[Distutils] Telling distutils about requirements

[Erik Bernoth]

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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