Now we have a logically very simple parser for torrents for a torrent sites, though we now only have piratebay. Really want to build on this and maybe add some machine learning to identify interesting elements in a webpage. Still missing better error handling and logging, but not much.

seasonedParser/pirateSearch.py

@@ -0,0 +1,311 @@
+#!/usr/bin/env python3.6
+# -*- coding: utf-8 -*-
+# @Author: KevinMidboe
+# @Date:   2017-10-12 11:55:03
+# @Last Modified by:   KevinMidboe
+# @Last Modified time: 2017-10-17 00:58:24
+
+import sys, logging, re
+from urllib import parse, request
+from urllib.error import URLError
+from bs4 import BeautifulSoup
+
+import datetime
+from pprint import pprint
+
+from core import stringTime
+import env_variables as env
+logging.basicConfig(filename=env.logfile, level=logging.INFO)
+
+RELEASE_TYPES = ('bdremux', 'brremux', 'remux',
+	'bdrip', 'brrip', 'blu-ray', 'bluray', 'bdmv', 'bdr', 'bd5',
+	'web-cap', 'webcap', 'web cap',
+	'webrip', 'web rip', 'web-rip', 'web',
+	'webdl', 'web dl', 'web-dl', 'hdrip',
+	'dsr', 'dsrip', 'satrip', 'dthrip', 'dvbrip', 'hdtv', 'pdtv', 'tvrip', 'hdtvrip',
+	'dvdr', 'dvd-full', 'full-rip', 'iso',
+	'ts', 'hdts', 'hdts', 'telesync', 'pdvd', 'predvdrip',
+	'camrip', 'cam')
+
+
+def sanitize(string, ignore_characters=None, replace_characters=None):
+	"""Sanitize a string to strip special characters.
+
+	:param str string: the string to sanitize.
+	:param set ignore_characters: characters to ignore.
+	:return: the sanitized string.
+	:rtype: str
+
+	"""
+	# only deal with strings
+	if string is None:
+		return
+	
+	replace_characters = replace_characters or ''
+
+	ignore_characters = ignore_characters or set()
+
+	characters = ignore_characters
+	if characters:
+		string = re.sub(r'[%s]' % re.escape(''.join(characters)), replace_characters, string)
+
+	return string
+
+def return_re_match(string, re_statement):
+	if string is None:
+		return
+
+	m = re.search(re_statement, string)
+	if 'Y-day' in m.group():
+		return datetime.datetime.now().strftime('%m-%d %Y')
+	return sanitize(m.group(), '\xa0', ' ')
+
+
+# Should maybe not be able to set values without checking if they are valid?
+class piratebay(object):
+	def __init__(self, query=None, page=0, sort=None, category=None):
+		# This should be moved to a config file
+		self.url = 'https://thepiratebay.org/search'
+		self.sortTypes = {
+			'size': 5,
+			'seed_count': 99
+		}
+		self.categoryTypes = {
+			'movies': 207,
+			'porn_movies': 505,
+		}
+		# - - -
+
+		# Req params
+		self.query = query
+		self.page = page
+		self.sort = sort
+		self.category = category
+		self.total_pages = 0
+		self.headers = {'User-Agent': 'Mozilla/5.0'}
+		# self.headers = {}
+
+	def build_URL_request(self):
+		url = '/'.join([self.url, parse.quote(self.query), str(self.page), str(self.sort), str(self.category)])
+		return request.Request(url, headers=self.headers)
+
+	def next_page(self):
+		# If page exceeds the max_page, return None
+		# Can either save the last query/url in the object or have it passed 
+		# again on call to next_page
+
+		# Throw a error if it is not possible (overflow)
+		self.page += 1
+		print(self.page)
+		raw_page = self.callPirateBaT()
+		return self.parse_raw_page_for_torrents(raw_page)
+
+	def set_total_pages(self, raw_page):
+		# body-id:searchResults-id:content-align:center
+		soup = BeautifulSoup(raw_page, 'html.parser')
+		content_searchResult = soup.body.find(id='SearchResults')
+		page_div = content_searchResult.find_next(attrs={"align": "center"})
+
+		last_page = 0
+		for page in page_div.find_all('a'):
+			last_page += 1
+
+		self.total_pages = last_page
+
+	def callPirateBaT(self):
+		req = self.build_URL_request()
+			
+		raw_page = self.fetchURL(req).read()
+		logging.info('Finished searching piratebay for query | %s' % stringTime())
+
+		if raw_page is None:
+			raise ValueError('Search result returned no content. Please check log for error reason.')
+
+		if self.total_pages is 0:
+			self.set_total_pages(raw_page)
+		
+		return raw_page
+
+
+	# Sets the search
+	def search(self, query, multiple_pages=1, page=0, sort=None, category=None):
+		# This should not be logged here, but in loop. Something else here maybe?
+		logging.info('Searching piratebay with query: %r, sort: %s and category: %s | %s' % 
+			(query, sort, category, stringTime()))
+		
+		if sort is not None and sort in self.sortTypes:
+			self.sort = self.sortTypes[sort]
+		else:
+			raise ValueError('Invalid sort category for piratebay search')
+
+		# Verify input? and reset total_pages
+		self.query = query
+
+		self.total_pages = 0
+		
+		if str(page).isnumeric() and type(page) == int and page >= 0:
+			self.page = page
+		
+		# TODO add category list
+		if category is not None and category in self.categoryTypes:
+			self.category = self.categoryTypes[category]
+
+		# TODO Pull most of this logic out bc it needs to also be done in next_page
+		
+		raw_page = self.callPirateBaT()
+		torrents_found = self.parse_raw_page_for_torrents(raw_page)
+		print(self.page)
+		
+		# Fetch in parallel
+		n = self.total_pages
+		while n > 1:
+			torrents_found.extend(self.next_page())
+			n -= 1
+
+		return torrents_found
+
+
+	def removeHeader(self, bs4_element):
+		if ('header' in bs4_element['class']):
+			return bs4_element.find_next('tr')
+
+		return bs4_element
+
+	def has_magnet(self, href):
+		return href and re.compile('magnet').search(href)
+
+	def parse_raw_page_for_torrents(self, content):
+		soup = BeautifulSoup(content, 'html.parser')
+		content_searchResult = soup.body.find(id='searchResult')
+
+		if content_searchResult is None:
+			logging.info('No torrents found for the search criteria.')
