Move ParseLogicError into comfy.parse.

Don't catch ParseError in comfy.choices.

comfy/choices.py

@@ -3,14 +3,8 @@
 import os
 import random
 
-import comfy.parse
-from comfy.parse import ParseError
-
-class ParseLogicError(ParseError):
-	# something that shouldn't be possible occurred in the code
-	# not the user's fault
-	pass
-
+import comfy.parse as parse
+from comfy.parse import ParseError, ParseLogicError
 
 def get_random_seed():
 	return int.from_bytes(os.urandom(8))
@@ -133,12 +127,7 @@ def translate(text, seed=None, strict=True, reescape=frozenset()):
 	# init our local random number generator
 	rng = random.Random(seed)
 	
-	try:
-		input = comfy.parse.Cursor(text)
-		out = parse_text_with_choices_outer(input)
-		return out
-	except (ParseError) as e:
-		# alternative: re-throw the error
-		stdout.write(f'Error parsing prompt: {e}');
-		return text
+	input = parse.Cursor(text)
+	out = parse_text_with_choices_outer(input)
+	return out
 

comfy/parse.py

@@ -10,6 +10,12 @@ class ParseError(Exception):
 	def __str__(self):
 		return f'{self.message} {self.input.loc()}'
 
+class ParseLogicError(ParseError):
+	# like a ParseError, in that it has an associated cursor position which will help in understanding the error
+	# but unlike a ParseError, because it wasn't the user's fault
+	# something that shouldn't be possible occurred in the code
+	pass
+
 
 class Cursor:
 	def __init__(self, text, skip_space=False, consume=True, space=r'\s+'):