Added compression support to wavefront loader.

Removed massive generated C file.

punyverse/_model.pyx

@@ -7,6 +7,20 @@ from punyverse.texture import load_texture
 include "_cyopengl.pxi"
 from uuid import uuid4
 import os
+import gzip
+import bz2
+import zipfile
+
+def zip_open(file):
+    zip = zipfile.ZipFile(file)
+    return zip.open(zip.namelist()[0])
+
+openers = {
+    'gz': gzip.open,
+    'bz2': bz2.BZ2File,
+    'zip': zip_open,
+}
+
 
 cdef enum:
     FACE_TRIANGLES
@@ -178,8 +192,8 @@ cdef class WavefrontObject(object):
 
         group.faces.append(Face(type, vindices, nindices, tindices, face_vertices, face_normals, face_textures))
 
-    cdef void material(self, list words):
-        self.perform_io(os.path.join(self.root, words[1]))
+    cdef bint material(self, list words) except False:
+        return self.perform_io(os.path.join(self.root, words[1]))
         
     cdef void use_material(self, list words):
         mat = words[1]
@@ -199,24 +213,16 @@ cdef class WavefrontObject(object):
         self.groups.append(group)
         self.current_group = group
 
-    cdef inline void perform_io(self, unicode file):
-        mbcsfile = file.encode('mbcs')
-        cdef char* fname = mbcsfile
-    
-        cdef FILE* cfile
-        cfile = fopen(fname, 'rb')
-        if cfile == NULL:
-            raise IOError(2, "No such file or directory: '%s'" % file)
-    
-        cdef size_t bufsize = 2048
-        cdef char *buf = <char*>malloc(bufsize)
-        cdef ssize_t read
-        cdef char *type
+    cdef inline bint perform_io(self, unicode file) except False:
+        cdef const char *type
         cdef list words
         cdef int hash, length
 
-        while fgets(buf, bufsize, cfile):
-            if buf[0] in (0, 10, 13, 35):
+        ext = os.path.splitext(file)[1].lstrip('.')
+        reader = openers.get(ext, open)(file)
+        with reader:
+            for buf in reader:
+                if not buf or buf.startswith(('\r', '\n', '#')):
                     continue # Empty or comment
                 words = buf.split()
                 type = words[0]
@@ -254,8 +260,7 @@ cdef class WavefrontObject(object):
                     self.new_material(words)
                 elif strcmp(type, b'map_Kd') == 0:
                     self.material_texture(words)
-        free(buf)
-        fclose(cfile)
+        return True
 
 model_base = None