README.rst

@@ -22,7 +22,7 @@ From Github:
 
     git clone https://github.com/RicterZ/nhentai
     cd nhentai
-    pip install --no-cache-dir .
+    python setup.py install
 
 Build Docker container:
 
@@ -136,8 +136,6 @@ Format output doujinshi folder name:
 .. code-block:: bash
 
     nhentai --id 261100 --format '[%i]%s'
-    # for Windows
-    nhentai --id 261100 --format "[%%i]%%s"
 
 Supported doujinshi folder formatter:
 
@@ -150,7 +148,6 @@ Supported doujinshi folder formatter:
 - %p: Doujinshi pretty name
 - %ag: Doujinshi authors name or groups name
 
-Note: for Windows operation system, please use double "%", such as "%%i".
 
 Other options:
 

nhentai/__init__.py

@@ -1,3 +1,3 @@
-__version__ = '0.6.0-beta'
+__version__ = '0.5.20'
 __author__ = 'RicterZ'
 __email__ = 'ricterzheng@gmail.com'

nhentai/cmdline.py

@@ -6,10 +6,10 @@ import json
 import nhentai.constant as constant
 
 from urllib.parse import urlparse
-from argparse import ArgumentParser
+from optparse import OptionParser
 
 from nhentai import __version__
-from nhentai.utils import generate_html, generate_main_html, DB, EXTENSIONS
+from nhentai.utils import generate_html, generate_main_html, DB
 from nhentai.logger import logger
 from nhentai.constant import PATH_SEPARATOR
 
@@ -57,133 +57,103 @@ def callback(option, _opt_str, _value, parser):
 def cmd_parser():
     load_config()
 
-    parser = ArgumentParser(
+    parser = OptionParser('\n  nhentai --search [keyword] --download'
-        description='\n  nhentai --search [keyword] --download'
                           '\n  NHENTAI=https://nhentai-mirror-url/ nhentai --id [ID ...]'
                           '\n  nhentai --file [filename]'
                           '\n\nEnvironment Variable:\n'
-                    '  NHENTAI                 nhentai mirror url'
+                          '  NHENTAI                 nhentai mirror url')
-    )
-
     # operation options
-    parser.add_argument('--download', '-D', dest='is_download', action='store_true',
+    parser.add_option('--download', '-D', dest='is_download', action='store_true',
                       help='download doujinshi (for search results)')
-    parser.add_argument('--no-download', dest='no_download', action='store_true', default=False,
+    parser.add_option('--show', '-S', dest='is_show', action='store_true',
-                        help='download doujinshi (for search results)')
-    parser.add_argument('--show', '-S', dest='is_show', action='store_true',
                       help='just show the doujinshi information')
 
     # doujinshi options
-    parser.add_argument('--id', dest='id', nargs='+', type=int,
+    parser.add_option('--id', dest='id', action='callback', callback=callback,
                       help='doujinshi ids set, e.g. 167680 167681 167682')
-    parser.add_argument('--search', '-s', type=str, dest='keyword',
+    parser.add_option('--search', '-s', type='string', dest='keyword', action='store',
                       help='search doujinshi by keyword')
-    parser.add_argument('--favorites', '-F', action='store_true', dest='favorites',
+    parser.add_option('--favorites', '-F', action='store_true', dest='favorites',
                       help='list or download your favorites')
-    parser.add_argument('--artist', '-a', type=str, dest='artist',
+    parser.add_option('--artist', '-a', action='store', dest='artist',
                       help='list doujinshi by artist name')
 
     # page options
-    parser.add_argument('--page-all', dest='page_all', action='store_true', default=False,
+    parser.add_option('--page-all', dest='page_all', action='store_true', default=False,
                       help='all search results')
-    parser.add_argument('--page', '--page-range', type=str, dest='page',
+    parser.add_option('--page', '--page-range', type='string', dest='page', action='store',
                       help='page number of search results. e.g. 1,2-5,14')
-    parser.add_argument('--sorting', '--sort', dest='sorting', type=str, default='popular',
+    parser.add_option('--sorting', '--sort', dest='sorting', action='store', default='popular',
                       help='sorting of doujinshi (recent / popular / popular-[today|week])',
                       choices=['recent', 'popular', 'popular-today', 'popular-week', 'date'])
 
