SafeEyes/safeeyes/__main__.py

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#!/usr/bin/env python3
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# Safe Eyes is a utility to remind you to take break frequently
# to protect your eyes from eye strain.
# Copyright (C) 2016 Gobinath
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
Safe Eyes is a utility to remind you to take break frequently to protect your eyes from eye strain.
"""
import argparse
import gettext
import locale
import logging
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import signal
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import sys
from threading import Timer
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import gi
import psutil
from safeeyes import Utility
from safeeyes.model import Config
from safeeyes.SafeEyes import SafeEyes
from safeeyes.SafeEyes import SAFE_EYES_VERSION
from safeeyes.rpc import RPCClient
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gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
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gettext.install('safeeyes', Utility.LOCALE_PATH)
def __running():
"""
Check if SafeEyes is already running.
"""
process_count = 0
for proc in psutil.process_iter():
if not proc.cmdline:
continue
try:
# Check if safeeyes is in process arguments
if callable(proc.cmdline):
# Latest psutil has cmdline function
cmd_line = proc.cmdline()
else:
# In older versions cmdline was a list object
cmd_line = proc.cmdline
if ('python3' in cmd_line[0] or 'python' in cmd_line[0]) and ('safeeyes' in cmd_line[1] or 'safeeyes' in cmd_line):
process_count += 1
if process_count > 1:
return True
# Ignore if process does not exist or does not have command line args
except (IndexError, psutil.NoSuchProcess):
pass
return False
def __evaluate_arguments(args, safe_eyes):
"""
Evaluate the arguments and execute the operations.
"""
if args.about:
Utility.execute_main_thread(safe_eyes.show_about)
elif args.disable:
Utility.execute_main_thread(safe_eyes.disable_safeeyes)
elif args.enable:
Utility.execute_main_thread(safe_eyes.enable_safeeyes)
elif args.settings:
Utility.execute_main_thread(safe_eyes.show_settings)
elif args.take_break:
Utility.execute_main_thread(safe_eyes.take_break)
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def main():
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"""
Start the Safe Eyes.
"""
system_locale = gettext.translation('safeeyes', localedir=Utility.LOCALE_PATH, languages=[Utility.system_locale(), 'en_US'], fallback=True)
system_locale.install()
# locale.bindtextdomain is required for Glade files
# gettext.bindtextdomain(gettext.textdomain(), Utility.LOCALE_PATH)
locale.bindtextdomain('safeeyes', Utility.LOCALE_PATH)
parser = argparse.ArgumentParser(prog='safeeyes', description=_('description'))
group = parser.add_mutually_exclusive_group()
group.add_argument('-a', '--about', help=_('show the about dialog'), action='store_true')
group.add_argument('-d', '--disable', help=_('disable the currently running safeeyes instance'), action='store_true')
group.add_argument('-e', '--enable', help=_('enable the currently running safeeyes instance'), action='store_true')
group.add_argument('-q', '--quit', help=_('quit the running safeeyes instance and exit'), action='store_true')
group.add_argument('-s', '--settings', help=_('show the settings dialog'), action='store_true')
group.add_argument('-t', '--take-break', help=_('Take a break now').lower(), action='store_true')
parser.add_argument('--debug', help=_('start safeeyes in debug mode'), action='store_true')
parser.add_argument('--version', action='version', version='%(prog)s ' + SAFE_EYES_VERSION)
args = parser.parse_args()
# Initialize the logging
Utility.intialize_logging(args.debug)
config = Config()
if __running():
logging.info("Safe Eyes is already running")
rpc_client = RPCClient(config.get('rpc_port'))
if args.about:
rpc_client.show_about()
elif args.disable:
rpc_client.disable_safeeyes()
elif args.enable:
rpc_client.enable_safeeyes()
elif args.settings:
rpc_client.show_settings()
elif args.take_break:
rpc_client.take_break()
elif args.quit:
rpc_client.quit()
else:
# Default behavior is opening settings
rpc_client.show_settings()
sys.exit(0)
elif not args.quit:
logging.info("Starting Safe Eyes")
safeeyes = SafeEyes(system_locale, config)
safeeyes.start()
Timer(1.0, lambda: __evaluate_arguments(args, safeeyes)).start()
Gtk.main()
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if __name__ == '__main__':
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signal.signal(signal.SIGINT, signal.SIG_DFL) # Handle Ctrl + C
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main()