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-rwxr-xr-xgg_scrapper.py50
1 files changed, 50 insertions, 0 deletions
diff --git a/gg_scrapper.py b/gg_scrapper.py
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index 0000000..59b81bc
--- /dev/null
+++ b/gg_scrapper.py
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+#!/usr/bin/python
+
+import urllib2
+from bs4 import BeautifulSoup
+import logging
+logging.basicConfig(format='%(levelname)s:%(funcName)s:%(message)s',
+ level=logging.DEBUG)
+
+
+class GooglePage:
+ verb_handler = urllib2.HTTPHandler()
+ if logging.getLogger().getEffectiveLevel() == logging.DEBUG:
+ verb_handler.set_http_debuglevel(2)
+ redir_handler = urllib2.HTTPRedirectHandler()
+ opener = urllib2.build_opener(verb_handler, redir_handler)
+
+ def __init__(self, URL):
+ self.bs_page = self.get_first_page_BS(URL)
+
+ @staticmethod
+ def unenscape_Google_bang_URL(old_URL):
+ """
+ See https://developers.google.com/webmasters\
+ /ajax-crawling/docs/getting-started for more information
+ """
+ if old_URL.find('#!') != -1:
+ esc_URL = old_URL.replace('#!', '?_escaped_fragment_=')
+ logging.debug('esc_URL = {}'.format(esc_URL))
+ return esc_URL
+ else:
+ return old_URL
+
+ @classmethod
+ def do_redirect(cls, URL):
+ res = cls.opener.open(URL)
+
+ if res.getcode() == 200:
+ new_URL = res.geturl()
+ logging.debug('url = {}'.format(new_URL))
+ return cls.unenscape_Google_bang_URL(new_URL)
+ else:
+ raise urllib2.HTTPError('Unknown URL: {}'.format(URL))
+
+ def get_first_page_BS(self, URL):
+ with self.opener.open(self.do_redirect(URL)) as esc_res:
+ return BeautifulSoup(esc_res.read())
+
+ def get_topics(self, BS):
+ 'Recursively[?] get all topic (as special objects)'
+ return []