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fix: cap consecutive empty LLM response retries to prevent infinite loop #225

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fix: cap consecutive empty LLM response retries to prevent infinite loop #225

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6 changes: 6 additions & 0 deletions ga.py
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,7 @@ def __init__(self, parent, last_history=None, cwd='./temp'):
self.history_info = last_history if last_history else []
self.code_stop_signal = []
self._done_hooks = []
self._blank_streak = 0

def _get_abs_path(self, path):
if not path: return ""
Expand Down Expand Up @@ -445,8 +446,13 @@ def do_no_tool(self, args, response):
content = getattr(response, 'content', '') or ""
thinking = getattr(response, 'thinking', '') or ""
if not response or (not content.strip() and not thinking.strip()):
self._blank_streak += 1
if self._blank_streak >= 3:
yield "[Error] LLM returned empty response 3 times consecutively. Aborting.\n"
return StepOutcome({}, next_prompt=None)
yield "[Warn] LLM returned an empty response. Retrying...\n"
return StepOutcome({}, next_prompt="[System] Blank response, regenerate and tooluse")
self._blank_streak = 0
if len(content) > 50 and ('[!!! 流异常中断' in content[-100:] or '!!!Error:' in content[-100:]):
return StepOutcome({}, next_prompt="[System] Incomplete response. Regenerate and tooluse.")
if 'max_tokens !!!]' in content[-100:]:
Expand Down