add cancel_order method

Author: riiy

src/emtl/__init__.py

@@ -1,5 +1,6 @@
 __version__ = "0.1.8"
 
+from .core import cancel_order
 from .core import emt
 from .core import insert_order
 from .core import login
@@ -20,4 +21,5 @@
     "query_history_trades",
     "query_funds_flow",
     "insert_order",
+    "cancel_order",
 ]

src/emtl/core.py

@@ -198,3 +198,10 @@ def insert_order(stock_code, trade_type, market: str, price: float, amount: int)
     logger.info(resp)
     if resp:
         return resp
+
+
+def cancel_order(code: str):
+    data = {"revokes": code.strip()}
+    resp = _query_something("cancel_order", req_data=data)
+    if resp:
+        return resp

src/emtl/tests/test_core.py

@@ -1,6 +1,7 @@
 import datetime
 import os
 
+from emtl.core import cancel_order
 from emtl.core import insert_order
 from emtl.core import query_funds_flow
 from emtl.core import query_history_orders
@@ -82,3 +83,9 @@ def test_insert_order():
     resp = insert_order("000002", "B", "SA", 5.01, 100)
     assert resp
     assert resp["Status"] in (0, -1)
+
+
+def test_cancel_order():
+    resp = cancel_order("000002")
+    assert resp
+    assert resp["Status"] in (0, -1)