# Copyright (C) 2012, 2015 D. V. Wiebe
#
# @configure_input@
#
##########################################################################
#
# This file is part of the GetData project.
#
# GetData is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation; either version 2.1 of the License, or (at your
# option) any later version.
#
# GetData 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 Lesser General Public
# License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with GetData; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
from distutils.core import setup
from distutils.extension import Extension
from distutils.command.clean import clean as clean
from distutils.command.build import build as build
from os.path import join
from os.path import exists
from os import unlink
from shutil import copy

libsrc_dir = '@top_srcdir@/src'
libbuild_dir = '../../src'
srcdir = '@srcdir@'

#include paths
includes = [ libbuild_dir, libsrc_dir ]

import numpy
includes.append(numpy.get_include())

sources = [ 'pydirfile.c', 'pyentry.c', 'pyfragment.c', 'pygetdata.c' ]

# clean copied source files in out-of-place builds; see below
cmdclass = {}

class gd_clean(clean):
  def run(self):
    if srcdir != '.':
      for x in sources:
        unlink(x)
    clean.run(self)

class gd_build(build):
  def run(self):
    # if we don't do this, the object files will end up in
    #   @top_builddir@/bindings/bindings/python,
    # instead of
    #   @builddir@/build/temp.<whatever>
    # like they're supposed to.  It seems to work, but it's a little crazier
    # than we're willing to deal with.
    for x in sources:
      if not exists(x):
        copy(join(srcdir, x), x)
    build.run(self)

# deal with out-of-place (VPATH) builds
if srcdir != '.':
  includes.append(srcdir) # to find pygetdata.h

  # handle set up and clean up
  cmdclass['build'] = gd_build
  cmdclass['clean'] = gd_clean

# now add this built source; it always ends up where distutils wants it to be
sources.append('pyconstants.c')

# add debug sources
if @GETDATA_DEBUG@:
  copy(join(libsrc_dir, 'debug.c'), 'debug.c') # see comment above
  sources.append('debug.c')

setup(
    name = 'pygetdata',
    version = '@VERSION@',
    cmdclass = cmdclass,
    ext_modules = [
      Extension('pygetdata',
        sources = sources,
        depends = [
          join(srcdir, 'pygetdata.h'),
          join(libbuild_dir, 'gd_config.h'),
          join(libbuild_dir, 'getdata.h')
          ],
        include_dirs = includes,
        library_dirs = [ join(libbuild_dir, '.libs') ],
        libraries = [ 'getdata' ],
        define_macros = [ ('HAVE_CONFIG_H','1') ]
        )
      ]
    )