{"record":{"id":"ade46d493e1a7b48","repo":"openai/openai-python","slug":"expected-a-non-empty-value-for-file-id-but-recei","errorCode":null,"errorMessage":"Expected a non-empty value for `file_id` but received {file_id!r}","messagePattern":"Expected a non-empty value for `file_id` but received (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"src/openai/resources/containers/files/content.py","lineNumber":70,"sourceCode":"        extra_body: Body | None = None,\n        timeout: float | httpx2.Timeout | None | NotGiven = not_given,\n    ) -> _legacy_response.HttpxBinaryResponseContent:\n        \"\"\"\n        Retrieve Container File Content\n\n        Args:\n          extra_headers: Send extra headers\n\n          extra_query: Add additional query parameters to the request\n\n          extra_body: Add additional JSON properties to the request\n\n          timeout: Override the client-level default timeout for this request, in seconds\n        \"\"\"\n        if not container_id:\n            raise ValueError(f\"Expected a non-empty value for `container_id` but received {container_id!r}\")\n        if not file_id:\n            raise ValueError(f\"Expected a non-empty value for `file_id` but received {file_id!r}\")\n        extra_headers = {\"Accept\": \"application/binary\", **(extra_headers or {})}\n        return self._get(\n            path_template(\n                \"/containers/{container_id}/files/{file_id}/content\", container_id=container_id, file_id=file_id\n            ),\n            options=make_request_options(\n                extra_headers=extra_headers,\n                extra_query=extra_query,\n                extra_body=extra_body,\n                timeout=timeout,\n                security={\"bearer_auth\": True},\n            ),\n            cast_to=_legacy_response.HttpxBinaryResponseContent,\n        )\n\n\nclass AsyncContent(AsyncAPIResource):\n    @cached_property","sourceCodeStart":52,"sourceCodeEnd":88,"githubUrl":"https://github.com/openai/openai-python/blob/9917c6e28e66e90e1227b3d223c06a8c5441515a/src/openai/resources/containers/files/content.py#L52-L88","documentation":"The OpenAI Python SDK validates required path parameters before sending the request; `file_id` was falsy (None or empty string) when calling containers.files.content.retrieve. The SDK refuses to build the URL `/containers/{container_id}/files/{file_id}/content` with an empty segment.","triggerScenarios":"Calling retrieve(container_id, '') or retrieve(container_id, None) for container file content download; passing a file object instead of its .id; using an unset variable.","commonSituations":"Confusing the uploaded File object with its id string; forgetting to capture file.id from the create response; empty form/env input flowing into the call.","solutions":["Pass the file's id string (e.g. file_obj.id), not the object or an empty variable","Validate file_id before the call: if not file_id: ...","Log the value right before the call to confirm what is being passed"],"exampleFix":"// before\ncontent = client.containers.files.content.retrieve(container_id, file_id=\"\").parse()\n// after\nif not file_id:\n    raise ValueError(\"file_id is required\")\ncontent = client.containers.files.content.retrieve(container_id, file_id).parse()","handlingStrategy":"validation","validationCode":"if not file_id:\n    raise ValueError(\"file_id is required to download container file content\")","typeGuard":"def has_file_id(file_id: str | None) -> bool:\n    return isinstance(file_id, str) and len(file_id) > 0","tryCatchPattern":"try:\n    content = client.containers.files.content.retrieve(container_id, file_id).parse()\nexcept ValueError as e:\n    if \"file_id\" in str(e):\n        return 400, str(e)\n    raise","preventionTips":["Store file.id immediately after upload and pass that string","Distinguish File objects from their ids in your data model","Add unit tests asserting ids are non-empty before SDK calls"],"tags":["openai","python","validation","containers","path-parameter"],"backgroundTag":"missing-required-parameter","analyzedSha":"9917c6e28e66e90e1227b3d223c06a8c5441515a","analyzedAt":"2026-08-28T11:46:34.183Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}