On Friday 01 April 2005 11:54, Justin Guerin wrote:
> Hello list,
>
> gzip documentation states that calling the .close() method on a GzipFile
> doesn't really close it. If I'm really through with it, what's the best
> way to close it? I'm using Python2.2 (but the gzip module doesn't seem
> to be any different from 2.4).
>
> Here's my code snippet, if it's relevant:
>
> oldfileobj= file(oldfile, 'r')
darn copy and paste, the above line should be
oldfileobj= gzip.GzipFile(oldfile, 'rb')
> oldmd5 = md5.new()
> tellold = 0
> tellnew = 1
> while tellold != tellnew:
> line = oldfileobj.readline()
> tellold = tellnew
> tellnew = oldfileobj.tell()
> oldmd5.update(line)
>
>
> At this point, I'm finished reading the file, and would like to properly
> close it. Should I just del oldfileobj?
>
> Also, while I'm asking, does anyone know a better way to iterate through
> a gzipped file? The gzip module doesn't support iteration, nor
> xreadlines. I need to avoid reading the entire file contents into memory,
> so I can't use "for line in oldfileobj.readlines()"
>
> Thanks for the pointers.
>
> Justin Guerin
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