APIを利用して、CodeforcesとTopCoder SRMにおける自分のRating変化を取得するPythonスクリプト。例外処理等が不十分なので注意。ライブラリとしてRequestsが必要。

cpr.py

#!/usr/bin/env python3

import collections
import requests


CF_ENTRYPOINT = "http://codeforces.com/api/user.rating"
TC_ENTRYPOINT = "http://api.topcoder.com/v2/users/{}/statistics/data/srm"
RatingInfo = collections.namedtuple("RatingInfo", "old new delta")


class APIError(Exception):
    pass


def get_result_json(entrypoint, params=None):
    req = requests.get(entrypoint, params)
    if req.status_code != 200:
        raise APIError("HTTP {}".format(req.status_code))
    else:
        return req.json()


def get_cf_rating(handle):
    res = get_result_json(CF_ENTRYPOINT, params={"handle": handle})
    if res["status"] != "OK":
        raise APIError("{}: {}".format(res["status"], res["comment"]))
    if not res["result"]:
        raise ValueError("No rating data")
    last_change = res["result"][-1]
    old = last_change["oldRating"]
    new = last_change["newRating"]
    delta = new - old
    return RatingInfo(old, new, delta)


def get_tc_rating(handle):
    res = get_result_json(TC_ENTRYPOINT.format(handle))
    new = res["rating"]
    old = res["History"][-2]["rating"]
    return RatingInfo(old, new, new - old)


def main():
    # ここをあなたのハンドルに変更
    cf_handle = "hamukichi"
    tc_handle = "hamukichi_nbr"
    print("Codeforces: {} -> {} ({:+d})".format(*get_cf_rating(cf_handle)))
    print("TopCoder SRM: {} -> {} ({:+d})".format(*get_tc_rating(tc_handle)))


if __name__ == '__main__':
    main()