fix lists and improve auto decompile functionality

ti842py/__version__.py

@@ -1,7 +1,7 @@
 __title__ = "ti842py"
 __description__ = "TI-BASIC to Python 3 Transpiler"
 __url__ = "https://github.com/TabulateJarl8/ti842py"
-__version__ = "0.6.3"
+__version__ = "0.6.4"
 __author__ = "Tabulate"
 __author_email__ = "[email protected]"
 __license__ = "GPLv3"

ti842py/main.py

@@ -13,9 +13,23 @@
 	from __version__ import __version__
 
 
+def isUTF8(file):
+	with open(file, 'rb') as f:
+		data = f.read()
+	try:
+		decoded = data.decode('UTF-8')
+	except UnicodeDecodeError:
+		return False
+	else:
+		for ch in decoded:
+			if 0xD800 <= ord(ch) <= 0xDFFF:
+				return False
+		return True
+
+
 def transpile(infile, outfile="stdout", decompileFile=True, forceDecompile=False, multiplication=True, run=False):
 
-	decode = os.path.splitext(infile)[1].lower() == ".8xp" and decompileFile is True
+	decode = not isUTF8(infile) and decompileFile is True
 
 	if decode is True or forceDecompile is True:
 		# Decompile 8Xp file

ti842py/tiParser.py

@@ -40,6 +40,11 @@ def convertLine(self, index, line):
 		# TODO: possible curses interface instead of just printing and outputting
 
 		statement = ""
+
+		# Fix lists
+		number_table = {'₁': '1', '₂': '2', '₃': '3', '₄': '4', '₅': '5', '₆': '6'}
+		line = re.sub('(?:L|l)([₁₂₃₄₅₆]){1}', lambda m: 'L' + number_table[m.group(1)], line)
+
 		# TODO: Make rules for :, dont fully understand it yet
 		if self.skipLine > 0:
 			self.skipLine -= 1