om@13
|
1 |
#!/bin/env python
|
om@13
|
2 |
# -*- coding: utf-8 -*-
|
om@13
|
3 |
|
om@13
|
4 |
# ------------------------------------------------------------
|
om@13
|
5 |
# environment.py
|
om@13
|
6 |
#
|
om@13
|
7 |
# pick some current environment infos
|
om@13
|
8 |
#
|
om@13
|
9 |
# Autor: Oliver Maurhart, <oliver.maurhart@ait.ac.at>
|
om@13
|
10 |
#
|
om@13
|
11 |
# Copyright (C) 2013 AIT Austrian Institute of Technology
|
om@13
|
12 |
# AIT Austrian Institute of Technology GmbH
|
om@13
|
13 |
# Donau-City-Strasse 1 | 1220 Vienna | Austria
|
om@13
|
14 |
# http://www.ait.ac.at
|
om@13
|
15 |
#
|
om@13
|
16 |
# This program is free software; you can redistribute it and/or
|
om@13
|
17 |
# modify it under the terms of the GNU General Public License
|
om@13
|
18 |
# as published by the Free Software Foundation version 2.
|
om@13
|
19 |
#
|
om@13
|
20 |
# This program is distributed in the hope that it will be useful,
|
om@13
|
21 |
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
om@13
|
22 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
om@13
|
23 |
# GNU General Public License for more details.
|
om@13
|
24 |
#
|
om@13
|
25 |
# You should have received a copy of the GNU General Public License
|
om@13
|
26 |
# along with this program; if not, write to the Free Software
|
om@13
|
27 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
om@13
|
28 |
# Boston, MA 02110-1301, USA.
|
om@13
|
29 |
# ------------------------------------------------------------
|
om@13
|
30 |
|
om@13
|
31 |
|
om@13
|
32 |
# ------------------------------------------------------------
|
om@13
|
33 |
# imports
|
om@13
|
34 |
|
om@13
|
35 |
import os
|
om@13
|
36 |
import os.path
|
om@13
|
37 |
import sys
|
om@13
|
38 |
|
om@13
|
39 |
|
om@13
|
40 |
# ------------------------------------------------------------
|
om@13
|
41 |
# code
|
om@13
|
42 |
|
om@13
|
43 |
|
om@13
|
44 |
class Environment(object):
|
om@13
|
45 |
|
om@13
|
46 |
"""Hold some nifty environment stuff in a dedicated class."""
|
om@13
|
47 |
|
om@13
|
48 |
def __init__(self, application = None):
|
om@13
|
49 |
|
om@13
|
50 |
# if we ain't got a path to start from, all is valid/lost
|
om@13
|
51 |
if len(sys.path[0]) == 0:
|
om@13
|
52 |
self._prefix_path = ''
|
om@13
|
53 |
self._data_path = ''
|
om@13
|
54 |
return
|
om@13
|
55 |
|
om@13
|
56 |
# the prefix path
|
om@13
|
57 |
#
|
om@13
|
58 |
# - on Linux: this is ../../ to the current executable
|
om@13
|
59 |
# e.g. "/usr/bin/myprogram" --> "/usr"
|
om@13
|
60 |
#
|
om@13
|
61 |
# - on Windows (inkl. Cygwin): this is the installation folder
|
om@13
|
62 |
# e.g. "C:/Program Files/MyProgram/myprogam" --> "C:/Program Files/MyProgram"
|
om@13
|
63 |
#
|
om@13
|
64 |
if sys.platform == 'linux2':
|
om@13
|
65 |
self._prefix_path = os.path.split(sys.path[0])[0]
|
om@13
|
66 |
elif sys.platform == 'win32' or sys.platform == 'cygwin':
|
om@13
|
67 |
self._prefix_path = sys.path[0]
|
om@13
|
68 |
|
om@13
|
69 |
# the data path where all data files are stored
|
om@13
|
70 |
if sys.platform == 'linux2':
|
om@13
|
71 |
if not application is None:
|
om@13
|
72 |
self._data_path = os.path.join(self._prefix_path, os.path.join('share', application))
|
om@13
|
73 |
else:
|
om@13
|
74 |
self._data_path = os.path.join(self._prefix_path, 'share')
|
om@13
|
75 |
elif sys.platform == 'win32' or sys.platform == 'cygwin':
|
om@13
|
76 |
self._data_path = self._prefix_path
|
om@13
|
77 |
|
om@13
|
78 |
|
om@13
|
79 |
def data_path_get(self):
|
om@13
|
80 |
"""dat_path get"""
|
om@13
|
81 |
return self._data_path
|
om@13
|
82 |
|
om@13
|
83 |
data_path = property(data_path_get)
|
om@13
|
84 |
|
om@13
|
85 |
|
om@13
|
86 |
def prefix_path_get(self):
|
om@13
|
87 |
"""prefix_path get"""
|
om@13
|
88 |
return self._prefix_path
|
om@13
|
89 |
|
om@13
|
90 |
prefix_path = property(prefix_path_get)
|
om@13
|
91 |
|
om@13
|
92 |
# test method
|
om@13
|
93 |
def test():
|
om@13
|
94 |
|
om@13
|
95 |
"""Test: class Environment"""
|
om@13
|
96 |
e = Environment('My Application')
|
om@13
|
97 |
print('prefix_path: "{0}"'.format(e.prefix_path))
|
om@13
|
98 |
print(' data_path: "{0}"'.format(e.data_path))
|
om@13
|
99 |
|
om@13
|
100 |
|
om@13
|
101 |
# test the module
|
om@13
|
102 |
if __name__ == '__main__':
|
om@13
|
103 |
test()
|