Files
tuir/rtv/__main__.py
2016-02-04 15:33:50 -08:00

118 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import sys
import locale
import logging
import praw
import tornado
from . import docs
from .config import Config, copy_default_config
from .oauth import OAuthHelper
from .terminal import Terminal
from .objects import curses_session
from .subreddit import SubredditPage
from .__version__ import __version__
_logger = logging.getLogger(__name__)
# Pycharm debugging note:
# You can use pycharm to debug a curses application by launching rtv in a
# console window (python -m rtv) and using pycharm to attach to the remote
# process. On Ubuntu, you may need to allow ptrace permissions by setting
# ptrace_scope to 0 in /etc/sysctl.d/10-ptrace.conf.
# http://blog.mellenthin.de/archives/2010/10/18/gdb-attach-fails
def main():
"Main entry point"
# Squelch SSL warnings
logging.captureWarnings(True)
locale.setlocale(locale.LC_ALL, '')
# Set the terminal title
title = 'rtv {0}'.format(__version__)
sys.stdout.write('\x1b]2;{0}\x07'.format(title))
args = Config.get_args()
fargs = Config.get_file(args.get('config'))
# Apply the file config first, then overwrite with any command line args
config = Config()
config.update(**fargs)
config.update(**args)
# Copy the default config file and quit
if config['copy_config']:
copy_default_config()
return
# Load the browsing history from previous sessions
config.load_history()
# Load any previously saved auth session token
config.load_refresh_token()
if config['clear_auth']:
config.delete_refresh_token()
if config['log']:
# Log request headers to the file (print hack only works on python 3.x)
# from http import client
# _http_logger = logging.getLogger('http.client')
# client.HTTPConnection.debuglevel = 2
# def print_to_file(*args, **_):
# if args[0] != "header:":
# _http_logger.info(' '.join(args))
# client.print = print_to_file
logging.basicConfig(level=logging.DEBUG, filename=config['log'])
else:
# Add an empty handler so the logger doesn't complain
logging.root.addHandler(logging.NullHandler())
# Construct the reddit user agent
user_agent = docs.AGENT.format(version=__version__)
try:
with curses_session() as stdscr:
term = Terminal(stdscr, config['ascii'])
with term.loader('Initializing', catch_exception=False):
reddit = praw.Reddit(user_agent=user_agent,
decode_html_entities=False,
disable_update_check=True)
# Authorize on launch if the refresh token is present
oauth = OAuthHelper(reddit, term, config)
if config.refresh_token:
oauth.authorize()
name = config['subreddit']
with term.loader('Loading subreddit'):
page = SubredditPage(reddit, term, config, oauth, name)
if term.loader.exception:
return
# Open the supplied submission link before opening the subreddit
if config['link']:
page.open_submission(url=config['link'])
# Launch the subreddit page
page.loop()
except Exception as e:
_logger.exception(e)
raise
except KeyboardInterrupt:
pass
finally:
# Try to save the browsing history
config.save_history()
# Ensure sockets are closed to prevent a ResourceWarning
if 'reddit' in locals():
reddit.handler.http.close()
# Explicitly close file descriptors opened by Tornado's IOLoop
tornado.ioloop.IOLoop.current().close(all_fds=True)
sys.exit(main())