Merge pull request #114 from timrae/export-deck-media

Don't include media files with _ unless they are referenced in model

anki/exporting.py

@@ -203,7 +203,12 @@ class AnkiExporter(Exporter):
             if self.mediaDir:
                 for fname in os.listdir(self.mediaDir):
                     if fname.startswith("_"):
-                        media[fname] = True
+                        # Scan all models in mids for reference to fname
+                        for m in self.src.models.all():
+                            if int(m['id']) in mids:
+                                if self._modelHasMedia(m, fname):
+                                    media[fname] = True
+                                    break
         self.mediaFiles = media.keys()
         self.dst.crt = self.src.crt
         # todo: tags?
@@ -220,6 +225,16 @@ class AnkiExporter(Exporter):
     def removeSystemTags(self, tags):
         return self.src.tags.remFromStr("marked leech", tags)
 
+    def _modelHasMedia(self, model, fname):
+        # First check the styling
+        if fname in model["css"]:
+            return True
+        # If no reference to fname then check the templates as well
+        for t in model["tmpls"]:
+            if fname in t["qfmt"] or fname in t["afmt"]:
+                return True
+        return False
+
 # Packaged Anki decks
 ######################################################################