Update configuration.py
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@ -9,8 +9,12 @@ from PIL import Image, ImageDraw, ImageFont
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from urllib.request import urlopen
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from settings import language
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from pytz import timezone
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import numpy as np
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import os
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from glob import glob
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"""Set the image background colour and text colour"""
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background_colour = 'white'
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text_colour = 'black'
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"""Set the display height and width (in pixels)"""
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display_height, display_width = 640, 384
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@ -18,11 +22,12 @@ display_height, display_width = 640, 384
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"""Create 3 sections of the display, based on percentage"""
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top_section_width = middle_section_width = bottom_section_width = display_width
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top_section_height = int(display_height*0.10)
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top_section_height = int(display_height*0.11)
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middle_section_height = int(display_height*0.65)
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bottom_section_height = int(display_height - middle_section_height -
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top_section_height)
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"""Find out the y-axis position of each section"""
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top_section_offset = 0
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middle_section_offset = top_section_height
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bottom_section_offset = display_height - bottom_section_height
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@ -34,6 +39,8 @@ if path != "" and path[-1] != "/":
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while not path.endswith('/Inky-Calendar/'):
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path = ''.join(list(path)[:-1])
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"""Select path for saving temporary image files"""
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image_path = path + 'images/'
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"""Fonts handling"""
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fontpath = path+'fonts/'
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@ -41,12 +48,12 @@ NotoSansCJK = fontpath+'NotoSansCJK/NotoSansCJKsc-'
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NotoSans = fontpath+'NotoSans/NotoSans-SemiCondensed'
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weatherfont = fontpath+'WeatherFont/weathericons-regular-webfont.ttf'
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"""Automatically select correct fonts to support set language"""
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if language in ['ja','zh','zh_tw','ko']:
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default = ImageFont.truetype(NotoSansCJK+'Light.otf', 18)
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semi = ImageFont.truetype(NotoSansCJK+'DemiLight.otf', 18)
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bold = ImageFont.truetype(NotoSansCJK+'Regular.otf', 18)
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month_font = ImageFont.truetype(NotoSansCJK+'DemiLight.otf', 40)
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else:
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default = ImageFont.truetype(NotoSans+'Light.ttf', 18)
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semi = ImageFont.truetype(NotoSans+'.ttf', 18)
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@ -55,39 +62,46 @@ else:
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w_font = ImageFont.truetype(weatherfont, 10)
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x_padding = int((display_width % 10) // 2)
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line_height = default.getsize('hg')[1]
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line_width = display_width- x_padding
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"""Create image with given parameters"""
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image = Image.new('RGB', (display_width, display_height), background_colour)
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"""Custom function to add text on an image"""
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def write_text(space_width, space_height, text, tuple,
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font=default, alignment='middle', autofit = False, fill_width = 1.0,
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fill_height = 0.8):
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image = Image.new('RGB', (display_width, display_height), 'white')
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#def main():
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def write_text(box_width, box_height, text, tuple,
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font=default, alignment='middle', adapt_fontsize = False):
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text_width, text_height = font.getsize(text)
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if adapt_fontsize == True:
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size = 10
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while text_width < box_width and text_height < box_height:
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if autofit == True or fill_width != 1.0 or fill_height != 0.8:
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size = 8
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font = ImageFont.truetype(font.path, size)
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text_width, text_height = font.getsize(text)
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while text_width < int(space_width * fill_width) and text_height < int(space_height * fill_height):
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size += 1
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font = ImageFont.truetype(font.path, size)
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text_width, text_height = font.getsize(text)
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while (text_width, text_height) > (box_width, box_height):
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text_width, text_height = font.getsize(text)
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while (text_width, text_height) > (space_width, space_height):
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text=text[0:-1]
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text_width, text_height = font.getsize(text)
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if alignment is "" or "middle" or None:
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x = int((box_width / 2) - (text_width / 2))
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x = int((space_width / 2) - (text_width / 2))
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if alignment is 'left':
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x = 0
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y = int((box_height / 2) - (text_height / 1.7))
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space = Image.new('RGB', (box_width, box_height), color='white')
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ImageDraw.Draw(space).text((x, y), text, fill='black', font=font)
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if font != w_font:
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y = int((space_height / 2) - (text_height / 1.7))
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else:
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y = y = int((space_height / 2) - (text_height / 2))
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space = Image.new('RGB', (space_width, space_height), color=background_colour)
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ImageDraw.Draw(space).text((x, y), text, fill=text_colour, font=font)
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image.paste(space, tuple)
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"""Custom function to display longer text into multiple lines (wrapping)"""
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def text_wrap(text, font=default, line_width = display_width):
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counter, padding = 0, 60
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counter, padding = 0, 40
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lines = []
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if font.getsize(text)[0] < line_width:
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lines.append(text)
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@ -102,9 +116,7 @@ def text_wrap(text, font=default, line_width = display_width):
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return lines
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"""Check if internet is available by trying to reach google"""
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"""Function to check internet connectivity"""
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def internet_available():
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try:
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urlopen('https://google.com',timeout=5)
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@ -112,7 +124,7 @@ def internet_available():
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except URLError as err:
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return False
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'''Get system timezone and set timezone accordingly'''
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"""Function to get the system timezone"""
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def get_tz():
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with open('/etc/timezone','r') as file:
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lines = file.readlines()
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@ -120,7 +132,6 @@ def get_tz():
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local_tz = timezone(system_tz)
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return local_tz
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def fix_ical(ical_url):
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ical = str(urlopen(ical_url).read().decode())
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beginAlarmIndex = 0
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@ -131,41 +142,9 @@ def fix_ical(ical_url):
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ical = ical[:beginAlarmIndex] + ical[endAlarmIndex+12:]
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return ical
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def reduce_colours(image):
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buffer = np.array(image)
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r,g,b = buffer[:,:,0], buffer[:,:,1], buffer[:,:,2]
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if display_colours == "bwr":
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buffer[np.logical_and(r > 245, g > 245)] = [255,255,255] #white
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buffer[np.logical_and(r > 245, g < 245)] = [255,0,0] #red
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buffer[np.logical_and(r != 255, r == g )] = [0,0,0] #black
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else:
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buffer[np.logical_and(r > 245, g > 245)] = [255,255,255] #white
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buffer[g < 255] = [0,0,0] #black
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image = Image.fromarray(buffer).rotate(270, expand=True)
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return image
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def calibrate(cycles):
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"""Function for Calibration"""
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import e_paper_drivers
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epd = e_paper_drivers.EPD()
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print('----------Started calibration of E-Paper display----------')
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for i in range(cycles):
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epd.init()
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print('Calibrating black...')
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epd.display_frame(epd.get_frame_buffer(black))
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if display_colours == "bwr":
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print('calibrating red...')
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epd.display_frame(epd.get_frame_buffer(red))
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print('Calibrating white...')
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epd.display_frame(epd.get_frame_buffer(white))
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epd.sleep()
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print('Cycle {0} of {1} complete'.format(i, cycle))
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print('-----------Calibration complete----------')
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#if __name__ == '__main__':
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#main()
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"""Function to clear images folder"""
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def image_cleanup():
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print('Cleanup of previous images...', end = '')
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for temp_files in glob(image_path+'*'):
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os.remove(temp_files)
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print('Done')
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