[Zope3-dev] Re: A thought on backward compatibility and minimum versions

[Jim Fulton]

On May 31, 2007, at 3:54 PM, Philipp von Weitershausen wrote:

> On 31 May 2007, at 21:50 , Jim Fulton wrote:
>> On May 31, 2007, at 3:37 PM, Philipp von Weitershausen wrote:
>>
>>> Jim Fulton wrote:
>>>> Combined with the fact that that great majority of packages  
>>>> don't change very much after they have become stable, I think  
>>>> most package dependencies could be expressed very simply if  
>>>> there was a simple syntax to specify *just* the major version.   
>>>> In the context of setuptools, I think "*" could be used, as has  
>>>> been suggested, but without leading =s.  So, to specify foo  
>>>> version 2, I think the following syntax would be very reasonable:
>>>>   foo 2*
>>>
>>> Why can't this be foo >2 ?
>>>
>>>> This wouldn't prevent someone from specifying a minimum  
>>>> version.  For example, to combine this with a minimum  
>>>> requirement of 2.5:
>>>>   foo 2* >=2.5
>>>
>>> How about
>>>
>>>   foo 2.>=5
>>
>> This seems really weird to me.
>>
>> I much prefer: "foo 2, >=2.5"
>
> Would you be able to write
>
>   foo 2.4, >=2.4.3

Yup.

Jim

(Of course, I have to sell this to PJE. :)

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