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Content import ujson import utime import buttons import color import display import leds import pride # Dimensions of the screen X_LEN = 160 Y_LEN = 80 class flagGen(): """Iterate forward and backwards over the flags. Args: flags (list): List of flags to iterate over. start_flag (str): Name of the flag to start with in the list. """ def __init__(self, flags, start_flag='rainbow'): self.flags = flags self.start_flag = start_flag self.current_flag = flags.index(start_flag) def __iter__(self): return self def __next__(self): return self.next() def next(self): self.current_flag += 1 if self.current_flag >= (len(self.flags) - 1): self.current_flag = 0 return self.flags[self.current_flag] def previous(self): self.current_flag -= 1 if self.current_flag < 0: self.current_flag = len(self.flags) - 1 return self.flags[self.current_flag] def read_nickname(): try: with open('nickname.json') as file: nickname = ujson.load(file) except FileNotFoundError: with open('nickname.txt') as file: nick_file = str(file.read()) nickname = {'nickname': nick_file} return nickname def flashlight(status=True): """Turns all the leds to solid bright white.""" if status: leds.set_powersave(True) leds.set_all([color.WHITE] * 18) leds.dim_bottom(8) leds.dim_top(8) else: leds.dim_bottom(0) leds.dim_top(0) leds.update() def main(): nick_details = read_nickname() nickname = nick_details['nickname'] subtitle = nick_details.get('subtitle') pronouns = nick_details.get('pronouns') title_x = Y_LEN - round(len(nickname) / 2 * 14) title_y = 18 if subtitle else 30 if subtitle: subtitle_x = Y_LEN - round(len(subtitle) / 2 * 14) subtitle_y = 42 start_flag = 'rainbow' flags = list(pride.flags) flag_gen = flagGen(flags, start_flag=start_flag) # Set the default flag to draw on first run new_flag = start_flag counter = 0 change = True alternate = True flash_status = False while True: if counter % 4 == 0: change = True counter = 0 alternate = not alternate counter += 1 utime.sleep_ms(500) # Check if button is pressed button_left = buttons.read(buttons.BOTTOM_LEFT) button_right = buttons.read(buttons.BOTTOM_RIGHT) # Check what it was if button_left and button_right: flash_status = not flash_status flashlight(flash_status) continue if button_left: new_flag = flag_gen.previous() change = True elif button_right: new_flag = flag_gen.next() change = True elif not change or not pronouns: continue # Switch flag pride.show_display(flag=new_flag) # Re-draw screen with display.open() as disp: # Print text if there's no pronouns, or it's every fourth run if not pronouns or alternate: disp.print(nickname, posx=title_x, posy=title_y) if subtitle: disp.print(subtitle, posx=subtitle_x, posy=subtitle_y) else: text_height = 20 total_height = text_height * len(pronouns) start_height = (Y_LEN / 2) - (total_height / 2) for num, pronoun in enumerate(pronouns): # Current height is the top of the total height plus how many # rows we are donwards current_height = start_height + (text_height * num) pronouns_x = Y_LEN - round(len(pronoun) / 2 * 14) disp.print(pronoun, posx=pronouns_x, posy=int(current_height)) disp.update() change = False if __name__ == '__main__': main()