import base64 import json import os from typing import Dict from typing import Any from typing import List from dataclasses import dataclass import flask import requests from datetime import datetime POUSSETACHES_AUTH_KEY = os.getenv("POUSSETACHES_AUTH_KEY") @dataclass class Task: req_id: str tries: int payload: Any @dataclass class GetTask: payload: Any expected: int task_id: str next_run: datetime tries: int url: str last_error_status_code: int last_error_body: str class PousseTaches: def __init__(self, api_url: str, base_url: str) -> None: self.api_url = api_url self.base_url = base_url def push(self, payload: Any, path: str, expected=200) -> str: # Encode our payload p = base64.b64encode(json.dumps(payload).encode()).decode() # Queue/push it resp = requests.post( self.api_url, json={"url": self.base_url + path, "payload": p, "expected": expected}, ) resp.raise_for_status() return resp.headers["Poussetaches-Task-ID"] def parse(self, req: flask.Request) -> Task: if req.headers.get("Poussetaches-Auth-Key") != POUSSETACHES_AUTH_KEY: raise ValueError("Bad auth key") # Parse the "envelope" envelope = json.loads(req.data) print(req) print(f"envelope={envelope!r}") payload = json.loads(base64.b64decode(envelope["payload"])) return Task(req_id=envelope["req_id"], tries=envelope["tries"], payload=payload) # type: ignore @staticmethod def _expand_task(t: Dict[str, Any]) -> None: try: t["payload"] = json.loads(base64.b64decode(t["payload"])) except json.JSONDecodeError: t["payload"] = base64.b64decode(t["payload"]).decode() if t["last_error_body"]: t["last_error_body"] = base64.b64decode(t["last_error_body"]).decode() t["next_run"] = datetime.fromtimestamp(float(t["next_run"] / 1e9)) if t["last_run"]: t["last_run"] = datetime.fromtimestamp(float(t["last_run"] / 1e9)) else: del t["last_run"] def _get(self, where: str) -> List[GetTask]: out = [] resp = requests.get(self.api_url + f"/{where}") resp.raise_for_status() dat = resp.json() for t in dat["tasks"]: self._expand_task(t) out.append(GetTask( task_id=t["id"], payload=t["payload"], expected=t["expected"], tries=t["tries"], url=t["url"], last_error_status_code=t["last_error_status_code"], last_error_body=t["last_error_body"], next_run=t["next_run"], )) return out def get_success(self) -> List[GetTask]: return self._get("success") def get_waiting(self) -> List[GetTask]: return self._get("waiting") def get_dead(self) -> List[GetTask]: return self._get("dead")