FEAT: NEW WORKFLOW ENGINE (#3160)

Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: Yeuoly <admin@srmxy.cn>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: nite-knite <nkCoding@gmail.com>
Co-authored-by: jyong <718720800@qq.com>

api/core/model_runtime/model_providers/__base/large_language_model.py

@@ -63,7 +63,7 @@ class LargeLanguageModel(AIModel):
 
         callbacks = callbacks or []
 
-        if bool(os.environ.get("DEBUG")):
+        if bool(os.environ.get("DEBUG", 'False').lower() == 'true'):
             callbacks.append(LoggingCallback())
 
         # trigger before invoke callbacks

api/core/model_runtime/model_providers/anthropic/llm/llm.py

@@ -394,13 +394,13 @@ class AnthropicLargeLanguageModel(LargeLanguageModel):
         first_loop = True
         for message in prompt_messages:
             if isinstance(message, SystemPromptMessage):
-                message.content=message.content.strip()
+                message.content = message.content.strip()
                 if first_loop:
-                    system=message.content
-                    first_loop=False
+                    system = message.content
+                    first_loop = False
                 else:
-                    system+="\n"
-                    system+=message.content
+                    system += "\n"
+                    system += message.content
 
         prompt_message_dicts = []
         for message in prompt_messages: