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Diffstat (limited to 'tirante.py')
| -rw-r--r-- | tirante.py | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/tirante.py b/tirante.py new file mode 100644 index 0000000..8466250 --- /dev/null +++ b/tirante.py @@ -0,0 +1,464 @@ +import os +import urllib3 +from bs4 import BeautifulSoup +import requests + +# Main manga source. +MAIN_URL = 'https://manganelo.com/manga/' +# Manga name. +MANGA_NAME = 'Kimetsu no Yaiba' +# Manga name in the form of how appears in the url. +MANGA_NAME_URL = 'kimetsu_no_yaiba/' + +# PC main file location. +MANGA_DIR = 'E:\\Mangas\\' +# PC main manga data location. +MANGA_DATA_DIR = ''.join(['C:\\Users\\Lorentzeus\\Google Drive\\', + 'Personal\\Python\\mangas\\data']) + + +def get_chapters_list(main_url=MAIN_URL, + manga_name_url=MANGA_NAME_URL, + manga_name=MANGA_NAME, + reverse_sorted=True): + """ + Retrieves chapter urls and names. Returns a list of lists + containing the url and the title of the chapter. + main_url: Main webpage name (source). + manga_name_url: Name of the manga in the url format + that's used by the webpage. + manga_name: Actual name of the manga, as it appears in the webpage. + reverse_sorted: Sorting of the final array. + """ + + manga_url = ''.join([MAIN_URL, MANGA_NAME_URL]) + + # Not actually a file, but the content of the html. + html = urllib3.PoolManager().request('GET', manga_url) + + # Get the data from the html and parse it. + soup = BeautifulSoup(html.data, 'html.parser') + + # Get the "rows" class, this contains the url + # and title data for each chapter. + # Deletes the first tag, since it's not useful. + soup_rows = soup.find_all('div', {'class': 'row'}) + del soup_rows[0] + + # Creates a list to store date for each url and chapter name. + chapter_list = [] + + for row in soup_rows: + + # Gets the url name from the a tag. + href = row.a['href'] + # Same, for the title. Deletes every ocurrance of the manga name, + # unwanted characters and then gets everyword. + title_words = row.a['title'].replace(manga_name, '').replace('?', '') + title_words = title_words.replace(':', '').replace('-', '') + title_words = title_words.replace('...', '').replace(',', '').split() + + # Doing all the work in oneliner doesn't work for some chapters, + # for some reason. + # title = '_'.join(row.a['title'].replace(manga_name, '') + # .replace(':', '').replace('-', '').lower().split()) + + # Lowers every word and appends it to a new list, + # then it gets joined with '_' as a sep. + title_words_lower = [] + for word in title_words: + title_words_lower.append(word.lower()) + + title = '_'.join(title_words_lower) + + # print(href, title) + chapter_list.append([href, title]) + + if reverse_sorted: + return chapter_list[::-1] + else: + return chapter_list + + +def chapters_list_to_csv(chapters_list, + manga_name=MANGA_NAME): + """ + Creates a csv file from the input chapter_list. + chapters_list: List of data of the chapters. + manga_name: Name of the manga, folder naming friendly. + """ + + # Adding '.csv' for csv creation. + m_name_ext = ''.join([manga_name, '.csv']) + # print(m_name) + + with open(m_name_ext, 'w') as outcsv: + for chapter in chapters_list: + outcsv.write(''.join([chapter[0], ',', chapter[1], '\n'])) + + +def chapters_csv_to_list(chapter_csv): + """ + Gives a list of chaptesrs from a csv file. + chapters_list: List of data of the chapters. + """ + + out_chapters_list = [] + + with open(chapter_csv, 'r') as incsv: + lines = incsv.readlines() + for line in lines: + out_chapters_list.append(line.strip().split(',')) + + return out_chapters_list + + +def get_chapter_image_list(chapter_data): + """ + Gets the links for each image in the chapter, + and returns a list of the links. + Returns a list of the image urls and its file name. + chapter_data: A list containing a url and a title. + NOTE: Not for direct use with the result of 'get_chapters_list' + """ + + # Not actually a file, but the content of the html. + html = urllib3.PoolManager().request('GET', chapter_data[0]) + + # Get the data from the html and parse it. + soup = BeautifulSoup(html.data, 'html.parser') + + # Get the "vung-doc" class, this contains a url for each page, + # which redirects to the source of the image. + # Deletes the first and last items, since they're trash. + soup_img = soup.find_all('img') + del soup_img[0] + del soup_img[len(soup_img)-1] + + # Stores each image url in a list. + image_url_list = [] + for img in soup_img: + # Gets the sring of the url, splits it by the char '/', + # and gets the last item, which is the name of the file. + + image_url_list.append([img['src'], img['src'].split('/')[-1]]) + + return