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
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import psutil
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from safeeyes import utility
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from safeeyes.model import Config
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from safeeyes.safeeyes import SafeEyes
from safeeyes.safeeyes import SAFE_EYES_VERSION
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from safeeyes.rpc import RPCClient
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gettext.install('safeeyes', utility.LOCALE_PATH)
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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
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def main():
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"""
Start the Safe Eyes.
"""
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system_locale = gettext.translation('safeeyes', localedir=utility.LOCALE_PATH, languages=[utility.system_locale(), 'en_US'], fallback=True)
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system_locale.install()
try:
# locale.bindtextdomain is required for Glade files
locale.bindtextdomain('safeeyes', utility.LOCALE_PATH)
except AttributeError:
logging.warning('installed python\'s gettext module does not support locale.bindtextdomain. locale.bindtextdomain is required for Glade files')
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parser = argparse.ArgumentParser(prog='safeeyes')
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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')
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parser.add_argument('--status', help=_('print the status of running safeeyes instance and exit'), action='store_true')
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parser.add_argument('--version', action='version', version='%(prog)s ' + SAFE_EYES_VERSION)
args = parser.parse_args()
# Initialize the logging
utility.initialize_logging(args.debug)
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utility.initialize_platform()
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config = Config()
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utility.create_user_stylesheet_if_missing()
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if __running():
logging.info("Safe Eyes is already running")
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if not config.get("use_rpc_server", True):
# RPC sever is disabled
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print(_('Safe Eyes is running without an RPC server. Turn it on to use command-line arguments.'))
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sys.exit(0)
return
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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()
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elif args.status:
print(rpc_client.status())
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elif args.quit:
rpc_client.quit()
else:
# Default behavior is opening settings
rpc_client.show_settings()
sys.exit(0)
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else:
if args.status:
print(_('Safe Eyes is not running'))
sys.exit(0)
elif not args.quit:
logging.info("Starting Safe Eyes")
safe_eyes = SafeEyes(system_locale, config, args)
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safe_eyes.start()
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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()