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#!/usr/bin/env python
# Setup script for TVTK, numpy.distutils based.
#
#
import os
import sys
from setuptools import Distribution
def can_compile_extensions():
try:
import numpy # noqa
except Exception:
return False # our extension needs numpy/arrayobject.h
sargs = {'script_name': None, 'script_args': ["--build-ext"]}
d = Distribution(sargs)
cfg = d.get_command_obj('config')
cfg.dump_source = 0
cfg.noisy = 0
cfg.finalize_options()
build_ext = d.get_command_obj('build_ext')
build_ext.finalize_options()
try:
result = cfg.try_compile(
'int main(void) {return 0;}',
headers=['Python.h'],
include_dirs=build_ext.include_dirs,
lang='c'
)
except Exception as exc:
print(f"Compilation failed, assuming no C compiler: {exc}")
return False
else:
return result
def gen_tvtk_classes_zip():
MY_DIR = os.path.dirname(__file__)
sys.path.append(MY_DIR)
from tvtk.code_gen import TVTKGenerator
target = os.path.join(MY_DIR, 'tvtk_classes.zip')
output_dir = os.path.dirname(target)
try:
os.mkdir(output_dir)
except:
pass
print('-'*70)
if os.path.exists(target):
print('Deleting possibly old TVTK classes')
os.unlink(target)
print("Building TVTK classes...", end=' ')
sys.stdout.flush()
cwd = os.getcwd()
os.chdir(output_dir)
gen = TVTKGenerator('')
gen.generate_code()
gen.build_zip(True)
os.chdir(cwd)
print("Done.")
print('-'*70)
sys.path.remove(MY_DIR)
def vtk_version_changed(zipfile):
"""Checks the ZIP file's VTK build version versus the current
installed version of VTK and returns `True` if the versions are
different.
"""
result = True
if os.path.exists(zipfile):
import vtk
vtk_version = vtk.vtkVersion().GetVTKVersion()[:3]
sys.path.append(zipfile)
try:
from tvtk_classes.vtk_version import vtk_build_version
except ImportError:
result = True
else:
if vtk_version != vtk_build_version:
result = True
else:
result = False
sys.path.pop()
return result
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