[RFC] bzr.jrydberg.versionedfile

[Aaron Bentley]

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Johan Rydberg wrote:
> Aaron Bentley <aaron.bentley at utoronto.ca> writes:
> 
> 
>>Johan Rydberg wrote:
>>
>>>I disagree.  I think get_text should be the primary operation, and
>>>that it should return a list of lines.  If you want it as a string,
>>>we'll provide a convenience method for you.
>>
>>How about an iterable of lines, rather than a list per se?  Maybe it's
>>moot, given that we have to load the whole thing in memory while parsing
>>the knit, but I can imagine cases in which we'd only want part of the
>>file in memory at a time.
> 
> 
> What cases is that?

Cases where the file size is greater than a gigabyte.  You can imagine a
version of the knit parser that could target a particular range of
output lines, so you could read, say, 50M lines at a time.

> So if you just want part of the lines in memory after the call to
> get_text, it is probably better to do; get_text(...)[x:x+N].

This is alright, but it requires that the implementation generate a list.

But I'll withdraw my suggestion.  Lists are nice and convenient.  If it
turns out

Aaron
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