File: setup.py

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#!/usr/bin/env python
# Copyright 2013-2015, Ansible, Inc.
# Michael DeHaan <michael@ansible.com>
# Luke Sneeringer <lsneeringer@ansible.com>
# and others
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import re
import os
import sys
import codecs
from distutils.core import setup
from setuptools import find_packages
from setuptools.command.test import test as TestCommand


pkg_name = 'tower_cli'
dashed_name = pkg_name.replace('_', '-')
awx_entry = dashed_name.replace('tower', 'awx')


# Avoid packaging any other API version of tower-cli with current one
exclude_list = ['tests']
primary_install = len(pkg_name.split('_')) == 2
base_name = pkg_name[:9]
if not primary_install:
    exclude_list += [base_name, '{}.*'.format(base_name)]
for v in (1, 2):
    if pkg_name.endswith(str(v)):
        continue
    v_name = '{}_v{}'.format(base_name, v)
    exclude_list += [v_name, '{}.*'.format(v_name)]
discovered_packages = find_packages(exclude=exclude_list)


class Tox(TestCommand):
    """The test command should install and then run tox.

    Based on http://tox.readthedocs.org/en/latest/example/basic.html
    """
    user_options = [('tox-args=', 'a', "Arguments to pass to tox")]

    def initialize_options(self):
        TestCommand.initialize_options(self)
        self.tox_args = ""

    def finalize_options(self):
        TestCommand.finalize_options(self)
        self.test_args = []
        self.test_suite = True

    def run_tests(self):
        import tox  # Import here, because outside eggs aren't loaded.
        import shlex
        sys.exit(tox.cmdline(args=shlex.split(self.tox_args)))


def parse_requirements(filename):
    """Parse out a list of requirements from the given requirements
    requirements file.
    """
    reqs = []
    version_spec_in_play = None

    # Iterate over each line in the requirements file.
    for line in open(filename, 'r').read().strip().split('\n'):
        # Sanity check: Is this an empty line?
        # If so, do nothing.
        if not line.strip():
            continue

        # If this is just a plain requirement (not a comment), then
        # add it to the requirements list.
        if not line.startswith('#'):
            reqs.append(line)
            continue

        # "Header" comments take the form of "=== Python {op} {version} ===",
        # and make the requirement only matter for those versions.
        # If this line is a header comment, parse it.
        match = re.search(r'^# === [Pp]ython (?P<op>[<>=]{1,2}) '
                          r'(?P<major>[\d])\.(?P<minor>[\d]+) ===[\s]*$', line)
        if match:
            version_spec_in_play = match.groupdict()
            for key in ('major', 'minor'):
                version_spec_in_play[key] = int(version_spec_in_play[key])
            continue

        # If this is a comment that otherwise looks like a package, then it
        # should be a package applying only to the current version spec.
        #
        # We can identify something that looks like a package by a lack
        # of any spaces.
        if ' ' not in line[1:].strip() and version_spec_in_play:
            package = line[1:].strip()

            # Sanity check: Is our version of Python one of the ones currently
            # in play?
            op = version_spec_in_play['op']
            vspec = (version_spec_in_play['major'],
                     version_spec_in_play['minor'])
            if '=' in op and sys.version_info[0:2] == vspec:
                reqs.append(package)
            elif '>' in op and sys.version_info[0:2] > vspec:
                reqs.append(package)
            elif '<' in op and sys.version_info[0:2] < vspec:
                reqs.append(package)

    # Okay, we should have an entire list of requirements now.
    return reqs


def combine_files(*args):
    """returns a string of all the strings in *args combined together,
    with two line breaks between them"""
    file_contents = []
    for filename in args:
        with codecs.open(filename, mode='r', encoding='utf8') as f:
            file_contents.append(f.read())
    return "\n\n".join(file_contents)


# Read the constants, for versioning information
constants = {}
exec(
    open(os.path.join(pkg_name, 'constants.py')).read(),
    constants
)


setup(
    # Basic metadata
    name='ansible-%s' % dashed_name,
    version=constants['VERSION'],
    author='Red Hat, Inc.',
    author_email='info@ansible.com',
    url='https://github.com/ansible/tower-cli',

    # Additional information
    description='A CLI tool for Ansible Tower and AWX.',
    long_description=combine_files(
        'README.rst',
        os.path.join('docs', 'source', 'HISTORY.rst')
    ),
    license='Apache 2.0',

    # How to do the install
    install_requires=parse_requirements('requirements.txt'),
    provides=[
        pkg_name,
    ],
    entry_points={
        'console_scripts': [
            '%s=%s.cli.run:cli' % (dashed_name, pkg_name),
            '%s=%s.cli.run:cli' % (awx_entry, pkg_name),
        ],
    },
    packages=discovered_packages,
    include_package_data=True,
    # How to do the tests
    tests_require=['tox'],
    cmdclass={'test': Tox},

    # PyPI metadata.
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Environment :: Console',
        'Intended Audience :: Developers',
        'Intended Audience :: System Administrators',
        'License :: OSI Approved :: Apache Software License',
        'Operating System :: MacOS :: MacOS X',
        'Operating System :: POSIX :: Linux',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3.3',
        'Programming Language :: Python :: 3.4',
        'Programming Language :: Python :: 3.5',
        'Programming Language :: Python :: 3.6',
        'Topic :: System :: Software Distribution',
        'Topic :: System :: Systems Administration',
    ],
    zip_safe=False
)