From b8690fbc951fd937b2c3306da374e0f2d45088a6 Mon Sep 17 00:00:00 2001 From: Fred Drake Date: Tue, 29 Jun 1999 15:49:35 +0000 Subject: [PATCH] Define NotANumber as a subclass of ValueError when using class-based exceptions. When raising NotANumber, pass the string that failed as the exception value. --- Lib/fpformat.py | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Lib/fpformat.py b/Lib/fpformat.py index 8ddd73cf90..a9c405ee42 100644 --- a/Lib/fpformat.py +++ b/Lib/fpformat.py @@ -21,7 +21,11 @@ decoder = re.compile(r'^([-+]?)0*(\d*)((?:\.\d*)?)(([eE][-+]?\d+)?)$') # \3 fraction (empty or begins with point) # \4 exponent part (empty or begins with 'e' or 'E') -NotANumber = 'fpformat.NotANumber' +try: + class NotANumber(ValueError): + pass +except TypeError: + NotANumber = 'fpformat.NotANumber' # Return (sign, intpart, fraction, expo) or raise an exception: # sign is '+' or '-' @@ -30,7 +34,7 @@ NotANumber = 'fpformat.NotANumber' # expo is an integer def extract(s): res = decoder.match(s) - if res is None: raise NotANumber + if res is None: raise NotANumber, s sign, intpart, fraction, exppart = res.group(1,2,3,4) if sign == '+': sign = '' if fraction: fraction = fraction[1:] -- 2.40.0