Enabled LLM logs by default (#1819)

Co-authored-by: Yufan Song <33971064+yufansong@users.noreply.github.com>

.github/ISSUE_TEMPLATE/bug_template.yml

@@ -66,4 +66,4 @@ body:
     id: additional-context
     attributes:
       label: Logs, Errors, Screenshots, and Additional Context
-      description: If you set DEBUG = 1 in config or env, LLM logs will be stored in the `logs/llm` folder. Please add any additional context about the problem here.
+      description: LLM logs will be stored in the `logs/llm/default` folder. Please add any additional context about the problem here.

opendevin/core/logger.py

@@ -150,9 +150,22 @@ class LlmFileHandler(logging.FileHandler):
         """
         self.filename = filename
         self.message_counter = 1
-        self.session = datetime.now().strftime('%y-%m-%d_%H-%M')
+        if config.debug:
+            self.session = datetime.now().strftime('%y-%m-%d_%H-%M')
+        else:
+            self.session = 'default'
         self.log_directory = os.path.join(os.getcwd(), 'logs', 'llm', self.session)
         os.makedirs(self.log_directory, exist_ok=True)
+        if not config.debug:
+            # Clear the log directory if not in debug mode
+            for file in os.listdir(self.log_directory):
+                file_path = os.path.join(self.log_directory, file)
+                try:
+                    os.unlink(file_path)
+                except Exception as e:
+                    opendevin_logger.error(
+                        'Failed to delete %s. Reason: %s', file_path, e
+                    )
         filename = f'{self.filename}_{self.message_counter:03}.log'
         self.baseFilename = os.path.join(self.log_directory, filename)
         super().__init__(self.baseFilename, mode, encoding, delay)
@@ -195,12 +208,10 @@ def get_llm_response_file_handler():
 
 llm_prompt_logger = logging.getLogger('prompt')
 llm_prompt_logger.propagate = False
-if config.debug:
-    llm_prompt_logger.setLevel(logging.DEBUG)
+llm_prompt_logger.setLevel(logging.DEBUG)
 llm_prompt_logger.addHandler(get_llm_prompt_file_handler())
 
 llm_response_logger = logging.getLogger('response')
 llm_response_logger.propagate = False
-if config.debug:
-    llm_response_logger.setLevel(logging.DEBUG)
+llm_response_logger.setLevel(logging.DEBUG)
 llm_response_logger.addHandler(get_llm_response_file_handler())