setup.py

from setuptools import setup, find_packages
from distutils.version import StrictVersion
from importlib import import_module
import re

def get_version(verbose=1):
    """ Extract version information from source code """

    try:
        with open('qcodes/version.py', 'r') as f:
            ln = f.readline()
            # print(ln)
            m = re.search('.* ''(.*)''', ln)
            version = (m.group(1)).strip('\'')
    except Exception as E:
        print(E)
        version = 'none'
    if verbose:
        print('get_version: %s' % version)
    return version


def readme():
    with open('README.rst') as f:
        return f.read()

extras = {
    'MatPlot': ('matplotlib', '2.0.2'),
    'QtPlot': ('pyqtgraph', '0.10.0'),
    'coverage tests': ('coverage', '4.0'),
    'Slack': ('slacker', '0.9.42')
}
extras_require = {k: '>='.join(v) for k, v in extras.items()}

setup(name='qcodes',
      version=get_version(),
      use_2to3=False,

      maintainer='Jens H Nielsen',
      maintainer_email='j.h.nielsen@nbi.ku.dk',
      description='Python-based data acquisition framework developed by the '
                  'Copenhagen / Delft / Sydney / Microsoft quantum computing '
                  'consortium',
      long_description=readme(),
      url='https://github.com/QCoDeS/Qcodes',
      classifiers=[
          'Development Status :: 3 - Alpha',
          'Intended Audience :: Science/Research',
          'Programming Language :: Python :: 3 :: Only',
          'Programming Language :: Python :: 3.6',
          'Topic :: Scientific/Engineering'
      ],
      license='MIT',
      # if we want to install without tests:
      # packages=find_packages(exclude=["*.tests", "tests"]),
      packages=find_packages(),
      package_data={'qcodes': ['monitor/dist/*', 'monitor/dist/js/*',
                               'monitor/dist/css/*', 'config/*.json',
                               'instrument/sims/*.yaml',
                               'tests/dataset/fixtures/2018-01-17/*/*']},
      install_requires=[
          'numpy>=1.10,<1.14',
          'pyvisa>=1.8',
          'h5py>=2.6',
          'websockets>=3.2',
          'jsonschema',
          'pyzmq'
      ],

      test_suite='qcodes.tests',
      extras_require=extras_require,

      # I think the only part of qcodes that would care about zip_safe
      # is utils.helpers.reload_code; users of a zip-installed package
      # shouldn't be needing to do this anyway, but we should test first.
      zip_safe=False)

version_template = '''
*****
***** package {0} must be at least version {1}.
***** Please upgrade it (pip install -U {0} or conda install {0})
***** in order to use {2}
*****
'''

missing_template = '''
*****
***** package {0} not found
***** Please install it (pip install {0} or conda install {0})
***** in order to use {1}
*****
'''

valueerror_template = '''
*****
***** package {0} version not understood
***** Please make sure the installed version ({1})
***** is compatible with the minimum required version ({2})
***** in order to use {3}
*****
'''

# now test the versions of extras
for extra, (module_name, min_version) in extras.items():
    try:
        module = import_module(module_name)
        if StrictVersion(module.__version__) < StrictVersion(min_version):
            print(version_template.format(module_name, min_version, extra))
    except ImportError:
        print(missing_template.format(module_name, extra))
    except ValueError:
        print(valueerror_template.format(
            module_name, module.__version__, min_version, extra))