Package translate :: Package misc :: Module file_discovery
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Source Code for Module translate.misc.file_discovery

 1  #!/usr/bin/env python 
 2  # -*- coding: utf-8 -*- 
 3  # 
 4  # Copyright 2008 Zuza Software Foundation 
 5  # 
 6  # This file is part of translate. 
 7  # 
 8  # translate is free software; you can redistribute it and/or modify 
 9  # it under the terms of the GNU General Public License as published by 
10  # the Free Software Foundation; either version 2 of the License, or 
11  # (at your option) any later version. 
12  # 
13  # translate is distributed in the hope that it will be useful, 
14  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
15  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
16  # GNU General Public License for more details. 
17  # 
18  # You should have received a copy of the GNU General Public License 
19  # along with translate; if not, write to the Free Software 
20  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
21  # 
22   
23  __all__ = ['get_abs_data_filename'] 
24   
25  import sys 
26  import os 
27   
28   
29 -def get_abs_data_filename(path_parts, basedirs=None):
30 """Get the absolute path to the given file- or directory name in the current 31 running application's data directory. 32 33 @type path_parts: list 34 @param path_parts: The path parts that can be joined by os.path.join(). 35 """ 36 if basedirs is None: 37 basedirs = [] 38 39 if isinstance(path_parts, str): 40 path_parts = [path_parts] 41 42 BASE_DIRS = basedirs + [ 43 os.path.dirname(unicode(__file__, sys.getfilesystemencoding())), 44 os.path.dirname(unicode(sys.executable, sys.getfilesystemencoding())), 45 ] 46 47 # Freedesktop standard 48 if 'XDG_DATA_HOME' in os.environ: 49 BASE_DIRS += [os.environ['XDG_DATA_HOME']] 50 if 'XDG_DATA_DIRS' in os.environ: 51 BASE_DIRS += os.environ['XDG_DATA_DIRS'].split(os.path.pathsep) 52 53 # Mac OSX app bundles 54 if 'RESOURCEPATH' in os.environ: 55 BASE_DIRS += os.environ['RESOURCEPATH'].split(os.path.pathsep) 56 57 DATA_DIRS = [ 58 ["..", "share"], 59 ["share"], 60 ] 61 62 for basepath, data_dir in ((x, y) for x in BASE_DIRS for y in DATA_DIRS): 63 dir_and_filename = data_dir + path_parts 64 datafile = os.path.join(basepath or os.path.dirname(__file__), *dir_and_filename) 65 if os.path.exists(datafile): 66 return datafile 67 raise Exception('Could not find "%s"' % (os.path.join(*path_parts)))
68