     # download options
-    parser.add_argument('--output', '-o', type=str, dest='output_dir', default='.',
+    parser.add_option('--output', '-o', type='string', dest='output_dir', action='store',
+                      default=f'.{PATH_SEPARATOR}',
                       help='output dir')
-    parser.add_argument('--threads', '-t', type=int, dest='threads', default=5,
+    parser.add_option('--threads', '-t', type='int', dest='threads', action='store', default=5,
                       help='thread count for downloading doujinshi')
-    parser.add_argument('--timeout', '-T', type=int, dest='timeout', default=30,
+    parser.add_option('--timeout', '-T', type='int', dest='timeout', action='store', default=30,
                       help='timeout for downloading doujinshi')
-    parser.add_argument('--delay', '-d', type=int, dest='delay', default=0,
+    parser.add_option('--delay', '-d', type='int', dest='delay', action='store', default=0,
                       help='slow down between downloading every doujinshi')
-    parser.add_argument('--retry', type=int, dest='retry', default=3,
+    parser.add_option('--retry', type='int', dest='retry', action='store', default=3,
                       help='retry times when downloading failed')
-    parser.add_argument('--exit-on-fail', dest='exit_on_fail', action='store_true', default=False,
+    parser.add_option('--exit-on-fail', dest='exit_on_fail', action='store_true', default=False,
                       help='exit on fail to prevent generating incomplete files')
-    parser.add_argument('--proxy', type=str, dest='proxy',
+    parser.add_option('--proxy', type='string', dest='proxy', action='store',
                       help='store a proxy, for example: -p "http://127.0.0.1:1080"')
-    parser.add_argument('--file', '-f', type=str, dest='file',
+    parser.add_option('--file', '-f', type='string', dest='file', action='store',
                       help='read gallery IDs from file.')
-    parser.add_argument('--format', type=str, dest='name_format', default='[%i][%a][%t]',
+    parser.add_option('--format', type='string', dest='name_format', action='store',
-                        help='format the saved folder name')
+                      help='format the saved folder name', default='[%i][%a][%t]')
+    parser.add_option('--dry-run', action='store_true', dest='dryrun', help='Dry run, skip file download')
 
-    parser.add_argument('--no-filename-padding', action='store_true', dest='no_filename_padding',
+    parser.add_option('--no-filename-padding', action='store_true', dest='no_filename_padding',
                       default=False, help='no padding in the images filename, such as \'001.jpg\'')
 
     # generate options
-    parser.add_argument('--html', dest='html_viewer', type=str, nargs='?', const='.',
+    parser.add_option('--html', dest='html_viewer', action='store_true',
-                        help='generate an HTML viewer in the specified directory, or scan all subfolders '
+                      help='generate a html viewer at current directory')
-                             'within the entire directory to generate the HTML viewer. By default, current '
+    parser.add_option('--no-html', dest='is_nohtml', action='store_true',
-                             'working directory is used.')
-    parser.add_argument('--no-html', dest='is_nohtml', action='store_true',
                       help='don\'t generate HTML after downloading')
-    parser.add_argument('--gen-main', dest='main_viewer', action='store_true',
+    parser.add_option('--gen-main', dest='main_viewer', action='store_true',
                       help='generate a main viewer contain all the doujin in the folder')
-    parser.add_argument('--cbz', '-C', dest='is_cbz', action='store_true',
+    parser.add_option('--cbz', '-C', dest='is_cbz', action='store_true',
                       help='generate Comic Book CBZ File')
-    parser.add_argument('--pdf', '-P', dest='is_pdf', action='store_true',
+    parser.add_option('--pdf', '-P', dest='is_pdf', action='store_true',
                       help='generate PDF file')
-
+    parser.add_option('--rm-origin-dir', dest='rm_origin_dir', action='store_true', default=False,
-    parser.add_argument('--meta', dest='generate_metadata', action='store_true', default=False,
-                        help='generate a metadata file in doujinshi format')
-    parser.add_argument('--update-meta', dest='update_metadata', action='store_true', default=False,
-                        help='update the metadata file of a doujinshi, update CBZ metadata if exists')
-
-    parser.add_argument('--rm-origin-dir', dest='rm_origin_dir', action='store_true', default=False,
                       help='remove downloaded doujinshi dir when generated CBZ or PDF file')
-    parser.add_argument('--move-to-folder', dest='move_to_folder', action='store_true', default=False,
+    parser.add_option('--move-to-folder', dest='move_to_folder', action='store_true', default=False,
                       help='remove files in doujinshi dir then move new file to folder when generated CBZ or PDF file')
-
+    parser.add_option('--meta', dest='generate_metadata', action='store_true',
-    parser.add_argument('--regenerate', dest='regenerate', action='store_true', default=False,
+                      help='generate a metadata file in doujinshi format')
+    parser.add_option('--regenerate', dest='regenerate', action='store_true', default=False,
                       help='regenerate the cbz or pdf file if exists')
-    parser.add_argument('--zip', action='store_true', help='Package into a single zip file')
 
