808b624e5f
This basically reverts commit 86b31dc12b.
It now works like this: If the use has pycountry installed, it is used.
If not, Dosage falls back to a small internal list generated from
pycountry by scripts/mklanguages.py.
This means additional work if we ever decide to translate Dosage, since
pycountry already has all the translations for language names...
This fixes #23.
347 lines
13 KiB
Python
Executable file
347 lines
13 KiB
Python
Executable file
#!/usr/bin/env python
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# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2004-2005 Tristan Seligmann and Jonathan Jacobs
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# Copyright (C) 2012-2014 Bastian Kleineidam
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# ___
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# / \___ ___ __ _ __ _ ___
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# / /\ / _ \/ __|/ _` |/ _` |/ _ \
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# / /_// (_) \__ \ (_| | (_| | __/
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# /___,' \___/|___/\__,_|\__, |\___|
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# |___/
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from __future__ import division, print_function
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import sys
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import os
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import argparse
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import pydoc
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from io import StringIO
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from dosagelib import events, configuration, singleton, director
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from dosagelib.output import out
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from dosagelib.util import internal_error, strlimit
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from dosagelib.ansicolor import get_columns
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class ArgumentParser(argparse.ArgumentParser):
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"""Custom argument parser."""
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def print_help(self, file=None):
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"""Paginate help message on TTYs."""
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msg = self.format_help()
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if file is None:
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file = sys.stdout
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if hasattr(file, "isatty") and file.isatty():
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pydoc.pager(msg)
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else:
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print(msg, file=file)
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Examples = """\
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EXAMPLES
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List available comics (ca. 3000 at the moment):
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dosage -l
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Get the latest comic of for example CalvinAndHobbes and save it in the "Comics"
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directory:
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dosage CalvinAndHobbes
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If you already have downloaded several comics and want to get the latest
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strips of all of them:
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dosage --continue @
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"""
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def setupOptions():
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"""Construct option parser.
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@return: new option parser
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@rtype argparse.ArgumentParser
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"""
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kwargs = dict(
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description = "A comic downloader and archiver.",
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epilog = Examples,
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formatter_class=argparse.RawDescriptionHelpFormatter,
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)
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parser = ArgumentParser(**kwargs)
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parser.add_argument('-v', '--verbose', action='count', default=0, help='provides verbose output, use multiple times for more verbosity')
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parser.add_argument('-n', '--numstrips', action='store', type=int, default=0, help='traverse and retrieve the given number of comic strips; use --all to retrieve all comic strips')
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parser.add_argument('-a', '--all', action='store_true', help='traverse and retrieve all comic strips')
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parser.add_argument('-c', '--continue', action='store_true', dest='cont', help='traverse and retrieve comic strips until an existing one is found')
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parser.add_argument('-b', '--basepath', action='store', default='Comics', help='set the path to create invidivual comic directories in, default is Comics', metavar='PATH')
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parser.add_argument('--baseurl', action='store', help='the base URL of your comics directory (for RSS, HTML, etc.); this should correspond to --base-path', metavar='PATH')
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parser.add_argument('-l', '--list', action='store_true', help='list available comic modules')
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parser.add_argument('--singlelist', action='store_true', help='list available comic modules in a single list')
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parser.add_argument('--version', action='store_true', help='display the version number')
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parser.add_argument('--vote', action='store_true', help='vote for the selected comics')
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parser.add_argument('-m', '--modulehelp', action='store_true', help='display help for comic modules')
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parser.add_argument('-t', '--timestamps', action='store_true', help='print timestamps for all output at any info level')
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parser.add_argument('-o', '--output', action='append', dest='handler', choices=events.getHandlerNames(), help='sets output handlers for downloaded comics')
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parser.add_argument('--no-downscale', action='store_false', dest='allowdownscale', help='prevent downscaling when using html or rss handler')
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parser.add_argument('-p', '--parallel', action='store', type=int, default=1, help='fetch comics in parallel. Specify the number of connections')
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parser.add_argument('--adult', action='store_true', help='confirms that you are old enough to view adult content')
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parser.add_argument('--allow-multiple', action='store_true', help='allows multiple instances to run at the same time. Use if you know what you are doing.')
