Major refactor, added argument read, and support for another screen

.gitignore

@@ -0,0 +1,3 @@
+src/__pycache__
+spool/
+try.sh

README.md

@@ -22,3 +22,10 @@ Run stampalafanza.py
 
 ![Console](/console.png)
 
+
+
+# Pantalla oled 
+- Install adafruit library 
+# https://github.com/adafruit/Adafruit_CircuitPython_Bundle
+# https://github.com/adafruit/Adafruit_CircuitPython_SSD1306
+- I would recomend to install it in a Python venv not in the native python

spoolraw.py

@@ -28,7 +28,6 @@ def main():
     files = [x for x in sorted(glob.glob(os.path.dirname(os.path.realpath(__file__)) + '/spool/**/*-*', recursive=True))
         if not x.endswith('.info') and not x.endswith('.keep') and not x.endswith('.raw')]
     for fname in files:
-        #print(fname)
         rawname = fname + "." + ppdstd + ".raw"
         if not os.path.isfile(rawname):
             print ("Converto " + os.path.basename(rawname))
@@ -67,7 +66,7 @@ def main():
             cmd = CONV_CMD.split(' ')
             cmd = [x % {'in': fname, 'out': rawname, 'ppd': ppd, 'copies': copies, 'sides': sides, 'media': media} for x in cmd]
             cmd = " ".join(cmd)
-            #print (cmd)
+            print (cmd)
             os.system(cmd)
         else:
             print ("Salto " + os.path.basename(rawname))

src/cups.py

@@ -0,0 +1,9 @@
+import configparser
+
+class CupsManager():
+    def __init__(self,fname,DEFAULT_COPIES,DEFAULT_SIDES,DEFAULT_MEDIA):
+        self.config = configparser.ConfigParser()
+        self.name = "-".join(os.path.basename(fname).split("-")[1:])
+        self.copies = DEFAULT_COPIES
+        self.sides = DEFAULT_SIDES
+        self.media = DEFAULT_MEDIA

src/media.py

@@ -0,0 +1,37 @@
+import os
+from pad4pi import rpi_gpio
+import subprocess
+
+def playSound(file):
+    os.system("mpg123 sounds/" + file + ".mp3 > /dev/null 2>&1 &")
+
+def getPpd():
+    prn = subprocess.check_output("lpstat -d | awk '{print $NF}'", shell=True).decode("utf-8").strip()
+    print("prn: " + prn)
+    ppd = "/etc/cups/ppd/" + prn +".ppd"
+    print("ppd: " + ppd)
+    with open(ppd) as ppdfile:
+        ppdstd = [x for x in ppdfile if x.startswith("*PCFileName:")]
+        ppdstd = ppdstd[0].lower().split('"')[1].split(".ppd")[0]
+    return ppdstd
+
+class KeyStore():
+    def  __init__(self):
+        KEYPAD = [
+            ["1", "2", "3", "A"],
+            ["4", "5", "6", "B"],
+            ["7", "8", "9", "C"],
+            ["*", "0", "#", "D"]
+        ]
+        ROW_PINS = [21, 20,16, 12]# BCM numbering
+        COL_PINS = [26, 19, 13, 6] # BCM numberin
+        factory = rpi_gpio.KeypadFactory()
+        self.keypad = factory.create_keypad(keypad=KEYPAD, row_pins=ROW_PINS, col_pins=COL_PINS)
+        self.keypad.registerKeyPressHandler(self.storeKey)
+        self.keypressed = ""
+
+    def storeKey(self,key):
+        self.keypressed = key
+
+    def restartKey(self):
+        self.keypressed = ""

src/parser.py

@@ -0,0 +1,15 @@
+import sys
+import argparse
+
+def readParameters():
+    usage_examples = sys.argv[0] + " -digits 4 -i2c 0x3c \n"
+    parser = argparse.ArgumentParser(epilog=usage_examples,formatter_class=argparse.RawTextHelpFormatter)
+    parser.add_argument("-digits",help="Number of digits to identify fanzines", default=3,type=int)
+    parser.add_argument("-copies", help="Number of copies by default", default=1, type=int)
+    parser.add_argument("-sides", help="Sides for printing by default two-sided-long-edge, accepted values [two-sided-long-edge, two-sided-short-edge, one-sided]",default="two-sided-long-edge")
+    parser.add_argument("-media", help="Page size, by default it's A4", default="A4")
+    parser.add_argument("-i2c", help="I2c address for your device, default value 0x27", default="0x27")
+    parser.add_argument("-st", help="Screen type, accepted values ['oled', 'lcd'] default oled ", default="oled")
+    args = parser.parse_args()
+    args.i2c = int(args.i2c,16)
+    return args

src/screen.py

@@ -0,0 +1,66 @@
+import time
+from board import SCL, SDA
+import busio
+from PIL import Image, ImageDraw, ImageFont
+import adafruit_ssd1306
+
+class ScreenManager:
+    def __init__(self,screentype,temp_digits = 3,font_path = "/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf",address=0):
+        self.screentype = screentype
+        self.temp_digits = temp_digits
+
+        if screentype.lower() == "oled":
+            self.i2c = busio.I2C(SCL, SDA)
+
+            self.disp = adafruit_ssd1306.SSD1306_I2C(128, 32, self.i2c)
+            self.disp.fill(0)
+            self.disp.show()
+
+            self.width = self.disp.width
+            self.height = self.disp.height
+            self.image = Image.new("1", (self.width,self.height))
+
+            self.draw = ImageDraw.Draw(self.image)
+            self.x = 0
+
+            self.padding = -2
+            self.top = self.padding
+            self.bottom = self.height - self.padding
+
+            self.font = ImageFont.truetype(font_path,size=14)
+            self.draw.rectangle((0, 0, self.width, self.height), outline=0, fill=0)
+        elif screentype.lower() == "lcd":
+            self.mylcd = CharLCD(i2c_expander='PCF8574', address=adress, port=1, cols=16, rows=2, charmap='A02')
+        else:
+            print("Error, invalid screen type")
+            exit(1)
+
+    def __displayLcd(self):
+        r1 = ro1[:16].center(16,' ')
+        r2 = ro2[:16].center(16,' ')
+        self.mylcd.write_string(r1 + '\r\n' + r2)
+
+    def __displayOled(self,ro1,ro2):
+        self.draw.rectangle((0, 0, self.width, self.height), outline=0, fill=0)
+        self.draw.text((self.x, self.top + 0), ro1, font=self.font,fill=255)
+        self.draw.text((self.x, self.top + 16), ro2, font=self.font,fill=255)
+        self.disp.image(self.image)
+        self.disp.show()
+        time.sleep(0.1)
+
+    def display(self,ro1,ro2):
+        if self.screentype == "oled":
+            self.__displayOled(ro1,ro2)
+        elif self.screentype == "lcd":
+            self.__displayLcd(ro1,ro2)
+
+    def __formatCode(self,code):
+        return ("      " + code + "-"*(self.temp_digits - len(code)))
+
+    def displayCode(self,code):
+        fc = self.__formatCode(code)
+        self.display("Stampa La Fanza", fc)
+
+    def display404(self,code):
+        fc = self.__formatCode(code)
+        self.display("No fanza",fc)