Move _Delay local class in global scope (bfxapi.websocket.client.bfx_websocket_client).

Apply pylint's linting rules to bfxapi/rest/__init__.py, bfxapi/rest/enums.py, bfxapi/rest/exceptions.py, bfxapi/rest/serializers.py and bfxapi/rest/types.py."
Apply pylint's linting rules to bfxapi/rest/endpoints/__init__.py, bfxapi/rest/endpoints/bfx_rest_interface.py and bfxapi/rest/endpoints/rest_public_endpoints.py.

bfxapi/websocket/client/bfx_websocket_client.py

@@ -29,6 +29,27 @@ def _require_websocket_authentication(function: F) -> F:
 
     return cast(F, wrapper)
 
+class _Delay:
+    BACKOFF_MIN, BACKOFF_MAX = 1.92, 60.0
+
+    BACKOFF_INITIAL = 5.0
+
+    def __init__(self, backoff_factor):
+        self.__backoff_factor = backoff_factor
+        self.__backoff_delay = _Delay.BACKOFF_MIN
+        self.__initial_delay = random.random() * _Delay.BACKOFF_INITIAL
+
+    def next(self):
+        backoff_delay = self.peek()
+        __backoff_delay = self.__backoff_delay * self.__backoff_factor
+        self.__backoff_delay = min(__backoff_delay, _Delay.BACKOFF_MAX)
+
+        return backoff_delay
+
+    def peek(self):
+        return (self.__backoff_delay == _Delay.BACKOFF_MIN) \
+            and self.__initial_delay or self.__backoff_delay
+
 class BfxWebsocketClient:
     VERSION = BfxWebsocketBucket.VERSION
 
@@ -135,27 +156,6 @@ class BfxWebsocketClient:
                         if message[0] == 0 and message[1] != _HEARTBEAT:
                             self.handler.handle(message[1], message[2])
 
-        class _Delay:
-            BACKOFF_MIN, BACKOFF_MAX = 1.92, 60.0
-
-            BACKOFF_INITIAL = 5.0
-
-            def __init__(self, backoff_factor):
-                self.__backoff_factor = backoff_factor
-                self.__backoff_delay = _Delay.BACKOFF_MIN
-                self.__initial_delay = random.random() * _Delay.BACKOFF_INITIAL
-
-            def next(self):
-                backoff_delay = self.peek()
-                __backoff_delay = self.__backoff_delay * self.__backoff_factor
-                self.__backoff_delay = min(__backoff_delay, _Delay.BACKOFF_MAX)
-
-                return backoff_delay
-
-            def peek(self):
-                return (self.__backoff_delay == _Delay.BACKOFF_MIN) \
-                    and self.__initial_delay or self.__backoff_delay
-
         while True:
             if reconnection.status:
                 await asyncio.sleep(delay.next())

bfxapi/websocket/client/bfx_websocket_inputs.py

@@ -1,4 +1,4 @@
-#pylint: disable=redefined-builtin,too-many-arguments
+#pylint: disable=redefined-builtin
 
 from decimal import Decimal
 from datetime import datetime
@@ -15,6 +15,7 @@ class BfxWebsocketInputs:
                     type: OrderType,
                     symbol: str,
                     amount: Union[Decimal, float, str],
+                    *,
                     price: Optional[Union[Decimal, float, str]] = None,
                     lev: Optional[int] = None,
                     price_trailing: Optional[Union[Decimal, float, str]] = None,
@@ -35,6 +36,7 @@ class BfxWebsocketInputs:
 
     async def update_order(self,
                     id: int,
+                    *,
                     amount: Optional[Union[Decimal, float, str]] = None,
                     price: Optional[Union[Decimal, float, str]] = None,
                     cid: Optional[int] = None,
@@ -54,6 +56,7 @@ class BfxWebsocketInputs:
         })
 
     async def cancel_order(self,
+                    *,
                     id: Optional[int] = None,
                     cid: Optional[int] = None,
                     cid_date: Optional[str] = None):
@@ -62,6 +65,7 @@ class BfxWebsocketInputs:
         })
 
     async def cancel_order_multi(self,
+                    *,
                     ids: Optional[List[int]] = None,
                     cids: Optional[List[Tuple[int, str]]] = None,
                     gids: Optional[List[int]] = None,
@@ -71,12 +75,14 @@ class BfxWebsocketInputs:
             "all": int(all)
         })
 
+    #pylint: disable-next=too-many-arguments
     async def submit_funding_offer(self,
                     type: FundingOfferType,
                     symbol: str,
                     amount: Union[Decimal, float, str],
                     rate: Union[Decimal, float, str],
                     period: int,
+                    *,
                     flags: Optional[int] = 0):
         await self.__handle_websocket_input("fon", {
             "type": type, "symbol": symbol, "amount": amount,

bfxapi/websocket/types.py

@@ -3,11 +3,11 @@ from typing import *
 
 from dataclasses import dataclass
 
+from .. labeler import _Type
+
 #pylint: disable-next=unused-import
 from .. notification import Notification
 
-from .. labeler import _Type
-
 from ..utils.json_encoder import JSON
 
 #region Type hinting for Websocket Public Channels