refactor

lib/application.py

@@ -0,0 +1,48 @@
+from PIL import Image,ImageDraw,ImageFont,ImageShow
+from random import randint, choice
+import time
+
+class Sheogorath:
+    def __init__(self):
+        self.width = 122
+        self.height = 250
+        try:
+            self.lyrics = open("lyrics.txt", "r").readlines()
+        except FileNotFoundError:
+            self.lyrics = ["Lyrics not found"]
+        try:
+            self.sheo = Image.open('res/sheo1.bmp')
+        except FileNotFoundError:
+            self.sheo = Image.new('1', (122, 122))
+        try:
+            self.font15 = ImageFont.truetype('res/Font.ttc', 15)
+            self.font24 = ImageFont.truetype('res/Font.ttc', 24)
+        except FileNotFoundError:
+            self.font15 = None
+            self.font24 = None
+
+    def get_lyric(self, max_length = 17):
+        lyrics = open("lyrics.txt", "r").readlines()
+        lyric = choice(self.lyrics)
+        out_lyric = ""
+        counter = 0
+        for word in lyric.split(" "):
+            if counter + len(word) < max_length:
+                counter += len(word) + 1
+                out_lyric += word + " "
+            else:
+                counter = len(word) + 1
+                out_lyric += "\n" + word + " "
+        return out_lyric
+
+    def get_frame(self):
+        time_image = Image.new('1', (self.height, self.width), 255)
+        time_draw = ImageDraw.Draw(time_image)
+        x = randint(0, 40)
+        lyric = self.get_lyric((300-x)//15)
+        time_image.paste(self.sheo, (x,randint(0, 10)))
+        time_draw.rectangle((160, 90, 250, 122), fill = 255)
+        if self.font15 and self.font24:
+            time_draw.text((185, 90), time.strftime('%H:%M'), font = self.font24, fill = 0)
+            time_draw.text((100+x, 5), lyric, font = self.font15, fill = 0)
+        return time_image

lib/epdummy.py

@@ -0,0 +1,20 @@
+from PIL import ImageShow
+
+class EPDummy:
+    def __init__(self):
+        self.width = 122
+        self.height = 250
+    FULL_UPDATE = 0
+    PART_UPDATE = 1
+    def display(self, image):
+        ImageShow.show(image)
+    def displayPartial(self, image):
+        ImageShow.show(image)
+    def displayPartBaseImage(self, image):
+        ImageShow.show(image)
+    def init(self, a):
+        pass
+    def Clear(self, a):
+        pass
+    def getbuffer(self, image):
+        return image

sheogorath.py

@@ -2,105 +2,59 @@
 # -*- coding:utf-8 -*-
 import sys
 import os
-import logging
 import time
 import traceback
 import argparse
 from random import randint, choice
 from PIL import Image,ImageDraw,ImageFont,ImageShow
+from lib import application
+from lib import epdummy
 
 parser = argparse.ArgumentParser(description='e-Ink Sheogorath')
 parser.add_argument('--debug', action='store_true', help='If true, does not initialize e-Ink, shows images in window')
+parser.add_argument('-d', '--delay', default=45, help='Delay between frames in seconds')
+parser.add_argument('-r', '--refresh', default=10, help='Amount of frames after which to refresh the screen')
 args = parser.parse_args()
 
-logging.basicConfig(level=logging.DEBUG)
+epd = epdummy.EPDummy()
-
-class EPDummy:
-    def __init__(self):
-        self.width = 122
-        self.height = 250
-    FULL_UPDATE = 0
-    PART_UPDATE = 1
-    def display(self, image):
-        ImageShow.show(image)
-    def displayPartial(self, image):
-        ImageShow.show(image)
-    def displayPartBaseImage(self, image):
-        ImageShow.show(image)
-    def init(self, a):
-        pass
-    def Clear(self, a):
-        pass
-    def getbuffer(self, image):
-        return image
-
-epd = EPDummy()
 if not args.debug:
     from lib import epd2in13_V2
     epd = epd2in13_V2.EPD()
 
