def from_url(cls, s: str) -> Optional['AtCoderProblem']:
# example: http://agc012.contest.atcoder.jp/tasks/agc012_d
result = urllib.parse.urlparse(s)
dirname, basename = posixpath.split(utils.normpath(result.path))
if result.scheme in ('', 'http', 'https') \
and result.netloc.count('.') == 3 \
and result.netloc.endswith('.contest.atcoder.jp') \
and result.netloc.split('.')[0] \
and dirname == '/tasks' \
and basename:
contest_id = result.netloc.split('.')[0]
problem_id = basename
return cls(contest_id, problem_id)
# example: https://beta.atcoder.jp/contests/abc073/tasks/abc073_a
m = re.match(r'^/contests/([\w\-_]+)/tasks/([\w\-_]+)$',
utils.normpath(result.path))
if result.scheme in ('', 'http', 'https') \
and result.netloc in ('atcoder.jp', 'beta.atcoder.jp') \
and m:
contest_id = m.group(1)
problem_id = m.group(2)
return cls(contest_id, problem_id)
return None
def from_url(cls, s: str) -> Optional['AtCoderSubmission']:
submission_id = None # type: Optional[int]
# example: http://agc001.contest.atcoder.jp/submissions/1246803
result = urllib.parse.urlparse(s)
dirname, basename = posixpath.split(utils.normpath(result.path))
if result.scheme in ('', 'http', 'https') \
and result.netloc.count('.') == 3 \
and result.netloc.endswith('.contest.atcoder.jp') \
and result.netloc.split('.')[0] \
and dirname == '/submissions':
contest_id = result.netloc.split('.')[0]
try:
submission_id = int(basename)
except ValueError:
pass
submission_id = None
if submission_id is not None:
return cls(contest_id=contest_id, submission_id=submission_id)
# example: https://beta.atcoder.jp/contests/abc073/submissions/1592381
m = re.match(r'^/contests/([\w\-_]+)/submissions/(\d+)$', utils.normpath(result.path))
if result.scheme in ('', 'http', 'https') \
and result.netloc in ('atcoder.jp', 'beta.atcoder.jp') \
and m:
contest_id = m.group(1)
try:
submission_id = int(m.group(2))
except ValueError:
submission_id = None
if submission_id is not None:
return cls(contest_id=contest_id, submission_id=submission_id)
return None
def from_url(cls, url: str) -> Optional['TopcoderProblem']:
# example: https://arena.topcoder.com/index.html#/u/practiceCode/14230/10838/10760/1/303803
# example: https://community.topcoder.com/stat?c=problem_statement&pm=10760
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https'):
if result.netloc == 'arena.topcoder.com' and utils.normpath(
result.path) in ('/', '/index.html'):
dirs = utils.normpath(result.fragment).split('/')
if len(dirs) == 8 and dirs[0] == '' and dirs[
1] == 'u' and dirs[2] == 'practiceCode':
try:
_ = int(dirs[3]) # round_id
_ = int(dirs[4]) # component_id
problem_id = int(dirs[5])
_ = int(dirs[6]) # division_id
_ = int(dirs[7]) # room_id
except ValueError:
pass
else:
return cls(problem_id=problem_id)
if result.netloc == 'community.topcoder.com' and utils.normpath(
result.path) == '/stat':
query = urllib.parse.parse_qs(result.query)
if query.get('c') == ['problem_statement'] and len(
query.get('pm', [])) == 1:
try:
problem_id = int(query['pm'][0])
except ValueError:
pass
else:
return cls(problem_id=problem_id)
return None
def from_url(cls, url: str) -> Optional['FacebookHackerCupProblem']:
# removed format
# example: https://www.facebook.com/hackercup/problem/448364075989193/
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'www.facebook.com' \
and utils.normpath(result.path).startswith('/hackercup/problem/'):
dirs = utils.normpath(result.path).split('/')
if len(dirs) > 3 and dirs[3].isdigit():
logger.warning(
'The old platform of Facebook Hacker Cup has been replaced. See https://github.com/online-judge-tools/api-client/issues/84'
)
# new format
# example: https://www.facebook.com/codingcompetitions/hacker-cup/2020/qualification-round/problems/A
dirs = utils.normpath(result.path).split('/')
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'www.facebook.com' \
and len(dirs) >= 7 and dirs[1] == 'codingcompetitions' and dirs[5] == 'problems':
return cls(
series_vanity=dirs[2],
