config, more renaming, some glade prototype
sezanzeb
4 years ago
parent
ab1aca7939
commit
5c41d2ae2e
@ -0,0 +1,173 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!-- Generated with glade 3.36.0 -->
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<interface>
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<requires lib="gtk+" version="3.22"/>
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<object class="GtkWindow">
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<property name="can_focus">False</property>
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<child>
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<object class="GtkBox">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="orientation">vertical</property>
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<child>
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<object class="GtkBox">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="border_width">10</property>
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<property name="orientation">vertical</property>
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<property name="spacing">10</property>
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<child>
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<object class="GtkBox">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="spacing">10</property>
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<child>
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<object class="GtkLabel">
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<property name="width_request">50</property>
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Device</property>
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<property name="xalign">0</property>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkComboBoxText" id="device_selection">
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<property name="width_request">200</property>
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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</object>
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<packing>
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<property name="expand">True</property>
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<property name="fill">True</property>
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<property name="position">1</property>
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</packing>
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</child>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkBox">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="spacing">10</property>
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<child>
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<object class="GtkLabel">
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<property name="width_request">50</property>
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Profile</property>
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<property name="xalign">0</property>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkComboBoxText" id="profile_selection">
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<property name="width_request">200</property>
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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</object>
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<packing>
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<property name="expand">True</property>
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<property name="fill">True</property>
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<property name="position">1</property>
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</packing>
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</child>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">1</property>
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</packing>
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</child>
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<child>
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<object class="GtkBox">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="spacing">10</property>
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<child>
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<object class="GtkLabel">
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<property name="width_request">50</property>
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Mapping</property>
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<property name="xalign">0</property>
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</object>
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<packing>
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<property name="expand">True</property>
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<property name="fill">True</property>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkButton" id="add_key">
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<property name="label" translatable="yes">Add</property>
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="receives_default">True</property>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">1</property>
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</packing>
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</child>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">2</property>
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</packing>
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</child>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkSeparator">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">True</property>
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<property name="position">1</property>
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</packing>
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</child>
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<child>
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<object class="GtkBox" id="key_list">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="orientation">vertical</property>
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<child>
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<placeholder/>
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</child>
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</object>
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<packing>
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<property name="expand">True</property>
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<property name="fill">True</property>
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<property name="position">2</property>
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</packing>
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</child>
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</object>
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</child>
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<child type="titlebar">
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<placeholder/>
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</child>
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</object>
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</interface>
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@ -0,0 +1,196 @@
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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# key-mapper - GUI for device specific keyboard mappings
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# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
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#
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# This file is part of key-mapper.
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#
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# key-mapper is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# key-mapper is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with key-mapper. If not, see <https://www.gnu.org/licenses/>.
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"""Query settings, parse and write config files."""
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import os
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from keymapper.logger import logger
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_config = None
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_defaults = {
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'pcm_input': 'null',
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'input_use_dsnoop': True,
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'input_use_softvol': True,
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'input_plugin': 'hw',
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'pcm_output': 'null',
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'output_use_dmix': True,
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'output_use_softvol': True,
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'output_channels': 2,
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'output_plugin': 'hw'
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}
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def _modify_config(config_contents, key, value):
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"""Return a string representing the modified contents of the config file.
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Parameters
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----------
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config_contents : string
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Contents of the config file in ~/.config/key-mapper/config.
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It is not edited in place and the config file is not overwritten.
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key : string
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Settings key that should be modified
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value : string, int
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Value to write
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"""
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logger.info('Setting "%s" to "%s"', key, value)
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split = config_contents.split('\n')
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if split[-1] == '':
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split = split[:-1]
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found = False
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setting = f'{key}={value}'
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for i, line in enumerate(split):
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strip = line.strip()
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if strip.startswith('#'):
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continue
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if strip.startswith(f'{key}='):
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# replace the setting
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logger.debug('Overwriting "%s=%s" in config', key, value)
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split[i] = setting
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found = True
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break
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if not found:
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logger.debug('Adding "%s=%s" to config', key, value)
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split.append(setting)
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return '\n'.join(split)
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class Config:
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"""Read and set config values."""
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def __init__(self, path=None):
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"""Initialize the interface to the config file.
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Parameters
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----------
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path : string or None
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If none, will default to '~/.config/key-mapper/config'
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"""
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if path is None:
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path = os.path.expanduser('~/.config/key-mapper/config')
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logger.debug('Using config file at %s', path)
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self._path = path
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self._config = {}
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self.mtime = 0
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self.create_config_file()
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self.load_config()
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def create_config_file(self):
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"""Create an empty config if it doesn't exist."""
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if not os.path.exists(os.path.dirname(self._path)):
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os.makedirs(os.path.dirname(self._path))
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if not os.path.exists(self._path):
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logger.info('Creating config file "%s"', self._path)
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os.mknod(self._path)
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def load_config(self):
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"""Read the config file."""
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logger.debug('Loading configuration')
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self._config = {}
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# load config
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self.mtime = os.path.getmtime(self._path)
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with open(self._path, 'r') as config_file:
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for line in config_file:
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line = line.strip()
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if not line.startswith('#'):
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split = line.split('=', 1)
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if len(split) == 2:
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key = split[0]
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value = split[1]
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else:
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key = split[0]
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value = None
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if value.isdigit():
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value = int(value)
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else:
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try:
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value = float(value)
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except ValueError:
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pass
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if value == 'True':
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value = True
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if value == 'False':
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value = False
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self._config[key] = value
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def check_mtime(self):
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"""Check if the config file has been modified and reload if needed."""
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if os.path.getmtime(self._path) != self.mtime:
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logger.info('Config changed, reloading')
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self.load_config()
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def get(self, key):
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"""Read a value from the configuration or get the default."""
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self.check_mtime()
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if key not in _defaults:
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logger.error('Unknown setting %s', key)
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return None
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return self._config.get(key, _defaults[key])
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def set(self, key, value):
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"""Write a setting into memory and ~/.config/key-mapper/config."""
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if key not in _defaults:
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logger.error('Unknown setting %s', key)
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return None
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self.check_mtime()
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if key in self._config and self._config[key] == value:
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logger.debug('Setting "%s" is already "%s"', key, value)
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return False
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self._config[key] = value
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with open(self._path, 'r+') as config_file:
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config_contents = config_file.read()
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config_contents = _modify_config(config_contents, key, value)
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# overwrite completely
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with open(self._path, 'w') as config_file:
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if not config_contents.endswith('\n'):
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config_contents += '\n'
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config_file.write(config_contents)
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self.mtime = os.path.getmtime(self._path)
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return True
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def get_config(*args, **kwargs):
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"""Ask for the config. Initialize it if not yet done so.
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Will pass any parameters to the config constructor. Only needed in tests
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to avoid writing the users config.
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"""
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# don't initialize it right away in the global scope, to avoid having
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# the wrong logging verbosity.
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global _config
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if _config is None:
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_config = Config(*args, **kwargs)
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return _config
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