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659 lines
22 KiB
Python
659 lines
22 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2007-2015 (ita)
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# Gustavo Carneiro (gjc), 2007
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"""
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Support for Python, detect the headers and libraries and provide
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*use* variables to link C/C++ programs against them::
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def options(opt):
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opt.load('compiler_c python')
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def configure(conf):
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conf.load('compiler_c python')
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conf.check_python_version((2,4,2))
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conf.check_python_headers()
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def build(bld):
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bld.program(features='pyembed', source='a.c', target='myprog')
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bld.shlib(features='pyext', source='b.c', target='mylib')
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"""
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import os, sys
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from waflib import Errors, Logs, Node, Options, Task, Utils
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from waflib.TaskGen import extension, before_method, after_method, feature
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from waflib.Configure import conf
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FRAG = '''
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#include <Python.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void Py_Initialize(void);
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void Py_Finalize(void);
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#ifdef __cplusplus
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}
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#endif
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int main(int argc, char **argv)
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{
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(void)argc; (void)argv;
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Py_Initialize();
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Py_Finalize();
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return 0;
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}
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'''
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"""
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Piece of C/C++ code used in :py:func:`waflib.Tools.python.check_python_headers`
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"""
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INST = '''
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import sys, py_compile
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py_compile.compile(sys.argv[1], sys.argv[2], sys.argv[3], True)
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'''
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"""
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Piece of Python code used in :py:class:`waflib.Tools.python.pyo` and :py:class:`waflib.Tools.python.pyc` for byte-compiling python files
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"""
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@before_method('process_source')
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@feature('py')
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def feature_py(self):
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"""
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Create tasks to byte-compile .py files and install them, if requested
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"""
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self.install_path = getattr(self, 'install_path', '${PYTHONDIR}')
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install_from = getattr(self, 'install_from', None)
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if install_from and not isinstance(install_from, Node.Node):
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install_from = self.path.find_dir(install_from)
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self.install_from = install_from
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ver = self.env.PYTHON_VERSION
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if not ver:
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self.bld.fatal('Installing python files requires PYTHON_VERSION, try conf.check_python_version')
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if int(ver.replace('.', '')) > 31:
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self.install_32 = True
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@extension('.py')
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def process_py(self, node):
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"""
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Add signature of .py file, so it will be byte-compiled when necessary
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"""
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assert(hasattr(self, 'install_path')), 'add features="py" for target "%s" in "%s/wscript".' % (self.target, self.path.abspath())
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self.install_from = getattr(self, 'install_from', None)
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relative_trick = getattr(self, 'relative_trick', True)
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if self.install_from:
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assert isinstance(self.install_from, Node.Node), \
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'add features="py" for target "%s" in "%s/wscript" (%s).' % (self.target, self.path.abspath(), type(self.install_from))
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# where to install the python file
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if self.install_path:
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if self.install_from:
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self.add_install_files(install_to=self.install_path, install_from=node, cwd=self.install_from, relative_trick=relative_trick)
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else:
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self.add_install_files(install_to=self.install_path, install_from=node, relative_trick=relative_trick)
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lst = []
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if self.env.PYC:
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lst.append('pyc')
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if self.env.PYO:
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lst.append('pyo')
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if self.install_path:
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if self.install_from:
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target_dir = node.path_from(self.install_from) if relative_trick else node.name
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pyd = Utils.subst_vars("%s/%s" % (self.install_path, target_dir), self.env)
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else:
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target_dir = node.path_from(self.path) if relative_trick else node.name
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pyd = Utils.subst_vars("%s/%s" % (self.install_path, target_dir), self.env)
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else:
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pyd = node.abspath()
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for ext in lst:
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if self.env.PYTAG and not self.env.NOPYCACHE:
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# __pycache__ installation for python 3.2 - PEP 3147
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name = node.name[:-3]
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pyobj = node.parent.get_bld().make_node('__pycache__').make_node("%s.%s.%s" % (name, self.env.PYTAG, ext))
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pyobj.parent.mkdir()
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else:
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pyobj = node.change_ext(".%s" % ext)
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tsk = self.create_task(ext, node, pyobj)
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tsk.pyd = pyd
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if self.install_path:
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self.add_install_files(install_to=os.path.dirname(pyd), install_from=pyobj, cwd=node.parent.get_bld(), relative_trick=relative_trick)
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class pyc(Task.Task):
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"""
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Byte-compiling python files
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"""
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color = 'PINK'
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def __str__(self):
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node = self.outputs[0]
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return node.path_from(node.ctx.launch_node())
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def run(self):
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cmd = [Utils.subst_vars('${PYTHON}', self.env), '-c', INST, self.inputs[0].abspath(), self.outputs[0].abspath(), self.pyd]
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ret = self.generator.bld.exec_command(cmd)
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return ret
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class pyo(Task.Task):
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"""
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Byte-compiling python files
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"""
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color = 'PINK'
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def __str__(self):
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node = self.outputs[0]
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return node.path_from(node.ctx.launch_node())
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def run(self):
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cmd = [Utils.subst_vars('${PYTHON}', self.env), Utils.subst_vars('${PYFLAGS_OPT}', self.env), '-c', INST, self.inputs[0].abspath(), self.outputs[0].abspath(), self.pyd]
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ret = self.generator.bld.exec_command(cmd)
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return ret
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@feature('pyext')
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@before_method('propagate_uselib_vars', 'apply_link')
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@after_method('apply_bundle')
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def init_pyext(self):
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"""
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Change the values of *cshlib_PATTERN* and *cxxshlib_PATTERN* to remove the
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*lib* prefix from library names.