     # nhentai options
-    parser.add_argument('--cookie', type=str, dest='cookie',
+    parser.add_option('--cookie', type='str', dest='cookie', action='store',
                       help='set cookie of nhentai to bypass Cloudflare captcha')
-    parser.add_argument('--useragent', '--user-agent', type=str, dest='useragent',
+    parser.add_option('--useragent', '--user-agent', type='str', dest='useragent', action='store',
                       help='set useragent to bypass Cloudflare captcha')
-    parser.add_argument('--language', type=str, dest='language',
+    parser.add_option('--language', type='str', dest='language', action='store',
                       help='set default language to parse doujinshis')
-    parser.add_argument('--clean-language', dest='clean_language', action='store_true', default=False,
+    parser.add_option('--clean-language', dest='clean_language', action='store_true', default=False,
                       help='set DEFAULT as language to parse doujinshis')
-    parser.add_argument('--save-download-history', dest='is_save_download_history', action='store_true',
+    parser.add_option('--save-download-history', dest='is_save_download_history', action='store_true',
                       default=False, help='save downloaded doujinshis, whose will be skipped if you re-download them')
-    parser.add_argument('--clean-download-history', action='store_true', default=False, dest='clean_download_history',
+    parser.add_option('--clean-download-history', action='store_true', default=False, dest='clean_download_history',
                       help='clean download history')
-    parser.add_argument('--template', dest='viewer_template', type=str, default='',
+    parser.add_option('--template', dest='viewer_template', action='store',
-                        help='set viewer template')
+                      help='set viewer template', default='')
-    parser.add_argument('--legacy', dest='legacy', action='store_true', default=False,
+    parser.add_option('--legacy', dest='legacy', action='store_true', default=False,
                       help='use legacy searching method')
 
-    args = parser.parse_args()
+    args, _ = parser.parse_args(sys.argv[1:])
 
     if args.html_viewer:
-        if not os.path.exists(args.html_viewer):
+        generate_html(template=constant.CONFIG['template'])
-            logger.error(f'Path \'{args.html_viewer}\' not exists')
-            sys.exit(1)
-
-        for root, dirs, files in os.walk(args.html_viewer):
-            if not dirs:
-                generate_html(output_dir=args.html_viewer, template=constant.CONFIG['template'])
-                sys.exit(0)
-
-            for dir_name in dirs:
-                # it will scan the entire subdirectories
-                doujinshi_dir = os.path.join(root, dir_name)
-                items = set(map(lambda s: os.path.splitext(s)[1], os.listdir(doujinshi_dir)))
-
-                # skip directory without any images
-                if items & set(EXTENSIONS):
-                    generate_html(output_dir=doujinshi_dir, template=constant.CONFIG['template'])
-
-            sys.exit(0)
-
         sys.exit(0)
 
     if args.main_viewer and not args.id and not args.keyword and not args.favorites:
@@ -199,23 +169,21 @@ def cmd_parser():
 
     # --- set config ---
     if args.cookie is not None:
-        constant.CONFIG['cookie'] = args.cookie.strip()
+        constant.CONFIG['cookie'] = args.cookie
         write_config()
         logger.info('Cookie saved.')
-
+        sys.exit(0)
-    if args.useragent is not None:
+    elif args.useragent is not None:
-        constant.CONFIG['useragent'] = args.useragent.strip()
+        constant.CONFIG['useragent'] = args.useragent
         write_config()
         logger.info('User-Agent saved.')
-
+        sys.exit(0)
-    if args.language is not None:
+    elif args.language is not None:
         constant.CONFIG['language'] = args.language
         write_config()
         logger.info(f'Default language now set to "{args.language}"')
-        # TODO: search without language
-
-    if any([args.cookie, args.useragent, args.language]):
         sys.exit(0)
+        # TODO: search without language
 
     if args.proxy is not None:
         proxy_url = urlparse(args.proxy)
@@ -269,4 +237,8 @@ def cmd_parser():
         logger.critical('Maximum number of used threads is 15')
         sys.exit(1)
 
+    if args.dryrun and (args.is_cbz or args.is_pdf):
+        logger.critical('Cannot generate PDF or CBZ during dry-run')
+        sys.exit(1)
+
     return args

nhentai/command.py

@@ -4,16 +4,18 @@ import shutil
 import sys
 import signal
 import platform
+import urllib
+
 import urllib3.exceptions
 
 from nhentai import constant
 from nhentai.cmdline import cmd_parser, banner, write_config
 from nhentai.parser import doujinshi_parser, search_parser, legacy_search_parser, print_doujinshi, favorites_parser
 from nhentai.doujinshi import Doujinshi
-from nhentai.downloader import Downloader, CompressedDownloader
+from nhentai.downloader import Downloader
 from nhentai.logger import logger
 from nhentai.constant import BASE_URL
-from nhentai.utils import generate_html, generate_doc, generate_main_html, generate_metadata, \
+from nhentai.utils import generate_html, generate_doc, generate_main_html, generate_metadata_file, \
     paging, check_cookie, signal_handler, DB, move_to_folder
 
