Cleanup __init__ and add functions to convert SQLAchemy results into dict.

accountant/models/__init__.py

@@ -2,14 +2,18 @@
 
 # vim: set tw=80 ts=4 sw=4 sts=4:
 
-import pkgutil
-
 from flask_sqlalchemy import SQLAlchemy
 
 # pylint: disable=invalid-name
 db = SQLAlchemy()
 
-__all__ = ['db']
 
-for loader, module_name, is_pkg in pkgutil.walk_packages(__path__):
-    __all__.append(module_name)
+def row_as_dict(row):
+    """Return a SQLAlchemy row as dict."""
+    return dict(zip(row.keys(), row))
+
+
+def result_as_dicts(query):
+    """Return SQLAlchemy query results as dictionnaries."""
+    for row in query.all():
+        yield row_as_dict(row)