88 lines
2.6 KiB
Python
88 lines
2.6 KiB
Python
#! /usr/bin/env python3
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import serial
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import codecs
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import argparse
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serialdevice='/dev/ttyUSB0'
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chars=" qwertzuiopü+asdfghjklöä#yxcvbnm,.-QWERTZUIOPÜ*ASDFGHJKLÖÄ'´`YXCVBNM;:_1234567890ß!\"§$%&/()=?°²³|"
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def main():
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parser = argparse.ArgumentParser(description='Send Textfile over serial')
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parser.add_argument('filename', help="file to print")
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parser.add_argument('-d', '--device', nargs='?', help="serial device name")
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parser.add_argument('-l', '--length', nargs='?', type=int, help="maximum line length")
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parser.add_argument('-w', '--wait', nargs='?', type=int, help="wait after x characters")
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parser.add_argument('-x','--dryrun', action="store_true", help="do not send anything to printer")
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args = parser.parse_args()
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charsperline=65
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if args.length is not None:
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charsperline=int(args.length)
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print("args.length: "+str(args.length))
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print("Checking for maximum line length: "+str(charsperline))
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waitafter=0
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if args.wait is not None:
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waitafter=int(args.wait)
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print("Waiting after every "+str(charsperline)+" characters sent")
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filename=args.filename
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if args.device is not None:
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serialdevice=args.device
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lines=[]
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with codecs.open(filename, encoding='utf-8') as file:
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lines=file.readlines()
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lines=[x.rstrip() for x in lines] # remove whitespaces and linebreaks
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lines=[x.replace("´", "´ ") for x in lines] # add space to chars where printer is not advancing
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lines=[x.replace("`", "` ") for x in lines] # add space to chars where printer is not advancing
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for iline,line in enumerate(lines):
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if not set(line).issubset(chars+'\\'):
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print(str(iline)+":"+str(line))
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print("Contains non printable characters")
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exit()
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if len(line)>charsperline:
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print(str(iline)+":"+str(line))
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print("Line is too long." +str(len(line))+">"+str(charsperline))
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exit()
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if (args.dryrun):
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print("Dry Run enabled")
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with serial.Serial(serialdevice, 9600, timeout=1) as ser:
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charssent=0
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for iline,line in enumerate(lines):
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if waitafter>0 and charssent>waitafter:
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input("Press Enter to continue...")
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charssent=0
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print(str(iline)+"/"+str(len(lines))+" ("+str(charssent)+")"+":"+str(line))
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charssent+=len(line)
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if (not args.dryrun):
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ser.write(line.encode())
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ser.write(b'\n')
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if __name__ == "__main__":
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main()
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