78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
"""Client for the external LogStorm attendance analyzer API."""
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from dataclasses import dataclass
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from typing import Any, Optional
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import requests
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from django.conf import settings
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class LogStormClientError(RuntimeError):
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"""Raised when LogStorm cannot process an attendance request."""
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@dataclass(frozen=True)
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class LogStormConfig:
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base_url: str
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token: str = ""
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timeout: int = 30
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def load_logstorm_config() -> LogStormConfig:
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return LogStormConfig(
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base_url=getattr(
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settings, "LOGSTORM_API_URL", "http://127.0.0.1:8000"
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).rstrip("/"),
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token=getattr(settings, "LOGSTORM_API_TOKEN", ""),
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timeout=getattr(settings, "LOGSTORM_TIMEOUT_SECONDS", 30),
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)
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class LogStormClient:
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"""Small synchronous client for EUSRR -> LogStorm calls."""
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def __init__(
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self,
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config: Optional[LogStormConfig] = None,
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session: Optional[requests.Session] = None,
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):
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self.config = config or load_logstorm_config()
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self.session = session or requests.Session()
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def analyze_attendance(self, payload: dict[str, Any]) -> dict[str, Any]:
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response = self.session.post(
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self._url("/attendance/analyze"),
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json=payload,
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headers=self._headers(),
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timeout=self.config.timeout,
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)
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if not response.ok:
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raise LogStormClientError(
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f"LogStorm API returned HTTP {response.status_code}: "
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f"{response.text}"
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)
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try:
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return response.json()
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except ValueError as exc:
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raise LogStormClientError("LogStorm API returned invalid JSON") from exc
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def health(self) -> bool:
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try:
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response = self.session.get(
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self._url("/health"),
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headers=self._headers(),
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timeout=self.config.timeout,
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)
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except requests.RequestException:
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return False
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return response.ok
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def _url(self, path: str) -> str:
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return f"{self.config.base_url}/{path.lstrip('/')}"
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def _headers(self) -> dict[str, str]:
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headers = {"Accept": "application/json"}
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if self.config.token:
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headers["Authorization"] = f"Bearer {self.config.token}"
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return headers
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