nhentai/nhentai/utils.py
2019-05-05 21:01:49 +08:00

134 lines
4.1 KiB
Python

# coding: utf-8
from __future__ import unicode_literals, print_function
import sys
import os
import string
import zipfile
import shutil
from nhentai.logger import logger
class _Singleton(type):
""" A metaclass that creates a Singleton base class when called. """
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(_Singleton, cls).__call__(*args, **kwargs)
return cls._instances[cls]
class Singleton(_Singleton(str('SingletonMeta'), (object,), {})):
pass
def urlparse(url):
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse
return urlparse(url)
def readfile(path):
loc = os.path.dirname(__file__)
with open(os.path.join(loc, path), 'r') as file:
return file.read()
def generate_html(output_dir='.', doujinshi_obj=None):
image_html = ''
if doujinshi_obj is not None:
doujinshi_dir = os.path.join(output_dir, doujinshi_obj.filename)
else:
doujinshi_dir = '.'
file_list = os.listdir(doujinshi_dir)
file_list.sort()
for image in file_list:
if not os.path.splitext(image)[1] in ('.jpg', '.png'):
continue
image_html += '<img src="{0}" class="image-item"/>\n'\
.format(image)
html = readfile('viewer/index.html')
css = readfile('viewer/styles.css')
js = readfile('viewer/scripts.js')
if doujinshi_obj is not None:
title = doujinshi_obj.name
if sys.version_info < (3, 0):
title = title.encode('utf-8')
else:
title = 'nHentai HTML Viewer'
data = html.format(TITLE=title, IMAGES=image_html, SCRIPTS=js, STYLES=css)
try:
if sys.version_info < (3, 0):
with open(os.path.join(doujinshi_dir, 'index.html'), 'w') as f:
f.write(data)
else:
with open(os.path.join(doujinshi_dir, 'index.html'), 'wb') as f:
f.write(data.encode('utf-8'))
logger.log(15, 'HTML Viewer has been write to \'{0}\''.format(os.path.join(doujinshi_dir, 'index.html')))
except Exception as e:
logger.warning('Writen HTML Viewer failed ({})'.format(str(e)))
def generate_main_html(output_dir='.'):
"""Generete a main html to show all the contain doujinshi.
With a link to thier `index.html`.
Default output folder will be the CLI path.
"""
pass
def generate_cbz(output_dir='.', doujinshi_obj=None, rm_origin_dir=False):
if doujinshi_obj is not None:
doujinshi_dir = os.path.join(output_dir, doujinshi_obj.filename)
cbz_filename = os.path.join(os.path.join(doujinshi_dir, '..'), '%s.cbz' % doujinshi_obj.id)
else:
cbz_filename = './doujinshi.cbz'
doujinshi_dir = '.'
file_list = os.listdir(doujinshi_dir)
file_list.sort()
logger.info('Writing CBZ file to path: {}'.format(cbz_filename))
with zipfile.ZipFile(cbz_filename, 'w') as cbz_pf:
for image in file_list:
image_path = os.path.join(doujinshi_dir, image)
cbz_pf.write(image_path, image)
if rm_origin_dir:
shutil.rmtree(doujinshi_dir, ignore_errors=True)
logger.log(15, 'Comic Book CBZ file has been write to \'{0}\''.format(doujinshi_dir))
def format_filename(s):
"""Take a string and return a valid filename constructed from the string.
Uses a whitelist approach: any characters not present in valid_chars are
removed. Also spaces are replaced with underscores.
Note: this method may produce invalid filenames such as ``, `.` or `..`
When I use this method I prepend a date string like '2009_01_15_19_46_32_'
and append a file extension like '.txt', so I avoid the potential of using
an invalid filename.
"""
valid_chars = "-_.()[] %s%s" % (string.ascii_letters, string.digits)
filename = ''.join(c for c in s if c in valid_chars)
filename = filename.replace(' ', '_') # I don't like spaces in filenames.
if len(filename) > 100:
filename = filename[:100] + '...]'
# Remove [] from filename
filename = filename.replace('[]', '')
return filename