 
@@ -49,9 +51,6 @@ def main():
 
     page_list = paging(options.page)
 
-    if options.retry:
-        constant.RETRY_TIMES = int(options.retry)
-
     if options.favorites:
         if not options.is_download:
             logger.warning('You do not specify --download option')
@@ -80,18 +79,14 @@ def main():
 
     if options.is_save_download_history:
         with DB() as db:
-            data = set(map(int, db.get_all()))
+            data = map(int, db.get_all())
 
         doujinshi_ids = list(set(map(int, doujinshi_ids)) - set(data))
-        logger.info(f'New doujinshis account: {len(doujinshi_ids)}')
-
-    if options.zip:
-        options.is_nohtml = True
 
     if not options.is_show:
-        downloader = (CompressedDownloader if options.zip else Downloader)(path=options.output_dir, threads=options.threads,
+        downloader = Downloader(path=options.output_dir, threads=options.threads,
                                 timeout=options.timeout, delay=options.delay,
-                                exit_on_fail=options.exit_on_fail,
+                                retry=options.retry, exit_on_fail=options.exit_on_fail,
                                 no_filename_padding=options.no_filename_padding)
 
         for doujinshi_id in doujinshi_ids:
@@ -101,15 +96,17 @@ def main():
             else:
                 continue
 
+            if not options.dryrun:
                 doujinshi.downloader = downloader
 
                 if doujinshi.check_if_need_download(options):
                     doujinshi.download()
                 else:
                     logger.info(f'Skip download doujinshi because a PDF/CBZ file exists of doujinshi {doujinshi.name}')
+                    continue
 
             if options.generate_metadata:
-                generate_metadata(options.output_dir, doujinshi)
+                generate_metadata_file(options.output_dir, doujinshi)
 
             if options.is_save_download_history:
                 with DB() as db:

nhentai/constant.py

@@ -37,8 +37,6 @@ FAV_URL = f'{BASE_URL}/favorites/'
 
 PATH_SEPARATOR = os.path.sep
 
-RETRY_TIMES = 3
-
 
 IMAGE_URL = f'{urlparse(BASE_URL).scheme}://i1.{urlparse(BASE_URL).hostname}/galleries'
 IMAGE_URL_MIRRORS = [

nhentai/doujinshi.py

@@ -77,9 +77,6 @@ class Doujinshi(object):
         logger.info(f'Print doujinshi information of {self.id}\n{tabulate(self.table)}')
 
     def check_if_need_download(self, options):
-        if options.no_download:
-            return False
-
         base_path = os.path.join(self.downloader.path, self.filename)
 
         # regenerate, re-download

nhentai/downloader.py

@@ -4,8 +4,6 @@ import os
 import asyncio
 import httpx
 import urllib3.exceptions
-import zipfile
-import io
 
 from urllib.parse import urlparse
 from nhentai import constant
@@ -15,6 +13,11 @@ from nhentai.utils import Singleton, async_request
 
 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
 
+
+class NHentaiImageNotExistException(Exception):
+    pass
+
+
 def download_callback(result):
     result, data = result
     if result == 0:
@@ -31,12 +34,13 @@ def download_callback(result):
 
 
 class Downloader(Singleton):
-    def __init__(self, path='', threads=5, timeout=30, delay=0, exit_on_fail=False,
+    def __init__(self, path='', threads=5, timeout=30, delay=0, retry=3, exit_on_fail=False,
                  no_filename_padding=False):
         self.threads = threads
         self.path = str(path)
         self.timeout = timeout
         self.delay = delay
+        self.retry = retry
         self.exit_on_fail = exit_on_fail
         self.folder = None
         self.semaphore = None
@@ -74,7 +78,13 @@ class Downloader(Singleton):
         else:
             filename = base_filename + extension
 
+        save_file_path = os.path.join(self.folder, filename)
+
         try:
+            if os.path.exists(save_file_path):
+                logger.warning(f'Skipped download: {save_file_path} already exists')
+                return 1, url
+
             response = await async_request('GET', url, timeout=self.timeout, proxy=proxy)
 
             if response.status_code != 200:
@@ -91,7 +101,7 @@ class Downloader(Singleton):
                 return -1, url
 
         except (httpx.HTTPStatusError, httpx.TimeoutException, httpx.ConnectError) as e:
-            if retried < constant.RETRY_TIMES:
+            if retried < self.retry:
                 logger.warning(f'Download {filename} failed, retrying({retried + 1}) times...')
                 return await self.download(
                     url=url,
@@ -101,9 +111,13 @@ class Downloader(Singleton):
                     proxy=proxy,
                 )
             else:
-                logger.warning(f'Download {filename} failed with {constant.RETRY_TIMES} times retried, skipped')
+                logger.warning(f'Download {filename} failed with {self.retry} times retried, skipped')
                 return -2, url
 