+			return None
+		
+		listElements = content_searchResult.tr
+		
+		torrentWrapper = self.removeHeader(listElements)
+
+		torrents_found = []
+		for torrentElement in torrentWrapper.find_all_next('td'):
+			if torrentElement.find_all("div", class_='detName'):
+
+				name = torrentElement.find('a', class_='detLink').get_text()
+				url = torrentElement.find('a', class_='detLink')['href']
+				magnet = torrentElement.find(href=self.has_magnet)
+				
+				uploader = torrentElement.find('a', class_='detDesc')				
+
+				if uploader is None:
+					uploader = torrentElement.find('i')
+					
+				uploader = uploader.get_text()
+
+				info_text = torrentElement.find('font', class_='detDesc').get_text()
+				
+				date = return_re_match(info_text, r"(\d+\-\d+\s\d+)|(Y\-day\s\d{2}\:\d{2})")
+				size = return_re_match(info_text, r"(\d+(\.\d+)?\s[a-zA-Z]+)")
+
+				# COULD NOT FIND HREF!
+				if (magnet is None):
+					continue
+
+				seed_and_leech = torrentElement.find_all_next(attrs={"align": "right"})
+				seed = seed_and_leech[0].get_text()
+				leech = seed_and_leech[1].get_text()
+
+				torrent = Torrent(name, magnet['href'], size, uploader, date, seed, leech, url)
+
+				torrents_found.append(torrent)
+			else:
+				# print(torrentElement)
+				continue
+
+		logging.info('Found %s torrents for given search criteria.' % len(torrents_found))
+		return torrents_found
+
+		
+	def fetchURL(self, req):
+		try:
+		    response = request.urlopen(req)
+		except URLError as e:
+		    if hasattr(e, 'reason'):
+		        logging.error('We failed to reach a server with request: %s' % req.full_url)
+		        logging.error('Reason: %s' % e.reason)
+		    elif hasattr(e, 'code'):
+		        logging.error('The server couldn\'t fulfill the request.')
+		        logging.error('Error code: ', e.code)
+		else:
+		    return response
+
+
+class Torrent(object):
+	def __init__(self, name, magnet=None, size=None, uploader=None, date=None,
+		seed_count=None, leech_count=None, url=None):
+		self.name  = name 
+		self.magnet = magnet
+		self.size = size
+		self.uploader = uploader
+		self.date = date
+		self.seed_count = seed_count
+		self.leech_count = leech_count
+		self.url = url
+
+	def find_release_type(self):
+		name = self.name.casefold()
+		return [r_type for r_type in RELEASE_TYPES if r_type in name]
+
+	def get_all_attr(self):
+		return ({'name': self.name, 'magnet': self.magnet,'uploader': self.uploader,'size': self.size,'date': self.date,'seed': self.seed_count,'leech': self.leech_count,'url': self.url})
+
+	def __repr__(self):
+		return '<%s [%r]>' % (self.__class__.__name__, self.name)
+
+
+# This should be done front_end!
+# I.E. filtering like this should be done in another script
+# and should be done with the shared standard for types. 
+# PS: Is it the right move to use a shared standard? What
+# happens if it is no longer public?
+def chooseCandidate(torrent_list):
+	interesting_torrents = []
+	match_release_type = ['bdremux', 'brremux', 'remux', 'bdrip', 'brrip', 'blu-ray', 'bluray', 'bdmv', 'bdr', 'bd5']
+
+	for torrent in torrent_list:
+		intersecting_release_types = set(torrent.find_release_type()) & set(match_release_type)
+
+		size, _, size_id = torrent.size.partition(' ')
+		if intersecting_release_types and int(torrent.seed_count) > 0 and float(size) > 4 and size_id == 'GiB':
+			print('{} : {} : {}'.format(torrent.name, torrent.size, torrent.seed_count))
+			interesting_torrents.append(torrent)
+		# else:
+		# 	print('Denied match! %s : %s : %s' % (torrent.name, torrent.size, torrent.seed_count))
+
+	return interesting_torrents
+
+
+def searchTorrentSite(query, site='piratebay'):
+	pirate = piratebay()
+	torrents_found = pirate.search(query, page=0, multiple_pages=0, sort='size')
+	# pprint(torrents_found)
+	candidates = chooseCandidate(torrents_found)
+
+	torrents_found = pirate.search(query, page=0, multiple_pages=0, sort='size', category='movies')
+	movie_candidates = chooseCandidate(torrents_found)
+
+	print('Length full: {}'.format(len(candidates)))
+	print('Length movies: {}'.format(len(movie_candidates)))
+	# torrents_found = pirate.next_page()
+	# pprint(torrents_found)
+	# candidates = chooseCandidate(torrents_found)
+
+	# Can autocall to next_page in a looped way to get more if nothing is found
+	# and there is more pages to be looked at
+	
+
+def main():
+	query = sys.argv[1]
+	searchTorrentSite(query)
+
+if __name__ == '__main__':
+	main()