image_url_list + + +def chapter_image_list_to_csv(chapter_data): + """ + Creates csv file for a chapter, given the list. + chapter_data: A list containing a url and a title. + """ + + ch_name = ''.join([chapter_data[1], '.csv']) + + chapter_image_list = get_chapter_image_list(chapter_data) + + with open(ch_name, 'w') as outcsv: + for image in chapter_image_list: + outcsv.write(''.join([image[0], ',', image[1], '\n'])) + + +def chapter_image_csv_to_list(chapter_image_csv): + """ + Returns a list given the csv file. + chapter_image_csv: csv containing data for the chapter. + """ + + out_chapter_image_list = [] + + with open(chapter_image_csv, 'r') as incsv: + lines = incsv.readlines() + for line in lines: + # print(line.strip().split(',')) + out_chapter_image_list.append(line.strip().split(',')) + + return out_chapter_image_list + + +def create_database(main_url=MAIN_URL, + manga_name_url=MANGA_NAME_URL, + manga_name=MANGA_NAME, + manga_dir=MANGA_DIR, + manga_data_dir=MANGA_DATA_DIR): + """ + Creates a database from zero, made of csv files. + main_url: Main webpage name (source). + manga_name_url: Name of the manga in the url format + that's used by the webpage. + manga_name: Actual name of the manga, as it appears in the webpage. + manga_dir: Main manga folder in computer, subfolders here will be created. + manga_data_dir: Main manga data folder in computer. + NOTE: This does not updates the database. + If a database already exists, omits the creation of new files. + """ + + # A better "naming" for the manga, for use with folder creation. + # As well as the name of the main database. + m_name = '_'.join(word.lower() for word in manga_name.split()) + m_name_ext = ''.join([m_name, '.csv']) + + # Navigate to where the main data folder is, + # then to where the manga folder is. + os.chdir(manga_data_dir) + try: + os.mkdir(m_name) + os.chdir(m_name) + except FileExistsError: + print(''.join([m_name, + ' folder already exists.'])) + os.chdir(m_name) + + # List of files and folders in the current path. + data_list_dir = os.listdir() + + # Get the list of chapters, if this already exists, + # read it from the database. + # This is the main manga data. + if m_name_ext not in data_list_dir: + chapters_list = get_chapters_list(main_url=main_url, + manga_name_url=manga_name_url, + manga_name=manga_name) + chapters_list_to_csv(chapters_list=chapters_list, manga_name=m_name) + else: + print(''.join([m_name_ext, ' already exists.'])) + chapters_list = chapters_csv_to_list(m_name_ext) + + # Data for each chapter. + for chapter in chapters_list: + # Get the list for the images of each chapter. + chapter_name_ext = ''.join([chapter[1], '.csv']) + if chapter_name_ext not in data_list_dir: + chapter_image_list_to_csv(chapter) + else: + print(''.join([chapter_name_ext, ' already exists.'])) + + +def update_database(main_url=MAIN_URL, + manga_name_url=MANGA_NAME_URL, + manga_name=MANGA_NAME, + manga_dir=MANGA_DIR, + manga_data_dir=MANGA_DATA_DIR): + """ + Updates the database already created, adding missing ones. + main_url: Main webpage name (source). + manga_name_url: Name of the manga in the url format + that's used by the webpage. + manga_name: Actual name of the manga, as it appears in the webpage. + manga_dir: Main manga folder in computer, subfolders here will be created. + manga_data_dir: Main manga data folder in computer. + """ + + # A better "naming" for the manga, for use with folder creation. + # As well as the name of the main database. + m_name = '_'.join(word.lower() for word in manga_name.split()) + m_name_ext = ''.join([m_name, '.csv']) + + # Navigate to where the main data folder is, + # then to where the manga folder is. + os.chdir(manga_data_dir) + try: + os.mkdir(m_name) + os.chdir(m_name) + except FileExistsError: + print(''.join([m_name, + ' folder already exists.'])) + os.chdir(m_name) + + # Get a list of files present in path. + data_list_dir = os.listdir() + + # First, download the data from the web. + new_chapter_list = get_chapters_list(main_url=main_url, + manga_name_url=manga_name_url, + manga_name=manga_name, + reverse_sorted=False) + + # And then, read the current database. + last_chapter = chapters_csv_to_list(m_name_ext)[-1] + + # The missing chapters. + missing_chapters = [] + for chapter in new_chapter_list: + # If we get to the last acquired chapter, exit loop. + if chapter == last_chapter: + break + missing_chapters.append(chapter) + + # Reverse the order. + missing_chapters = missing_chapters[::-1] + + # Write the last chapters to already existing csv file. + # No need for checking if items are present, + # since that's checked on