+        except NHentaiImageNotExistException as e:
+            os.remove(save_file_path)
+            return -3, url
+
         except Exception as e:
             import traceback
 
@@ -117,11 +131,11 @@ class Downloader(Singleton):
 
         return 1, url
 
-    async def save(self, filename, response) -> bool:
+    async def save(self, save_file_path, response) -> bool:
         if response is None:
             logger.error('Error: Response is None')
             return False
-        save_file_path = os.path.join(self.folder, filename)
+        save_file_path = os.path.join(self.folder, save_file_path)
         with open(save_file_path, 'wb') as f:
             if response is not None:
                 length = response.headers.get('content-length')
@@ -132,15 +146,6 @@ class Downloader(Singleton):
                         f.write(chunk)
         return True
 
-    def create_storage_object(self, folder:str):
-        if not os.path.exists(folder):
-            try:
-                os.makedirs(folder)
-            except EnvironmentError as e:
-                logger.critical(str(e))
-        self.folder:str = folder
-        self.close = lambda: None # Only available in class CompressedDownloader
-
     def start_download(self, queue, folder='') -> bool:
         if not isinstance(folder, (str,)):
             folder = str(folder)
@@ -149,7 +154,12 @@ class Downloader(Singleton):
             folder = os.path.join(self.path, folder)
 
         logger.info(f'Doujinshi will be saved at "{folder}"')
-        self.create_storage_object(folder)
+        if not os.path.exists(folder):
+            try:
+                os.makedirs(folder)
+            except EnvironmentError as e:
+                logger.critical(str(e))
+        self.folder = folder
 
         if os.getenv('DEBUG', None) == 'NODOWNLOAD':
             # Assuming we want to continue with rest of process.
@@ -165,31 +175,4 @@ class Downloader(Singleton):
         # Prevent coroutines infection
         asyncio.run(self.fiber(coroutines))
 
-        self.close()
-
-        return True
-
-class CompressedDownloader(Downloader):
-    def create_storage_object(self, folder):
-        filename = f'{folder}.zip'
-        print(filename)
-        self.zipfile = zipfile.ZipFile(filename,'w')
-        self.close = lambda: self.zipfile.close()
-
-    async def save(self, filename, response) -> bool:
-        if response is None:
-            logger.error('Error: Response is None')
-            return False
-
-        image_data = io.BytesIO()
-        length = response.headers.get('content-length')
-        if length is None:
-            content = await response.read()
-            image_data.write(content)
-        else:
-            async for chunk in response.aiter_bytes(2048):
-                image_data.write(chunk)
-
-        image_data.seek(0)
-        self.zipfile.writestr(filename, image_data.read())
         return True

nhentai/parser.py

@@ -92,27 +92,13 @@ def favorites_parser(page=None):
         page_range_list = range(1, pages + 1)
 
     for page in page_range_list:
-        logger.info(f'Getting doujinshi ids of page {page}')
-
-        i = 0
-        while i <= constant.RETRY_TIMES + 1:
-            i += 1
-            if i > 3:
-                logger.error(f'Failed to get favorites at page {page} after 3 times retried, skipped')
-                break
-
         try:
+            logger.info(f'Getting doujinshi ids of page {page}')
             resp = request('get', f'{constant.FAV_URL}?page={page}').content
-                temp_result = _get_title_and_id(resp)
-                if not temp_result:
-                    logger.warning(f'Failed to get favorites at page {page}, retrying ({i} times) ...')
-                    continue
-                else:
-                    result.extend(temp_result)
-                    break
 
+            result.extend(_get_title_and_id(resp))
         except Exception as e:
-                logger.warning(f'Error: {e}, retrying ({i} times) ...')
+            logger.error(f'Error: {e}, continue')
 
     return result
 
@@ -155,19 +141,17 @@ def doujinshi_parser(id_, counter=0):
     title = doujinshi_info.find('h1').text
     pretty_name = doujinshi_info.find('h1').find('span', attrs={'class': 'pretty'}).text
     subtitle = doujinshi_info.find('h2')
-    favorite_counts = doujinshi_info.find('span', class_='nobold').text.strip('(').strip(')')
+    favorite_counts = doujinshi_info.find('span', class_='nobold').find('span', class_='count')
 
     doujinshi['name'] = title
     doujinshi['pretty_name'] = pretty_name
     doujinshi['subtitle'] = subtitle.text if subtitle else ''
-    doujinshi['favorite_counts'] = int(favorite_counts) if favorite_counts and favorite_counts.isdigit() else 0
+    doujinshi['favorite_counts'] = int(favorite_counts.text.strip()) if favorite_counts else 0
 
