From ba10bd77565e8f86e0a0525ffbbcdd3bfadc98b3 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Thu, 17 Sep 2020 06:56:51 +0200
Subject: [PATCH] Add strategy code to __code__

---
 freqtrade/resolvers/iresolver.py | 22 ++++++++++++----------
 freqtrade/rpc/api_server.py      | 20 ++++++++++++++++++++
 2 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/freqtrade/resolvers/iresolver.py b/freqtrade/resolvers/iresolver.py
index 846c85a5c..83c614650 100644
--- a/freqtrade/resolvers/iresolver.py
+++ b/freqtrade/resolvers/iresolver.py
@@ -67,9 +67,10 @@ class IResolver:
                 return iter([None])
 
         valid_objects_gen = (
-            obj for name, obj in inspect.getmembers(module, inspect.isclass)
-            if ((object_name is None or object_name == name) and
-                issubclass(obj, cls.object_type) and obj is not cls.object_type)
+            (obj, inspect.getsource(module)) for name, obj in inspect.getmembers(
+                module, inspect.isclass) if ((object_name is None or object_name == name)
+                                             and issubclass(obj, cls.object_type)
+                                             and obj is not cls.object_type)
         )
         return valid_objects_gen
 
@@ -93,7 +94,8 @@ class IResolver:
             obj = next(cls._get_valid_object(module_path, object_name), None)
 
             if obj:
-                return (obj, module_path)
+                obj[0].__code__ = obj[1]
+                return (obj[0], module_path)
         return (None, None)
 
     @classmethod
@@ -133,10 +135,10 @@ class IResolver:
                                            user_subdir=cls.user_subdir,
                                            extra_dir=extra_dir)
 
-        pairlist = cls._load_object(paths=abs_paths, object_name=object_name,
-                                    kwargs=kwargs)
-        if pairlist:
-            return pairlist
+        found_object = cls._load_object(paths=abs_paths, object_name=object_name,
+                                        kwargs=kwargs)
+        if found_object:
+            return found_object
         raise OperationalException(
             f"Impossible to load {cls.object_type_str} '{object_name}'. This class does not exist "
             "or contains Python code errors."
@@ -164,8 +166,8 @@ class IResolver:
             for obj in cls._get_valid_object(module_path, object_name=None,
                                              enum_failed=enum_failed):
                 objects.append(
-                    {'name': obj.__name__ if obj is not None else '',
-                     'class': obj,
+                    {'name': obj[0].__name__ if obj is not None else '',
+                     'class': obj[0] if obj is not None else None,
                      'location': entry,
                      })
         return objects
diff --git a/freqtrade/rpc/api_server.py b/freqtrade/rpc/api_server.py
index 0b80283d9..21c0e5629 100644
--- a/freqtrade/rpc/api_server.py
+++ b/freqtrade/rpc/api_server.py
@@ -223,6 +223,8 @@ class ApiServer(RPC):
                               view_func=self._plot_config, methods=['GET'])
         self.app.add_url_rule(f'{BASE_URI}/strategies', 'strategies',
                               view_func=self._list_strategies, methods=['GET'])
+        self.app.add_url_rule(f'{BASE_URI}/strategy/<string:strategy>', 'strategy',
+                              view_func=self._get_strategy, methods=['GET'])
         self.app.add_url_rule(f'{BASE_URI}/available_pairs', 'pairs',
                               view_func=self._list_available_pairs, methods=['GET'])
 
@@ -586,6 +588,24 @@ class ApiServer(RPC):
 
         return self.rest_dump({'strategies': [x['name'] for x in strategy_objs]})
 
+    @require_login
+    @rpc_catch_errors
+    def _get_strategy(self, strategy: str):
+        """
+        Get a single strategy
+        get:
+          parameters:
+            - strategy: Only get this strategy
+        """
+        config = deepcopy(self._config)
+        from freqtrade.resolvers.strategy_resolver import StrategyResolver
+        strategy_obj = StrategyResolver._load_strategy(strategy, config, None)
+
+        return self.rest_dump({
+            'strategy': strategy_obj.get_strategy_name(),
+            'code': strategy_obj.__code__,
+         })
+
     @require_login
     @rpc_catch_errors
     def _list_available_pairs(self):