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# used for development testing prev/next matching
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parser.add_argument('--dry-run', action='store_true', help=argparse.SUPPRESS)
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# multimatch is only used for development, eg. testing if all comics of a scripted plugin are working
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parser.add_argument('--multimatch', action='store_true', help=argparse.SUPPRESS)
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parser.add_argument('comic', nargs='*', help='comic module name (including case insensitive substrings)')
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try:
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import argcomplete
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argcomplete.autocomplete(parser)
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except ImportError:
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pass
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return parser
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def displayVersion(verbose):
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"""Display application name, version, copyright and license."""
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print(configuration.App)
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print(configuration.Copyright)
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print(configuration.Freeware)
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print("For support see", configuration.SupportUrl)
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if verbose:
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# search for updates
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from dosagelib.updater import check_update
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result, value = check_update()
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if result:
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if value:
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version, url = value
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if url is None:
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# current version is newer than online version
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text = ('Detected local or development version %(currentversion)s. '
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'Available version of %(app)s is %(version)s.')
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else:
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# display update link
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text = ('A new version %(version)s of %(app)s is '
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'available at %(url)s.')
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attrs = dict(version=version, app=configuration.AppName,
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url=url, currentversion=configuration.Version)
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print(text % attrs)
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else:
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if value is None:
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value = 'invalid update file syntax'
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text = ('An error occured while checking for an '
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'update of %(app)s: %(error)s.')
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attrs = dict(error=value, app=configuration.AppName)
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print(text % attrs)
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return 0
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def setOutputInfo(options):
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"""Set global output level and timestamp option."""
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out.level = 0
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out.level += options.verbose
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out.timestamps = options.timestamps
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# debug urllib3
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#from requests.packages.urllib3 import add_stderr_logger
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#add_stderr_logger()
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def displayHelp(options):
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"""Print help for comic strips."""
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errors = 0
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try:
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for scraperobj in director.getScrapers(options.comic, options.basepath, listing=True):
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errors += displayComicHelp(scraperobj)
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except ValueError as msg:
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out.exception(msg)
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return 2
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return errors
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def displayComicHelp(scraperobj):
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"""Print help for a comic."""
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orig_context = out.context
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out.context = scraperobj.getName()
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try:
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out.info(u"URL: " + scraperobj.url)
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out.info(u"Language: " + scraperobj.language())
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if scraperobj.adult:
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out.info(u"Adult comic, use option --adult to fetch.")
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disabled = scraperobj.getDisabledReasons()
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if disabled:
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out.info(u"Disabled: " + " ".join(disabled.values()))
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if scraperobj.help:
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for line in scraperobj.help.splitlines():
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out.info(line)
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return 0
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except ValueError as msg:
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out.exception(msg)
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return 1
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finally:
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out.context = orig_context
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def voteComics(options):
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"""Vote for comics."""
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errors = 0
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try:
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for scraperobj in director.getScrapers(options.comic, options.basepath, options.adult, options.multimatch):
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errors += voteComic(scraperobj)
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except ValueError as msg:
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out.exception(msg)
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errors += 1
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return errors
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def voteComic(scraperobj):
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"""Vote for given comic scraper."""
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errors = 0
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orig_context = out.context
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out.context = scraperobj.getName()
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try:
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name = scraperobj.getName()
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answer = scraperobj.vote()
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out.debug(u'Vote answer %r' % answer)
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if answer == 'counted':
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url = configuration.Url + 'comics/%s.html' % name.replace('/', '_')
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out.info(u'Vote submitted. Votes are updated regularly at %s.' % url)
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elif answer == 'no':
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out.info(u'Vote not submitted - your vote has already been submitted before.')
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elif answer == 'noname':
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out.warn(u'The comic %s cannot be voted.' % name)
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else:
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out.warn(u'Error submitting vote parameters: %r' % answer)
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except Exception as msg:
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out.exception(msg)
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errors += 1
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finally:
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out.context = orig_context
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return errors
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def run(options):
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"""Execute comic commands."""
