Merge pyextra subtree

pyextra/jsonrpc/jsonrpc.py

@@ -0,0 +1,28 @@
+""" JSON-RPC wrappers for version 1.0 and 2.0.
+
+Objects diring init operation try to choose JSON-RPC 2.0 and in case of error
+JSON-RPC 1.0.
+from_json methods could decide what format is it by presence of 'jsonrpc'
+attribute.
+
+"""
+from .utils import JSONSerializable
+from .jsonrpc1 import JSONRPC10Request
+from .jsonrpc2 import JSONRPC20Request
+
+
+class JSONRPCRequest(JSONSerializable):
+
+    """ JSONRPC Request."""
+
+    @classmethod
+    def from_json(cls, json_str):
+        data = cls.deserialize(json_str)
+        return cls.from_data(data)
+
+    @classmethod
+    def from_data(cls, data):
+        if isinstance(data, dict) and "jsonrpc" not in data:
+            return JSONRPC10Request.from_data(data)
+        else:
+            return JSONRPC20Request.from_data(data)