[Distutils] The PEP 426 defined metadata version will be metadata 3.0

Donald Stufft donald at stufft.io
Thu Feb 27 15:17:56 CET 2014


On Feb 27, 2014, at 9:16 AM, Daniel Holth <dholth at gmail.com> wrote:

> Yes, but the METADATA version of the metadata is not a standard.
> 
> On Thu, Feb 27, 2014 at 9:14 AM, Donald Stufft <donald at stufft.io> wrote:
>> 
>> On Feb 27, 2014, at 9:13 AM, Daniel Holth <dholth at gmail.com> wrote:
>> 
>>> I don't think it matters which number we use in the METADATA key/value
>>> metadata... it's not even checked by anything.
>>> 
>>> On Thu, Feb 27, 2014 at 7:16 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:
>>>> On 27 February 2014 18:16, Vinay Sajip <vinay_sajip at yahoo.co.uk> wrote:
>>>>>> but my question was what are you adding, if anything,
>>>>>> that warranted it having "Metadata-Version: 2.0"?
>>>>> 
>>>>> I believe that the fields 'Private-Version', 'Obsoleted-By',
>>>>> 'Setup-Requires-Dist',
>>>>> 'Extension' and 'Provides-Extra' were added on top of the 1.2 metadata in an
>>>>> early version of PEP 426, before the move to JSON.
>>>> 
>>>> For the record,
>>>> http://hg.python.org/peps/file/3b67372b39ba/pep-0426.txt is the last
>>>> version prior to the switch to JSON, and the summary of differences is
>>>> at http://hg.python.org/peps/file/3b67372b39ba/pep-0426.txt#l1263
>>>> 
>>>> At that time, I think wheel still had a dependency on PEP 426 -
>>>> changing wheels to work with the setuptools metadata was a relatively
>>>> late change after we realised it made sense to decouple the two
>>>> activities.
>>>> 
>>>> Cheers,
>>>> Nick.
>>>> 
>>>> --
>>>> Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
>>> _______________________________________________
>>> Distutils-SIG maillist  -  Distutils-SIG at python.org
>>> https://mail.python.org/mailman/listinfo/distutils-sig
>> 
>> Compliance to standards matter. It's how you get reasonable interoperability.
>> 
>> -----------------
>> Donald Stufft
>> PGP: 0x6E3CBCE93372DCFA // 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA
>> 

Uh, it’s defined in the PEP standards.

-----------------
Donald Stufft
PGP: 0x6E3CBCE93372DCFA // 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA

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