"""Python Bindings for DiaCanvas2.

This file provides an alternative way for building the Python bindings of
DiaCanvas2. 

You might prefer this method when for some reason the Python libraries are
not recognised by the 'onfigure' script.
"""

MAJOR_VERSION, MINOR_VERSION, MICRO_VERSION = 0, 14, 4

from distutils.command.build import build
from distutils.core import setup
import os
import sys

try:
    import pygtk
    pygtk.require('2.0')
except (ImportError, AssertionError):
    raise SystemExit, 'ERROR: Could not find a recent version of pygtk.'

try:
    import gnomecanvas
except (ImportError, AssertionError):
    raise SystemExit, 'ERROR: Could not find a GnomeCanvas Python binding'

from dsextras import list_files, have_pkgconfig, GLOBAL_INC, GLOBAL_MACROS
from dsextras import InstallLib, BuildExt, PkgConfigExtension
from dsextras import Template, TemplateExtension, pkgc_version_check
from dsextras import getoutput


GLOBAL_MACROS += [('DIACANVAS_MAJOR_VERSION', MAJOR_VERSION)]
GLOBAL_MACROS += [('DIACANVAS_MINOR_VERSION', MINOR_VERSION)]
GLOBAL_MACROS += [('DIACANVAS_MICRO_VERSION', MICRO_VERSION)]

VERSION = "%d.%d.%d" % (MAJOR_VERSION,
                        MINOR_VERSION,
                        MICRO_VERSION)

PYGTK_REQUIRED_VERSION              = '2.0.0'
LIBGNOMECANVAS_REQUIRED_VERSION     = '2.0.0'
LIBDIACANVAS2_REQUIRED_VERSION      = '0.9.2'

PYGTK_SUFFIX = '2.0'
PYGTK_SUFFIX_LONG = 'gtk-' + PYGTK_SUFFIX

GLOBAL_INC.append('..')

DEFS_DIR    = os.path.join('share', 'pygtk', PYGTK_SUFFIX, 'defs')
CODEGEN_DIR = os.path.join('share', 'pygtk', PYGTK_SUFFIX, 'codegen')
INCLUDE_DIR = os.path.join('include', 'pygtk-%s' % PYGTK_SUFFIX)

str_version = sys.version[:3]
version = map(int, str_version.split('.'))
if version < [2, 2]:
    raise SystemExit, \
          "Python 2.2 or higher is required, %s found" % str_version

if not pkgc_version_check('pygtk-2.0', 'PyGTK', PYGTK_REQUIRED_VERSION):
    raise SystemExit, "Aborting"
pygtkincludedir = getoutput('pkg-config --variable pygtkincludedir pygtk-2.0')
codegendir = getoutput('pkg-config --variable codegendir pygtk-2.0')
defsdir = getoutput('pkg-config --variable defsdir pygtk-2.0')

GLOBAL_INC.append(pygtkincludedir)
GTKDEFS = [os.path.join(defsdir, 'pango-types.defs'),
           os.path.join(defsdir, 'gdk-types.defs'),
           os.path.join(defsdir, 'gtk-types.defs')]
CANVASDEFS = [os.path.join(defsdir, 'canvas.defs')]

sys.path.append(codegendir)
try:
    from override import Overrides
except ImportError:
    raise SystemExit, \
'Could not find code generator in %s, do you have installed pygtk correctly?'

canvas = TemplateExtension(name = 'diacanvas',
                           pkc_name='diacanvas2',
                           pkc_version=LIBDIACANVAS2_REQUIRED_VERSION,
                           output='diacanvas._canvas',
                           defs='diacanvas.defs',
                           sources=['diacanvas.c',
                                    'pydiacanvasitem.c',
                                    'pyundo.c',
                                    'diacanvasmodule.c'],
                           register=GTKDEFS + CANVASDEFS + \
                           ['../diacanvas/dia-boxed.defs', 'diashape.defs'],
                           override='diacanvas.override',
                           )
                               
view = TemplateExtension(name = 'diaview',
                         pkc_name='diacanvas2',
                         pkc_version=LIBDIACANVAS2_REQUIRED_VERSION,
                         output='diacanvas.view',
                         defs='diaview.defs',
                         sources=['diaview.c',
                                  'diaviewmodule.c'],
                         register=GTKDEFS + ['diacanvas.defs'],
                         override='diaview.override',
                         )
                               
geometry = TemplateExtension(name = 'diageometry',
                             pkc_name='diacanvas2',
                             pkc_version=LIBDIACANVAS2_REQUIRED_VERSION,
                             output='diacanvas.geometry',
                             defs='diageometry.defs',
                             sources=['diageometry.c',
                                      'diageometrymodule.c'],
                             register=['diacanvas.defs'],
                             override='diageometry.override',
                             )

shape = TemplateExtension(name = 'diashape',
                          pkc_name='diacanvas2',
                          pkc_version=LIBDIACANVAS2_REQUIRED_VERSION,
                          output='diacanvas.shape',
                          defs='diashape.defs',
                          sources=['diashape.c',
                                   'diashapemodule.c'],
                          register=GTKDEFS + ['diacanvas.defs'],
                          override='diashape.override',
                          )

data_files = []
ext_modules = []
py_modules = []

if canvas.can_build():
    ext_modules.append(canvas)
    data_files.append((DEFS_DIR, ('diacanvas.defs',
                                  '../diacanvas/dia-boxed.defs')))

if view.can_build():
    ext_modules.append(view)
    data_files.append((DEFS_DIR, ('diaview.defs',)))
    
if geometry.can_build():
    ext_modules.append(geometry)
    data_files.append((DEFS_DIR, ('diageometry.defs',)))
    
if shape.can_build():
    ext_modules.append(shape)
    data_files.append((DEFS_DIR, ('diashape.defs',)))

if canvas.can_build() and view.can_build() and geometry.can_build() and shape.can_build():
    py_modules.append('diacanvas.__init__')
    py_modules.append('diacanvas.placementtool')
    
doclines = __doc__.split("\n")

setup(name="pydiacanvas2",
      url='http://diacanvas.sourceforge.net',
      version=VERSION,
      license='LGPL',
      platforms=['yes'],
      maintainer="Arjan Molenaar",
      maintainer_email="arjanmol@users.sourceforge.net",
      description = doclines[0],
      long_description = '\n'.join(doclines[2:]),
      package_dir={ 'diacanvas': '.',
                    'diacanvas.__init__': '.',
                    'diacanvas.placementtool': '.' },
      py_modules=py_modules,
      ext_modules=ext_modules,
      data_files=data_files,
      cmdclass={'build_ext': BuildExt})