add lib

passbook/lib/utils/reflection.py

@@ -0,0 +1,17 @@
+"""passbook lib reflection utilities"""
+from importlib import import_module
+
+
+def class_to_path(cls):
+    """Turn Class (Class or instance) into module path"""
+    return '%s.%s' % (cls.__module__, cls.__name__)
+
+
+def path_to_class(path):
+    """Import module and return class"""
+    if not path:
+        return None
+    parts = path.split('.')
+    package = '.'.join(parts[:-1])
+    _class = getattr(import_module(package), parts[-1])
+    return _class

passbook/lib/utils/urls.py

@@ -0,0 +1,7 @@
+"""URL-related utils"""
+from urllib.parse import urlparse
+
+
+def is_url_absolute(url):
+    """Check if domain is absolute to prevent user from being redirect somewhere else"""
+    return bool(urlparse(url).netloc)