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📝 WalkthroughWalkthroughA new ChangesMuApi Video Generation Tool
Sequence DiagramsequenceDiagram
participant Caller
participant MuApiVideoGenerationTool
participant muapi_ai as muapi.ai API
Caller->>MuApiVideoGenerationTool: text_to_video(prompt, save_at, duration, config)
MuApiVideoGenerationTool->>muapi_ai: POST generation request via _submit()
muapi_ai-->>MuApiVideoGenerationTool: request_id
loop _poll until completed or timeout
MuApiVideoGenerationTool->>muapi_ai: GET prediction status
muapi_ai-->>MuApiVideoGenerationTool: status + output URL
end
MuApiVideoGenerationTool->>muapi_ai: GET output URL
muapi_ai-->>MuApiVideoGenerationTool: video bytes
MuApiVideoGenerationTool-->>Caller: {"status": "success", "video_path": save_at}
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@backend/director/tools/muapi_video.py`:
- Around line 123-127: The _submit method directly accesses
resp.json()["request_id"] which will raise a raw KeyError if the key is missing
from the API response. Wrap the resp.json()["request_id"] access in a try-except
block to catch KeyError, and when caught, raise a more informative exception
that includes the actual response content to aid debugging. This will provide
clear context about what the API returned instead of the expected request_id.
- Around line 162-172: The exception handling in the video generation code is
losing the original traceback by re-raising a new Exception without preserving
the exception chain. Modify the raise statement in the except block (where the
message "Error generating video" is constructed) to use the `from e` syntax to
preserve the original exception context. Apply the same fix to the
`image_to_video` method (mentioned at line 202) where this issue also exists.
This ensures the full traceback is retained for better debugging.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
i️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: fda5b229-148f-4b43-aa38-9f0d6164ad14
📒 Files selected for processing (1)
backend/director/tools/muapi_video.py
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@backend/director/tools/muapi_video.py`:
- Around line 129-132: The _submit error handling in muapi_video.py currently
catches KeyError but loses the original exception context. Update the KeyError
handler in the _submit flow to bind the exception as a variable and re-raise the
new Exception with explicit chaining from that caught KeyError so the traceback
and source failure are preserved.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
i️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: bba1f1e4-06b4-4aab-8ea8-b65f62b0d6f3
📒 Files selected for processing (1)
backend/director/tools/muapi_video.py
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📐 Maintainability & Code Quality | 🟡 Minor
🧩 Analysis chain
🏁 Script executed:
#!/bin/bash set -euo pipefail # Locate and inspect the target file around the referenced lines. git ls-files backend/director/tools/muapi_video.py wc -l backend/director/tools/muapi_video.py sed -n '110,230p' backend/director/tools/muapi_video.py
Repository: video-db/Director
Length of output: 4157
🏁 Script executed:
#!/bin/bash set -euo pipefail # Check for any surrounding handling patterns in the file for KeyError chaining. rg -n "except KeyError|raise .* from e|request_id|str\\(e\\)" backend/director/tools/muapi_video.py
Repository: video-db/Director
Length of output: 990
🏁 Script executed:
#!/bin/bash set -euo pipefail # Lightweight behavioral probe: confirm Python exception chaining semantics for the exact pattern. python3 - <<'PY' try: try: raise KeyError("x") except KeyError as e: raise Exception("wrapped") from e except Exception as exc: print(type(exc).__name__) print(type(exc.__cause__).__name__ if exc.__cause__ else None) PY
Repository: video-db/Director
Length of output: 174
Preserve the KeyError chain
_submit wraps the KeyError but drops the original traceback. Bind the exception and re-raise with from e so the source failure is preserved.
Proposed fix
- except KeyError: + except KeyError as e: raise Exception( f"MuAPI did not return a request_id. Response: {resp.text}" - ) + ) from e
📝 Committable suggestion
!!️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
🧰 Tools
🪛 Ruff (0.15.18)
[warning] 130-132: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling
(B904)
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@backend/director/tools/muapi_video.py` around lines 129 - 132, The _submit
error handling in muapi_video.py currently catches KeyError but loses the
original exception context. Update the KeyError handler in the _submit flow to
bind the exception as a variable and re-raise the new Exception with explicit
chaining from that caught KeyError so the traceback and source failure are
preserved.
Source: Linters/SAST tools
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Summary
Adds a new video generation tool backed by muapi.ai — a generative media API aggregator that provides unified access to 400+ models across multiple providers.
What this adds
backend/director/tools/muapi_video.py—MuApiVideoGenerationToolclass withtext_to_video()andimage_to_video()methodsfal_video.py,kling.py, etc.)Usage
Get an API key at muapi.ai/dashboard/api-keys.
Summary by CodeRabbit