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#!/usr/bin/env -S python3
from __future__ import annotations # PEP 585 for Python 3.7 and 3.8
import logging
import requests
import time
import typing
import urllib.parse
ATW="https://wiki.archiveteam.org/"
ATAPI = ATW + "api.php"
def get_new(newestRc: typing.Optional[tuple[str, int]]) -> tuple[list[dict], tuple[str, int]]:
'''
Fetches edits made after newestRc = (newestTimestamp, newestRcId), which shall both refer to the last change already known/processed.
newestTimestamp is a timestamp in YYYY-MM-DDTHH:MM:SSZ format; newestRcId is the internal ID of the change.
The return value are the list of changes after newestRcId in chronological order (as returned by MW), and a new (newestTimestamp, newestRcId) tuple.
If newestRc is None, this returns an empty list of changes and the timestamp and rev ID of the most recent edit (for initialisation of a feed).
'''
logging.info(f'Fetching with newestRc = {newestRc!r}')
if newestRc is None:
newestTimestamp, newestRcId = None, None
else:
newestTimestamp, newestRcId = newestRc
rcend = f'&rcend={newestTimestamp}' if newestTimestamp else ''
r = requests.get(f'{ATAPI}?action=query&list=recentchanges&rcdir=older&format=json&rcprop=user|comment|timestamp|sizes|title|flags|ids|loginfo&continue=&rclimit=500{rcend}',
timeout = 5,
)
r.raise_for_status()
o = r.json()
if not o['query']['recentchanges']:
return [], (newestTimestamp, newestRcId)
rc = o['query']['recentchanges']
changes = []
if newestRcId is not None:
for c in rc:
if c['rcid'] <= newestRcId:
break
changes.append(c)
return changes[::-1], (rc[0]['timestamp'], rc[0]['rcid'])
def truncate(s: str, limit: int) -> str:
'''If s is longer than limit, split on words and return a truncated version no longer than limit.'''
if len(s) <= limit:
return s
words = s.split(' ')
trunLength = 0
trun = []
while words and trunLength + 1 + len(words[0]) < limit - 1:
word = words.pop(0)
trunLength += 1 + len(word)
trun.append(word)
return f'{" ".join(trun)}…'
def format_change(change: dict) -> typing.Optional[str]:
'''Formats a change for posting to IRC. Returns None if it's an event that isn't handled and not to be reported to IRC.'''
title = change['title']
urlSafeTitle = urllib.parse.quote(change['title'])
url = None
if change['type'] == 'new':
verb = 'created'
url = f'{ATW}?title={urlSafeTitle}&oldid={change["revid"]}'
elif change['type'] == 'edit':
verb = 'edited'
url = f'{ATW}?title={urlSafeTitle}&diff={change["revid"]}&oldid={change["old_revid"]}'
elif change['type'] == 'log' and change['logtype'] == 'delete':
verb = 'deleted'
url = ''
elif change['type'] == 'log' and change['logtype'] == 'move':
verb = 'moved'
title = f'{change["logparams"]["target_title"]} (from {change["title"]})'
url = f'{ATW}?title={urllib.parse.quote(change["logparams"]["target_title"])}'
else:
return
comment = change["comment"] if change["comment"] else ''
url = f'{url}' if url else ''
return f'AT Wiki | {title} was {verb} by {change["user"]} at {change["timestamp"]} | {comment} | {url}'
def main():
# Get initial TS/rcid tuple
_, newestRc = get_new(None)
time.sleep(60)
while True:
try:
changes, newestRc = get_new(newestRc)
except Exception as e:
logging.error('get_new failed', exc_info = e)
time.sleep(60)
continue
for change in changes:
formatted = format_change(change)
if formatted:
print(formatted, flush = True)
else:
logging.warning(f'Suppressed change because it was un- or ill-formatted: {change!r}')
time.sleep(60)
if __name__ == '__main__':
logging.basicConfig(
format = '{asctime}.{msecs:03.0f} {levelname} {name} {message}',
datefmt = '%Y-%m-%d %H:%M:%S',
style = '{',
level = logging.INFO,
)
main()
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