     doujinshi_cover = html.find('div', attrs={'id': 'cover'})
     # img_id = re.search('/galleries/([0-9]+)/cover.(jpg|png|gif|webp)$',
     #                   doujinshi_cover.a.img.attrs['data-src'])
-
+    img_id = re.search(r'/galleries/(\d+)/cover\.\w+$', doujinshi_cover.a.img.attrs['data-src'])
-    # fix cover.webp.webp
-    img_id = re.search(r'/galleries/(\d+)/cover(\.webp|\.jpg|\.png)?\.\w+$', doujinshi_cover.a.img.attrs['data-src'])
 
     ext = []
     for i in html.find_all('div', attrs={'class': 'thumb-container'}):
@@ -277,7 +261,7 @@ def search_parser(keyword, sorting, page, is_page_all=False):
         i = 0
 
         logger.info(f'Searching doujinshis using keywords "{keyword}" on page {p}{total}')
-        while i < constant.RETRY_TIMES:
+        while i < 3:
             try:
                 url = request('get', url=constant.SEARCH_URL, params={'query': keyword,
                                                                       'page': p, 'sort': sorting}).url

nhentai/serializer.py

@@ -2,12 +2,12 @@
 import json
 import os
 
-from nhentai.constant import PATH_SEPARATOR, LANGUAGE_ISO
+from nhentai.constant import PATH_SEPARATOR
 from xml.sax.saxutils import escape
-from requests.structures import CaseInsensitiveDict
+from nhentai.constant import LANGUAGE_ISO
 
 
-def serialize_json(doujinshi, output_dir: str):
+def serialize_json(doujinshi, output_dir):
     metadata = {'title': doujinshi.name,
                 'subtitle': doujinshi.info.subtitle}
     if doujinshi.info.favorite_counts:
@@ -78,26 +78,6 @@ def serialize_comic_xml(doujinshi, output_dir):
         f.write('</ComicInfo>')
 
 
-def serialize_info_txt(doujinshi, output_dir: str):
-    info_txt_path = os.path.join(output_dir, 'info.txt')
-    f = open(info_txt_path, 'w', encoding='utf-8')
-
-    fields = ['TITLE', 'ORIGINAL TITLE', 'AUTHOR', 'ARTIST', 'GROUPS', 'CIRCLE', 'SCANLATOR',
-              'TRANSLATOR', 'PUBLISHER', 'DESCRIPTION', 'STATUS', 'CHAPTERS', 'PAGES',
-              'TAGS',  'FAVORITE COUNTS', 'TYPE', 'LANGUAGE', 'RELEASED', 'READING DIRECTION', 'CHARACTERS',
-              'SERIES', 'PARODY', 'URL']
-
-    temp_dict = CaseInsensitiveDict(dict(doujinshi.table))
-    for i in fields:
-        v = temp_dict.get(i)
-        v = temp_dict.get(f'{i}s') if v is None else v
-        v = doujinshi.info.get(i.lower(), None) if v is None else v
-        v = doujinshi.info.get(f'{i.lower()}s', "Unknown") if v is None else v
-        f.write(f'{i}: {v}\n')
-
-    f.close()
-
-
 def xml_write_simple_tag(f, name, val, indent=1):
     f.write(f'{" "*indent}<{name}>{escape(str(val))}</{name}>\n')
 
@@ -152,4 +132,3 @@ def set_js_database():
         indexed_json = json.dumps(indexed_json, separators=(',', ':'))
         f.write('var data = ' + indexed_json)
         f.write(';\nvar tags = ' + unique_json)
-

nhentai/utils.py

@@ -1,5 +1,5 @@
 # coding: utf-8
-import json
+
 import sys
 import re
 import os
@@ -11,33 +11,24 @@ import requests
 import sqlite3
 import urllib.parse
 from typing import Tuple
+from requests.structures import CaseInsensitiveDict
 
 from nhentai import constant
 from nhentai.constant import PATH_SEPARATOR
 from nhentai.logger import logger
-from nhentai.serializer import serialize_comic_xml, serialize_json, serialize_info_txt, set_js_database
+from nhentai.serializer import serialize_json, serialize_comic_xml, set_js_database
 
 MAX_FIELD_LENGTH = 100
 EXTENSIONS = ('.png', '.jpg', '.jpeg', '.gif', '.webp')
 
