use os.path.sep as path separator

nhentai/cmdline.py

@@ -11,6 +11,7 @@
 from nhentai import __version__
 from nhentai.utils import generate_html, generate_main_html, DB
 from nhentai.logger import logger
+from nhentai.constant import PATH_SEPARATOR
 
 
 def banner():
@@ -64,7 +65,8 @@ def cmd_parser():
     # operation options
     parser.add_option('--download', '-D', dest='is_download', action='store_true',
                       help='download doujinshi (for search results)')
-    parser.add_option('--show', '-S', dest='is_show', action='store_true', help='just show the doujinshi information')
+    parser.add_option('--show', '-S', dest='is_show', action='store_true',
+                      help='just show the doujinshi information')
 
     # doujinshi options
     parser.add_option('--id', dest='id', action='callback', callback=callback,
@@ -86,7 +88,8 @@ def cmd_parser():
                       choices=['recent', 'popular', 'popular-today', 'popular-week', 'date'])
 
     # download options
-    parser.add_option('--output', '-o', type='string', dest='output_dir', action='store', default='./',
+    parser.add_option('--output', '-o', type='string', dest='output_dir', action='store',
+                      default=f'.{PATH_SEPARATOR}',
                       help='output dir')
     parser.add_option('--threads', '-t', type='int', dest='threads', action='store', default=5,
                       help='thread count for downloading doujinshi')
@@ -96,7 +99,8 @@ def cmd_parser():
                       help='slow down between downloading every doujinshi')
     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_option('--file', '-f', type='string', dest='file', action='store', help='read gallery IDs from file.')
+    parser.add_option('--file', '-f', type='string', dest='file', action='store',
+                      help='read gallery IDs from file.')
     parser.add_option('--format', type='string', dest='name_format', action='store',
                       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')

nhentai/constant.py

@@ -35,6 +35,8 @@ def get_nhentai_home() -> str:
 CHALLENGE_URL = f'{BASE_URL}/challenge'
 FAV_URL = f'{BASE_URL}/favorites/'
 
+PATH_SEPARATOR = os.path.sep
+
 
 IMAGE_URL = f'{urlparse(BASE_URL).scheme}://i.{urlparse(BASE_URL).hostname}/galleries'
 IMAGE_URL_MIRRORS = [

nhentai/serializer.py

@@ -1,6 +1,8 @@
 # coding: utf-8
 import json
 import os
+
+from nhentai.constant import PATH_SEPARATOR
 from xml.sax.saxutils import escape
 from nhentai.constant import LANGUAGE_ISO
 
@@ -82,7 +84,7 @@ def xml_write_simple_tag(f, name, val, indent=1):
 
 def merge_json():
     lst = []
-    output_dir = "./"
+    output_dir = f".{PATH_SEPARATOR}"
     os.chdir(output_dir)
     doujinshi_dirs = next(os.walk('.'))[1]
     for folder in doujinshi_dirs:

nhentai/utils.py

@@ -14,6 +14,7 @@
 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_json, serialize_comic_xml, set_js_database
 
@@ -100,7 +101,7 @@ def parse_doujinshi_obj(
         file_type: str = ''
 ) -> Tuple[str, str]:
 
-    filename = f'./doujinshi.{file_type}'
+    filename = f'.{PATH_SEPARATOR}doujinshi.{file_type}'
     if doujinshi_obj is not None:
         doujinshi_dir = os.path.join(output_dir, doujinshi_obj.filename)
         _filename = f'{doujinshi_obj.filename}.{file_type}'
@@ -113,7 +114,7 @@ def parse_doujinshi_obj(
 
         filename = os.path.join(output_dir, _filename)
     else:
-        doujinshi_dir = './'
+        doujinshi_dir = f'.{PATH_SEPARATOR}'
 
     return doujinshi_dir, filename
 
@@ -178,7 +179,7 @@ def move_to_folder(output_dir='.', doujinshi_obj=None, file_type=None):
     shutil.move(filename, os.path.join(doujinshi_dir, os.path.basename(filename)))
 
 
-def generate_main_html(output_dir='./'):
+def generate_main_html(output_dir=f'.{PATH_SEPARATOR}'):
     """
     Generate a main html to show all the contains doujinshi.
     With a link to their `index.html`.