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site_init.py
8718664a8961maxwell_viscoelastic…

site_init.py
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			# -- coding: utf-8 --

			# @file
			# @section LICENSE
			#
			# Copyright (©) 2016-2021 EPFL (École Polytechnique Fédérale de Lausanne),
			# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
			#
			# This program is free software: you can redistribute it and/or modify
			# it under the terms of the GNU Affero 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 Affero General Public License for more details.
			#
			# You should have received a copy of the GNU Affero General Public License
			# along with this program. If not, see <https://www.gnu.org/licenses/>.

			import subprocess

			from detect import FindPybind11
			from SCons.Script import Configure
			from SCons.Errors import StopError


			# ------------------------------------------------------------------------------
			def pybind11(env):
			"""A tool to configure pybind11"""
			def execute(command):
			return [line for line in subprocess.check_output(
			command, universal_newlines=True).split('\n')
			if line != ""]

			# Create a clone so we do not modify env
			clone = env.Clone()

			# Set variables for clone
			FindPybind11(clone)
			includes = clone['CPPPATH']

			# Extension of shared library for python
			try:
			extension = execute(
			'{}-config --extension-suffix'.format(env['py_exec']).split())[0]
			except subprocess.CalledProcessError:
			extension = ".so"

			def pybind11_builder(env, target, source, **kwargs):
			"""Create a pybind11 module"""
			clone = env.Clone()
			clone.AppendUnique(CPPPATH=includes)
			clone['SHLIBSUFFIX'] = extension
			clone.AppendUnique(SHLINKFLAGS=['-fvisibility=hidden'])
			return clone.SharedLibrary(target, source, **kwargs)

			# Add pseudo-builder to master environment
			env.AddMethod(pybind11_builder, 'Pybind11Module')


			# ------------------------------------------------------------------------------
			def pretty_cmd_print(command, target, source, env):
			colors = env['COLOR_DICT']
			if 'Copy' in command:
			color = colors['gray']
			action = 'Copying'
			elif 'Creating' in command:
			color = colors['yellow']
			action = 'Generating'
			elif 'database' in command:
			color = colors['yellow']
			action = 'Generating'
			else:
			print(command)
			return

			print("{color}[{action}] {end}{target}".format(
			color=color,
			end=colors['end'],
			target=target[0],
			action=action
			))


			# ------------------------------------------------------------------------------
			def CheckPythonModule(context, module):
			"""Checks the existence of a python module"""
			context.Message('Checking for Python module {}... '.format(module))
			env = context.sconf.env
			command = [env.subst('${py_exec}'), '-c', 'import {}'.format(module)]

			context.Log('Executing external command: {}\n'.format(command))

			try:
			subprocess.check_output(command, stderr=subprocess.STDOUT)
			result = True
			except subprocess.CalledProcessError as e:
			result = False
			output = bytes(e.output)
			context.Log(output.decode() + '\n')

			context.Result(result)
			return result


			# ------------------------------------------------------------------------------
			def CheckCompilerFlag(context, flag):
			"Check compiler provides flag"
			context.Message('Checking compiler flag {}... '.format(flag))
			test_file = """
			int main() {
			return 0;
			}
			"""

			env = context.sconf.env.Clone(CXXFLAGS=[flag],
			LINKFLAGS=[flag])
			context.sconf.env = env

			result = context.TryLink(test_file, '.cpp')
			context.Result(result)
			return result


			# ------------------------------------------------------------------------------
			def dummy_command(env, command, error_msg):
			"""Creates a dummy scons command"""
			def print_error(args, *kwargs):
			print(error_msg)

			def print_cmd(args, *kwargs):
			pass

			comm = env.Command('#.phony_{}'.format(command),
			'', print_error, PRINT_CMD_LINE_FUNC=print_cmd)
			env.Alias(command, comm)


			# ------------------------------------------------------------------------------
			def get_python_version(env):
			versions_script = """
			from __future__ import print_function
			from sysconfig import get_python_version
			print(get_python_version())"""
			version = subprocess.check_output([env['py_exec'], "-c", versions_script],
			universal_newlines=True).replace('\n',
			'')
			print(version)
			return version


			# ------------------------------------------------------------------------------
			def basic_checks(env):
			custom_tests = {
			'CheckCompilerFlag': CheckCompilerFlag,
			}

			conf = Configure(env, custom_tests=custom_tests)

			if not conf.CheckCXX():
			StopError('Could not find working C++ compiler')

			for flag in env['CXXFLAGS']:
			if not conf.CheckCompilerFlag(flag):
			StopError('Compiler does not support flag {}'.format(flag))

			def check_type(cpp_type, stl_header):
			if not conf.CheckType(cpp_type,
			'#include <{}>'.format(stl_header),
			'cpp'):
			StopError('Standard type {} is not available'.format(cpp_type))

			check_type('std::multiplies<void>', 'functional')
			check_type('std::unique_ptr<void>', 'memory')

			conf.Finish()

tamaas/site_scons/site_init.py8718664a8961maxwell_viscoelastic…

site_init.pyView Options

tamaas/site_scons/site_init.py
8718664a8961maxwell_viscoelastic…

site_init.py
View Options