File: setup.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# <sure - utility belt for automated testing in python>
# Copyright (C) <2010-2013>  Gabriel Falcão <gabriel@nacaolivre.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import ast
import os
import re
from setuptools import setup, find_packages


class VersionFinder(ast.NodeVisitor):

    def __init__(self):
        self.version = None

    def visit_Assign(self, node):
        try:
            if node.targets[0].id == 'version':
                self.version = node.value.s
        except:
            pass


def read_version():
    """Read version from sure/version.py without loading any files"""
    finder = VersionFinder()
    filename = os.path.join(os.path.dirname(__file__), 'sure', '__init__.py')
    with open(filename, 'rb') as fp:
        finder.visit(ast.parse(fp.read()))
    return finder.version


def parse_requirements(path):
    """Rudimentary parser for the `requirements.txt` file

    We just want to separate regular packages from links to pass them to the
    `install_requires` and `dependency_links` params of the `setup()`
    function properly.
    """
    try:
        requirements = map(str.strip, local_file(path).splitlines())
    except IOError:
        raise RuntimeError("Couldn't find the `requirements.txt' file :(")

    links = []
    pkgs = []
    for req in requirements:
        if not req:
            continue
        if 'http:' in req or 'https:' in req:
            links.append(req)
            name, version = re.findall("\#egg=([^\-]+)-(.+$)", req)[0]
            pkgs.append('{0}=={1}'.format(name, version))
        else:
            pkgs.append(req)

    return pkgs, links


local_file = lambda *f: \
    open(os.path.join(os.path.dirname(__file__), *f)).read()


install_requires, dependency_links = \
    parse_requirements('requirements.txt')


if __name__ == '__main__':
    setup(name='sure',
          version=read_version(),
          description='utility belt for automated testing in python for python',
          author='Gabriel Falcao',
          long_description=local_file('README.rst'),
          author_email='gabriel@nacaolivre.org',
          include_package_data=True,
          url='http://github.com/gabrielfalcao/sure',
          packages=find_packages(exclude=['*tests*']),
          install_requires=install_requires,
          dependency_links=dependency_links,
    )