date and time comparison how to
MRAB
python at mrabarnett.plus.com
Mon Oct 29 23:30:27 EDT 2012
On 2012-10-30 03:11, Dave Angel wrote:
> On 10/29/2012 10:13 PM, noydb wrote:
>> I guess I get there eventually!
>> This seems to work
>>
>> pdf_timeStamp = time.strftime("%m%d%y%H%M%S",time.localtime(os.path.getmtime(pdf)))
>> intermediateTime = time.strptime(pdf_timeStamp, "%m%d%y%H%M%S")
>> pdfFile_compareTime = time.mktime(intermediateTime)
>>
>> (and I'll do the same to the user entered date-n-time and then compare)
>>
>>
>> Lastly, so can anyone chime in and tell me if this is a good method or not? Is there a better way?
>
> Please read the rest of the thread in particular the message 3 hours ago
> from Gary Herron
>
> import datetime, os, stat
> mtime = os.lstat(filename)[stat.ST_MTIME] // the files
> modification time
> dt = datetime.datetime.fromtimestamp(mtime)
>
> Now you can compare two datetimes simply by
> if dt1 < dt2:
>
> Or you can subtract them, and examine the difference.
>
> What's the need for all that string conversion stuff?
>
+1
Incidentally, the best order for dates is year (4 digits - remember
Y2K? :-)) then month then day.
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