#!/usr/bin/env python

# pylint: disable-msg=W0404,W0622,W0704,W0613,W0152

"""Generic Setup script, takes package info from __pkginfo__.py file.

:copyright: 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses

"""

__docformat__ = "restructuredtext en"

import os

import sys

import shutil

from os.path import isdir, exists, join, walk

try:

    if os.environ.get('NO_SETUPTOOLS'):

        raise ImportError()

    from setuptools import setup

    from setuptools.command import install_lib

    USE_SETUPTOOLS = 1

except ImportError:

    from distutils.core import setup

    from distutils.command import install_lib

    USE_SETUPTOOLS = 0

sys.modules.pop('__pkginfo__', None)

# import required features

from __pkginfo__ import modname, version, license, short_desc, \

     web, author, author_email

# import optional features

import __pkginfo__

distname = getattr(__pkginfo__, 'distname', modname)

scripts = getattr(__pkginfo__, 'scripts', [])

data_files = getattr(__pkginfo__, 'data_files', None)

include_dirs = getattr(__pkginfo__, 'include_dirs', [])

ext_modules = getattr(__pkginfo__, 'ext_modules', None)

dependency_links = getattr(__pkginfo__, 'dependency_links', [])

STD_BLACKLIST = ('CVS', '.svn', '.hg', 'debian', 'dist', 'build')

IGNORED_EXTENSIONS = ('.pyc', '.pyo', '.elc', '~')

if exists('README'):

    long_description = file('README').read()

else:

    long_description = ''

if USE_SETUPTOOLS:

   requires = {}

   for entry in ("__depends__", "__recommends__"):

      requires.update(getattr(__pkginfo__, entry, {}))

   install_requires = [("%s %s" % (d, v and v or "")).strip()

                       for d, v in requires.iteritems()]

else:

   install_requires = []

def ensure_scripts(linux_scripts):

    """Creates the proper script names required for each platform

    (taken from 4Suite)

    """

    from distutils import util

    if util.get_platform()[:3] == 'win':

        scripts_ = [script + '.bat' for script in linux_scripts]

    else:

        scripts_ = linux_scripts

    return scripts_

def get_packages(directory, prefix):

    """return a list of subpackages for the given directory"""

    result = []

    for package in os.listdir(directory):

        absfile = join(directory, package)

        if isdir(absfile):

            if exists(join(absfile, '__init__.py')) or \

                   package in ('test', 'tests'):

                if prefix:

                    result.append('%s.%s' % (prefix, package))

                else:

                    result.append(package)

                result += get_packages(absfile, result[-1])

    return result

def export(from_dir, to_dir,

           blacklist=STD_BLACKLIST,

           ignore_ext=IGNORED_EXTENSIONS,

           verbose=True):

    """make a mirror of from_dir in to_dir, omitting directories and files

    listed in the black list

    """

    def make_mirror(arg, directory, fnames):

        """walk handler"""

        for norecurs in blacklist:

            try:

                fnames.remove(norecurs)

            except ValueError:

                pass

        for filename in fnames:

            # don't include binary files

            if filename[-4:] in ignore_ext:

                continue

            if filename[-1] == '~':

                continue

            src = join(directory, filename)

            dest = to_dir + src[len(from_dir):]

            if verbose:

                print >> sys.stderr, src, '->', dest

            if os.path.isdir(src):

                if not exists(dest):

                    os.mkdir(dest)

            else:

                if exists(dest):

                    os.remove(dest)

                shutil.copy2(src, dest)

    try:

        os.mkdir(to_dir)

    except OSError, ex:

        # file exists ?

        import errno

        if ex.errno != errno.EEXIST:

            raise

    walk(from_dir, make_mirror, None)

class MyInstallLib(install_lib.install_lib):

    """extend install_lib command to handle  package __init__.py and

    include_dirs variable if necessary

    """

    def run(self):

        """overridden from install_lib class"""

        install_lib.install_lib.run(self)

        # manually install included directories if any

        if include_dirs:

            base = modname

            for directory in include_dirs:

                dest = join(self.install_dir, base, directory)

                export(directory, dest, verbose=False)

def install(**kwargs):

    """setup entry point"""

    if USE_SETUPTOOLS:

        if '--force-manifest' in sys.argv:

            sys.argv.remove('--force-manifest')

    # install-layout option was introduced in 2.5.3-1~exp1

    elif sys.version_info < (2, 5, 4) and '--install-layout=deb' in sys.argv:

        sys.argv.remove('--install-layout=deb')

    kwargs['package_dir'] = {modname : '.'}

    packages = [modname] + get_packages(os.getcwd(), modname)

    if USE_SETUPTOOLS and install_requires:

        kwargs['install_requires'] = install_requires

        kwargs['dependency_links'] = dependency_links

    kwargs['packages'] = packages

    return setup(name = distname,

                 version = version,

                 license = license,

                 description = short_desc,

                 long_description = long_description,

                 author = author,

                 author_email = author_email,

                 url = web,

                 scripts = ensure_scripts(scripts),

                 data_files = data_files,

                 ext_modules = ext_modules,

                 cmdclass = {'install_lib': MyInstallLib},

                 **kwargs

                 )

if __name__ == '__main__' :

    install()