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MiRCART-python/SAUCEToAnsi.py: added (for spoke.)

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Lucio Andrés Illanes Albornoz 2019-08-28 10:29:28 +02:00
parent 1542c66c64
commit 72f9657608
1 changed files with 57 additions and 0 deletions
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MiRCART-python/SAUCEToAnsi.py Executable file
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#!/usr/bin/env python3
#
# SAUCEToAnsi.py -- convert SAUCE-encoded ANSi to raw ANSI file (for spoke)
# Copyright (c) 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
# This project is licensed under the terms of the MIT licence.
#
import os, re, struct, sys
def SAUCEToAnsi(inPathName, outPathName):
with open(inPathName, "rb") as inFile:
inFileStat = os.stat(inPathName)
inFile.seek(inFileStat.st_size - 128, 0)
inFile.seek(5 + 2 + 35 + 20 + 20 + 8 + 4, 1)
if (inFile.read(1) != b'\x01') \
or (inFile.read(1) != b'\x01'):
print("error: only character based ANSi SAUCE files are supported.", file=sys.stderr)
return 1
else:
width, height = struct.unpack("H", inFile.read(2))[0], struct.unpack("H", inFile.read(2))[0]
print(width)
with open(outPathName, "w+") as outFile:
inFile.seek(0, 0)
inFileData, row, rowChars = inFile.read(inFileStat.st_size - 128).decode("cp437"), "", 0
inFileChar, inFileCharMax = 0, len(inFileData)
while True:
if inFileChar >= inFileCharMax:
break
else:
m = re.match('\x1b\[((?:\d{1,3};?)+)m', inFileData[inFileChar:])
if m:
row += m[0]; inFileChar += len(m[0]);
else:
m = re.match('\x1b\[(\d+)C', inFileData[inFileChar:])
if m:
row += m[0]; inFileChar += len(m[0]); rowChars += int(m[1]);
elif inFileData[inFileChar:inFileChar+2] == "\r\n":
inFileChar += 2; rowChars = width;
elif inFileData[inFileChar] == "\r" \
or inFileData[inFileChar] == "\n":
inFileChar += 1; rowChars = width;
else:
row += inFileData[inFileChar]; inFileChar += 1; rowChars += 1;
if rowChars >= width:
print(row, file=outFile); row = ""; rowChars = 0;
#
# Entry point
def main(*argv):
SAUCEToAnsi(argv[1], argv[2])
if __name__ == "__main__":
if (len(sys.argv) - 1) != 2:
print("usage: {} <SAUCE input file pathname> <ANSI output file pathname>".format(sys.argv[0]), file=sys.stderr)
else:
main(*sys.argv)
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120