How to use the afdko.autohint.ACOptionParseError function in afdko

options.new = 1
		elif arg in ["-xg", "-g"]:
			if arg == "-xg":
				options.excludeGlyphList = 1
			i = i +1
			glyphString = sys.argv[i]
			if glyphString[0] == "-":
				raise ACOptionParseError("Option Error: it looks like the first item in the glyph list following '-g' is another option.")
			options.glyphList += parseGlyphListArg(glyphString)
		elif arg in ["-xgf", "-gf"]:
			if arg == "-xgf":
				options.excludeGlyphList = 1
			i = i +1
			filePath = sys.argv[i]
			if filePath[0] == "-":
				raise ACOptionParseError("Option Error: it looks like the the glyph list file following '-gf' is another option.")
			try:
				with open(filePath, "r", encoding='utf-8') as gf:
					glyphString = gf.read()
			except (IOError,OSError):
				raise ACOptionParseError("Option Error: could not open glyph list file <%s>." %  filePath)
			options.glyphList += parseGlyphListArg(glyphString)
		elif arg[0] == "-":
			raise ACOptionParseError("Option Error: Unknown option <%s>." %  arg)
		else:
			arg = arg.rstrip(os.sep) # might be a UFO font. auto completion in some shells adds a dir separator, which then causes problems with os.path.dirname().
			options.fileList += [arg]
		i  += 1

	if not options.fileList:
		raise ACOptionParseError("Option Error: You must provide at least one font file path.")

raise ACOptionParseError("Option Error: it looks like the the glyph list file following '-gf' is another option.")
			try:
				with open(filePath, "r", encoding='utf-8') as gf:
					glyphString = gf.read()
			except (IOError,OSError):
				raise ACOptionParseError("Option Error: could not open glyph list file <%s>." %  filePath)
			options.glyphList += parseGlyphListArg(glyphString)
		elif arg[0] == "-":
			raise ACOptionParseError("Option Error: Unknown option <%s>." %  arg)
		else:
			arg = arg.rstrip(os.sep) # might be a UFO font. auto completion in some shells adds a dir separator, which then causes problems with os.path.dirname().
			options.fileList += [arg]
		i  += 1

	if not options.fileList:
		raise ACOptionParseError("Option Error: You must provide at least one font file path.")

	return options

options.glyphList += parseGlyphListArg(glyphString)
		elif arg in ["-xgf", "-gf"]:
			if arg == "-xgf":
				options.excludeGlyphList = 1
			i = i +1
			filePath = sys.argv[i]
			if filePath[0] == "-":
				raise ACOptionParseError("Option Error: it looks like the the glyph list file following '-gf' is another option.")
			try:
				with open(filePath, "r", encoding='utf-8') as gf:
					glyphString = gf.read()
			except (IOError,OSError):
				raise ACOptionParseError("Option Error: could not open glyph list file <%s>." %  filePath)
			options.glyphList += parseGlyphListArg(glyphString)
		elif arg[0] == "-":
			raise ACOptionParseError("Option Error: Unknown option <%s>." %  arg)
		else:
			arg = arg.rstrip(os.sep) # might be a UFO font. auto completion in some shells adds a dir separator, which then causes problems with os.path.dirname().
			options.fileList += [arg]
		i  += 1

	if not options.fileList:
		raise ACOptionParseError("Option Error: You must provide at least one font file path.")

	return options

elif arg == "-d":
			options.debug = 1
		elif arg == "-q":
			options.verbose = 0
		elif arg == "-o":
			i = i +1
			options.reportPath = sys.argv[i]
		elif arg == "-new":
			options.new = 1
		elif arg in ["-xg", "-g"]:
			if arg == "-xg":
				options.excludeGlyphList = 1
			i = i +1
			glyphString = sys.argv[i]
			if glyphString[0] == "-":
				raise ACOptionParseError("Option Error: it looks like the first item in the glyph list following '-g' is another option.")
			options.glyphList += parseGlyphListArg(glyphString)
		elif arg in ["-xgf", "-gf"]:
			if arg == "-xgf":
				options.excludeGlyphList = 1
			i = i +1
			filePath = sys.argv[i]
			if filePath[0] == "-":
				raise ACOptionParseError("Option Error: it looks like the the glyph list file following '-gf' is another option.")
			try:
				with open(filePath, "r", encoding='utf-8') as gf:
					glyphString = gf.read()
			except (IOError,OSError):
				raise ACOptionParseError("Option Error: could not open glyph list file <%s>." %  filePath)
			options.glyphList += parseGlyphListArg(glyphString)
		elif arg[0] == "-":
			raise ACOptionParseError("Option Error: Unknown option <%s>." %  arg)