[Zope] python: file size screw up????

[Aseem Mohanty]

Sorry guys,
I found that I was not reading the file in binary mode. sorry for the 
bother...
AM

Aseem Mohanty wrote:

> Hi,
> I am creating a zip file on the fly on the local file system and 
> sending it back to the browser via an external method. This the 
> following that I do for that (thanks to Jan and Chris M.):
>
>    zip_size = stat(zip_file_name+'.zip')[ST_SIZE]
>    zip_file = open(zip_file_name+'.zip')
>    zip_data = zip_file.read()
>    zip_file.close()     
>    REQUEST.RESPONSE.setStatus('OK')
>    REQUEST.RESPONSE.setHeader('Content-Type','application/zip')
>    REQUEST.RESPONSE.setHeader('Content-Length',zip_size)
>    REQUEST.RESPONSE.setHeader('Content-Disposition','inline; 
> filename='+project_name+'.zip')
>    return zip_data
>
> Everything works perfectly .... EXCEPT :
>
> the file size, when I look up up the properties of the downloaded 
> file, it says its 595 bytes in size but size on disk is 4K (which is 
> correct)... Of course since the file size is screwed up my zip utility 
> goes nuts!!! After some minor tinkering I found that...
>
> the stat.ST_SIZE is not the same as len(zip_file.read())
> stat.ST_SIZE = 4k (correct)
> len(zip_file.read()) = 595 b (why ... oh why...)
>
> what is going on here?? shouldnt they be the same?? any pointers .... 
> anybody??
> TIA
> AM
>

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 Aseem Mohanty							   
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