2020-05-21 19:52:39 +02:00
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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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"""
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Json settings parser. Currently in BETA.
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Copyright by aceisace
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"""
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import json
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import os
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2020-05-23 01:45:40 +02:00
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from inkycal.config.layout import layout
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2020-05-21 19:52:39 +02:00
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class settings:
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"""Load and validate settings from the settings file"""
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_supported_languages = ['en', 'de', 'ru', 'it', 'es', 'fr', 'el', 'sv', 'nl',
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'pl', 'ua', 'nb', 'vi', 'zh_tw', 'zh-cn', 'ja', 'ko']
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_supported_units = ['metric', 'imperial']
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_supported_hours = [12, 24]
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_supported_display_orientation = ['normal', 'upside_down']
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_supported_models = [
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'epd_7_in_5_v2_colour', 'epd_7_in_5_v2',
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'epd_7_in_5_colour', 'epd_7_in_5',
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'epd_5_in_83_colour','epd_5_in_83',
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'epd_4_in_2_colour', 'epd_4_in_2'
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]
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def __init__(self, settings_file_path):
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"""Load settings from path (folder or settings.json file)"""
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try:
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if settings_file_path.endswith('settings.json'):
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folder = settings_file_path.split('/settings.json')[0]
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else:
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folder = settings_file_path
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os.chdir(folder)
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with open("settings.json") as file:
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settings = json.load(file)
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self._settings = settings
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except FileNotFoundError:
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print('No settings file found in specified location')
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2020-05-23 01:45:40 +02:00
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# Validate the settings
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self._validate()
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2020-05-23 01:45:40 +02:00
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# Get the height-percentages of the modules
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heights = [_['height']/100 for _ in self._settings['panels']]
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self.layout = layout(model=self.model)
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self.layout.create_sections(top_section= heights[0],
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middle_section=heights[1],
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bottom_section=heights[2])
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2020-05-21 19:52:39 +02:00
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def _validate(self):
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"""Validate the basic config"""
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settings = self._settings
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2020-05-23 01:45:40 +02:00
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required = ['language', 'units', 'hours', 'model', 'calibration_hours']
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#'display_orientation']
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2020-05-21 19:52:39 +02:00
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# Check if all required settings exist
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for param in required:
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if not param in settings:
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raise Exception (
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'required parameter: {} not found in settings file!'.format(param))
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# Attempt to parse the parameters
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self.language = settings['language']
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self.units = settings['units']
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self.hours = settings['hours']
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self.model = settings['model']
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self.calibration_hours = settings['calibration_hours']
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#self.display_orientation = settings['display_orientation']
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# Validate the parameters
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if (not isinstance(self.language, str) or self.language not in
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self._supported_languages):
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print('Language not supported, switching to fallback, en')
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self.language = 'en'
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if (not isinstance(self.units, str) or self.units not in
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self._supported_units):
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print('units not supported, switching to fallback, metric')
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self.units = 'metric'
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if (not isinstance(self.hours, int) or self.hours not in
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self._supported_hours):
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print('hour-format not supported, switching to fallback, 24')
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self.hours = 24
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if (not isinstance(self.model, str) or self.model not in
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self._supported_models):
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print('model not supported, switching to fallback, epd_7_in_5')
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self.model = 'epd_7_in_5'
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if (not isinstance(self.calibration_hours, list)):
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print('calibration_hours not supported, switching to fallback, [0,12,18]')
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self.calibration_hours = [0,12,18]
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2020-05-23 01:45:40 +02:00
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## if (not isinstance(self.display_orientation, str) or self.display_orientation not in
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## self._supported_display_orientation):
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## print('display orientation not supported, switching to fallback, normal')
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## self.display_orientation = 'normal'
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2020-05-21 19:52:39 +02:00
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2020-05-23 01:45:40 +02:00
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print('Settings file OK!')
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2020-05-23 01:45:40 +02:00
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def active_modules(self):
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2020-05-21 19:52:39 +02:00
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modules = [section['type'] for section in self._settings['panels']]
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return modules
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def get_config(self, module_name):
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"""Ge the config of this module (size, config)"""
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if module_name not in self.active_modules():
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2020-05-21 19:52:39 +02:00
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print('No config is available for this module')
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else:
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for section in self._settings['panels']:
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if section['type'] == module_name:
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config = section['config']
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size = self.layout.get_size(self.get_position(module_name))
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return {'size':size, 'config':config}
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2020-05-21 19:52:39 +02:00
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def get_position(self, module_name):
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"""Get the position of this module's image on the display"""
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2020-05-23 01:45:40 +02:00
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if module_name not in self.active_modules():
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2020-05-21 19:52:39 +02:00
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print('No position is available for this module')
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else:
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for section in self._settings['panels']:
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if section['type'] == module_name:
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position = section['location']
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return position
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if __name__ == '__main__':
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print('running {0} in standalone/debug mode'.format(
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os.path.basename(__file__).split('.py')[0]))
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