# -*- coding: utf-8 -*- import io import logging import math import re import zipfile from random import randint from urllib.parse import urlparse, parse_qs from threading import Thread import rarfile from guessit import guessit from requests import Session from requests.adapters import HTTPAdapter from requests.exceptions import HTTPError from subliminal.cache import region as cache from subliminal.exceptions import AuthenticationError, ConfigurationError, DownloadLimitExceeded, Error, ProviderError from subliminal.providers import ParserBeautifulSoup from subliminal.subtitle import fix_line_ending from subliminal.video import Episode, Movie from subliminal_patch.exceptions import ParseResponseError from subliminal_patch.providers import Provider from subliminal_patch.providers.mixins import ProviderSubtitleArchiveMixin from subliminal_patch.score import framerate_equal from subliminal_patch.subtitle import Subtitle, guess_matches, sanitize from dogpile.cache.api import NO_VALUE from subzero.language import Language from .utils import FIRST_THOUSAND_OR_SO_USER_AGENTS as AGENT_LIST logger = logging.getLogger(__name__) class TitulkySubtitle(Subtitle): """Titulky.com subtitle""" provider_name = 'titulky' hash_verifiable = False hearing_impaired_verifiable = False def __init__(self, sub_id, imdb_id, language, names, season, episode, year, releases, fps, uploader, approved, page_link, download_link, skip_wrong_fps=False, asked_for_episode=None): super().__init__(language, page_link=page_link) self.names = names self.year = year self.sub_id = sub_id self.imdb_id = imdb_id self.fps = fps self.season = season self.episode = episode self.releases = releases self.release_info = ', '.join(releases) self.language = language self.approved = approved self.page_link = page_link self.uploader = uploader self.download_link = download_link self.skip_wrong_fps = skip_wrong_fps self.asked_for_episode = asked_for_episode self.matches = None # Try to parse S00E00 string from the main subtitle name season_episode_string = re.findall(r'S(\d+)E(\d+)', self.names[0], re.IGNORECASE) # If we did not search for subtitles with season and episode numbers in search query, # try to parse it from the main subtitle name that most likely contains it if season_episode_string: if self.season is None: self.season = int(season_episode_string[0][0]) if self.episode is None: self.episode = int(season_episode_string[0][1]) @property def id(self): return self.sub_id def get_fps(self): return self.fps def get_matches(self, video): matches = set() _type = 'movie' if isinstance(video, Movie) else 'episode' sub_names = self._remove_season_episode_string(self.names) if _type == 'episode': ## EPISODE # match imdb_id of a series if video.series_imdb_id and video.series_imdb_id == self.imdb_id: matches.add('series_imdb_id') # match season/episode if self.season and self.season == video.season: matches.add('season') if self.episode and self.episode == video.episode: matches.add('episode') # match series name series_names = [video.series] + video.alternative_series logger.debug( f"Titulky.com: Finding exact match between subtitle names {sub_names} and series names {series_names}" ) if _contains_element(_from=series_names, _in=sub_names, exactly=True): matches.add('series') # match episode title episode_titles = [video.title] logger.debug( f"Titulky.com: Finding exact match between subtitle names {sub_names} and episode titles {episode_titles}" ) if _contains_element(_from=episode_titles, _in=sub_names, exactly=True): matches.add('episode_title') elif _type == 'movie': ## MOVIE # match imdb_id of a movie if video.imdb_id and video.imdb_id == self.imdb_id: matches.add('imdb_id') # match movie title video_titles = [video.title] + video.alternative_titles logger.debug( f"Titulky.com: Finding exact match between subtitle names {sub_names} and video titles {video_titles}" ) if _contains_element(_from=video_titles, _in=sub_names, exactly=True): matches.add('title') ## MOVIE OR EPISODE # match year if video.year and video.year == self.year: matches.add('year') # match other properties based on release infos for release in self.releases: matches |= guess_matches(video, guessit(release, {"type": _type})) # If turned on in settings, then do not match if video FPS is not equal to subtitle FPS if self.skip_wrong_fps and video.fps and self.fps and not framerate_equal( video.fps, self.fps): logger.info(f"Titulky.com: Skipping subtitle {self}: wrong FPS") matches.clear() self.matches = matches return matches # Remove the S00E00 from elements of names array def _remove_season_episode_string(self, names): result = names.copy() for i, name in enumerate(result): cleaned_name = re.sub(r'S\d+E\d+', '', name, flags=re.IGNORECASE) cleaned_name = cleaned_name.strip() result[i] = cleaned_name return result class TitulkyProvider(Provider, ProviderSubtitleArchiveMixin): """Titulky.com provider""" languages = {Language(l) for l in ['ces', 'slk']} video_types = (Episode, Movie) hash_verifiable = False hearing_impaired_verifiable = False server_url = 'https://premium.titulky.com' login_url = server_url logout_url = f"{server_url}?action=logout" download_url = f"{server_url}/download.php?id=" timeout = 30 max_threads = 5 subtitle_class = TitulkySubtitle def __init__(self, username=None, password=None, skip_wrong_fps=None, approved_only=None, multithreading=None): if not all([username, password]): raise ConfigurationError("Username and password must be specified!") if type(skip_wrong_fps) is not bool: raise ConfigurationError( f"Skip_wrong_fps {skip_wrong_fps} must be a boolean!") if type(approved_only) is not bool: raise ConfigurationError( f"Approved_only {approved_only} must be a boolean!") if type(multithreading) is not bool: raise ConfigurationError( f"Multithreading {multithreading} must be a boolean!") self.username = username self.password = password self.skip_wrong_fps = skip_wrong_fps self.approved_only = approved_only self.multithreading = multithreading self.session = None def initialize(self): self.session = Session() # Set max pool size to the max number of threads we will use (i .e. the max number of search result rows) # or set it to the default value if multithreading is disabled. pool_maxsize = self.max_threads + 3 if self.max_threads > 10 else 10 self.session.mount('https://', HTTPAdapter(pool_maxsize=pool_maxsize)) self.session.mount('http://', HTTPAdapter(pool_maxsize=pool_maxsize)) # Set headers cached_user_agent = cache.get('titulky_user_agent') if cached_user_agent == NO_VALUE: new_user_agent = AGENT_LIST[ randint(0, len(AGENT_LIST) - 1) ] cache.set('titulky_user_agent', new_user_agent) self.session.headers['User-Agent'] = new_user_agent else: self.session.headers['User-Agent'] = cached_user_agent self.session.headers['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' self.session.headers['Accept-Language'] = 'sk,cz,en;q=0.5' self.session.headers['Accept-Encoding'] = 'gzip, deflate' self.session.headers['DNT'] = '1' self.session.headers['Connection'] = 'keep-alive' self.session.headers['Upgrade-Insecure-Requests'] = '1' self.session.headers['Cache-Control'] = 'max-age=0' self.login() def terminate(self): self.session.close() def login(self): # Reuse all cookies if found in cache and skip login. cached_cookiejar = cache.get('titulky_cookiejar') if cached_cookiejar != NO_VALUE: logger.info("Titulky.com: Reusing cached cookies.") self.session.cookies.update(cached_cookiejar) return True logger.info("Titulky.com: Logging in...") data = {'LoginName': self.username, 'LoginPassword': self.password} res = self.session.post(self.server_url, data, allow_redirects=False, timeout=self.timeout, headers={'Referer': self.server_url}) location_qs = parse_qs(urlparse(res.headers['Location']).query) # If the response is a redirect and doesnt point to an error message page, then we are logged in if res.status_code == 302 and location_qs['msg_type'][0] == 'i': if 'omezené' in location_qs['msg'][0]: raise AuthenticationError("V.I.P. account is required for this provider to work!") else: logger.info("Titulky.com: Successfully logged in, caching cookies for future connections...") cache.set('titulky_cookiejar', self.session.cookies.copy()) return True else: raise AuthenticationError("Login failed") def logout(self): logger.info("Titulky.com: Logging out") res = self.session.get(self.logout_url, allow_redirects=False, timeout=self.timeout, headers={'Referer': self.server_url}) location_qs = parse_qs(urlparse(res.headers['Location']).query) logger.info("Titulky.com: Clearing cache...") cache.delete('titulky_cookiejar') cache.delete('titulky_user_agent') # If the response is a redirect and doesnt point to an error message page, then we are logged out if res.status_code == 302 and location_qs['msg_type'][0] == 'i': return True else: raise AuthenticationError("Logout failed.") # GET request a page. This functions acts