def get_problems(self, urls):
"""Overridden.
"""
problems = []
for url in urls:
problem = Problem()
problem.url = url
url_path = urlparse(url).path
assert url_path
tokens = SiteSpoj.pattern_contest.search(url_path)
problem.id = tokens.group('PROBLEM')
assert problem.id
page = SiteSpoj._proxy.get(url)
# Data from web (for each problem):
if page.status_code == 200:
t = html.fromstring(page.text)
# - problem name,
e = t.xpath(SiteSpoj.xpath_problem_name)
problem.name = (e and str(e[0])) or None
# - problem time limit,
e = t.xpath(SiteSpoj.xpath_problem_time)
p = e and e[0].strip()[:-1] # remove whitespace characters and 's' at the end
problem.time_limit_ms = p and float(p) * 1000
# - problem source limit,
e = t.xpath(SiteSpoj.xpath_problem_source)
p = e and e[0].strip()[:-1] # remove whitespace characters and 'B' at the end
problem.source_limit_kbyte = p and float(p) / 1000
# - problem memory limit,
e = t.xpath(SiteSpoj.xpath_problem_memory)
p = e and e[0].strip()[:-2] # remove whitespace characters and 'MB' at the end
problem.memory_limit_kbyte = p and float(p) * 2**10
# - test inputs and outputs.
e = t.xpath(SiteSpoj.xpath_problem_ins_outs)
problem.inputs = [i.strip() for i in e[0:][::2]]
problem.outputs = [o.strip() for o in e[1:][::2]]
if (problem.name and
problem.time_limit_ms and
problem.source_limit_kbyte and
problem.memory_limit_kbyte and
problem.inputs and
problem.outputs):
problems.append(problem)
else:
warn('Problem "' + problem.id + '" not fetched successfully!')
else:
warn('Problem "' + problem.id + '" does not exist on Spoj!')
return problems
def get_problems(self, urls):
"""Overridden.
"""
problems = []
for url in urls:
problem = Problem()
problem.url = url
url_path = urlparse(url).path
assert url_path
tokens = SiteLocal.pattern_contest.search(url_path)
problem.id = tokens.group('PROBLEM')
assert problem.id
problem.name = problem.id
problem.time_limit_ms = self.time_limit_ms
problem.memory_limit_kbyte = self.memory_limit_kbyte
problem.source_limit_kbyte = self.source_limit_kbyte
problems.append(problem)
return problems
def get_problems(self, urls):
"""Overridden.
"""
problems = []
for url in urls:
problem = Problem()
problem.url = url
url_path = urlparse(url).path
assert url_path
tokens = SiteCodeChef.pattern_contest.search(url_path)
problem.id = tokens.group("PROBLEM")
assert problem.id
problem.source_limit_kbyte = self.source_limit_kbyte
page = SiteCodeChef._proxy.get(url)
#TODO Implement the rest from here...
# Data from web (for each problem):
if page.status_code == 200:
t = html.fromstring(page.text)
# - problem name,
e = t.xpath(SiteCodeChef.xpath_problem_name)
problem.name = (e and str(e[0])) or None
# - problem time limit,
e = t.xpath(SiteCodeChef.xpath_problem_time)
limit = e and float(e[0].split()[0]) * 1000
problem.time_limit_ms = limit or self.time_limit_ms
# - problem memory limit,
e = t.xpath(SiteCodeChef.xpath_problem_memory)
limit = e and float(e[0].split()[0]) * 2**10
problem.memory_limit_kbyte = limit or self.memory_limit_kbyte
# - test inputs,
e = t.xpath(SiteCodeChef.xpath_problem_ins)
problem.inputs = [os.linesep.join(inp.itertext()) for inp in e]
# - test outputs.
e = t.xpath(SiteCodeChef.xpath_problem_outs)
problem.outputs = [os.linesep.join(out.itertext()) for out in e]
problems.append(problem)
return problems
