Added parsers and Evaluators auto discovery

core/utils.py

@@ -1,4 +1,6 @@
+import importlib
 import inspect
+import pkgutil
 import sys
 
 
@@ -38,6 +40,7 @@ def get_class(qname):
         m = getattr(m, comp)
     return m
 
+
 def get_module(qname):
     """
     Loads a module from its full qualified name
@@ -77,6 +80,11 @@ def get_full_qualified_name(obj):
 
 
 def get_classes(module_name):
+    """
+    Gets all classes, for a given module_name
+    :param module_name: name of the module
+    :return:
+    """
     mod = get_module(module_name)
     for name in dir(mod):
         obj = getattr(mod, name)
@@ -84,6 +92,30 @@ def get_classes(module_name):
             yield obj
 
 
+def get_classes_from_package(package_name):
+    """
+    Gets all classes, for a given package
+    :param package_name: name of the package
+    :return:
+    """
+    pkg = __import__(package_name)
+    prefix = pkg.__name__ + "."
+    for importer, modname, ispkg in pkgutil.iter_modules(pkg.__path__, prefix):
+        for c in get_classes(modname):
+            yield c
+
+
+def get_sub_classes(package_name, base_class_name):
+
+    pkg = __import__(package_name)
+    prefix = pkg.__name__ + "."
+    for (module_loader, name, ispkg) in pkgutil.iter_modules(pkg.__path__, prefix):
+        importlib.import_module(name)
+
+    base_class = get_class(base_class_name)
+    return base_class.__subclasses__()
+
+
 def remove_from_list(lst, to_remove):
     """
     Removes elements from a list if they exist