season_vanity=dirs[3],
contest_vanity=dirs[4],
display_index=dirs[6],
)
return None
def from_url(cls, url: str) -> Optional['AOJProblem']:
result = urllib.parse.urlparse(url)
# example: http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=1169
# example: http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_1_A&lang=jp
querystring = urllib.parse.parse_qs(result.query)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'judge.u-aizu.ac.jp' \
and utils.normpath(result.path) == '/onlinejudge/description.jsp' \
and querystring.get('id') \
and len(querystring['id']) == 1:
n, = querystring['id']
return cls(n)
# example: https://onlinejudge.u-aizu.ac.jp/challenges/sources/JAG/Prelim/2881
# example: https://onlinejudge.u-aizu.ac.jp/courses/library/4/CGL/3/CGL_3_B
m = re.match(
r'^/(challenges|courses)/(sources|library/\d+|lesson/\d+)/(\w+)/(\w+)/(\w+)$',
utils.normpath(result.path))
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'onlinejudge.u-aizu.ac.jp' \
and m:
n = m.group(5)
return cls(n)
# example: https://onlinejudge.u-aizu.ac.jp/services/room.html#RitsCamp18Day3/problems/B
# NOTE: I don't know how to retrieve the problem id
return None
def from_url(cls, url: str) -> Optional['FacebookHackerCupProblem']:
# example: https://www.facebook.com/hackercup/problem/448364075989193/
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'www.facebook.com' \
and utils.normpath(result.path).startswith('/hackercup/problem/'):
dirs = utils.normpath(result.path).split('/')
if 3 < len(dirs) and dirs[3].isdigit():
problem_id = int(dirs[3])
return cls(problem_id=problem_id)
return None
def from_url(cls, url: str) -> Optional['FacebookHackerCupService']:
# old format
# example: https://www.facebook.com/hackercup/
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'www.facebook.com' \
and utils.normpath(result.path).startswith('/hackercup'):
return cls()
# new format
# example: https://www.facebook.com/codingcompetitions/
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'www.facebook.com' \
and utils.normpath(result.path).startswith('/codingcompetitions'):
return cls()
return None
def from_url(cls, url: str) -> Optional['CodeforcesProblem']:
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc in _CODEFORCES_DOMAINS:
# "0" is needed. example: https://codeforces.com/contest/1000/problem/0
# "[1-9]?" is sometime used. example: https://codeforces.com/contest/1133/problem/F2
re_for_index = r'(0|[A-Za-z][1-9]?)'
table = {}
table['contest'] = r'^/contest/([0-9]+)/problem/{}$'.format(
re_for_index
) # example: https://codeforces.com/contest/538/problem/H
table['problemset'] = r'^/problemset/problem/([0-9]+)/{}$'.format(
re_for_index
) # example: https://codeforces.com/problemset/problem/700/B
table['gym'] = r'^/gym/([0-9]+)/problem/{}$'.format(
re_for_index
) # example: https://codeforces.com/gym/101021/problem/A
for kind, expr in table.items():
m = re.match(expr, utils.normpath(result.path))
if m:
if m.group(2) == '0':
index = 'A' # NOTE: This is broken if there was "A1".
else:
index = m.group(2).upper()
return cls(contest_id=int(m.group(1)),
index=index,
kind=kind)
return None
def get_available_languages(
self,
session: Optional[requests.Session] = None) -> List[Language]:
"""
:raises NotLoggedInError:
"""
session = session or utils.new_default_session()
# get
url = 'http://{}.contest.atcoder.jp/submit'.format(self.contest_id)
resp = _request('GET', url, session=session)
msgs = AtCoderService._get_messages_from_cookie(resp.cookies)
if AtCoderService._report_messages(msgs, unexpected=True):
return []
# check whether logged in
path = utils.normpath(urllib.parse.urlparse(resp.url).path)
if path.startswith('/login'):
log.error('not logged in')
raise NotLoggedInError
# parse
soup = bs4.BeautifulSoup(resp.content.decode(resp.encoding),
utils.html_parser)
select = soup.find(
'select', class_='submit-language-selector'
) # NOTE: AtCoder can vary languages depending on tasks, even in one contest. here, ignores this fact.
