executables is None:
_cached_executables = get_executables_uncached()
return _cached_executables
def get_executables_uncached(*paths):
"""Return all executable files in each of the given directories.
Looks in $PATH by default.
"""
if not paths:
try:
pathstring = environ['PATH']
except KeyError:
return ()
paths = unique(pathstring.split(':'))
executables = set()
for path in paths:
try:
content = listdir(path)
except:
continue
for item in content:
abspath = path + '/' + item
try:
filestat = stat(abspath)
except:
continue
if filestat.st_mode & (S_IXOTH | S_IFREG):
executables.add(item)
return executables
|