-def get_headers():
-    headers = {
-        'Referer': constant.LOGIN_URL
-    }
-
-    user_agent = constant.CONFIG.get('useragent')
-    if user_agent and user_agent.strip():
-        headers['User-Agent'] = user_agent
-
-    cookie = constant.CONFIG.get('cookie')
-    if cookie and cookie.strip():
-        headers['Cookie'] = cookie
-
-    return headers
 
 def request(method, url, **kwargs):
     session = requests.Session()
-    session.headers.update(get_headers())
+    session.headers.update({
+        'Referer': constant.LOGIN_URL,
+        'User-Agent': constant.CONFIG['useragent'],
+        'Cookie': constant.CONFIG['cookie']
+    })
 
     if not kwargs.get('proxies', None):
         kwargs['proxies'] = {
@@ -49,7 +40,11 @@ def request(method, url, **kwargs):
 
 
 async def async_request(method, url, proxy = None, **kwargs):
-    headers=get_headers()
+    headers = {
+        'Referer': constant.LOGIN_URL,
+        'User-Agent': constant.CONFIG['useragent'],
+        'Cookie': constant.CONFIG['cookie'],
+    }
 
     if proxy is None:
         proxy = constant.CONFIG['proxy']
@@ -110,24 +105,21 @@ def parse_doujinshi_obj(
         doujinshi_dir = os.path.join(output_dir, doujinshi_obj.filename)
         _filename = f'{doujinshi_obj.filename}.{file_type}'
 
+        if file_type == 'cbz':
+            serialize_comic_xml(doujinshi_obj, doujinshi_dir)
+
         if file_type == 'pdf':
             _filename = _filename.replace('/', '-')
 
         filename = os.path.join(output_dir, _filename)
     else:
-        if file_type == 'html':
-            return output_dir, 'index.html'
-
         doujinshi_dir = f'.{PATH_SEPARATOR}'
 
-    if not os.path.exists(doujinshi_dir):
-        os.makedirs(doujinshi_dir)
-
     return doujinshi_dir, filename
 
 
 def generate_html(output_dir='.', doujinshi_obj=None, template='default'):
-    doujinshi_dir, filename = parse_doujinshi_obj(output_dir, doujinshi_obj, 'html')
+    doujinshi_dir, filename = parse_doujinshi_obj(output_dir, doujinshi_obj, '.html')
     image_html = ''
 
     if not os.path.exists(doujinshi_dir):
@@ -150,16 +142,10 @@ def generate_html(output_dir='.', doujinshi_obj=None, template='default'):
     js = readfile(f'viewer/{template}/scripts.js')
 
     if doujinshi_obj is not None:
-        # serialize_json(doujinshi_obj, doujinshi_dir)
+        serialize_json(doujinshi_obj, doujinshi_dir)
         name = doujinshi_obj.name
     else:
-        metadata_path = os.path.join(doujinshi_dir, "metadata.json")
+        name = {'title': 'nHentai HTML Viewer'}
-        if os.path.exists(metadata_path):
-            with open(metadata_path, 'r') as file:
-                doujinshi_info = json.loads(file.read())
-            name = doujinshi_info.get("title")
-        else:
-            name = 'nHentai HTML Viewer'
 
     data = html.format(TITLE=name, IMAGES=image_html, SCRIPTS=js, STYLES=css)
     try:
@@ -249,7 +235,15 @@ def generate_main_html(output_dir=f'.{PATH_SEPARATOR}'):
         logger.warning(f'Writing Main Viewer failed ({e})')
 
 
-def generate_cbz(doujinshi_dir, filename):
+def generate_doc(file_type='', output_dir='.', doujinshi_obj=None, regenerate=False):
+
+    doujinshi_dir, filename = parse_doujinshi_obj(output_dir, doujinshi_obj, file_type)
+
+    if os.path.exists(f'{doujinshi_dir}.{file_type}') and not regenerate:
+        logger.info(f'Skipped {file_type} file generation: {doujinshi_dir}.{file_type} already exists')
+        return
+
+    if file_type == 'cbz':
         file_list = os.listdir(doujinshi_dir)
         file_list.sort()
 
@@ -260,19 +254,6 @@ def generate_cbz(doujinshi_dir, filename):
                 cbz_pf.write(image_path, image)
 
         logger.log(16, f'Comic Book CBZ file has been written to "{filename}"')
-
-
-def generate_doc(file_type='', output_dir='.', doujinshi_obj=None, regenerate=False):
-    doujinshi_dir, filename = parse_doujinshi_obj(output_dir, doujinshi_obj, file_type)
-
-    if os.path.exists(f'{doujinshi_dir}.{file_type}') and not regenerate:
-        logger.info(f'Skipped {file_type} file generation: {doujinshi_dir}.{file_type} already exists')
-        return
-
-    if file_type == 'cbz':
-        serialize_comic_xml(doujinshi_obj, doujinshi_dir)
-        generate_cbz(doujinshi_dir, filename)
-
     elif file_type == 'pdf':
         try:
             import img2pdf
@@ -292,16 +273,6 @@ def generate_doc(file_type='', output_dir='.', doujinshi_obj=None, regenerate=Fa
 
         except ImportError:
             logger.error("Please install img2pdf package by using pip.")
-    else:
-        raise ValueError('invalid file type')
-
-
-def generate_metadata(output_dir, doujinshi_obj=None):
-    doujinshi_dir, filename = parse_doujinshi_obj(output_dir, doujinshi_obj, '')
-    serialize_json(doujinshi_obj, doujinshi_dir)
-    serialize_comic_xml(doujinshi_obj, doujinshi_dir)
-    serialize_info_txt(doujinshi_obj, doujinshi_dir)
-    logger.log(16, f'Metadata files have been written to "{doujinshi_dir}"')
 
 
 def format_filename(s, length=MAX_FIELD_LENGTH, _truncate_only=False):
@@ -358,6 +329,29 @@ def paging(page_string):
     return page_list
 