languages = [] # type: List[Language]
for option in select.find_all('option'):
languages += [Language(option.attrs['value'], option.string)]
return languages
def from_url(cls, url: str) -> Optional['GoogleCodeJamProblem']:
# example: https://codingcompetitions.withgoogle.com/codejam/round/000000000019fd27/000000000020993c
# example: https://codingcompetitions.withgoogle.com/kickstart/round/000000000019ffc7/00000000001d3f56
# example: https://code.google.com/codejam/contest/7234486/dashboard
# example: https://code.google.com/codejam/contest/7234486/dashboard#s=p0
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https'):
dirs = utils.normpath(result.path).split('/')
if result.netloc == 'codingcompetitions.withgoogle.com':
if len(dirs) >= 5 and dirs[2] == 'round' and all(
c in string.hexdigits
for c in dirs[3]) and all(c in string.hexdigits
for c in dirs[4]):
return cls(domain=result.netloc,
kind=dirs[1],
contest_id=dirs[3],
problem_id=dirs[4])
if result.netloc == 'code.google.com':
if len(dirs) >= 5 and dirs[2] == 'contest' and dirs[3].isdigit(
) and dirs[4] == 'dashboard':
if result.fragment == '' or re.match(
r'^s=p\d+$', result.fragment):
problem_id = (result.fragment or 's=p0')[2:]
return cls(domain=result.netloc,
kind=dirs[1],
contest_id=dirs[3],
problem_id=problem_id)
return None
def from_url(cls, url: str) -> Optional['AtCoderContest']:
"""
:param url: example:
- https://kupc2014.contest.atcoder.jp/tasks/kupc2014_d
- https://atcoder.jp/contests/agc030
"""
result = urllib.parse.urlparse(url)
# example: https://kupc2014.contest.atcoder.jp/tasks/kupc2014_d
if result.scheme in (
'', 'http',
'https') and result.hostname.endswith('.contest.atcoder.jp'):
contest_id = utils.remove_suffix(result.hostname,
'.contest.atcoder.jp')
return cls(contest_id)
# example: https://atcoder.jp/contests/agc030
if result.scheme in ('', 'http', 'https') and result.hostname in (
'atcoder.jp', 'beta.atcoder.jp'):
m = re.match(r'/contests/([\w\-_]+)/?.*',
utils.normpath(result.path))
if m:
contest_id = m.group(1)
return cls(contest_id)
return None
def from_url(cls, url: str) -> Optional['HackerRankProblem']:
# example: https://www.hackerrank.com/contests/university-codesprint-2/challenges/the-story-of-a-tree
# example: https://www.hackerrank.com/challenges/fp-hello-world
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc in ('hackerrank.com', 'www.hackerrank.com'):
m = re.match(
r'^/contests/([0-9A-Za-z-]+)/challenges/([0-9A-Za-z-]+)$',
utils.normpath(result.path))
if m:
return cls(m.group(1), m.group(2))
m = re.match(r'^/challenges/([0-9A-Za-z-]+)$',
utils.normpath(result.path))
if m:
return cls('master', m.group(1))
return None
def submit_code(self,
code: bytes,
language_id: LanguageId,
filename: Optional[str] = None,
session: Optional[requests.Session] = None) -> Submission:
"""
:raises NotLoggedInError:
:raises SubmissionError:
"""
assert language_id in [
language.id
for language in self.get_available_languages(session=session)
]
session = session or utils.new_default_session()
# get
url = 'http://{}.contest.atcoder.jp/submit'.format(
self.contest_id) # TODO: use beta.atcoder.jp
resp = _request('GET', url, session=session)
msgs = AtCoderService._get_messages_from_cookie(resp.cookies)
if AtCoderService._report_messages(msgs, unexpected=True):
raise SubmissionError
# check whether logged in
path = utils.normpath(urllib.parse.urlparse(resp.url).path)
if path.startswith('/login'):
log.error('not logged in')
raise NotLoggedInError
# parse
soup = bs4.BeautifulSoup(resp.content.decode(resp.encoding),
utils.html_parser)
form = soup.find('form', action=re.compile(r'^/submit\?task_id='))
if not form:
log.error('form not found')
raise SubmissionError
log.debug('form: %s', str(form))
# post
task_id = self._get_task_id(session=session)
form = utils.FormSender(form, url=resp.url)
form.set('task_id', str(task_id))
form.set('source_code', code)
form.set('language_id_{}'.format(task_id), str(language_id))
resp = form.request(session=session)
resp.raise_for_status()
# result
msgs = AtCoderService._get_messages_from_cookie(resp.cookies)
AtCoderService._report_messages(msgs)
if '/submissions/me' in resp.url:
