Imported core, m, ag and serial for refactoring

core/core.51-import.pyx

@@ -0,0 +1,31 @@
+import imp
+
+def import_module(path):
+	"""
+	Imports a python file as a module. The path can be relative or absolute.
+	
+	Based on the work of Yuval Greenfield released into the public domain.
+	"""
+	
+	# remove the .py suffix
+	mod_dn = os.path.dirname(path)
+	mod_fn = os.path.basename(path)
+	
+	if mod_fn.endswith(".py"):
+		mod_name = mod_fn[:-3]
+	else:
+		# packages for example
+		mod_name = mod_fn
+	
+	fd = None
+	
+	try:
+		data = imp.find_module(mod_name, [mod_dn])
+		module = imp.load_module(mod_name, *data)
+		fd = data[0]
+	
+	finally:
+		if fd is not None:
+			fd.close()
+	
+	return module