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"""
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self.uselib = self.to_list(getattr(self, 'uselib', []))
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if not 'PYEXT' in self.uselib:
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self.uselib.append('PYEXT')
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# override shlib_PATTERN set by the osx module
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self.env.cshlib_PATTERN = self.env.cxxshlib_PATTERN = self.env.macbundle_PATTERN = self.env.pyext_PATTERN
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self.env.fcshlib_PATTERN = self.env.dshlib_PATTERN = self.env.pyext_PATTERN
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try:
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if not self.install_path:
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return
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except AttributeError:
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self.install_path = '${PYTHONARCHDIR}'
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@feature('pyext')
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@before_method('apply_link', 'apply_bundle')
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def set_bundle(self):
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"""Mac-specific pyext extension that enables bundles from c_osx.py"""
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if Utils.unversioned_sys_platform() == 'darwin':
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self.mac_bundle = True
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@before_method('propagate_uselib_vars')
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@feature('pyembed')
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def init_pyembed(self):
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"""
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Add the PYEMBED variable.
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"""
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self.uselib = self.to_list(getattr(self, 'uselib', []))
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if not 'PYEMBED' in self.uselib:
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self.uselib.append('PYEMBED')
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@conf
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def get_sysconfig_variable(self, variable):
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"""
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Spawn a new python process to dump configuration variables
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:param variable: variable to print
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:type variable: string
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:return: the variable value
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:rtype: string
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"""
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env = dict(os.environ)
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try:
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del env['MACOSX_DEPLOYMENT_TARGET'] # see comments in the OSX tool
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except KeyError:
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pass
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cmd = self.env.PYTHON + ["-c", "import sysconfig; print(sysconfig.get_config_var(%r))" % variable]
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out = self.cmd_and_log(cmd, env=env).strip()
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if out == "None":
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return ""
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else:
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return out
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@conf
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def get_sysconfig_variables(self, variables):
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"""
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Spawn a new python process to dump configuration variables
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:param variables: variables to print
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:type variables: list of string
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:return: the variable values
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:rtype: list of string
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"""
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return [self.get_sysconfig_variable(variable=v) for v in variables]
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@conf
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def get_sysconfig_path(self, name):
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"""
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Spawn a new python process to dump configuration paths
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:param name: path to print
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:type variable: string
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:return: the path value
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:rtype: string
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"""
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env = dict(os.environ)
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try:
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del env['MACOSX_DEPLOYMENT_TARGET'] # see comments in the OSX tool
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except KeyError:
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pass
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if self.env.PREFIX:
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# If project wide PREFIX is set, construct the install directory based on this
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# Note: we could use sysconfig.get_preferred_scheme('user') but that is Python >= 3.10 only
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pref_scheme = 'posix_user' # Default to *nix name
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if Utils.unversioned_sys_platform() == 'darwin':
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pref_scheme = 'osx_framework_user'
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elif Utils.unversioned_sys_platform() == 'win32':
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pref_scheme = 'nt_user'
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cmd = self.env.PYTHON + ["-c", "import sysconfig; print(sysconfig.get_path(%r, %r, {'userbase': %r}))" % (name, pref_scheme, self.env.PREFIX)]
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else:
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cmd = self.env.PYTHON + ["-c", "import sysconfig; print(sysconfig.get_path(%r))" % name]
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out = self.cmd_and_log(cmd, env=env).strip()
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if out == "None":
