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#!/usr/bin/env python3
# monitor stream APIs for any changes, so I can check they don't break anything
# run via cronjob every now and then
import difflib
import os
import sys
import xml.etree.ElementTree as ET
from datetime import datetime
import requests
s = requests.Session()
DISCORD_WEBHOOK = "PUT WEBHOOK HERE"
STREAMS_API = "https://radiko.jp/v3/station/stream/{device}/{station}.xml"
if len(sys.argv) > 1:
PATH = sys.argv[1]
else:
PATH = ""
devices = ('pc_html5', 'aSmartPhone7a', 'aSmartPhone8')
stations = ('FMT', 'CCL', 'NORTHWAVE', 'TBS')
def format_xml(txt):
root = ET.fromstring(txt)
res = ""
for el in root.findall("url"):
res += el.find("playlist_create_url").text
for k, v in el.attrib.items():
res += f" {k}:{v}"
res += "\n"
return res
for device in devices:
for station in stations:
url = STREAMS_API.format(device=device, station=station)
now_response = s.get(url)
now = now_response.text
now_modified = now_response.headers["last-modified"]
now_datetime = datetime.strptime(now_modified, "%a, %d %b %Y %H:%M:%S %Z")
filename = f"{PATH}{station}-{device}.xml"
with open(filename, "a+") as f:
f.seek(0)
past = f.read()
modtime = datetime.fromtimestamp(os.path.getmtime(filename))
diff = difflib.unified_diff(
format_xml(past).splitlines(), format_xml(now).splitlines(),
fromfile=url, tofile=url,
fromfiledate=str(modtime), tofiledate=str(now_datetime.now()),
)
diff_str = "\n".join(diff)
if diff_str != "":
f.truncate(0)
f.write(now)
s.post(DISCORD_WEBHOOK, json={
"content": f"**Streams changed: {station} {device}**\n" + "\n".join(("```diff", diff_str, "```")),
})
os.utime(filename, (now_datetime.timestamp(), now_datetime.timestamp()))
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