Merge pull request #5 from navrudh/master

Python3 compatablility and new Singleton implementation

.travis.yml

@@ -6,6 +6,9 @@ language: python
 python:
     - 2.7
     - 2.6
+    - 3.3
+    - 3.4
+    - 3.5
 
 install:
     - python setup.py install

nhentai/__init__.py

@@ -1,3 +1,3 @@
-__version__ = '0.1.5'
+__version__ = '0.2.0'
 __author__ = 'Ricter'
 __email__ = 'ricterzheng@gmail.com'

nhentai/cmdline.py

@@ -1,14 +1,13 @@
 # coding: utf-8
 from __future__ import print_function
 from optparse import OptionParser
-from logger import logger
 try:
     from itertools import ifilter as filter
 except ImportError:
     pass
 
-
+import nhentai.constant as constant
-import constant
+from nhentai.logger import logger
 
 
 def banner():

nhentai/command.py

@@ -1,11 +1,12 @@
 #!/usr/bin/env python2.7
 # coding: utf-8
 import signal
-from cmdline import cmd_parser, banner
+
-from parser import doujinshi_parser, search_parser, print_doujinshi
+from nhentai.cmdline import cmd_parser, banner
-from doujinshi import Doujinshi
+from nhentai.parser import doujinshi_parser, search_parser, print_doujinshi
-from downloader import Downloader
+from nhentai.doujinshi import Doujinshi
-from logger import logger
+from nhentai.downloader import Downloader
+from nhentai.logger import logger
 
 
 def main():

nhentai/doujinshi.py

@@ -1,8 +1,10 @@
 # coding: utf-8
 from __future__ import print_function
 from tabulate import tabulate
-from constant import DETAIL_URL, IMAGE_URL
+from builtins import range
-from logger import logger
+
+from nhentai.constant import DETAIL_URL, IMAGE_URL
+from nhentai.logger import logger
 
 
 class DoujinshiInfo(dict):
@@ -47,7 +49,7 @@ class Doujinshi(object):
         logger.info('Start download doujinshi: %s' % self.name)
         if self.downloader:
             download_queue = []
-            for i in xrange(1, self.pages + 1):
+            for i in range(1, self.pages + 1):
                 download_queue.append('%s/%d/%d.%s' % (IMAGE_URL, int(self.img_id), i, self.ext))
             self.downloader.download(download_queue, self.id)
         else:

nhentai/downloader.py

@@ -1,19 +1,19 @@
 # coding: utf-8
+from builtins import str as text
 import os
 import requests
 import threadpool
-from urlparse import urlparse
+try:
-from logger import logger
+    from urllib.parse import urlparse
-from parser import request
+except ImportError:
+    from urlparse import urlparse
+
+from nhentai.logger import logger
+from nhentai.parser import request
+from nhentai.utils import Singleton
 
 
-class Downloader(object):
+class Downloader(Singleton):
-    _instance = None
-
-    def __new__(cls, *args, **kwargs):
-        if not cls._instance:
-            cls._instance = super(Downloader, cls).__new__(cls, *args, **kwargs)
-        return cls._instance
 
     def __init__(self, path='', thread=1, timeout=30):
         if not isinstance(thread, (int, )) or thread < 1 or thread > 10:
@@ -54,7 +54,7 @@ class Downloader(object):
         logger.log(15, '{0} download successfully'.format(result))
 
     def download(self, queue, folder=''):
-        if not isinstance(folder, (str, unicode)):
+        if not isinstance(folder, (text)):
             folder = str(folder)
 
         if self.path:

nhentai/logger.py

@@ -1,4 +1,3 @@
-import logging
 #
 # Copyright (C) 2010-2012 Vinay Sajip. All rights reserved. Licensed under the new BSD license.
 #

nhentai/parser.py

@@ -1,12 +1,14 @@
 # coding: utf-8
 from __future__ import print_function
+
+from bs4 import BeautifulSoup
 import re
 import requests
-from bs4 import BeautifulSoup
-import constant
-from logger import logger
 from tabulate import tabulate
 
+import nhentai.constant as constant
+from nhentai.logger import logger
+
 
 def request(method, url, **kwargs):
     if not hasattr(requests, method):

nhentai/utils.py

@@ -0,0 +1,10 @@
+# coding: utf-8
+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('SingletonMeta', (object,), {})): pass

requirements.txt

@@ -2,3 +2,4 @@ requests>=2.5.0
 BeautifulSoup4>=4.0.0
 threadpool>=1.2.7
 tabulate>=0.7.5
+future>=0.15.2