# example: https://practice.contest.atcoder.jp/submissions/me#32174
# CAUTION: this URL is not a URL of the submission
log.success('success: result: %s', resp.url)
# NOTE: ignore the returned legacy URL and use beta.atcoder.jp's one
url = 'https://beta.atcoder.jp/contests/{}/submissions/me'.format(
self.contest_id)
return utils.DummySubmission(url, problem=self)
else:
log.failure('failure')
log.debug('redirected to %s', resp.url)
raise SubmissionError('it may be a rate limit')
def from_url(cls, url: str) -> Optional['AnarchyGolfProblem']:
# example: http://golf.shinh.org/p.rb?The+B+Programming+Language
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'golf.shinh.org' \
and utils.normpath(result.path) == '/p.rb' \
and result.query:
return cls(problem_id=result.query)
return None
def from_url(cls, url: str) -> Optional['AOJArenaProblem']:
# example: https://onlinejudge.u-aizu.ac.jp/services/room.html#RitsCamp19Day2/problems/A
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'onlinejudge.u-aizu.ac.jp' \
and utils.normpath(result.path) == '/services/room.html':
fragment = result.fragment.split('/')
if len(fragment) == 3 and fragment[1] == 'problems':
return cls(fragment[0], fragment[2].upper())
return None
def from_url(cls, url: str) -> Optional['GoogleCodeJamService']:
# example: https://codingcompetitions.withgoogle.com/
# example: https://code.google.com/codejam
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https'):
if result.netloc == 'codingcompetitions.withgoogle.com':
return cls()
if result.netloc == 'code.google.com':
dirs = utils.normpath(result.path).split('/')
if len(dirs) >= 2 and dirs[1] == 'codejam':
return cls()
return None
def from_url(cls, s: str) -> Optional['TophProblem']:
result = urllib.parse.urlparse(s)
dirname, basename = posixpath.split(utils.normpath(result.path))
# example: https://toph.co/p/new-year-couple
if result.scheme in ('', 'http', 'https') \
and result.netloc.count('.') == 1 \
and result.netloc.endswith('toph.co') \
and dirname == '/p' \
and basename:
problem_id = basename
return cls(problem_id)
return None
def from_url(cls, url: str) -> Optional['Contest']:
# example: https://yukicoder.me/contests/276
# example: http://yukicoder.me/contests/276/all
result = urllib.parse.urlparse(url)
dirs = utils.normpath(result.path).split('/')
if result.scheme in ('', 'http', 'https') and result.netloc == 'yukicoder.me':
if len(dirs) >= 3 and dirs[1] == 'contests':
try:
contest_id = int(dirs[2])
except ValueError:
pass
else:
return cls(contest_id=contest_id)
return None
def from_url(cls, url: str) -> Optional['POJProblem']:
# example: http://poj.org/problem?id=2104
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'poj.org' \
and utils.normpath(result.path) == '/problem':
query = urllib.parse.parse_qs(result.query)
if 'id' in query and len(query['id']) == 1:
try:
n = int(query['id'][0])
return cls(n)
except ValueError:
pass
return None
def from_url(cls, url: str) -> Optional['CSAcademyProblem']:
# example: https://csacademy.com/contest/round-38/task/path-union/
# example: https://csacademy.com/contest/round-38/task/path-union/discussion/
# example: https://csacademy.com/contest/archive/task/swap_permutation/
# example: https://csacademy.com/contest/archive/task/swap_permutation/statement/
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc in ('csacademy.com', 'www.csacademy.com'):
m = re.match(
r'^/contest/([0-9A-Za-z_-]+)/task/([0-9A-Za-z_-]+)(|/statement|/solution|/discussion|/statistics|/submissions)/?$',
utils.normpath(result.path))
if m:
return cls(m.group(1), m.group(2))
return None
def from_url(cls, url: str) -> Optional['CodeforcesContest']:
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc in _CODEFORCES_DOMAINS:
table = {}
table['contest'] = r'/contest/([0-9]+).*'.format(
) # example: https://codeforces.com/contest/538
table['gym'] = r'/gym/([0-9]+).*'.format(
) # example: https://codeforces.com/gym/101021
for kind, expr in table.items():
m = re.match(expr, utils.normpath(result.path))
if m:
return cls(contest_id=int(m.group(1)), kind=kind)
return None
def from_url(cls, url: str) -> Optional['TopcoderLongContestProblem']:
