# HG changeset patch
# User Neil Muller <drnlmuller@gmail.com>
# Date 1378217276 -7200
# Node ID 197a41520ad111fafcb8dc077bc4f8b970130c63
# Parent  60e7c1c204e8346bf7ab42f5ef73f1982fe3f2c6
Tweak resources.get_file to allow creating non-existant files

diff -r 60e7c1c204e8 -r 197a41520ad1 nagslang/resources.py
--- a/nagslang/resources.py	Tue Sep 03 15:37:09 2013 +0200
+++ b/nagslang/resources.py	Tue Sep 03 16:07:56 2013 +0200
@@ -18,6 +18,10 @@
         self.language = language.split('_', 1)[0] if language else None
         self._cache = {}
 
+    def create_resource_path(self, *path_fragments):
+        return resource_filename(self.resource_module,
+                                 os.path.join(*path_fragments))
+
     def get_resource_path(self, *path_fragments):
         for mod, full_path_fragments in self.lang_locations(path_fragments):
             path = resource_filename(mod, os.path.join(*full_path_fragments))
@@ -41,7 +45,13 @@
 
     def get_file(self, *path_fragments, **kw):
         mode = kw.get('mode', "rU")
-        path = self.get_resource_path(*path_fragments)
+        try:
+            path = self.get_resource_path(*path_fragments)
+        except ResourceNotFound:
+            if 'w' in mode:
+                path = self.create_resource_path(*path_fragments)
+            else:
+                raise
         return file(path, mode)
 
     def get_image(self, *name_fragments, **kw):