noham/phpBB-forum-scraper
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gitignore amendments, indentation and spacing

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Dascienz
2019-08-18 13:49:08 -04:00
parent 76df7378f3
commit 28185eb7be
3 changed files with 52 additions and 40 deletions
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80
phpBB_scraper/phpBB_scraper/spiders/phpBB.py
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@@ -14,76 +14,78 @@ class PhpbbSpider(scrapy.Spider):
form_login = False
def parse(self, response):
#LOGIN TO PHPBB BOARD AND CALL AFTER_LOGIN
# LOGIN TO PHPBB BOARD AND CALL AFTER_LOGIN
if self.form_login:
formdata = {'username':self.username,'password':self.password}
formdata = {'username': self.username,
'password': self.password}
form_request = [scrapy.FormRequest.from_response(response,
formdata=formdata,
callback=self.after_login,
dont_click=True)]
formdata=formdata,
callback=self.after_login,
dont_click=True)]
return form_request
else:
#REQUEST SUB-FORUM TITLE LINKS
# REQUEST SUB-FORUM TITLE LINKS
links = response.xpath('//a[@class="forumtitle"]/@href').extract()
for link in links:
yield scrapy.Request(response.urljoin(link),callback=self.parse_topics)
yield scrapy.Request(response.urljoin(link), callback=self.parse_topics)
def after_login(self, response):
#CHECK LOGIN SUCCESS BEFORE MAKING REQUESTS
# CHECK LOGIN SUCCESS BEFORE MAKING REQUESTS
if b'authentication failed' in response.body:
self.logger.error('Login failed.')
return
else:
#REQUEST SUB-FORUM TITLE LINKS
# REQUEST SUB-FORUM TITLE LINKS
links = response.xpath('//a[@class="forumtitle"]/@href').extract()
for link in links:
yield scrapy.Request(response.urljoin(link),callback=self.parse_topics)
yield scrapy.Request(response.urljoin(link), callback=self.parse_topics)
def parse_topics(self, response):
#REQUEST TOPIC TITLE LINKS
# REQUEST TOPIC TITLE LINKS
links = response.xpath('//a[@class="topictitle"]/@href').extract()
for link in links:
yield scrapy.Request(response.urljoin(link),callback=self.parse_posts)
yield scrapy.Request(response.urljoin(link), callback=self.parse_posts)
#IF NEXT PAGE EXISTS, FOLLOW
Next = response.xpath("//li[@class='next']//a[@rel='next']/@href").extract_first()
if Next:
yield scrapy.Request(response.urljoin(Next),callback=self.parse_topics)
# IF NEXT PAGE EXISTS, FOLLOW
next_link = response.xpath('//li[@class="next"]//a[@rel="next"]/@href').extract_first()
if next_link:
yield scrapy.Request(response.urljoin(next_link), callback=self.parse_topics)
def clean_quote(self, string):
#CLEAN HTML TAGS FROM POST TEXT, MARK QUOTES
soup = BeautifulSoup(string,'lxml')
blockQuotes = soup.find_all('blockquote')
for i, quote in enumerate(blockQuotes):
blockQuotes[i] = '<quote-%s>=' + str(i) + quote.get_text()
text = ''.join(blockQuotes)
return text
# CLEAN HTML TAGS FROM POST TEXT, MARK QUOTES
soup = BeautifulSoup(string, 'lxml')
block_quotes = soup.find_all('blockquote')
for i, quote in enumerate(block_quotes):
block_quotes[i] = '<quote-%s>=' + str(i) + quote.get_text()
return ''.join(block_quotes)
def clean_text(self, string):
#CLEAN HTML TAGS FROM POST TEXT, MARK REPLIES TO QUOTES
# CLEAN HTML TAGS FROM POST TEXT, MARK REPLIES TO QUOTES
tags = ['blockquote']
soup = BeautifulSoup(string,'lxml')
soup = BeautifulSoup(string, 'lxml')
for tag in tags:
for i, item in enumerate(soup.find_all(tag)):
item.replaceWith('<reply-%s>=' + str(i))
text = re.sub(' +',' ',soup.get_text())
return text
return re.sub(r' +', r' ', soup.get_text())
def parse_posts(self, response):
#COLLECT FORUM POST DATA
# COLLECT FORUM POST DATA
usernames = response.xpath('//p[@class="author"]//a[@class="username"]//text()').extract()
postCounts = response.xpath('//dd[@class="profile-posts"]//a/text()').extract()
postTimes = response.xpath('//p[@class="author"]/text()').extract()
postTexts = response.xpath('//div[@class="postbody"]//div[@class="content"]').extract()
postQuotes = [self.clean_quote(s) for s in postTexts]
postTexts = [self.clean_text(s) for s in postTexts]
post_counts = response.xpath('//dd[@class="profile-posts"]//a/text()').extract()
post_times = response.xpath('//p[@class="author"]/text()').extract()
post_texts = response.xpath('//div[@class="postbody"]//div[@class="content"]').extract()
post_quotes = [self.clean_quote(s) for s in post_texts]
post_texts = [self.clean_text(s) for s in post_texts]
#YIELD POST DATA
for i in range(len(usernames)):
yield {'User':usernames[i],'Count':postCounts[i],
'Time':postTimes[i],'Post Text':postTexts[i],'Quote Text':postQuotes[i]}
yield {'Username': usernames[i],
'PostCount': post_counts[i],
'PostTime': post_times[i],
'PostText': post_texts[i],
'QuoteText': post_quotes[i]}
#CLICK THROUGH NEXT PAGE
Next = response.xpath("//li[@class='next']//a[@rel='next']/@href").extract_first()
if Next:
yield scrapy.Request(response.urljoin(Next),callback=self.parse_posts)
# CLICK THROUGH NEXT PAGE
next_link = response.xpath('//li[@class="next"]//a[@rel="next"]/@href').extract_first()
if next_link:
yield scrapy.Request(response.urljoin(next_link), callback=self.parse_posts)