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#!/usr/bin/python3
# read_appargs.py
#
# Copyright:
# Copyright (C) 2024-2025 Bernd Schumacher <bernd@bschu.de>
#
# License: GPL-3.0+
# 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 package 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 <https://www.gnu.org/licenses/>.
# Comment:
# On Debian systems, the complete text of the GNU General
# Public License version 3 can be found in
# "/usr/share/common-licenses/GPL-3".
""" read from gtk command line """
import sys
import os
import pathlib
from datetime import datetime
import gi
dir1 = os.path.dirname(os.path.realpath(__file__))
dir2 = os.path.dirname(dir1)
sys.path.append(dir2)
try:
from cashbox.utils import err
except ImportError as exc:
print('Error: cashbox modules not found.', exc)
sys.exit(1)
try:
gi.require_version('Gtk', '4.0')
gi.require_version(namespace='Adw', version='1')
from gi.repository import GLib, Adw, Gio
except (ImportError, ValueError) as exc:
print('Error: Dependencies not met.', exc)
sys.exit(1)
class AttrDict(dict):
""" access dictionary as attributes """
application_id = "de.bschu.cashbox"
application_version = "0.3.7"
max_name_len = 40
conf_suffix = ".cshbx"
def __getattr__(self, key):
try:
return self[key]
except KeyError as e:
# hasattr expects AttributeError instead of KeyError
# (needed for doctest)
classname = type(self).__name__
msg = f'{repr(classname)} object has no attribute {repr(key)}'
raise AttributeError(msg) from e
def __setattr__(self, key, value):
self[key] = value
def __init__(self):
"""
Set defaults for global variable "appargs".
"""
# set default opts
self.user_app_dir = os.path.join(GLib.get_user_data_dir(),
self.application_id)
# exp: self.user_app_dir="/home/bs/.local/share/de.bschu.cashbox"
# default for system_app_dir = /usr/share/cashbox/
self.system_app_dir = os.path.join("/", "usr", "share", "cashbox")
xdb_data_dirs = os.getenv("XDG_DATA_DIRS", None)
# if env var XDG_DATA_DIRS is set to <dir>:<dir>...
# system_app_dir will be set to first <dir> with subdir cashbox
# exp: XDG_DATA_DIRS="/usr/local/share:..." or
# XDG_DATA_DIRS=/app/local/share:..."
if xdb_data_dirs:
for i in xdb_data_dirs.split(':'):
if os.path.isdir(os.path.join(i, "cashbox")):
self.system_app_dir = os.path.join(i, "cashbox")
break
if os.path.isfile(os.path.join(self.user_app_dir, "cashbox.css")):
self.css_path = os.path.join(self.user_app_dir, "cashbox.css")
else:
# default:
self.css_path = os.path.join(self.system_app_dir, "cashbox.css")
self.dark = None
self.session = datetime.now().strftime('%Y-%m-%d')
self.currency = "Dollar"
self.test_small_display = False
def read_appargs(self, opts, moreargs):
""" get args from gnome """
# set command_line opts
for i in opts:
self[i.translate({ord('-'): ord('_')})] = opts[i]
# set command_line args
self["moreargs"] = moreargs
# do opts handling
if self.currency == "Euro":
self.update({"separator": ",", "symbol": "€", "digits": 2,
"cents": 10**2})
elif self["currency"] == "Dollar":
self.update({"separator": ".", "symbol": "$", "digits": 2,
"cents": 10**2})
else:
err(f"currency option <{appargs['currency']}> not Dollar or Euro")
pathlib.Path(appargs.user_app_dir).mkdir(parents=True, exist_ok=True)
# init global variable appargs, to be included by other modules
if "appargs" not in globals():
appargs = AttrDict()
if __name__ == '__main__':
# to test try with option --help
# to test try with option --number
class App(Adw.Application):
""" test class App """
def __init__(self, *args, **kwargs):
super().__init__(*args, application_id="de.bschu.cashbox",
flags=Gio.ApplicationFlags.HANDLES_COMMAND_LINE |
Gio.ApplicationFlags.HANDLES_OPEN, **kwargs)
self.connect('activate', self.on_activate)
self.add_main_option("number", ord("n"), GLib.OptionFlags.NONE,
GLib.OptionArg.INT, "Test number", None)
self.set_option_context_parameter_string("MOREARGS")
self.set_option_context_summary("More Args")
self.set_option_context_description("More Args to be used in "
"appargs.moreargs")
def do_command_line(self, *args, **_kwargs):
# To make pylint happy "*args" was used instead of "command_line".
# Because "*args" was used, instead of "command_line", to have the
# same argument list as parent class, the next 2 lines are needed
assert len(args) == 1
command_line = args[0]
opts = command_line.get_options_dict().end().unpack()
args = command_line.get_arguments()
appargs.read_appargs(opts, args[1:])
self.activate()
return 0
def on_activate(self, _app):
""" start test window """
for var, val in appargs.items():
print(f"<{var}>=<{val}>")
assert appargs.currency == "Dollar"
myapp = App()
myapp.run(sys.argv)
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