fix(blocks): clamp Twitter search start_time to 10 seconds before now

[ntindle]

Summary

• Clamp start_time to at least 10 seconds before request time (Twitter API requirement)
• Update input description to document this automatic adjustment
• Fix serialize_list to handle None data gracefully (exposed by the fix)

Background

Twitter API returns 400 Bad Request when start_time is less than 10 seconds before the request time. Users providing current/future times would hit this error.

Sentry Issue: BUILDER-3PG

Affected Blocks

• TwitterSearchRecentTweetsBlock
• TwitterGetUserMentionsBlock
• TwitterGetHomeTimelineBlock
• TwitterGetUserTweetsBlock

Test plan

• Tested TwitterSearchRecentTweetsBlock with current time as start_time
• Verified clamping works and API call succeeds
• Verified "No tweets found" is returned correctly when search window has no results

🤖 Generated with Claude Code

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✨ Finishing touches

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• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/twitter-start-time-validation

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[qodo-merge-pro]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Timezone Handling When clamping, naive datetimes are force-set to UTC via replace(), which assumes naive input is UTC. Confirm this assumption or consider converting via application default timezone to avoid silent time shifts. if start_time.tzinfo is None: start_time = start_time.replace(tzinfo=timezone.utc) if start_time > max_start_time: start_time = max_start_time self.params["start_time"] = start_time Start Time Serialization Ensure the clamped datetime is serialized to the exact RFC3339/ISO8601 format the Twitter API expects (e.g., with 'Z'); if downstream serialization isn't guaranteed, add explicit formatting to prevent 400s due to formatting. def add_start_time(self, start_time: datetime | None): if start_time: # Twitter API requires start_time to be at least 10 seconds before now max_start_time = datetime.now(timezone.utc) - timedelta(seconds=10) if start_time.tzinfo is None: start_time = start_time.replace(tzinfo=timezone.utc) if start_time > max_start_time: start_time = max_start_time self.params["start_time"] = start_time return self None vs Empty List Semantics serialize_list now returns [] for None; verify callers do not rely on distinguishing None from an empty payload for conditional logic or pagination, as this may change behavior. def serialize_list(cls, data: List[Dict[str, Any]] | None) -> List[Dict[str, Any]]: """Serializes a list of dictionary items""" if not data: return [] return [cls.serialize_dict(item) for item in data]

[deepsource-io]

Here's the code health analysis summary for commits 3d08c22..98fe507. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
JavaScript	✅ Success		View Check ↗
Python	✅ Success	❗ 1 occurence introduced	View Check ↗

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[Abhi1992002]

lgtm