the last steps, + # that's how missing_chapters is acquired. + with open(m_name_ext, 'a') as outcsv: + for chapter in missing_chapters: + outcsv.write(''.join([chapter[0], ',', chapter[1], '\n'])) + + # Create the missing csv data files for each chapter. + for chapter in missing_chapters: + # Get the list for the images of each chapter. + chapter_name_ext = ''.join([chapter[1], '.csv']) + if chapter_name_ext not in data_list_dir: + chapter_image_list_to_csv(chapter) + else: + print(''.join([chapter_name_ext, ' already exists.'])) + + +def download_image(image_list): + """ + Downloads an image from the specified url, + and saves it with the specified name. + image_list: list that contains url and name. + """ + + # Gets the content of an image rom its url. + img_data = requests.get(image_list[0]).content + + # Opens a file with its corresponding name as 'wb' (write, binary), + # and then, writes the img_data. + with open(image_list[1], 'wb') as handler: + handler.write(img_data) + + +def download_chapter(image_list): + """ + Downloads the whole chapter as images. + image_url_list: List containing urls and file names for each image. + """ + + for image in image_list: + print(image) + download_image(image) + + +def download_manga(manga_name=MANGA_NAME, + manga_dir=MANGA_DIR, + manga_data_dir=MANGA_DATA_DIR): + """ + Downloads a whole manga, saving it to subfolders. + Uses the database already created. + that's used by the webpage. + manga_name: Actual name of the manga, as it appears in the webpage. + manga_dir: Main manga folder in computer, subfolders here will be created. + manga_data_dir: Main manga data folder in computer. + NOTE: This updates the manga, downloading the missing chapters + if they're listed in the database. + """ + + # A better "naming" for the manga, for use with folder creation. + # As well as the name of the main database. + m_name = '_'.join(word.lower() for word in manga_name.split()) + m_name_ext = ''.join([m_name, '.csv']) + + # Go to where the database is located. + os.chdir(manga_data_dir) + try: + os.chdir(m_name) + except FileNotFoundError: + print(''.join([m_name, + ' folder doesn\'t exist.', + ' Most likely, the database hasn\'t been created.'])) + raise NameError('Create database first.') + + # Get info of the files in the database. + data_list_dir = os.listdir() + + # Reads data from the main database. + if m_name_ext not in data_list_dir: + print(''.join([m_name, + ' database hasn\'t been created.', + ' Most likely, the database hasn\'t been created.'])) + raise NameError('Create database first.') + else: + chapters_list = chapters_csv_to_list(m_name_ext) + + # Navigate to the main manga dir, + # and either create or go to manga folder. + os.chdir(manga_dir) + try: + os.mkdir(manga_name) + os.chdir(manga_name) + except FileExistsError: + print(''.join([manga_name, + ' folder already exists.'])) + os.chdir(manga_name) + + # Get data of the folders in the manga folder. + manga_list_dir = os.listdir() + + for chapter in chapters_list: + # chapter_url = chapter[0] + chapter_name = chapter[1] + ch_name_ext = ''.join([chapter_name, '.csv']) + + if chapter_name not in manga_list_dir: + print(''.join(['Downloading ', + chapter_name, + ' now.'])) + # First, create the chapter folder. + os.mkdir(chapter_name) + + # Go to where the database is located. + os.chdir(manga_data_dir) + os.chdir(m_name) + chapter_image_list = chapter_image_csv_to_list(ch_name_ext) + + # Go back to where the manga is going ot be downloaded. + os.chdir(manga_dir) + os.chdir(manga_name) + os.chdir(chapter_name) + + # Download all the chapter images on its respective folder. + download_chapter(chapter_image_list) + + # Go back one folder to repeat the process + # for the next chapter. + os.chdir('..') + else: + print(''.join([chapter_name, + ' already downloaded.'])) + + +# +# +# TEST STUFF +# + +# create_database() +# update_database() +# download_manga() + +# print(os.listdir()) + +# chapter_csv_to_df(chapter_csv='kimetsu_no_yaiba.csv') +# download_manga() + +# chapter_list = get_chapters_list() +# for chapter in chapter_list: +# print(chapter) + +# chapters_list_to_csv(chapters_list=chapter_list) + +# os.chdir('data/kimetsu_no_yaiba') +# for image in chapter_image_csv_to_list('chapter_1_cruelty.csv'): +# print(image) + +# chapters_list = chapters_csv_to_list(chapter_csv='kimetsu_no_yaiba.csv') + +# chapter_image_list_to_csv(chapters_list[0]) + + +# first_chapter_img_url_list = get_chapter_image_list(chapter_list[0]) + +# download_image(first_chapter_img_url_list[0]) + + +# os.chdir(MANGA_DIR) + +# download_chapter(first_chapter_img_url_list) + +print('This is a test, bitch.') |