python file API
Dave Angel
d at davea.name
Mon Sep 24 17:49:16 EDT 2012
On 09/24/2012 05:35 PM, zipher wrote:
> For some time now, I've wanted to suggest a better abstraction for the <file> type in Python. It currently uses an antiquated C-style interface for moving around in a file, with methods like tell() and seek(). But after attributes were introduced to Python, it seems it should be re-addressed.
>
> Let file-type have an attribute .pos for position. Now you can get rid of the seek() and tell() methods and manipulate the file pointer more easily with standard arithmetic operations.
>
>>>> file.pos = x0ae1 #move file pointer to an absolute address
>>>> file.pos +=1 #increment the file pointer one byte
>>>> curr_pos = file.pos #read current file pointer
> You've now simplified the API by the removal of two obscure legacy methods and replaced them with a more basic one called "position".
>
> Thoughts?
>
> markj
And what approach would you use for positioning relative to
end-of-file? That's currently done with an optional second parameter to
seek() method.
--
DaveA
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