REFACTOR. renaming JSON type to JsonDict to infer JSON object is represented

Author: daehan-koreapool

pycardano/backend/blockfrost.py

@@ -29,7 +29,7 @@
     UTxO,
     Value,
 )
-from pycardano.types import JSON
+from pycardano.types import JsonDict
 
 __all__ = ["BlockFrostChainContext"]
 
@@ -148,9 +148,9 @@ def _get_script(
                 cbor2.loads(bytes.fromhex(self.api.script_cbor(script_hash).cbor))
             )
         else:
-            script_json: JSON = self.api.script_json(script_hash, return_type="json")[
-                "json"
-            ]
+            script_json: JsonDict = self.api.script_json(
+                script_hash, return_type="json"
+            )["json"]
             return NativeScript.from_dict(script_json)
 
     def utxos(self, address: str) -> List[UTxO]:

pycardano/backend/ogmios.py

@@ -29,7 +29,7 @@
     UTxO,
     Value,
 )
-from pycardano.types import JSON
+from pycardano.types import JsonDict
 
 __all__ = ["OgmiosChainContext"]
 
@@ -64,7 +64,7 @@ def __init__(
         self._genesis_param = None
         self._protocol_param = None
 
-    def _request(self, method: OgmiosQueryType, args: JSON) -> Any:
+    def _request(self, method: OgmiosQueryType, args: JsonDict) -> Any:
         ws = websocket.WebSocket()
         ws.connect(self._ws_url)
         request = json.dumps(
@@ -86,27 +86,27 @@ def _request(self, method: OgmiosQueryType, args: JSON) -> Any:
             )
         return json.loads(response)["result"]
 
-    def _query_current_protocol_params(self) -> JSON:
+    def _query_current_protocol_params(self) -> JsonDict:
         args = {"query": "currentProtocolParameters"}
         return self._request(OgmiosQueryType.Query, args)
 
-    def _query_genesis_config(self) -> JSON:
+    def _query_genesis_config(self) -> JsonDict:
         args = {"query": "genesisConfig"}
         return self._request(OgmiosQueryType.Query, args)
 
     def _query_current_epoch(self) -> int:
         args = {"query": "currentEpoch"}
         return self._request(OgmiosQueryType.Query, args)
 
-    def _query_chain_tip(self) -> JSON:
+    def _query_chain_tip(self) -> JsonDict:
         args = {"query": "chainTip"}
         return self._request(OgmiosQueryType.Query, args)
 
-    def _query_utxos_by_address(self, address: str) -> List[List[JSON]]:
+    def _query_utxos_by_address(self, address: str) -> List[List[JsonDict]]:
         args = {"query": {"utxo": [address]}}
         return self._request(OgmiosQueryType.Query, args)
 
-    def _query_utxos_by_tx_id(self, tx_id: str, index: int) -> List[List[JSON]]:
+    def _query_utxos_by_tx_id(self, tx_id: str, index: int) -> List[List[JsonDict]]:
         args = {"query": {"utxo": [{"txId": tx_id, "index": index}]}}
         return self._request(OgmiosQueryType.Query, args)
 
@@ -173,7 +173,7 @@ def _get_min_utxo(self) -> int:
         result = self._query_genesis_config()
         return result["protocolParameters"]["minUtxoValue"]
 
-    def _parse_cost_models(self, ogmios_result: JSON) -> Dict[str, Dict[str, int]]:
+    def _parse_cost_models(self, ogmios_result: JsonDict) -> Dict[str, Dict[str, int]]:
         ogmios_cost_models = ogmios_result.get("costModels", {})
 
         cost_models = {}

pycardano/nativescript.py

@@ -11,7 +11,7 @@
 from pycardano.exception import DeserializeException
 from pycardano.hash import SCRIPT_HASH_SIZE, ScriptHash, VerificationKeyHash
 from pycardano.serialization import ArrayCBORSerializable, Primitive, list_hook
-from pycardano.types import JSON
+from pycardano.types import JsonDict
 
 __all__ = [
     "NativeScript",
@@ -58,7 +58,7 @@ def hash(self) -> ScriptHash:
 
     @classmethod
     def from_dict(
-        cls: Type[NativeScript], script_json: JSON
+        cls: Type[NativeScript], script_json: JsonDict
     ) -> Union[
         ScriptPubkey, ScriptAll, ScriptAny, ScriptNofK, InvalidBefore, InvalidHereAfter
     ]:
@@ -82,7 +82,7 @@ def from_dict(
 
     @classmethod
     def _script_json_to_primitive(
-        cls: Type[NativeScript], script_json: JSON
+        cls: Type[NativeScript], script_json: JsonDict
     ) -> List[Primitive]:
         """Serialize a standard JSON native script into a primitive array"""
 
@@ -112,7 +112,7 @@ def _script_json_to_primitive(
 
     @classmethod
     def _script_jsons_to_primitive(
-        cls: Type[NativeScript], script_jsons: List[JSON]
+        cls: Type[NativeScript], script_jsons: List[JsonDict]
     ) -> List[List[Primitive]]:
         """Parse a list of JSON scripts into a list of primitive arrays"""
         native_script = [cls._script_json_to_primitive(i) for i in script_jsons]

pycardano/types.py

@@ -1,3 +1,4 @@
 from typing import Any, Dict
 
-JSON = Dict[str, Any]
+# https://github.com/python/typing/issues/182#issuecomment-199532520
+JsonDict = Dict[str, Any]