Bug in strptime?

[John Roth]

"Henk-Jan de Jong" <henkjan at xs4all.nl> wrote in message
news:3f9c54bc$0$58714$e4fe514c at news.xs4all.nl...
> Hello all,
>
> I'm completely new in Python and have the next problem. I have a huge file
> with dates a want to convert from one format to another.
>
> e.g 31-12-2003 should become 31122003. I'm using the next piece of code:
>
>
> def changeDate(inDate, inFormat, outFormat):
>     return strftime(outFormat, strptime(inDate, inFormat))
>
> #the next part inside the loop reading the file:
> . .
> newDate = changeDate(oldDate, "%d-%m-%Y", "%d%m%Y")
> . .
>
> When the file is small (less then 50 lines or so), it works fine. If the
> file gets bigger I get the next error:
>
>   File "C:\Python23\lib\_strptime.py", line 424, in strptime
>     raise ValueError("time data did not match format:  data=%s  fmt=%s" %
> ValueError: time data did not match format:  data=  fmt=%d-%m-%Y
>
> What can be wrong?? The data seems ok.

Put a try block around the line causing the error, and print out the
input line at that point.

There is a high probability that enlightenment will occur...

John Roth
>
> Greetinx,
>
> Matuka
>
>