def __init__(self, url, depth, index):
Crawler.__init__(self, links=[url])
re_text = u"""[абвгдеёжзийклмнопрстуфхцчшщъыьэюяАБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЭЬЮЯ
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-]+"""
self._clear_text_re = re.compile(re_text)
self._index = index
self._current_depth = -1
self._depths = {self.next: 0}
self._max_depth = depth
def priority(self, link, method=DEPTH):
if "?" in link.url:
# This ignores links with a querystring.
return 0.0
else:
# Otherwise use the default priority ranker,
# i.e. the priority depends on DEPTH or BREADTH crawl mode.
return Crawler.priority(self, link, method)
def __init__(self,
links=[],
domains=[],
delay=20.0,
parse=HTMLLinkParser().parse,
sort=FIFO):
#call super constructor
Crawler.__init__(self, links, domains, delay, parse, sort)
#save first link into root_url attribute
self.root_url = links[0]
self.crawl_id = save_crawl(self.root_url)
# this will match on the end of rank urls like
# http://palatinusbridge.hu/mezhon/eredmenyek/2014palaered/hetfo/ph140120.htm
self.target_pattern = 'p\w\d{6}\.htm'
# this will match on the end of day urls like
# http://palatinusbridge.hu/mezhon/eredmenyek/2014palaered/hetfo/
self.day_pattern = '[a-z]{4,9}/\Z'
self.year_pattern = '[0-9]{4}palaered/\Z'
def crawl(self, method=BREADTH, **kwargs):
next_link = self.next
if next_link:
self._current_depth = self._depths[next_link]
print('Crawling %dth page at depth %d' % (len(self.visited), self._current_depth))
try:
return Crawler.crawl(self, method, **kwargs)
except Exception as e:
print('Ошибка при построении индекса: %s' % e)
return False
def push(self, link, priority=1.0, sort=FILO):
if inspect.stack()[2][3] == '__init__':
Crawler.push(self, link, priority, sort)
elif self._current_depth + 1 < self._max_depth:
self._depths[link] = self._current_depth + 1
Crawler.push(self, link, priority, sort)
def priority(self, link, method=None):
#if "linkedin" in link.url or "twitter" in link.url or "facebook" in link.url or "google" in link.url:
if self.badLink.detect(link.url):
return 0.1
else:
return Crawler.priority(self, link, method)
