def fetch_page(page_index):
url = self.standings_url
if page_index:
url += f'?page={page_index}'
n_attempts = 3
for attempt in range(n_attempts):
try:
page = REQ.get(url)
break
except FailOnGetResponse as e:
if e.code == 503 and attempt + 1 < n_attempts:
REQ.print(str(e))
sleep(5)
continue
raise e
return page, url
def get_standings(self, users=None, statistics=None):
if not self.standings_url:
self.standings_url = f'https://projecteuler.net/fastest={self.key}'
user_agent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36' # noqa
page = REQ.get(self.standings_url, headers={'User-Agent': user_agent})
sign_out = re.search('<form[^>]*action="sign_out"[^>]*>', page)
if not sign_out:
for attempt in range(20):
while True:
value = f'{random.random():.16f}'
image_bytes = REQ.get(f'https://projecteuler.net/captcha/show_captcha.php?{value}')
image_stream = io.BytesIO(image_bytes)
image_rgb = Image.open(image_stream)
text = pytesseract.image_to_string(image_rgb, config='--oem 0 --psm 13 digits')
text = text.strip()
if re.match('^[0-9]{5}$', text):
break
REQ.get('https://projecteuler.net/sign_in')
page = REQ.submit_form(
name='sign_in_form',
action=None,
data={
'username': conf.PROJECTEULER_USERNAME,
'password': conf.PROJECTEULER_PASSWORD,
'captcha': text,
'remember_me': '1',
},
)
match = re.search('<p[^>]*class="warning"[^>]*>(?P<message>[^<]*)</p>', page)
if match:
REQ.print(match.group('message'))
else:
break
else:
raise ExceptionParseStandings('Did not recognize captcha for sign in')
page = REQ.get(self.standings_url)
result = {}
problem_name = self.name.split('.', 1)[1].strip()
problems_info = [{'name': problem_name, 'url': self.url}]
regex = '<table[^>]*>.*?</table>'
html_table = re.search(regex, page, re.DOTALL)
if html_table:
table = parsed_table.ParsedTable(html_table.group(0))
for r in table:
row = OrderedDict()
row['solving'] = 1
for k, v in r.items():
if isinstance(v, list):
place, country = v
row['place'] = re.match('[0-9]+', place.value).group(0)
country = first(country.column.node.xpath('.//@title'))
if country:
row['country'] = country
elif k == 'Time To Solve':
params = {}
for x in v.value.split(', '):
value, field = x.split()
if field[-1] != 's':
field += 's'
params[field] = int(value)
rel_delta = relativedelta(**params)
now = timezone.now()
delta = now - (now - rel_delta)
row['penalty'] = f'{delta.total_seconds() / 60:.2f}'
elif k == 'User':
member = first(v.column.node.xpath('.//@title')) or v.value
row['member'] = member
else:
row[k.lower()] = v.value
problems = row.setdefault('problems', {})
problem = problems.setdefault(problem_name, {})
problem['result'] = '+'
problem['binary'] = True
row['_skip_for_problem_stat'] = True
if 'member' not in row:
continue
result[row['member']] = row
standings = {
'result': result,
'url': self.standings_url,
'problems': problems_info,
}
if len(result) < 100:
delta = timezone.now() - self.start_time
if delta < timedelta(days=1):
standings['timing_statistic_delta'] = timedelta(minutes=60)
elif delta < timedelta(days=30):
standings['timing_statistic_delta'] = timedelta(days=1)
return standings