# example: https://community.topcoder.com/longcontest/?module=ViewProblemStatement&rd=16997&pm=14690
# example: https://community.topcoder.com/longcontest/?module=ViewProblemStatement&rd=16997&compid=57374
# example: https://community.topcoder.com/longcontest/?module=ViewStandings&rd=16997
# example: https://community.topcoder.com/tc?module=MatchDetails&rd=16997
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'community.topcoder.com' \
and utils.normpath(result.path) in ['/longcontest', '/tc']:
querystring = dict(urllib.parse.parse_qsl(result.query))
if 'rd' in querystring:
kwargs = {}
for name in ['rd', 'cd', 'compid', 'pm']:
if name in querystring:
kwargs[name] = int(querystring[name])
return cls(**kwargs)
return None
def from_url(cls, url: str) -> Optional['YukicoderProblem']:
# example: https://yukicoder.me/problems/no/499
# example: http://yukicoder.me/problems/1476
result = urllib.parse.urlparse(url)
dirname, basename = posixpath.split(utils.normpath(result.path))
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'yukicoder.me':
n = None # type: Optional[int]
try:
n = int(basename)
except ValueError:
pass
if n is not None:
if dirname == '/problems/no':
return cls(problem_no=n)
if dirname == '/problems':
return cls(problem_id=n)
return None
def from_url(cls, url: str) -> Optional['CodeforcesProblem']:
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'codeforces.com':
table = {}
table[
'contest'] = r'^/contest/([0-9]+)/problem/([0A-Za-z])$' # example: https://codeforces.com/contest/538/problem/H
table[
'problemset'] = r'^/problemset/problem/([0-9]+)/([0A-Za-z])$' # example: https://codeforces.com/problemset/problem/700/B
table[
'gym'] = r'^/gym/([0-9]+)/problem/([0A-Za-z])$' # example: https://codeforces.com/gym/101021/problem/A
normalize = (lambda c: c == '0' and 'A' or c.upper())
for kind, expr in table.items():
m = re.match(expr, utils.normpath(result.path))
if m:
return cls(int(m.group(1)),
normalize(m.group(2)),
kind=kind)
return None
def from_url(cls, url: str) -> Optional['CodeforcesProblem']:
result = urllib.parse.urlparse(url)
if result.scheme in ('', 'http', 'https') \
and result.netloc in _CODEFORCES_DOMAINS:
# "0" is needed. example: https://codeforces.com/contest/1000/problem/0
# "[1-9]?" is sometime used. example: https://codeforces.com/contest/1133/problem/F2
re_for_index = r'(?P<index>0|[A-Za-z][1-9]?)'
table = {}
table[
'contest'] = r'^/contest/(?P<contest>[0-9]+)/problem/{}$'.format(
re_for_index
) # example: https://codeforces.com/contest/538/problem/H
table[
'problemset'] = r'^/problemset/problem/(?P<contest>[0-9]+)/{}$'.format(
re_for_index
) # example: https://codeforces.com/problemset/problem/700/B
table['gym'] = r'^/gym/(?P<contest>[0-9]+)/problem/{}$'.format(
re_for_index
) # example: https://codeforces.com/gym/101021/problem/A
table[
'edu'] = r'^/edu/course/(?P<course>[0-9]*)/lesson/(?P<lesson>[0-9]*)/(?P<step>[0-9]*)/practice/contest/(?P<contest>[0-9]*)/problem/{}$'.format(
re_for_index
) # example https://codeforces.com/edu/course/2/lesson/2/1/practice/contest/269100/problem/A
for kind, expr in table.items():
m = re.match(expr, utils.normpath(result.path))
if m:
if m.group('index') == '0':
index = 'A' # NOTE: This is broken if there was "A1".
else:
index = m.group('index').upper()
if kind == 'edu':
return cls(contest_id=int(m.group('contest')),
index=index,
kind=kind,
course=int(m.group('course')),
lesson=int(m.group('lesson')),
step=int(m.group('step')))
else:
return cls(contest_id=int(m.group('contest')),
index=index,
kind=kind)
return None
def from_url(cls, url: str) -> Optional['KagamizContestSystemProblem']:
result = urllib.parse.urlparse(url)
# example: https://kcs.miz-miz.biz/contest/2000/view/A
# example: https://kcs.miz-miz.biz/contest/2000/view/%5C
if result.scheme in ('', 'http', 'https') \
and result.netloc == 'kcs.miz-miz.biz':
parts = utils.normpath(result.path).split('/')
if len(parts) >= 5 and not parts[0] and parts[
1] == 'contest' and parts[3] == 'view':
problem_id = parts[4]
if problem_id:
try:
contest_id = int(parts[2])
return cls(contest_id=contest_id,
problem_id=problem_id)
except ValueError:
pass
return None