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setOutputInfo(options)
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# ensure only one instance of dosage is running
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if not options.allow_multiple:
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me = singleton.SingleInstance()
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if options.version:
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return displayVersion(options.verbose)
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if options.list:
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return doList()
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if options.singlelist:
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return doList(columnList=False, verbose=options.verbose)
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# after this a list of comic strips is needed
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if not options.comic:
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out.warn(u'No comics specified, bailing out!')
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return 1
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if options.modulehelp:
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return displayHelp(options)
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if options.vote:
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return voteComics(options)
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return director.getComics(options)
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def doList(columnList=True, verbose=False):
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"""List available comics."""
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orig_context = out.context
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out.context = u''
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try:
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page = hasattr(sys.stdout, "isatty") and sys.stdout.isatty()
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if page:
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fd = StringIO(u'')
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out.setStream(fd)
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out.info(u'Available comic scrapers:')
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out.info(u'Comics tagged with [%s] require age confirmation with the --adult option.' % TAG_ADULT)
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out.info(u'Non-english comics are tagged with [%s].' % TAG_LANG)
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scrapers = sorted(director.getAllScrapers(listing=True), key=lambda s: s.getName())
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if columnList:
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num, disabled = doColumnList(scrapers)
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else:
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num, disabled = doSingleList(scrapers, verbose=verbose)
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out.info(u'%d supported comics.' % num)
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if disabled:
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out.info('')
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out.info(u'Some comics are disabled, they are tagged with [%s:REASON], where REASON is one of:' % TAG_DISABLED)
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for k in disabled:
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out.info(u' %-10s %s' % (k, disabled[k]))
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if page:
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pydoc.pager(fd.getvalue())
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return 0
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finally:
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out.context = orig_context
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def doSingleList(scrapers, verbose=False):
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"""Get list of scraper names, one per line."""
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disabled = {}
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for num, scraperobj in enumerate(scrapers):
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if verbose:
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displayComicHelp(scraperobj)
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else:
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out.info(getTaggedScraperName(scraperobj, reasons=disabled))
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return num, disabled
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def doColumnList(scrapers):
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"""Get list of scraper names with multiple names per line."""
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disabled = {}
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screenWidth = get_columns(sys.stdout)
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# limit name length so at least two columns are there
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limit = (screenWidth // 2) - 8
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names = [getTaggedScraperName(scraperobj, limit=limit, reasons=disabled) for scraperobj in scrapers]
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num = len(names)
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maxlen = max(len(name) for name in names)
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namesPerLine = max(screenWidth // (maxlen + 1), 1)
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while names:
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out.info(u''.join(name.ljust(maxlen) for name in names[:namesPerLine]))
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del names[:namesPerLine]
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return num, disabled
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TAG_ADULT = "adult"
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TAG_LANG = "lang"
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TAG_DISABLED = "dis"
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def getTaggedScraperName(scraperobj, limit=None, reasons=None):
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"""Get comic scraper name."""
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tags = []
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if scraperobj.adult:
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tags.append(TAG_ADULT)
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if scraperobj.lang != "en":
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tags.append("%s:%s" % (TAG_LANG, scraperobj.lang))
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disabled = scraperobj.getDisabledReasons()
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if disabled and reasons:
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reasons.update(disabled)
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for reason in disabled:
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tags.append("%s:%s" % (TAG_DISABLED, reason))
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if tags:
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suffix = " [" + ", ".join(tags) + "]"
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else:
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suffix = ""
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name = scraperobj.getName()
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if limit is not None:
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name = strlimit(name, limit)
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return name + suffix
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def main():
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"""Parse options and execute commands."""
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try:
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options = setupOptions().parse_args()
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options.basepath = os.path.expanduser(options.basepath)
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res = run(options)
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except KeyboardInterrupt:
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print("Aborted.")
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res = 1
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except Exception:
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internal_error()
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res = 2
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return res
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def profile():
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"""Profile the loading of all scrapers."""
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import cProfile
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cProfile.run("scraper.get_scraperclasses()", "dosage.prof")
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def viewprof():
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"""View profile stats."""
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import pstats
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stats = pstats.Stats("dosage.prof")
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stats.strip_dirs().sort_stats("cumulative").print_stats(100)
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if __name__ == '__main__':
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sys.exit(main())
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#profile()
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#viewprof()
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