Merge pull request #21 from 1danielcoelho/check_implemented_flags

Handle any unimplemented flag and carry on with a warning

Author: Kurt Yoder

pywavefront/__init__.py

@@ -147,7 +147,3 @@ def parse_f(self, args):
             if i == 0:
                 v1 = vertex
             vlast = vertex
-
-    def parse_s(self, args):
-        # unimplemented
-        return

pywavefront/parser.py

@@ -34,10 +34,12 @@
 
 import os
 import pyglet
+import logging
 
 class Parser(object):
     """This defines a generalized parse dispatcher; all parse functions
     reside in subclasses."""
+    strict = False
 
     def read_file(self, file_name):
         for line in open(file_name, 'r'):
@@ -63,5 +65,14 @@ def parse(self, line, dir):
                 args[i] = arg
             i += 1
 
-        parse_function = getattr(self, 'parse_%s' % line_type)
-        parse_function(args)
+        attrib = 'parse_%s' % line_type
+
+        if Parser.strict:
+            parse_function = getattr(self, attrib)
+            parse_function(args)
+        elif hasattr(self, attrib):
+            parse_function = getattr(self, attrib)
+            parse_function(args)
+        else:
+            logging.warning("Unimplemented OBJ format statement '%s' on line '%s'"
+                            % (line_type, line.rstrip()))