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return ""
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else:
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return out
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@conf
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def test_pyembed(self, mode, msg='Testing pyembed configuration'):
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self.check(header_name='Python.h', define_name='HAVE_PYEMBED', msg=msg,
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fragment=FRAG, errmsg='Could not build a python embedded interpreter',
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features='%s %sprogram pyembed' % (mode, mode))
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@conf
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def test_pyext(self, mode, msg='Testing pyext configuration'):
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self.check(header_name='Python.h', define_name='HAVE_PYEXT', msg=msg,
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fragment=FRAG, errmsg='Could not build python extensions',
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features='%s %sshlib pyext' % (mode, mode))
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@conf
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def python_cross_compile(self, features='pyembed pyext'):
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"""
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For cross-compilation purposes, it is possible to bypass the normal detection and set the flags that you want:
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PYTHON_VERSION='3.4' PYTAG='cpython34' pyext_PATTERN="%s.so" PYTHON_LDFLAGS='-lpthread -ldl' waf configure
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The following variables are used:
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PYTHON_VERSION required
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PYTAG required
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PYTHON_LDFLAGS required
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pyext_PATTERN required
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PYTHON_PYEXT_LDFLAGS
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PYTHON_PYEMBED_LDFLAGS
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"""
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features = Utils.to_list(features)
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if not ('PYTHON_LDFLAGS' in self.environ or 'PYTHON_PYEXT_LDFLAGS' in self.environ or 'PYTHON_PYEMBED_LDFLAGS' in self.environ):
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return False
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for x in 'PYTHON_VERSION PYTAG pyext_PATTERN'.split():
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if not x in self.environ:
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self.fatal('Please set %s in the os environment' % x)
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else:
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self.env[x] = self.environ[x]
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xx = self.env.CXX_NAME and 'cxx' or 'c'
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if 'pyext' in features:
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flags = self.environ.get('PYTHON_PYEXT_LDFLAGS', self.environ.get('PYTHON_LDFLAGS'))
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if flags is None:
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self.fatal('No flags provided through PYTHON_PYEXT_LDFLAGS as required')
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else:
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self.parse_flags(flags, 'PYEXT')
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self.test_pyext(xx)
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if 'pyembed' in features:
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flags = self.environ.get('PYTHON_PYEMBED_LDFLAGS', self.environ.get('PYTHON_LDFLAGS'))
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if flags is None:
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self.fatal('No flags provided through PYTHON_PYEMBED_LDFLAGS as required')
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else:
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self.parse_flags(flags, 'PYEMBED')
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self.test_pyembed(xx)
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return True
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@conf
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def check_python_headers(conf, features='pyembed pyext'):
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"""
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Check for headers and libraries necessary to extend or embed python by using the module *sysconfig*.
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On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
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* PYEXT: for compiling python extensions
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* PYEMBED: for embedding a python interpreter
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"""
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features = Utils.to_list(features)
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assert ('pyembed' in features) or ('pyext' in features), "check_python_headers features must include 'pyembed' and/or 'pyext'"
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env = conf.env
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if not env.CC_NAME and not env.CXX_NAME:
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conf.fatal('load a compiler first (gcc, g++, ..)')
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# bypass all the code below for cross-compilation
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if conf.python_cross_compile(features):
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return
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if not env.PYTHON_VERSION:
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conf.check_python_version()
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pybin = env.PYTHON
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if not pybin:
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conf.fatal('Could not find the python executable')
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# so we actually do all this for compatibility reasons and for obtaining pyext_PATTERN below
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v = 'prefix SO EXT_SUFFIX LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split()
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try:
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lst = conf.get_sysconfig_variables(variables=v)
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except RuntimeError:
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conf.fatal("Python development headers not found (-v for details).")
