[Distutils] Telling distutils about requirements

[Daniel Holth]

Not really. Install_requires is a setup tools/distribute feature.
On Feb 11, 2013 2:52 PM, "Erik Bernoth" <erik.bernoth at gmail.com> wrote:

> Yes, now it works! Thanks a lot! Last but not least, could you point me in
> the correct direction to add a patch for the distutils documentation,
> explaining this more clearly?
>
>
> On Mon, Feb 11, 2013 at 8:34 PM, Daniel Holth <dholth at gmail.com> wrote:
>
>> Try install_requires = [ the list you have already without () ]
>>
>> Daniel
>>
>>
>> On Mon, Feb 11, 2013 at 2:32 PM, Erik Bernoth <erik.bernoth at gmail.com>wrote:
>>
>>> I basically follow the tutorial in the distutils docs, which is a little
>>> unclear to me in some points.
>>>
>>> If I do as you say it looks like this:
>>> --------------------------------------------------------------
>>>   [...]
>>>     package_dir = { '' : src_path },
>>>     requires = [
>>>         'pylibssh2==1.0.1',
>>>         'pyserial==2.5'
>>>     ],provides = [
>>>         '{} ({})'.format(project, version)
>>>     ]
>>>   [...]
>>> --------------------------------------------------------------
>>> And the result of ``$ python setup.py sdist`` is:
>>>
>>>     [...] # exception stack
>>>     ValueError: expected parenthesized list: '==1.0.1'
>>>
>>> That also happens if I add spaces between project name and comparator.
>>>
>>>
>>> On Mon, Feb 11, 2013 at 8:24 PM, Daniel Holth <dholth at gmail.com> wrote:
>>>
>>>> This is a common mistake. The parenthesis are a Metadata 1.2+ thing.
>>>> Omit them for distutils.
>>>>
>>>>
>>>> On Mon, Feb 11, 2013 at 2:22 PM, Erik Bernoth <erik.bernoth at gmail.com>wrote:
>>>>
>>>>>
>>>>> On Mon, Feb 11, 2013 at 8:07 PM, Daniel Holth <dholth at gmail.com>wrote:
>>>>>
>>>>>> On Mon, Feb 11, 2013 at 1:10 PM, Erik Bernoth <erik.bernoth at gmail.com
>>>>>> > wrote:
>>>>>>
>>>>>>> Hi everybody,
>>>>>>>
>>>>>>> I think I pretty much read all of the
>>>>>>> http://docs.python.org/2/distutils/ and started to create a pypi
>>>>>>> repository for my project (http://pypi.python.org/pypi/monk_tf).
>>>>>>> Now there are some things that are not so clear from the documentation,
>>>>>>> with the most important being requirement handling.
>>>>>>>
>>>>>>> I have the same requirements written down in two ways:
>>>>>>>  a) a requirements.txt file, which can be called with pip install -r
>>>>>>> requirements.txt. Yet I don't see any user downloading a requirements.txt
>>>>>>> file from somewhere, then installing it and only then afterwards getting
>>>>>>> started with actually installing the package they want to install. Who
>>>>>>> would do that?
>>>>>>>
>>>>>>>  b) requires attribute in the setup function call in setup.py. For
>>>>>>> some reason pip completely seems to ignore it. I tested the following way
>>>>>>> (come along with the code from https://github.com/DFE/MONK, if you
>>>>>>> like):
>>>>>>>
>>>>>>>     $ cd MONK
>>>>>>>     $ python setup.py sdist
>>>>>>>     $ cd dist
>>>>>>>     $ tar xfvz monk_tf-v0.1.1.tar.gz
>>>>>>>     $ cd monk_tf-v0.1.1
>>>>>>>     $ python setup.py install
>>>>>>>     running install
>>>>>>>     running build
>>>>>>>     running build_py
>>>>>>>     running install_lib
>>>>>>>     running install_egg_info
>>>>>>>     Writing
>>>>>>> /usr/local/lib/python2.7/dist-packages/monk_tf-v0.1.1.egg-info
>>>>>>>     $python
>>>>>>>     >> import monk_tf
>>>>>>>     (Exception, because a required package can't be found)
>>>>>>>
>>>>>>> So this also didn't seem to install any of the required packages.
>>>>>>>
>>>>>>> I'd really like to know, what I am doing wrong here. Anybody ideas
>>>>>>> or suggestions? Is there another way to tell distutils about the packages
>>>>>>> that should be installed before my package is installed?
>>>>>>>
>>>>>>> Cheers
>>>>>>> Erik
>>>>>>>
>>>>>>
>>>>>> Generally requires.txt is for specific versions of dependencies and
>>>>>> the setup.py list is more permissive.
>>>>>>
>>>>>> Try using pip to install your sdist instead of running setup.py
>>>>>> directly.
>>>>>>
>>>>>>
>>>>> Hi Daniel,
>>>>>
>>>>> I also tried ``pip install monk_tf-v0.1.1.tar.gz``, with the same
>>>>> result as using setup.py directly. He installs it but doesn't consider the
>>>>> "requires" list.
>>>>> From your mail I would interprete that distutils actually should
>>>>> consider the required packages? Maybe I just wrote something incorrectly.
>>>>> Does the following look like a correct statements of the requires
>>>>> parameter?
>>>>> --------------------------------------------------------------
>>>>>   [...]
>>>>>     package_dir = { '' : src_path },
>>>>>     requires = [
>>>>>         'pylibssh2 (==1.0.1)',
>>>>>         'pyserial (==2.5)'
>>>>>     ],provides = [
>>>>>         '{} ({})'.format(project, version)
>>>>>     ]
>>>>>   [...]
>>>>> --------------------------------------------------------------
>>>>>
>>>>> Cheers
>>>>> Erik
>>>>>
>>>>
>>>>
>>>
>>
>
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