+app = application.Sheogorath()
+
+try:
+    DELAY = int(args.delay)
+except ValueError:
+    DELAY = 45
+try:
+    N_REFRESH = int(args.refresh)
+except ValueError:
+    N_REFRESH = 10
+
 try:
-    logging.info("Sheogorath.")
     epd.init(epd.FULL_UPDATE)
     epd.Clear(0xFF)
     
-    font15 = ImageFont.truetype('res/Font.ttc', 15)
-    font24 = ImageFont.truetype('res/Font.ttc', 24)
-    image = Image.new('1', (epd.height, epd.width), 255)
-    draw = ImageDraw.Draw(image)
-    draw.rectangle([(0,0),(50,50)],outline = 0)
-    draw.rectangle([(55,0),(100,50)],fill = 0)
-    draw.line([(0,0),(50,50)], fill = 0,width = 1)
-    draw.line([(0,50),(50,0)], fill = 0,width = 1)
-    draw.chord((10, 60, 50, 100), 0, 360, fill = 0)
-    draw.ellipse((55, 60, 95, 100), outline = 0)
-    draw.pieslice((55, 60, 95, 100), 90, 180, outline = 0)
-    draw.pieslice((55, 60, 95, 100), 270, 360, fill = 0)
-    draw.polygon([(110,0),(110,50),(150,25)],outline = 0)
-    draw.polygon([(190,0),(190,50),(150,25)],fill = 0)
-    draw.text((120, 60), 'e-Paper demo', font = font15, fill = 0)
-    draw.text((110, 90), u'', font = font24, fill = 0)
-    
     # read bmp file on window
-    logging.info("3.read bmp file on window...")
     epd.Clear(0xFF)
-    #image1 = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame
-    bmp = Image.open('res/sheo1.bmp')
-    
-    #epd.init(epd.FULL_UPDATE)
-    #epd.displayPartBaseImage(epd.getbuffer(time_image))
 
     epd.init(epd.PART_UPDATE)
-    lyrics = open("lyrics.txt", "r").readlines()
+    n = 0
-    def get_lyric(max_length = 17):
-        print(max_length)
-        lyric = choice(lyrics)
-        out_lyric = ""
-        counter = 0
-        for word in lyric.split(" "):
-            if counter + len(word) < max_length:
-                counter += len(word) + 1
-                out_lyric += word + " "
-            else:
-                counter = len(word) + 1
-                out_lyric += "\n" + word + " "
-        return out_lyric
-
     while (True):
-        time_image = Image.new('1', (epd.height, epd.width), 255)
+        n += 1
-        time_draw = ImageDraw.Draw(time_image)
+        if n is N_REFRESH:
-        x = randint(0, 40)
+            epd.init(epd.FULL_UPDATE)
-        lyric = get_lyric((300-x)//15)
+            epd.Clear(0xFF)
-        time_image.paste(bmp, (x,randint(0, 10)))
+            epd.Clear(0xFF)
-        time_draw.rectangle((160, 90, 250, 122), fill = 255)
+            n = 0
-        time_draw.text((185, 90), time.strftime('%H:%M'), font = font24, fill = 0)
+            time.sleep(1)
-        time_draw.text((100+x, 5), lyric, font = font15, fill = 0)
+            epd.init(epd.PART_UPDATE)
-        epd.displayPartial(epd.getbuffer(time_image))
+        frame = epd.getbuffer(app.get_frame())
-        epd.displayPartial(epd.getbuffer(time_image))
+        epd.displayPartial(frame)
-        time.sleep(30)
+        epd.displayPartial(frame)
-except IOError as e:
+        time.sleep(DELAY)
-    logging.info(e)
 except KeyboardInterrupt:
-    logging.info("ctrl + c:")
+    if not args.debug:
-    epd2in13_V2.epdconfig.module_exit(cleanup=True)
+        epd2in13_V2.epdconfig.module_exit(cleanup=True)
     exit()