Add documentation for Source class

mythril/support/source_support.py

@@ -3,15 +3,28 @@ from mythril.ethereum.evmcontract import EVMContract
 
 
 class Source:
+    """Class to handle to source data"""
+
     def __init__(
         self, source_type=None, source_format=None, source_list=None, meta=None
     ):
+        """
+        :param source_type: whether it is a solidity-file or evm-bytecode
+        :param source_format: whether it is bytecode, ethereum-address or text
+        :param source_list: List of files
+        :param meta: meta data
+        """
         self.source_type = source_type
         self.source_format = source_format
         self.source_list = []
         self.meta = meta
 
     def get_source_from_contracts_list(self, contracts):
+        """
+        get the source data from the contracts list
+        :param contracts: the list of contracts
+        :return:
+        """
         if contracts is None or len(contracts) == 0:
             return
         if isinstance(contracts[0], SolidityContract):