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fix: friendlier error messages for missing/gated Hugging Face repos (401/404) #16

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Merged
pipe1os merged 1 commit into from
Jun 12, 2026
Merged

fix: friendlier error messages for missing/gated Hugging Face repos (401/404) #16

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8 changes: 5 additions & 3 deletions src/modelinfo/parsers/huggingface.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,9 +43,9 @@ def _make_request(url: str, headers: Dict[str, str] = None) -> bytes:
return response.read()
except urllib.error.HTTPError as e:
if e.code == 401:
raise PermissionError(f"Gated Model or Invalid Token: Please set HF_TOKEN environment variable to access {url}")
raise PermissionError(f"Gated/Private Model or Invalid Token (401 Unauthorized). Set the HF_TOKEN environment variable to access {url}")
if e.code == 404:
raise FileNotFoundError(f"File not found on Hugging Face Hub: {url}")
raise FileNotFoundError(f"Could not find repository or file on Hugging Face (404 Not Found): {url}")
raise

def _fetch_safetensors_header(repo_id: str, filename: str) -> Dict[str, Any]:
Expand Down Expand Up @@ -86,7 +86,9 @@ def fetch_huggingface_repo(repo_id: str, fetch_tensors: bool = False) -> Tuple[D
api_data = json.loads(_make_request(api_url).decode("utf-8"))
except urllib.error.HTTPError as e:
if e.code == 401:
raise PermissionError(f"Gated Model: Please set HF_TOKEN environment variable to access {repo_id}")
raise PermissionError(f"Gated/Private Model (401 Unauthorized). Set the HF_TOKEN environment variable to access {repo_id}")
if e.code == 404:
raise FileNotFoundError(f"Could not find repository on Hugging Face (404 Not Found): {repo_id}")
raise

siblings = api_data.get("siblings", [])
Expand Down
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