as a requests.session.get proxy handling expired cached cookies # and subsequent relogging and sending the original request again. If all went well, returns the response. def get_request(self, url, ref=None, __recursion=0): # That's deep... recursion... Stop. We don't have infinite memmory. And don't want to # spam titulky's server either. So we have to just accept the defeat. Let it throw! if __recursion >= 5: logger.debug(f"Titulky.com: Got into a loop while trying to send a request after relogging.") raise AuthenticationError("Got into a loop and couldn't get authenticated!") logger.debug(f"Titulky.com: Fetching url: {url}") res = self.session.get( url, timeout=self.timeout, allow_redirects=False, headers={'Referer': ref if ref else self.server_url}) # Check if we got redirected because login cookies expired. # Note: microoptimization - don't bother parsing qs for non 302 responses. if res.status_code == 302: location_qs = parse_qs(urlparse(res.headers['Location']).query) if location_qs['msg_type'][0] == 'e' and "Přihlašte se" in location_qs['msg'][0]: logger.debug(f"Titulky.com: Login cookies expired.") self.login() return self.get_request(url, ref=ref, __recursion=++__recursion) return res def fetch_page(self, url, ref=None): logger.debug(f"Titulky.com: Fetching url: {url}") res = self.get_request(url, ref=ref) if res.status_code != 200: raise HTTPError(f"Fetch failed with status code {res.status_code}") if not res.text: raise ProviderError("No response returned from the provider") return res.text def build_search_url(self, params): result = f"{self.server_url}/?" params['action'] = 'search' # Requires subtitle names to match full search keyword params['fsf'] = 1 for key, value in params.items(): result += f'{key}={value}&' # Remove the last & result = result[:-1] # Remove spaces result = result.replace(' ', '+') return result # Parse details of an individual subtitle: imdb_id, release, language, uploader, fps and year def parse_details(self, details_url, search_url): html_src = self.fetch_page(details_url, ref=search_url) details_page_soup = ParserBeautifulSoup(html_src, ['lxml', 'html.parser']) details_container = details_page_soup.find('div', class_='detail') if not details_container: # The subtitles could be removed and got redirected to a different page. Better treat this silently. logger.info("Titulky.com: Could not find details div container. Skipping.") return False ### IMDB ID imdb_id = None imdb_tag = details_container.find('a', attrs={'target': 'imdb'}) if imdb_tag: imdb_url = imdb_tag.get('href') imdb_id = re.findall(r'tt(\d+)', imdb_url)[0] if not imdb_id: logger.debug("Titulky.com: No IMDB ID supplied on details page.") ### RELEASE release = None release_tag = details_container.find('div', class_='releas') if not release_tag: raise ParseResponseError( "Could not find release tag. Did the HTML source change?") release = release_tag.get_text(strip=True) if not release: logger.debug("Titulky.com: No release information supplied on details page.") ### LANGUAGE language = None czech_flag = details_container.select('img[src*=\'flag-CZ\']') slovak_flag = details_container.select('img[src*=\'flag-SK\']') if czech_flag and not slovak_flag: language = Language('ces') elif slovak_flag and not czech_flag: language = Language('slk') if not language: logger.debug("Titulky.com: No language information supplied on details page.") ### UPLOADER uploader = None uploader_tag = details_container.find('div', class_='ulozil') if not uploader_tag: raise ParseResponseError( "Could not find uploader tag. Did the HTML source change?") uploader_anchor_tag = uploader_tag.find('a') if not uploader_anchor_tag: raise ParseResponseError( "Could not find uploader anchor tag. Did the HTML source change?" ) uploader = uploader_anchor_tag.string.strip( ) if uploader_anchor_tag else None if not uploader: logger.debug("Titulky.com: No uploader name supplied on details page.") ### FPS fps = None fps_icon_tag_selection = details_container.select( 'img[src*=\'Movieroll\']') if not fps_icon_tag_selection and not hasattr(fps_icon_tag_selection[0], 'parent'): raise ParseResponseError( "Could not find parent of the fps icon tag. Did the HTML source change?" ) fps_icon_tag = fps_icon_tag_selection[0] parent_text = fps_icon_tag.parent.get_text(strip=True) match = re.findall(r'(\d+,\d+) fps', parent_text) # If the match is found, change the decimal separator to a dot and convert to float fps = float(match[0].replace(',', '.')) if len(match) > 0 else None if not fps: logger.debug("Titulky.com: No fps supplied on details page.") ### YEAR year = None h1_tag = details_container.find('h1', id='titulky') if not h1_tag: raise ParseResponseError( "Could not find h1 tag. Did the HTML source change?") # The h1 tag contains the name of the subtitle and a year h1_texts = [text for text in h1_tag.stripped_strings] year = int(h1_texts[1]) if len(h1_texts) > 1 else None if not year: logger.debug("Titulky.com: No year supplied on details page.") # Clean up details_page_soup.decompose() details_page_soup = None # Return the subtitle details return { 'releases': [release], 'language': language, 'uploader': uploader, 'fps': fps, 'year': year, 'imdb_id': imdb_id } def process_row(self, row, video_names, search_url, thread_id=None, threads_data=None): try: # The first anchor tag is an image preview, the second is the name anchor_tag = row.find_all('a')[1] # The details link is relative, so we need to remove the dot at the beginning details_link = f"{self.server_url}{anchor_tag.get('href')[1:]}" id_match = re.findall(r'id=(\d+)', details_link) sub_id = id_match[0] if len(id_match) > 0 else None download_link = f"{self.download_url}{sub_id}" # Approved subtitles have a pbl1 class for their row, others have a pbl0 class approved = True if 'pbl1' in row.get('class') else False # Subtitle name + its alternative names table_columns = row.findAll('td') main_sub_name = anchor_tag.get_text(strip=True) alt_sub_names = [ alt_sub_name.strip() for alt_sub_name in table_columns[2].string.split('/') ] if table_columns[2].string else [] sub_names = [main_sub_name] + alt_sub_names # Does at least one subtitle name contain one of the video names? # Skip subtitles that do not match # Video names -> the main title and alternative titles of a movie or an episode and so on... # Subtitle names -> the main name and alternative names of a subtitle displayed in search results. # Could be handled in TitulkySubtitle class, however we want to keep the number of requests # as low as possible and this prevents the from requesting the details page unnecessarily if not _contains_element(_from=video_names, _in=sub_names): logger.info( f"Titulky.com: Skipping subtitle with names: {sub_names}, because there was no match with video names: {video_names}" ) if type(threads_data) is list and type(thread_id) is int: threads_data[thread_id] = { 'sub_info': None, 'exception': None } return None details = self.parse_details(details_link, search_url) if not details: # Details parsing was NOT successful, skipping if type(threads_data) is list and type(thread_id) is int: threads_data[thread_id] = { 'sub_info': None, 'exception': None } return None # Combine all subtitle data into one dict result = { 'names': sub_names, 'id': sub_id, 'approved': approved, 'details_link': details_link, 'download_link': download_link } result.update(details) if type(threads_data) is list and type(thread_id) is int: threads_data[thread_id] = { 'sub_info': result, 'exception': None } return details except Exception as e: if type(threads_data) is list and type(thread_id) is int: threads_data[thread_id] = {'sub_info': None, 'exception': e} raise e # There are multiple ways to find subs from this provider: # 1. SEARCH by sub title # - parameter: .................. Fulltext= # 2. SEARCH by imdb id # - parameter: .................. IMDB= # 3. SEARCH by season/episode # - parameter: .................. Sezona= # - parameter: .................. Epizoda= # 4. SEARCH by year # - parameter: .................. Rok= # 5. SEARCH by video type # - parameter: .................. Serial=<('S' for series | 'F' for movies | '' for all)> # 6. SEARCH by language # - parameter: .................. Jazyk=<('CZ' for czech | 'SK' for slovak | '' for all)> # 7. SEARCH by status # - parameter: .................. ASchvalene=<('1' for approved only | '-0' for subs awaiting approval | '' for all)> # - redirects should NOT be allowed here # # 8. BROWSE subtitles by IMDB ID # - Subtitles are here categorised by seasons and episodes # - URL: https://premium.titulky.com/?action=serial&step=&id= # - it seems that the url redirects to a page with their own internal ID, redirects should be allowed here def query(self, language, video_names, type, keyword=None, year=None, season=None, episode=None, imdb_id=None): ## Build the search URL params = {} # Keyword if keyword: params['Fulltext'] = keyword # Video type if type == 'episode': params['Serial'] = 'S' else: params['Serial'] = 'F' # Season / Episode if season: params['Sezona'] = season if episode: params['Epizoda'] = episode # IMDB ID if imdb_id: params['IMDB'] = imdb_id[2:] # Remove the tt from the imdb id # Year if year: params['Rok'] = year # Language if language == Language('ces'): params['Jazyk'] = 'CZ' elif language == Language('slk'): params['Jazyk'] = 'SK' elif language == None: params['Jazyk'] = '' else: return [] # Status if self.approved_only: logger.debug(f"Titulky.com: Searching only for approved subtitles") params['ASchvalene'] = '1' else: params['ASchvalene'] = '' search_url = self.build_search_url(params) ## Search results page parsing html_src = self.fetch_page(search_url) search_page_soup = ParserBeautifulSoup(html_src, ['lxml', 'html.parser']) # If there is a message containing "Žádny odpovídající záznam", it means that there are no results # If that's the case, return an empty list error_message = search_page_soup.select('.panel-body > strong') if len( error_message ) > 0 and 'Žádný odpovídající záznam' in error_message[0].get_text( strip=True): logger.info("Titulky.com: No results found") return [] # Get the table containing the search results table = search_page_soup.find('table', class_='table') if not table: logger.debug("Titulky.com: Could not find table") raise ParseResponseError( "Could not find table. Did the HTML source change?") # Get table body containing rows of subtitles table_body = table.find('tbody') if not table_body: logger.debug("Titulky.com: Could not find table body") raise ParseResponseError( "Could not find table body. Did the HTML source change?") ## Loop over all subtitles on the first page and put them in a list subtitles = [] rows = table_body.find_all('tr') if not self.multithreading: # Process the rows sequentially logger.info("Titulky.com: processing results in sequence") for i, row in enumerate(rows): sub_info = self.process_row(row, video_names, search_url) # If subtitle info was returned, then everything was okay # and we can instationate it and add it to the list if sub_info: logger.debug( f"Titulky.com: Sucessfully retrieved subtitle info, row: {i}" ) # If we found the subtitle by IMDB ID, no need to get it from details page sub_imdb_id = imdb_id or sub_info['imdb_id'] subtitle_instance = self.subtitle_class( sub_info['id'], sub_imdb_id, sub_info['language'], sub_info['names'], season, episode, sub_info['year'], sub_info['releases'], sub_info['fps'], sub_info['uploader'], sub_info['approved'], sub_info['details_link'], sub_info['download_link'], skip_wrong_fps=self.skip_wrong_fps, asked_for_episode=(type == 'episode')) subtitles.append(subtitle_instance) else: # No subtitle info was returned, i. e. something unexpected # happend during subtitle details page fetching and processing. logger.debug(f"Titulky.com: No subtitle info retrieved, row: {i}") else: # Process the rows in paralell logger.info( f"Titulky.com: processing results in parelell, {self.max_threads} rows at a time." ) threads = [None] * len(rows) threads_data = [None] * len(rows) # Process rows in parallel, self.max_threads at a time. cycles = math.ceil(len(rows) / self.max_threads) for i in range(cycles): # Batch number i starting_index = i * self.max_threads # Inclusive ending_index = starting_index + self.max_threads # Non-inclusive # Create threads for all rows in this batch for j in range(starting_index, ending_index): # Check if j-th row exists if j < len(rows): # Row number j logger.debug( f"Titulky.com: Creating thread {j} (batch: {i})") # Create a thread for row j and start it threads[j] = Thread( target=self.process_row, args=[rows[j], video_names, search_url], kwargs={ 'thread_id': j, 'threads_data': threads_data }) threads[j].start() # Wait for all created threads to finish before moving to another batch of rows for j in range(starting_index, ending_index): # Check if j-th row exists if j < len(rows): threads[j].join() # Process the resulting data from all threads for i in range(len(threads_data)): thread_data = threads_data[i] # If the thread returned didn't return anything, but expected a dict object if not thread_data: raise ProviderError(f"No data returned from thread ID: {i}") # If an exception was raised in a thread, raise it again here if 'exception' in thread_data and thread_data['exception']: logger.debug( f"Titulky.com: An error occured while processing a row in the