/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Lib/fileutil.py
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revision 374 by jan, Mon Jan 27 14:20:02 2003 UTC revision 1885 by jan, Thu Oct 30 09:20:15 2003 UTC
# Line 11  Functions to deal with filenames Line 11  Functions to deal with filenames
11    
12  __version__ = "$Revision$"  __version__ = "$Revision$"
13    
14    import os
15  import os.path  import os.path
16  from string import split, join  from tempfile import mktemp
17    
18    from string import join
19    
20  from Thuban import _  from Thuban import _
21    
# Line 26  def relative_filename_common(dir, absnam Line 29  def relative_filename_common(dir, absnam
29    
30      # split the filenames into their components. remove the first item      # split the filenames into their components. remove the first item
31      # since it will be always empty because both names are absolute.      # since it will be always empty because both names are absolute.
32      dir_parts = split(dir, sep)[1:]      dir_parts = dir.split(sep)[1:]
33      absname_parts = split(absname, sep)[1:]      absname_parts = absname.split(sep)[1:]
34    
35      # count the number of common parts at the start of dir_parts and      # count the number of common parts at the start of dir_parts and
36      # absname_parts      # absname_parts
# Line 149  def relative_filename_nt(dir, absname): Line 152  def relative_filename_nt(dir, absname):
152      # relative name      # relative name
153      return relative_filename_common(dir_rest, absname_rest, "\\")      return relative_filename_common(dir_rest, absname_rest, "\\")
154    
155    def get_application_dir():
156        """Determine the path to the .thuban directory. Create the directory
157        if it doesn't exist.
158    
159        Under posix systems use the os.expanduser() method.
160        Under Win32 try to read the "Explorer/Shell Folders/" value "AppData".
161        """
162    
163        if os.name == 'posix':
164            dir = os.path.expanduser("~/.thuban")
165            if not os.path.isdir(dir):
166               os.mkdir(dir)
167            return dir
168        elif os.name == 'nt':
169            regkey = 1
170            try:
171                import _winreg as wreg
172            except ImportError:
173                regkey = 0
174    
175            if regkey:
176                try:
177                    key = wreg.OpenKey(wreg.HKEY_CURRENT_USER,
178                      "Software\\Microsoft\\Windows\\CurrentVersion\\"\
179                      "Explorer\\Shell Folders")
180                    dir = wreg.QueryValueEx(key, "AppData")[0]
181                    dir = os.path.join(dir, "thuban")
182                except:
183                    regkey = 0
184    
185            if not regkey:
186                # The fallback. This should result in something like the
187                # user directory ...
188                guess = os.path.dirname(
189                                    os.path.dirname(os.path.dirname(mktemp()))
190                                )
191                dir = os.path.join(guess, "thuban")
192            if not os.path.isdir(dir):
193               os.mkdir(dir)
194    
195            return dir
196    
197        else:
198            raise RuntimeError(_("No implementation of get_application_dir"
199                           " available for platform") + os.name)
200    
201  # bind the appropriate version of relative_filename for the platform  # bind the appropriate version of relative_filename for the platform
202  # we're currently running on.  # we're currently running on.
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