#!/usr/bin/env python3
"""Fetch a real upstream native SchDoc; checksum-pin it and never redistribute."""
import hashlib
from pathlib import Path
from urllib.request import urlopen
URL='https://raw.githubusercontent.com/KiCad/kicad-source-mirror/master/qa/data/eeschema/plugins/altium/issue24861/Channel.SchDoc'
SHA='e7dc42a4e983e6b716f6883eb0863fe47164d941636e11b1f2b5ec5d0143dca4'
root=Path(__file__).resolve().parents[1]
target=root/'.runtime/fixtures/Channel.SchDoc'
if not target.exists() or hashlib.sha256(target.read_bytes()).hexdigest()!=SHA:
    with urlopen(URL,timeout=30) as response: data=response.read(4*1024*1024)
    if hashlib.sha256(data).hexdigest()!=SHA: raise SystemExit('Upstream fixture changed; review before updating expected hash')
    target.parent.mkdir(parents=True,exist_ok=True); target.write_bytes(data)
print(target)