thread ID {i}" ) raise thread_data['exception'] # If the thread returned a subtitle info, great, instantiate it and add it to the list if 'sub_info' in thread_data and thread_data['sub_info']: # Instantiate the subtitle object logger.debug( f"Titulky.com: Sucessfully retrieved subtitle info, thread ID: {i}" ) sub_info = thread_data['sub_info'] # If we found the subtitle by IMDB ID, no need to get it from details page sub_imdb_id = imdb_id or sub_info['imdb_id'] subtitle_instance = self.subtitle_class( sub_info['id'], sub_imdb_id, sub_info['language'], sub_info['names'], season, episode, sub_info['year'], sub_info['releases'], sub_info['fps'], sub_info['uploader'], sub_info['approved'], sub_info['details_link'], sub_info['download_link'], skip_wrong_fps=self.skip_wrong_fps, asked_for_episode=(type == 'episode')) subtitles.append(subtitle_instance) else: # The thread returned data, but it didn't contain a subtitle info, i. e. something unexpected # happend during subtitle details page fetching and processing. logger.debug( f"Titulky.com: No subtitle info retrieved, thread ID: {i}" ) # Clean up search_page_soup.decompose() search_page_soup = None logger.debug(f"Titulky.com: Found subtitles: {subtitles}") return subtitles def list_subtitles(self, video, languages): subtitles = [] # Possible paths: # (1) Search by IMDB ID [and season/episode for tv series] # (2) Search by keyword: video (title|series) [and season/episode for tv series] # (3) Search by keyword: video series + S00E00 (tv series only) for language in languages: if isinstance(video, Episode): video_names = [video.series, video.title ] + video.alternative_series # (1) logger.info( "Titulky.com: Finding subtitles by IMDB ID, Season and Episode (1)" ) if video.series_imdb_id: partial_subs = self.query(language, video_names, 'episode', imdb_id=video.series_imdb_id, season=video.season, episode=video.episode) if (len(partial_subs) > 0): subtitles += partial_subs continue # (2) logger.info( "Titulky.com: Finding subtitles by keyword, Season and Episode (2)" ) keyword = video.series partial_subs = self.query(language, video_names, 'episode', keyword=keyword, season=video.season, episode=video.episode) if (len(partial_subs) > 0): subtitles += partial_subs continue # (3) logger.info("Titulky.com: Finding subtitles by keyword only (3)") keyword = f"{video.series} S{video.season:02d}E{video.episode:02d}" partial_subs = self.query(language, video_names, 'episode', keyword=keyword) subtitles += partial_subs elif isinstance(video, Movie): video_names = [video.title] + video.alternative_titles # (1) logger.info("Titulky.com: Finding subtitles by IMDB ID (1)") if video.imdb_id: partial_subs = self.query(language, video_names, 'movie', imdb_id=video.imdb_id) if (len(partial_subs) > 0): subtitles += partial_subs continue # (2) logger.info("Titulky.com: Finding subtitles by keyword (2)") keyword = video.title partial_subs = self.query(language, video_names, 'movie', keyword=keyword) subtitles += partial_subs return subtitles def download_subtitle(self, subtitle): res = self.get_request(subtitle.download_link, ref=subtitle.page_link) try: res.raise_for_status() except: raise HTTPError( f"An error occured during the download request to {subtitle.download_link}" ) archive_stream = io.BytesIO(res.content) archive = None if rarfile.is_rarfile(archive_stream): logger.debug("Titulky.com: Identified rar archive") archive = rarfile.RarFile(archive_stream) subtitle_content = self.get_subtitle_from_archive(subtitle, archive) elif zipfile.is_zipfile(archive_stream): logger.debug("Titulky.com: Identified zip archive") archive = zipfile.ZipFile(archive_stream) subtitle_content = self.get_subtitle_from_archive(subtitle, archive) else: subtitle_content = fix_line_ending(res.content) if not subtitle_content: logger.debug( "Titulky.com: No subtitle content found. The downloading limit has been most likely exceeded." ) raise DownloadLimitExceeded( "Subtitles download limit has been exceeded") subtitle.content = subtitle_content # Check if any element from source array is contained partially or exactly in any element from target array # Returns on the first match def _contains_element(_from=None, _in=None, exactly=False): source_array = _from target_array = _in for source in source_array: for target in target_array: if exactly: if sanitize(source) == sanitize(target): return True else: if sanitize(source) in sanitize(target): return True return False