94ea9b585f
Update and make more consistent the specification of Python package building. Since SCons can be run by Python 3 now, we cannot assume that the Python running SCons is Python 2. This changes a bunch of assumptions in SConstruct about where things should be built or installed. This commit addresses those assumptions by making the options for Python 2 and Python 3 symmetric.
62 lines
3.1 KiB
Python
62 lines
3.1 KiB
Python
"""Minimal 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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for py_ver in [2, 3]:
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if env['python{}_package'.format(py_ver)] == 'minimal':
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make_setup = build(localenv.SubstFile('setup{}.py'.format(py_ver), 'setup.py.in'))
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# copy scripts from the full Cython module
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for script in ['ctml_writer', 'ck2cti']:
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# The actual script
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s = build(env.Command('cantera/%s.py' % script,
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'#interfaces/cython/cantera/%s.py' % script,
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Copy('$TARGET', '$SOURCE')))
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localenv.Depends(make_setup, s)
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localenv['python{}_cmd_esc'.format(py_ver)] = quoted(localenv['python{}_cmd'.format(py_ver)])
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build_cmd = ('cd interfaces/python_minimal &&'
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' $python{py_ver}_cmd_esc setup{py_ver}.py build --build-lib=../../build/python{py_ver}'.format(py_ver=py_ver))
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mod = build(localenv.Command('#build/python{}/cantera/__init__.py'.format(py_ver),
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'setup{}.py'.format(py_ver),
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build_cmd))
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env['python{}_module'.format(py_ver)] = mod
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if localenv['PYTHON_INSTALLER'] == 'direct':
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if localenv['python{}_prefix'.format(py_ver)] == 'USER':
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# Install to the OS-dependent user site-packages directory
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extra = '--user'
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if localenv['OS'] == 'Darwin':
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extra += ' --prefix=""'
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elif localenv['python{}_prefix'.format(py_ver)]:
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# A specific location for the Cantera python module has been given
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extra = '--user'
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if localenv['OS'] == 'Darwin':
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extra += ' --prefix=""'
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localenv.AppendENVPath(
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'PYTHONUSERBASE',
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normpath(localenv.subst('$python{}_prefix'.format(py_ver)))
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)
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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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mod_inst = install(localenv.Command, 'dummy{}'.format(py_ver), mod,
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build_cmd + ' install %s' % extra +
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' --record=../../build/python{}-installed-files.txt'.format(py_ver) +
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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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py_ver = str(source[0]).split('/')[1][-1]
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for filename in open('build/python{}-installed-files.txt'.format(py_ver)).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'.format(py_ver)] = 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'.format(py_ver)] = mod_inst
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