SF 748201: time.strptime() should display format and date on error

Usability fix. Makes the error message more helpful.
2003-07-13 01:31:38 +00:00 · 2003-07-13 01:31:38 +00:00 · 4a6302b6fe
parent 627273733f
commit 4a6302b6fe
1 changed files with 2 additions and 1 deletions
--- a/Lib/_strptime.py
+++ b/Lib/_strptime.py
@ -430,7 +430,8 @@ def strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
        _regex_cache[format] = format_regex
    found = format_regex.match(data_string)
    if not found:
-        raise ValueError("time data did not match format")
+        raise ValueError("time data did not match format:  data=%s  fmt=%s" %
+                         (data_string, format))
    if len(data_string) != found.end():
        raise ValueError("unconverted data remains: %s" %
                          data_string[found.end():])