33591282f5
Use the Cython module from the Python installation specified by 'python_cmd', rather than the Python installation that is running SCons. This allows complilation of Cantera for Python versions that aren't supported by SCons (e.g. Python 3.4).
142 lines
6.1 KiB
Python
142 lines
6.1 KiB
Python
"""Cython-based Python Module"""
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from buildutils import *
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Import('env', 'build', 'install')
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localenv = env.Clone()
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cythonized = localenv.Command(
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'cantera/_cantera.cpp',
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'cantera/_cantera.pyx',
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'''${python_cmd} -c "import Cython.Build; Cython.Build.cythonize('${SOURCE}')"''')
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for f in mglob(localenv, 'cantera', 'pyx', 'pxd'):
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localenv.Depends(cythonized, f)
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for line in open('cantera/_cantera.pxd'):
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m = re.search(r'from "(cantera.*?)"', line)
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if m:
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localenv.Depends('cantera/_cantera.cpp', '#include/' + m.group(1))
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dataFiles = localenv.RecursiveInstall('#interfaces/cython/cantera/data',
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'#build/data')
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build(dataFiles)
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testFiles = localenv.RecursiveInstall('#interfaces/cython/cantera/test/data',
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'#test/data')
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build(testFiles)
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for f in ['inputs/h2o2.inp', 'inputs/gri30.inp', 'transport/gri30_tran.dat']:
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inp = build(localenv.Install('#interfaces/cython/cantera/test/data/', '#data/' + f))
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testFiles.append(inp)
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# Get information needed to build the Python module
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script = '\n'.join(("from distutils.sysconfig import *",
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"import numpy",
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"print(get_config_var('EXT_SUFFIX') or get_config_var('SO'))",
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"print(get_config_var('INCLUDEPY'))",
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"print(get_config_var('LDLIBRARY'))",
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"print(get_config_var('prefix'))",
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"print(get_python_version())",
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"print(numpy.get_include())"))
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info = getCommandOutput(localenv['python_cmd'], '-c', script)
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module_ext, inc, pylib, prefix, py_version, numpy_include = info.splitlines()[-6:]
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localenv.Prepend(CPPPATH=[Dir('#include'), inc, numpy_include])
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localenv.Prepend(LIBS=localenv['cantera_libs'])
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if localenv['OS'] == 'Darwin':
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localenv.Append(LINKFLAGS='-undefined dynamic_lookup')
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elif localenv['OS'] == 'Windows':
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localenv.Append(LIBPATH=prefix+'/libs')
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if localenv['toolchain'] == 'mingw':
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localenv.Append(LIBS='python{}'.format(py_version.replace('.','')))
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if localenv['OS_BITS'] == 64:
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localenv.Append(CPPDEFINES='MS_WIN64')
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# fix for http://bugs.python.org/issue11566
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localenv.Append(CPPDEFINES={'_hypot':'hypot'})
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elif localenv['OS'] == 'Cygwin':
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# extract 'pythonX.Y' from 'libpythonX.Y.dll.a'
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localenv.Append(LIBS=pylib[3:-6])
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# Build the Python module
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obj = localenv.SharedObject('#build/temp-py/_cantera', 'cantera/_cantera.cpp')
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ext = localenv.LoadableModule('#build/python/cantera/_cantera{}'.format(module_ext),
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obj, LIBPREFIX='', SHLIBSUFFIX=module_ext,
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SHLIBPREFIX='', LIBSUFFIXES=[module_ext])
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localenv['py_extension'] = ext[0].name
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localenv.SubstFile('setup.py', 'setup.py.in')
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build_cmd = ('cd interfaces/cython &&'
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' $python_cmd_esc setup.py build --build-lib=../../build/python')
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mod = build(localenv.Command('#build/python/cantera/__init__.py', 'setup.py',
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build_cmd))
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env['python_module'] = mod
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env['python_extension'] = ext
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localenv.Depends(mod, ext)
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localenv.Depends(mod, dataFiles + testFiles)
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localenv.Depends(ext, localenv['cantera_staticlib'])
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for f in (mglob(localenv, 'cantera', 'py') +
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mglob(localenv, 'cantera/test', 'py') +
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mglob(localenv, 'cantera/examples/tutorial', 'py') +
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mglob(localenv, 'cantera/examples/equilibrium', 'py') +
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mglob(localenv, 'cantera/examples/kinetics', 'py') +
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mglob(localenv, 'cantera/examples/transport', 'py') +
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mglob(localenv, 'cantera/examples/reactors', 'py') +
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mglob(localenv, 'cantera/examples/onedim', 'py') +
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mglob(localenv, 'cantera/examples/surface_chemistry', 'py') +
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mglob(localenv, 'cantera/examples/misc', 'py')):
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localenv.Depends(mod, f)
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# Determine installation path and install the Python module
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if localenv['python_prefix'] == 'USER':
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# Install to the OS-dependent user site-packages directory
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extra = '--user'
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if localenv['OS'] == 'Darwin':
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extra += ' --prefix=""'
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elif localenv['python_prefix']:
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# A specific location for the Cantera python module has been given
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if localenv['debian'] and localenv.subst('${python_prefix}') == '/usr/local':
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# Installation to /usr/local is the default on Debian-based distributions
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extra = ''
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elif localenv['OS'] == 'Darwin':
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extra = localenv.subst(' --prefix=${python_prefix}')
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elif localenv['libdirname'] == 'lib64':
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# 64-bit RHEL / Fedora
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extra = localenv.subst(
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' --prefix=${python_prefix}'
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' --install-lib=${python_prefix}/lib64/python{}/site-packages'.format(py_version))
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else:
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extra = '--user'
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localenv.AppendENVPath(
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'PYTHONUSERBASE',
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normpath(localenv.subst('$python_prefix')))
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else:
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# Install Python module in the default location
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extra = ''
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env['python_module_loc'] = '<unspecified>'
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if localenv['PYTHON_INSTALLER'] == 'direct':
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mod_inst = install(localenv.Command, 'dummy', mod,
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build_cmd + ' install ' + extra +
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' --record=../../build/python-installed-files.txt' +
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' --single-version-externally-managed')
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global_env = env
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def find_module_dir(target, source, env):
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check = pjoin('cantera', '__init__.py')
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for filename in open('build/python-installed-files.txt').readlines():
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filename = filename.strip()
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if filename.endswith(check):
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filename = filename.replace(check, '')
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global_env['python_module_loc'] = normpath(filename)
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break
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localenv.AlwaysBuild(localenv.AddPostAction(mod_inst, find_module_dir))
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env['install_python_action'] = mod_inst
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elif localenv['PYTHON_INSTALLER'] == 'debian':
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extra = localenv.subst(' --root=${python_prefix}')
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install(localenv.Command, 'dummy', mod,
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build_cmd + ' install --install-layout=deb --no-compile ' + extra)
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elif localenv['PYTHON_INSTALLER'] == 'binary':
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install(localenv.Command, 'dummy', mod,
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build_cmd + ' bdist_msi --dist-dir=../..' +
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' --target-version=' + py_version)
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