annotate python/lsex.py @ 159:9b81f964c524

add some channels
author Jeff Hammel <jhammel@mozilla.com>
date Mon, 01 Aug 2011 09:24:59 -0700
parents 71576cdc28ab
children 77e7cab3e9f2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
1 #!/usr/bin/env python
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
2 import os
69
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
3 import sys
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
4 from optparse import OptionParser
0
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
5
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
6 # make sure duplicate path elements aren't printed twice
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
7 def ordered_set(alist):
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
8 seen = set()
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
9 new = []
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
10 for item in alist:
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
11 if item in seen:
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
12 continue
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
13 seen.add(item)
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
14 new.append(item)
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
15 return new
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
16
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
17 def lsex(path=None):
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
18 """
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
19 list executable files on the path
69
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
20 - path: list of directories to search. if not specified, use system path
0
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
21 """
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
22
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
23 if path is None:
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
24 # use system path
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
25 path = ordered_set(os.environ['PATH'].split(':'))
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
26
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
27 executables = []
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
28
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
29 # add the executable files to the list
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
30 for i in path:
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
31 if not os.path.isdir(i):
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
32 continue
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
33 files = [ os.path.join(i,j) for j in os.listdir(i) ]
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
34 files = filter(lambda x: os.access(x, os.X_OK), files)
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
35 files.sort() # just to make the output pretty
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
36 executables.extend(files)
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
37 return executables
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
38
69
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
39 def executable_names(path=None):
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
40 executables = lsex(path)
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
41 executables = set([os.path.basename(i) for i in executables])
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
42 return executables
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
43
0
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
44 if __name__ == '__main__':
69
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
45 parser = OptionParser()
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
46 parser.add_option('--names', action='store_true', default=False,
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
47 help="list only the set of names")
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
48
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
49 options, args = parser.parse_args()
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
50 if options.names:
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
51 for i in sorted(executable_names()):
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
52 print i
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
53 sys.exit(0)
71576cdc28ab add option to pritn set of names
Jeff Hammel <jhammel@mozilla.com>
parents: 0
diff changeset
54
0
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
55 for i in lsex():
f3ab51c79813 adding configuration from https://svn.openplans.org/svn/config_jhammel/
k0s <k0scist@gmail.com>
parents:
diff changeset
56 print i