Initial changes to support the new Django 1.6 project structure

mayan/apps/converter/utils.py

@@ -0,0 +1,40 @@
+import os
+
+from django.utils.importlib import import_module
+
+
+def _lazy_load(fn):
+    _cached = []
+
+    def _decorated():
+        if not _cached:
+            _cached.append(fn())
+        return _cached[0]
+    return _decorated
+
+
+@_lazy_load
+def load_backend():
+    from converter.conf.settings import GRAPHICS_BACKEND as backend_name
+
+    try:
+        module = import_module('.base', 'converter.backends.%s' % backend_name)
+        import warnings
+        warnings.warn(
+            "Short names for CONVERTER_BACKEND are deprecated; prepend with 'converter.backends.'",
+            PendingDeprecationWarning
+        )
+        return module
+    except ImportError, e:
+        # Look for a fully qualified converter backend name
+        return import_module('.base', backend_name)
+
+
+def cleanup(filename):
+    """
+    Tries to remove the given filename. Ignores non-existent files
+    """
+    try:
+        os.remove(filename)
+    except OSError:
+        pass