 
+def generate_metadata_file(output_dir, doujinshi_obj):
+
+    info_txt_path = os.path.join(output_dir, doujinshi_obj.filename, 'info.txt')
+
+    f = open(info_txt_path, 'w', encoding='utf-8')
+
+    fields = ['TITLE', 'ORIGINAL TITLE', 'AUTHOR', 'ARTIST', 'GROUPS', 'CIRCLE', 'SCANLATOR',
+              'TRANSLATOR', 'PUBLISHER', 'DESCRIPTION', 'STATUS', 'CHAPTERS', 'PAGES',
+              'TAGS',  'FAVORITE COUNTS', 'TYPE', 'LANGUAGE', 'RELEASED', 'READING DIRECTION', 'CHARACTERS',
+              'SERIES', 'PARODY', 'URL']
+
+    temp_dict = CaseInsensitiveDict(dict(doujinshi_obj.table))
+    for i in fields:
+        v = temp_dict.get(i)
+        v = temp_dict.get(f'{i}s') if v is None else v
+        v = doujinshi_obj.info.get(i.lower(), None) if v is None else v
+        v = doujinshi_obj.info.get(f'{i.lower()}s', "Unknown") if v is None else v
+        f.write(f'{i}: {v}\n')
+
+    f.close()
+    logger.log(16, f'Metadata Info has been written to "{info_txt_path}"')
+
+
 class DB(object):
     conn = None
     cur = None

nhentai/viewer/default/scripts.js

@@ -75,13 +75,11 @@ document.onkeydown = event =>{
             changePage(currentPage - 1);
             break;
         case 38: //up
-            changePage(currentPage - 1);
             break;
         case 39: //right
             changePage(currentPage + 1);
             break;
         case 40: //down
-            changePage(currentPage + 1);
             break;
     }
 };

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nhentai"
-version = "0.6.0-beta"
+version = "0.5.20"
 description = "nhentai doujinshi downloader"
 authors = ["Ricter Z <ricterzheng@gmail.com>"]
 license = "MIT"

tests/test_download.py

@@ -1,27 +1,14 @@
 import unittest
 import os
-import zipfile
 import urllib3.exceptions
 
 from nhentai import constant
 from nhentai.cmdline import load_config
-from nhentai.downloader import Downloader, CompressedDownloader
+from nhentai.downloader import Downloader
 from nhentai.parser import doujinshi_parser
 from nhentai.doujinshi import Doujinshi
 from nhentai.utils import generate_html
 
-did = 440546
-
-def has_jepg_file(path):
-    with zipfile.ZipFile(path, 'r') as zf:
-        return '01.jpg' in zf.namelist()
-
-def is_zip_file(path):
-    try:
-        with zipfile.ZipFile(path, 'r') as _:
-            return True
-    except (zipfile.BadZipFile, FileNotFoundError):
-        return False
 
 class TestDownload(unittest.TestCase):
     def setUp(self) -> None:
@@ -30,27 +17,17 @@ class TestDownload(unittest.TestCase):
         constant.CONFIG['cookie'] = os.getenv('NHENTAI_COOKIE')
         constant.CONFIG['useragent'] = os.getenv('NHENTAI_UA')
 
-        self.info = Doujinshi(**doujinshi_parser(did), name_format='%i')
-
     def test_download(self):
-        info = self.info
+        did = 440546
+        info = Doujinshi(**doujinshi_parser(did), name_format='%i')
         info.downloader = Downloader(path='/tmp', threads=5)
         info.download()
 
-        self.assertTrue(os.path.exists(f'/tmp/{did}/01.jpg'))
+        self.assertTrue(os.path.exists(f'/tmp/{did}/001.jpg'))
 
         generate_html('/tmp', info)
         self.assertTrue(os.path.exists(f'/tmp/{did}/index.html'))
 
-    def test_zipfile_download(self):
-        info = self.info
-        info.downloader = CompressedDownloader(path='/tmp', threads=5)
-        info.download()
-
-        zipfile_path = f'/tmp/{did}.zip'
-        self.assertTrue(os.path.exists(zipfile_path))
-        self.assertTrue(is_zip_file(zipfile_path))
-        self.assertTrue(has_jepg_file(zipfile_path))
 
 if __name__ == '__main__':
     unittest.main()