{"record":{"id":"3c97106fd56c6a41","repo":"headroomlabs-ai/headroom","slug":"sse-event-max-bytes-env-must-be-an-integer-got","errorCode":null,"errorMessage":"{SSE_EVENT_MAX_BYTES_ENV} must be an integer, got {raw!r}","messagePattern":"(.+?) must be an integer, got (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"headroom/proxy/request_limit_policy.py","lineNumber":19,"sourceCode":"\"\"\"Validation policy for proxy request and stream limits.\"\"\"\n\nfrom __future__ import annotations\n\nSSE_EVENT_MAX_BYTES_ENV = \"HEADROOM_SSE_BUFFER_MAX_BYTES\"\nSSE_EVENT_MAX_BYTES_DEFAULT = 1 * 1024 * 1024\n\nBODY_TOO_LARGE_STATUS_ENV = \"HEADROOM_PROXY_BODY_TOO_LARGE_STATUS\"\nBODY_TOO_LARGE_STATUS_DEFAULT = 413\n\n\ndef resolve_sse_event_max_bytes(raw: str | None) -> int:\n    \"\"\"Resolve the per-event SSE size cap from an optional env string.\"\"\"\n    if raw is None or raw == \"\":\n        return SSE_EVENT_MAX_BYTES_DEFAULT\n    try:\n        value = int(raw)\n    except ValueError as exc:\n        raise ValueError(f\"{SSE_EVENT_MAX_BYTES_ENV} must be an integer, got {raw!r}\") from exc\n    if value <= 0:\n        raise ValueError(f\"{SSE_EVENT_MAX_BYTES_ENV} must be positive, got {value}\")\n    return value\n\n\ndef resolve_body_too_large_status(raw: str | None) -> int:\n    \"\"\"Resolve the HTTP status code for body-too-large rejections.\"\"\"\n    if raw is None or raw == \"\":\n        return BODY_TOO_LARGE_STATUS_DEFAULT\n    try:\n        value = int(raw)\n    except ValueError as exc:\n        raise ValueError(f\"{BODY_TOO_LARGE_STATUS_ENV} must be an integer, got {raw!r}\") from exc\n    if not 400 <= value < 600:\n        raise ValueError(f\"{BODY_TOO_LARGE_STATUS_ENV} must be a 4xx/5xx status, got {value}\")\n    return value\n","sourceCodeStart":1,"sourceCodeEnd":36,"githubUrl":"https://github.com/headroomlabs-ai/headroom/blob/322425c43bffde1ed0b64fecf3cf5951565dd82b/headroom/proxy/request_limit_policy.py#L1-L36","documentation":"resolve_sse_event_max_bytes parses HEADROOM_PROXY_SSE_EVENT_MAX_BYTES and requires an integer string. Values like '10mb', '1.5', or empty-with-spaces fail int() and raise with the offending raw value. Unset or empty string returns the default.","triggerScenarios":"Setting HEADROOM_PROXY_SSE_EVENT_MAX_BYTES to a non-integer such as '10kb', '1e6', '1.5', or 'large'.","commonSituations":"Operators copying size limits formatted like nginx's client_max_body_size; expect unit suffixes that this parser does not support.","solutions":["Use a plain decimal integer, e.g. 1048576.","Unset the variable to accept the default.","Convert units (MB -> bytes) before exporting."],"exampleFix":"# before\nexport HEADROOM_PROXY_SSE_EVENT_MAX_BYTES=1MB\n\n# after\nexport HEADROOM_PROXY_SSE_EVENT_MAX_BYTES=1048576","handlingStrategy":"validation","validationCode":"raw = os.environ.get(\"HEADROOM_PROXY_SSE_EVENT_MAX_BYTES\")\nif raw not in (None, \"\"):\n    try:\n        int(raw)\n    except ValueError:\n        raise SystemExit(\"SSE_EVENT_MAX_BYTES must be a plain integer\")","typeGuard":"def parses_as_int(raw: str | None) -> bool:\n    if raw in (None, \"\"):\n        return True\n    try:\n        int(raw)\n        return True\n    except ValueError:\n        return False","tryCatchPattern":"from headroom.proxy.request_limit_policy import resolve_sse_event_max_bytes\ntry:\n    cap = resolve_sse_event_max_bytes(raw)\nexcept ValueError as e:\n    abort_with(e)","preventionTips":["Export raw byte counts, never '10kb' style suffixes.","Unset the variable to accept defaults."],"tags":["env","validation","sse"],"backgroundTag":null,"analyzedSha":"322425c43bffde1ed0b64fecf3cf5951565dd82b","analyzedAt":"2026-08-15T01:03:05.481Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}