this is based on calsyslab project
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 

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# Here, we are importing the auxiliary functions to clean or convert data
from Forums.Utilities.utilities import *
import datetime
import re
# Here, we are importing BeautifulSoup to search through the HTML tree
from bs4 import BeautifulSoup
# This is the method to parse the Description Pages (one page to each topic in the Listing Pages)
def endchan_description_parser(soup):
# Fields to be parsed
topic = "-1" # 0 *topic name
user = [] # 1 *all users of each post
status = [] # 2 all user's authority in each post such as (adm, member, dangerous)
reputation = [] # 3 all user's karma in each post (usually found as a number)
interest = [] # 4 all user's interest in each post
sign = [] # 5 all user's signature in each post (usually a standard message after the content of the post)
post = [] # 6 all messages of each post
feedback = [] # 7 all feedbacks of each vendor (this was found in just one Forum and with a number format)
addDate = [] # 8 all dates of each post
image_user = [] # 9 all user avatars of each post
image_post = [] # 10 all first images of each post
# Finding the topic (should be just one coming from the Listing Page)
entire_post = soup.find('div', {"id": "threadList"}).find('div', {"id": "divThreads"}).find('div',
class_ = re.compile('opCell'))
original_post = entire_post.find('div', {"class": "innerOP"})
post_header = original_post.find('div', {"class": "opHead"})
topic = post_header.find('span', {"class": "labelSubject"}).text
topic = re.sub("\[\w*\]", '', topic)
topic = topic.replace(",","")
topic = topic.replace("\n","")
topic = cleanString(topic.strip())
# the replies are separated from the original post, so have to get original post and then get repeated tags for the replies
#functions to reuse code:
def get_user(area):
name = area.find('a', class_=re.compile('linkName'))
author = name.text.strip()
#user.append(cleanString(author))
def get_post(area):
content = area.find('div', {"class": "divMessage"})
content = content.text.strip()
#post.append(cleanString(content))
def get_date(area):
dt = area.find('span', {"class": "labelCreated"}).text
dt = dt.strip().split()
date_time_obj = datetime.strftime(dt[0], '%m-%d-%Y')
#addDate.append(date_time_obj)
def get_user_img(area):
avatar_img = area.find('img', class_= re.compile('imgFlag'))
if avatar_img is not None:
avatar_img = avatar_img.get('src').split('base64,')[-1]
else:
avatar_img = "-1"
#image_user.append(avatar_img)
def get_first_img(area):
img_cell = area.find('div', class_= re.compile('panelUploads')).find('figure', {"class": "uploadCell"})
if img_cell is not None:
img = img_cell.find('img')
img = img.get('src').split('base64,')[-1]
else:
img = "-1"
#image_post.append(img)
# Endchan does not have status, blurb, reputation, signature or feedback
def set_other_lists():
status.append("-1")
reputation.append("-1")
interest.append("-1")
sign.append("-1")
feedback.append("-1")
# For the original post, get all fields we are interested in
# get user
get_user(post_header)
# get post
get_post(original_post)
# get addDate
get_date(post_header)
# get user image
get_user_img(post_header)
#get first post image
get_first_img(original_post)
#no status, interest, reputation, feedback, or signature
#set_other_lists()
# Finding the repeated tag that corresponds to the listing of posts
post_replies = entire_post.find('div', {"class": "divPosts"}).find_all('div', class_ = re.compile('postCell'))
# For all replies, get all the fields we are interested in
for ipost in post_replies:
post_area = ipost.find('div', {"class": "innerPost"})
# Finding user of the post
get_user(post_area)
# getting post date
get_date(post_area)
# getting the post content
get_post(post_area)
# get first image from post using panel uploads
get_first_img(post_area)
# get author avatar
get_user_img(post_area)
#set_other_lists()
# Populate the final variable (this should be a list with all fields scraped)
#row = (topic, user, status, reputation, interest, sign, post, feedback, addDate, image_user, image_post)
# Sending the results
#return row
# This is the method to parse the Listing Pages (one page with many posts)
def endchan_listing_parser(soup):
nm = 0 # *this variable should receive the number of topics
forum = "Endchan" # 0 *forum name
board = "-1" # 1 *board name (the previous level of the topic in the Forum categorization tree.
# For instance: Security/Malware/Tools to hack Facebook. The board here should be Malware)
author = [] # 2 *all authors of each topic
topic = [] # 3 *all topics
views = [] # 4 number of views of each topic
posts = [] # 5 number of posts of each topic
href = [] # 6 this variable should receive all cleaned urls (we will use this to do the marge between
# Listing and Description pages)
addDate = [] # 7 when the topic was created (difficult to find)
image_author = [] # 8 all author avatars used in each topic
# Finding the board (should be just one)
header = soup.find("header", {"class": "boardHeader"})
labelName = header.find("p", {"id": "labelName"}).text
board = cleanString(labelName.strip())
# Finding the repeated tag that corresponds to the listing of topics
topics = soup.find('div', {"id": "threadList"}).find('div', {"id": "divThreads"}).find_all('div',
class_ = re.compile('opCell'))
# Counting how many topics
nm = len(topics)
for itopic in topics:
post_header = itopic.find('div', {"class": "innerOP"}).find('div', {"class": "opHead"})
topics = post_header.find('span', {"class": "labelSubject"})
# Adding the topic to the topic list
topics = re.sub("\[\w*\]", '', topics)
topic.append(cleanString(topics))
# get author avatar
avatar_img = post_header.find('img', class_ = re.compile('imgFlag'))
if avatar_img is not None:
avatar_img = avatar_img.get('src').split('base64,')[-1]
else:
avatar_img = "-1"
image_author.append(avatar_img)
# Adding the url to the list of urls
#using linkSelf to get link, because the website is formatted differently.
link = post_header.find('a', {"class": "linkSelf"}).get('href')
href.append(link)
# Finding the author of the topic
name = post_header.find('a', class_= re.compile('linkName'))
user = name.strip()
author.append(cleanString(user))
# Finding the number of replies
replies = itopic.find('div', {"class": "divPosts"}).find_all('div', class_ = re.compile('postCell'))
if replies is not None:
num_replies = str(len(replies))
posts.append(cleanString(num_replies))
else:
posts.append('-1')
# No information on number of Views
views.append('-1')
#get date topic was added
dt = post_header.find('span', {"class": "labelCreated"}).text
dt = dt.strip().split()
date_time_obj = datetime.strftime(dt[0], '%m-%d-%Y')
addDate.append(date_time_obj)
#return organizeTopics(forum, nm, board, author, topic, views, posts, href, addDate, image_author)
def endchan_links_parser(soup):
# Returning all links that should be visited by the Crawler
href = []
listing = soup.find('div', {"id": "threadList"}).find('div', {"id": "divThreads"}).find_all('div',
class_ = re.compile('opCell'))
for a in listing:
link = a.find('a', {"class": "linkSelf"}).get('href')
href.append(link)
return href