mirror of
https://github.com/outbackdingo/UltraGrid.git
synced 2026-03-20 16:40:12 +00:00
88 lines
2.4 KiB
Python
Executable File
88 lines
2.4 KiB
Python
Executable File
#!/usr/bin/python3
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import re, sys
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MODE_ON = "on"
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MODE_OFF = "off"
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def usage(arg):
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print("Usage: "+arg+" on|off pattern")
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print("\tcomment out code between following markers:")
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print("####################")
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print("# > pattern (optional note)")
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print("####################")
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print("code to comment out")
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print("####################")
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print("# < pattern (optional note)")
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print("####################")
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def checkArgs(argv):
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if (len(argv) != 3):
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print("Error, expected two arguments, yet", len(argv)-1, "given")
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return False
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if (argv[1] != MODE_ON and argv[1] != MODE_OFF):
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print("Mode must be either 'on' or 'off'")
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return False
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return True
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def comment_line(line, mode):
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expr_skip = re.compile("^#{2,}$")
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# rpmspec commenting
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expr_spec_on = re.compile("^\s*%.*")
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expr_spec_off = re.compile("^#\s*%%.*")
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if (expr_skip.match(line)):
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print(line, end="")
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elif(mode == MODE_ON):
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if (expr_spec_on.match(line)):
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line = line.replace("%", "%%")
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print("#"+line, end="")
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elif(mode == MODE_OFF and len(line) > 1 and line[0] == "#"):
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if (expr_spec_off.match(line)):
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line = line.replace("%%", "%")
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print(line[1:], end="")
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else:
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print(line, end="")
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def main(argv):
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if (not checkArgs(argv)):
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usage(argv[0])
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sys.exit(-1)
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mode = argv[1]
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pattern = argv[2]
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expr_on = re.compile("^# > "+pattern+"( .*)?$")
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expr_off = re.compile("^# < "+pattern+"( .*)?$")
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commentingMode = False
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lineIdx = 0
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for line in sys.stdin:
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if (expr_on.match(line)):
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if (commentingMode):
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print("Error on line", lineIdx, ": unexpected comment marker start while in commenting mode")
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sys.exit(-2)
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commentingMode = not commentingMode
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print(line, end="")
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elif (expr_off.match(line)):
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if (not commentingMode):
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print("Error on line", lineIdx, ": unexpected comment marker end while outside commenting mode")
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sys.exit(-2)
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commentingMode = not commentingMode
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print(line, end="")
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elif (commentingMode):
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comment_line(line, mode)
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else:
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print(line, end="")
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lineIdx += 1
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if __name__ == "__main__":
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main(sys.argv)
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