#!/usr/bin/python3 # -*- coding: utf-8 -*- """ Agenda module for Inky-Calendar Project Copyright by aceisace """ from inkycal.modules.template import inkycal_module from inkycal.custom import * from inkycal.modules.ical_parser import iCalendar import calendar as cal import arrow filename = os.path.basename(__file__).split('.py')[0] logger = logging.getLogger(filename) logger.setLevel(level=logging.ERROR) class Agenda(inkycal_module): """Agenda class Create agenda and show events from given icalendars """ name = "Inkycal Agenda" requires = { "ical_urls" : { "label":"iCalendar URL/s, separate multiple ones with a comma", }, } optional = { "ical_files" : { "label":"iCalendar filepaths, separated with a comma", "default":[] }, "date_format":{ "label":"Use an arrow-supported token for custom date formatting "+ "see https://arrow.readthedocs.io/en/stable/#supported-tokens, e.g. ddd D MMM", "default": "ddd D MMM", }, "time_format":{ "label":"Use an arrow-supported token for custom time formatting "+ "see https://arrow.readthedocs.io/en/stable/#supported-tokens, e.g. HH:mm", }, } def __init__(self, section_size, section_config): """Initialize inkycal_agenda module""" super().__init__(section_size, section_config) for param in self.equires: if not param in section_config: raise Exception('config is missing {}'.format(param)) # module specific parameters self.date_format = self.config['date_format'] self.time_format = self.config['time_format'] self.language = self.config['language'] self.ical_urls = self.config['ical_urls'] self.ical_files = self.config['ical_files'] self.timezone = get_system_tz() # give an OK message print('{0} loaded'.format(filename)) def _validate(self): """Validate module-specific parameters""" if not isinstance(self.date_format, str): print('date_format has to be an arrow-compatible token') if not isinstance(self.time_format, str): print('time_format has to be an arrow-compatible token') if not isinstance(self.language, str): print('language has to be a string: "en" ') if not isinstance(self.timezone, str): print('The timezone has bo be a string.') if not isinstance(self.ical_urls, list): print('ical_urls has to be a list ["url1", "url2"] ') if not isinstance(self.ical_files, list): print('ical_files has to be a list ["path1", "path2"] ') def generate_image(self): """Generate image for this module""" # Define new image size with respect to padding im_width = int(self.width - (self.width * 2 * self.margin_x)) im_height = int(self.height - (self.height * 2 * self.margin_y)) im_size = im_width, im_height logger.info('Image size: {0}'.format(im_size)) # Create an image for black pixels and one for coloured pixels im_black = Image.new('RGB', size = im_size, color = 'white') im_colour = Image.new('RGB', size = im_size, color = 'white') # Calculate the max number of lines that can fit on the image line_spacing = 1 line_height = int(self.font.getsize('hg')[1]) + line_spacing line_width = im_width max_lines = im_height // line_height logger.debug(('max lines:',max_lines)) # Create timeline for agenda now = arrow.now() today = now.floor('day') # Create a list of dates for the next days agenda_events = [ {'begin':today.shift(days=+_), 'title': today.shift(days=+_).format( self.date_format,locale=self.language)} for _ in range(max_lines)] # Load icalendar from config self.ical = iCalendar() parser = self.ical if self.ical_urls: parser.load_url(self.ical_urls) if self.ical_files: parser.load_from_file(self.ical_files) # Load events from all icalendar in timerange upcoming_events = parser.get_events(today, agenda_events[-1]['begin'], self.timezone) # Sort events by beginning time parser.sort() # parser.show_events() # Set the width for date, time and event titles date_width = int(max([self.font.getsize( dates['begin'].format(self.date_format, locale=self.language))[0] for dates in agenda_events]) * 1.2) logger.debug(('date_width:', date_width)) # Check if any events were filtered if upcoming_events: # Find out how much space the event times take time_width = int(max([self.font.getsize( events['begin'].format(self.time_format, locale=self.language))[0] for events in upcoming_events]) * 1.2) logger.debug(('time_width:', time_width)) # Calculate x-pos for time x_time = date_width logger.debug(('x-time:', x_time)) # Find out how much space is left for event titles event_width = im_width - time_width - date_width logger.debug(('width for events:', event_width)) # Calculate x-pos for event titles x_event = date_width + time_width logger.debug(('x-event:', x_event)) # Calculate positions for each line line_pos = [(0, int(line * line_height)) for line in range(max_lines)] logger.debug(('line_pos:', line_pos)) # Merge list of dates and list of events agenda_events += upcoming_events # Sort the combined list in chronological order of dates by_date = lambda event: event['begin'] agenda_events.sort(key = by_date) # Delete more entries than can be displayed (max lines) del agenda_events[max_lines:] self._agenda_events = agenda_events cursor = 0 for _ in agenda_events: title = _['title'] # Check if item is a date if not 'end' in _: ImageDraw.Draw(im_colour).line( (0, line_pos[cursor][1], im_width, line_pos[cursor][1]), fill = 'black') write(im_black, line_pos[cursor], (date_width, line_height), title, font = self.font, alignment='left') cursor += 1 # Check if item is an event if 'end' in _: time = _['begin'].format(self.time_format) # Check if event is all day, if not, add the time if parser.all_day(_) == False: write(im_black, (x_time, line_pos[cursor][1]), (time_width, line_height), time, font = self.font, alignment='left') write(im_black, (x_event, line_pos[cursor][1]), (event_width, line_height), '• '+title, font = self.font, alignment='left') cursor += 1 # If no events were found, write only dates and lines else: cursor = 0 for _ in agenda_events: title = _['title'] ImageDraw.Draw(im_colour).line( (0, line_pos[cursor][1], im_width, line_pos[cursor][1]), fill = 'black') write(im_black, line_pos[cursor], (date_width, line_height), title, font = self.font, alignment='left') cursor += 1 logger.info('no events found') # return the images ready for the display return im_black, im_colour if __name__ == '__main__': print('running {0} in standalone mode'.format(filename))