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* Re: [gentoo-portage-dev] [PATCH gentoolkit 2/2] eclean: Add option to delete binpkgs with changed deps
  @ 2020-03-03  3:38 99%         ` Zac Medico
  0 siblings, 0 replies; 1+ results
From: Zac Medico @ 2020-03-03  3:38 UTC (permalink / raw
  To: Matt Turner; +Cc: gentoo-portage-dev


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On 3/2/20 1:02 PM, Matt Turner wrote:
> On Mon, Mar 2, 2020 at 12:40 PM Matt Turner <mattst88@gentoo.org> wrote:
>>
>> On Sun, Mar 1, 2020 at 10:32 PM Zac Medico <zmedico@gentoo.org> wrote:
>>>
>>> On 2/20/20 9:29 PM, Matt Turner wrote:
>>>> +
>>>>  def findPackages(
>>>>          options,
>>>>          exclude=None,
>>>> @@ -564,7 +577,22 @@ def findPackages(
>>>>
>>>>          # Exclude if binpkg exists in the porttree and not --deep
>>>>          if not destructive and port_dbapi.cpv_exists(cpv):
>>>> -            continue
>>>> +            if not options['changed-deps']:
>>>> +                continue
>>>> +
>>>> +            uselist = bin_dbapi.aux_get(cpv, ['USE'])[0].split()
>>>> +            all_equal = True
>>>> +
>>>> +            for k in ('RDEPEND', 'PDEPEND'):
>>>> +                binpkg_deps = bin_dbapi.aux_get(cpv, [k])
>>>> +                ebuild_deps = port_dbapi.aux_get(cpv, [k])
>>>> +
>>>> +                if not _deps_equal(binpkg_deps, ebuild_deps, cpv.eapi, uselist):
>>>> +                    all_equal = False
>>>> +                    break
>>>> +
>>>> +            if all_equal:
>>>> +                continue
>>>>
>>>>          if destructive and var_dbapi.cpv_exists(cpv):
>>>>              # Exclude if an instance of the package is installed due to
>>>>
>>>
>>> The aux_get calls are expensive, so it's more efficient to get multiple
>>> values with each call like:
>>>         keys = ('RDEPEND', 'PDEPEND')
>>>         binpkg_deps = dict(zip(keys, bin_dbapi.aux_get(cpv, keys))
>>>         ebuild_deps = dict(zip(keys, port_dbapi.aux_get(cpv, keys))
>>>
>>> Otherwise, looks good.
>>
>> Thanks, that makes the code a lot nicer too.
> 
> Actually, use_reduce wants a list (it calls .split). Wrapping those in
> list() looks like it works, but I suspect that's not as you intended.
> What does the zip add over just doing this?
> 
>   binpkg_deps = bin_dbapi.aux_get(cpv, keys)
>   ebuild_deps = port_dbapi.aux_get(cpv, keys)

Using dict(zip(keys, port_dbapi.aux_get(cpv, keys)) is only useful if
you want to use a dictionary to access the values. However, if lists are
good enough then you might just use those instead. You could even join
the values together like this:

  ebuild_deps = ' '.join(port_dbapi.aux_get(cpv, keys))
-- 
Thanks,
Zac


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2020-02-21  5:29     [gentoo-portage-dev] [PATCH gentoolkit 1/2] eclean: Rewrite findPackages() Matt Turner
2020-02-21  5:29     ` [gentoo-portage-dev] [PATCH gentoolkit 2/2] eclean: Add option to delete binpkgs with changed deps Matt Turner
2020-03-02  6:32       ` Zac Medico
2020-03-02 20:40         ` Matt Turner
2020-03-02 21:02           ` Matt Turner
2020-03-03  3:38 99%         ` Zac Medico

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