HPI/coding/codeforces.py
2019-04-04 22:30:54 +01:00

108 lines
2.3 KiB
Python

#!/usr/bin/env python3
from datetime import datetime
from typing import NamedTuple
from pathlib import Path
import json
from typing import Dict, Iterator, Any
from kython import cproperty, fget
from kython.konsume import dell, zoom, keq, akeq
from kython.kerror import Res, ytry, unwrap
from kython.kdatetime import as_utc
_BDIR = Path('/L/Dropbox/data/codeforces')
Cid = int
class Contest(NamedTuple):
cid: Cid
when: datetime
@classmethod
def make(cls, j) -> 'Contest':
return cls(
cid=j['id'],
when=as_utc(j['startTimeSeconds']),
)
Cmap = Dict[Cid, Contest]
def get_contests() -> Cmap:
last = max(_BDIR.glob('allcontests*.json'))
j = json.loads(last.read_text())
d = {}
for c in j['result']:
cc = Contest.make(c)
d[cc.cid] = cc
return d
def get_latest():
last = max(_BDIR.glob('codeforces*.json'))
return json.loads(last.read_text())
class Competition(NamedTuple):
json: Dict[str, Any]
cmap: Cmap
@cproperty
def uid(self) -> str:
return self.contest_id
@property
def contest_id(self):
return self.json['contestId']
def __hash__(self):
return hash(self.contest_id)
@cproperty
def when(self) -> datetime:
return self.cmap[self.uid].when
@cproperty
def contest(self) -> str:
return self.json['contestName']
@cproperty
def summary(self) -> str:
return f'participated in {self.contest}' # TODO
@classmethod
def make(cls, cmap, json) -> Iterator[Res['Competition']]:
yield cls(cmap=cmap, json=json)
yield from ytry(lambda: akeq(json, 'contestId', 'contestName', 'rank', 'oldRating', 'newRating'))
def iter_data() -> Iterator[Res[Competition]]:
cmap = get_contests()
j = get_latest()
dell(j, 'status')
j = zoom(j, 'result')
for c in j:
dell(c, 'handle', 'ratingUpdateTimeSeconds')
yield from Competition.make(cmap=cmap, json=c)
def get_data():
return list(sorted(iter_data(), key=fget(Competition.when)))
def main():
for d in iter_data():
try:
d = unwrap(d)
except Exception as e:
print(f'ERROR! {d}')
else:
print(f'{d.when}: {d.summary}')
if __name__ == '__main__':
main()