94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
"""HTTP client for YiSaiQi callbacks into the state center."""
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from __future__ import annotations
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import json
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from typing import Any, Callable
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from urllib.error import HTTPError
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from urllib.parse import quote
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from urllib.request import Request, urlopen
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JsonDict = dict[str, Any]
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Opener = Callable[[Request, float], Any]
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class StateCenterError(RuntimeError):
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def __init__(self, status: int, detail: Any):
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super().__init__(f"state center returned {status}: {detail}")
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self.status = status
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self.detail = detail
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class StateCenterClient:
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def __init__(
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self,
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base_url: str,
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token: str,
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*,
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timeout: float = 15,
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opener: Opener | None = None,
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):
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self.base_url = base_url.rstrip("/")
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self.token = token
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self.timeout = timeout
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self._opener = opener or _urlopen_with_timeout
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def start_node(
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self,
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job_id: str,
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node_code: str,
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*,
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attempt_no: int = 1,
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operator: str = "agent",
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) -> JsonDict:
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return self._post(
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f"/api/jobs/{_path_part(job_id)}/nodes/{_path_part(node_code)}/start",
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{
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"attemptNo": attempt_no,
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"executorPlatform": "iS-RPA",
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"operator": operator,
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},
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)
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def complete_node(
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self,
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job_id: str,
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node_code: str,
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payload: JsonDict,
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) -> JsonDict:
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return self._post(f"/api/jobs/{_path_part(job_id)}/nodes/{_path_part(node_code)}/complete", payload)
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def fail_node(
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self,
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job_id: str,
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node_code: str,
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payload: JsonDict,
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) -> JsonDict:
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return self._post(f"/api/jobs/{_path_part(job_id)}/nodes/{_path_part(node_code)}/fail", payload)
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def _post(self, path: str, payload: JsonDict) -> JsonDict:
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data = json.dumps(payload, ensure_ascii=False).encode("utf-8")
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request = Request(
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f"{self.base_url}{path}",
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data=data,
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headers={
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"Content-Type": "application/json",
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"X-Agent-Token": self.token,
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},
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method="POST",
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)
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try:
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with self._opener(request, self.timeout) as response:
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raw = response.read().decode("utf-8")
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except HTTPError as exc:
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detail = exc.read().decode("utf-8", errors="replace")
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raise StateCenterError(exc.code, detail) from exc
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return json.loads(raw) if raw else {}
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def _path_part(value: str) -> str:
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return quote(value, safe="")
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def _urlopen_with_timeout(request: Request, timeout: float) -> Any:
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return urlopen(request, timeout=timeout)
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