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Feat: add mechanism to check cancellation in Agent (#10766)

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### What problem does this PR solve?

Add mechanism to check cancellation in Agent.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)
This commit is contained in:
Yongteng Lei
2025-11-11 17:36:48 +08:00
committed by GitHub
parent d81e4095de
commit 9213568692
36 changed files with 495 additions and 20 deletions
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23
agent/tools/duckduckgo.py
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@ -75,17 +75,30 @@ class DuckDuckGo(ToolBase, ABC):
@timeout(int(os.environ.get("COMPONENT_EXEC_TIMEOUT", 12)))
def _invoke(self, **kwargs):
if self.check_if_canceled("DuckDuckGo processing"):
return
if not kwargs.get("query"):
self.set_output("formalized_content", "")
return ""
last_e = ""
for _ in range(self._param.max_retries+1):
if self.check_if_canceled("DuckDuckGo processing"):
return
try:
if kwargs.get("topic", "general") == "general":
with DDGS() as ddgs:
if self.check_if_canceled("DuckDuckGo processing"):
return
# {'title': '', 'href': '', 'body': ''}
duck_res = ddgs.text(kwargs["query"], max_results=self._param.top_n)
if self.check_if_canceled("DuckDuckGo processing"):
return
self._retrieve_chunks(duck_res,
get_title=lambda r: r["title"],
get_url=lambda r: r.get("href", r.get("url")),
@ -94,8 +107,15 @@ class DuckDuckGo(ToolBase, ABC):
return self.output("formalized_content")
else:
with DDGS() as ddgs:
if self.check_if_canceled("DuckDuckGo processing"):
return
# {'date': '', 'title': '', 'body': '', 'url': '', 'image': '', 'source': ''}
duck_res = ddgs.news(kwargs["query"], max_results=self._param.top_n)
if self.check_if_canceled("DuckDuckGo processing"):
return
self._retrieve_chunks(duck_res,
get_title=lambda r: r["title"],
get_url=lambda r: r.get("href", r.get("url")),
@ -103,6 +123,9 @@ class DuckDuckGo(ToolBase, ABC):
self.set_output("json", duck_res)
return self.output("formalized_content")
except Exception as e:
if self.check_if_canceled("DuckDuckGo processing"):
return
last_e = e
logging.exception(f"DuckDuckGo error: {e}")
time.sleep(self._param.delay_after_error)