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vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
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conf.to_log("Configuration returned from %r:\n%s\n" % (pybin, '\n'.join(vals)))
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dct = dict(zip(v, lst))
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x = 'MACOSX_DEPLOYMENT_TARGET'
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if dct[x]:
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env[x] = conf.environ[x] = str(dct[x])
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env.pyext_PATTERN = '%s' + (dct['EXT_SUFFIX'] or dct['SO']) # SO is deprecated in 3.5 and removed in 3.11
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# Try to get pythonX.Y-config
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num = '.'.join(env.PYTHON_VERSION.split('.')[:2])
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conf.find_program([''.join(pybin) + '-config', 'python%s-config' % num, 'python-config-%s' % num, 'python%sm-config' % num], var='PYTHON_CONFIG', msg="python-config", mandatory=False)
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if env.PYTHON_CONFIG:
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# check python-config output only once
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if conf.env.HAVE_PYTHON_H:
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return
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# python2.6-config requires 3 runs
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all_flags = [['--cflags', '--libs', '--ldflags']]
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if sys.hexversion < 0x2070000:
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all_flags = [[k] for k in all_flags[0]]
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xx = env.CXX_NAME and 'cxx' or 'c'
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if 'pyembed' in features:
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for flags in all_flags:
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# Python 3.8 has different flags for pyembed, needs --embed
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embedflags = flags + ['--embed']
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try:
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conf.check_cfg(msg='Asking python-config for pyembed %r flags' % ' '.join(embedflags), path=env.PYTHON_CONFIG, package='', uselib_store='PYEMBED', args=embedflags)
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except conf.errors.ConfigurationError:
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# However Python < 3.8 doesn't accept --embed, so we need a fallback
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conf.check_cfg(msg='Asking python-config for pyembed %r flags' % ' '.join(flags), path=env.PYTHON_CONFIG, package='', uselib_store='PYEMBED', args=flags)
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try:
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conf.test_pyembed(xx)
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except conf.errors.ConfigurationError:
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# python bug 7352
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if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
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env.append_unique('LIBPATH_PYEMBED', [dct['LIBDIR']])
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conf.test_pyembed(xx)
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else:
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raise
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if 'pyext' in features:
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for flags in all_flags:
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conf.check_cfg(msg='Asking python-config for pyext %r flags' % ' '.join(flags), path=env.PYTHON_CONFIG, package='', uselib_store='PYEXT', args=flags)
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try:
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conf.test_pyext(xx)
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except conf.errors.ConfigurationError:
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# python bug 7352
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if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
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env.append_unique('LIBPATH_PYEXT', [dct['LIBDIR']])
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conf.test_pyext(xx)
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else:
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raise
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conf.define('HAVE_PYTHON_H', 1)
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return
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# No python-config, do something else on windows systems
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all_flags = dct['LDFLAGS'] + ' ' + dct['CFLAGS']
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conf.parse_flags(all_flags, 'PYEMBED')
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all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
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conf.parse_flags(all_flags, 'PYEXT')
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result = None
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if not dct["LDVERSION"]:
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dct["LDVERSION"] = env.PYTHON_VERSION
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# further simplification will be complicated
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for name in ('python' + dct['LDVERSION'], 'python' + env.PYTHON_VERSION + 'm', 'python' + env.PYTHON_VERSION.replace('.', '')):
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# LIBPATH_PYEMBED is already set; see if it works.
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if not result and env.LIBPATH_PYEMBED:
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path = env.LIBPATH_PYEMBED
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conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
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result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBPATH_PYEMBED' % name)
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if not result and dct['LIBDIR']:
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path = [dct['LIBDIR']]
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conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
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result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBDIR' % name)
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if not result and dct['LIBPL']:
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path = [dct['LIBPL']]
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conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
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result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in python_LIBPL' % name)
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if not result:
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path = [os.path.join(dct['prefix'], "libs")]
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conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY rather than pythonX.Y (win32)\n")
|
|
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in $prefix/libs' % name)
|
|
|
|
if not result:
|
|
path = [os.path.normpath(os.path.join(dct['INCLUDEPY'], '..', 'libs'))]
|
|
conf.to_log("\n\n# try again with -L$INCLUDEPY/../libs, and pythonXY rather than pythonX.Y (win32)\n")
|
|
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in $INCLUDEPY/../libs' % name)
|
|
|
|
if result:
|
|
break # do not forget to set LIBPATH_PYEMBED
|
|
|
|
if result:
|
|
env.LIBPATH_PYEMBED = path
|
|
env.append_value('LIB_PYEMBED', [name])
|
|
else:
|
|
conf.to_log("\n\n### LIB NOT FOUND\n")
|
|
|
|
# under certain conditions, python extensions must link to
|
|
# python libraries, not just python embedding programs.
|
|
if Utils.is_win32 or dct['Py_ENABLE_SHARED']:
|
|
env.LIBPATH_PYEXT = env.LIBPATH_PYEMBED
|
|
env.LIB_PYEXT = env.LIB_PYEMBED
|
|
|
|
conf.to_log("Include path for Python extensions (found via sysconfig module): %r\n" % (dct['INCLUDEPY'],))
|
|
env.INCLUDES_PYEXT = [dct['INCLUDEPY']]
|
|
env.INCLUDES_PYEMBED = [dct['INCLUDEPY']]
|
|
|
|
# Code using the Python API needs to be compiled with -fno-strict-aliasing
|
|
if env.CC_NAME == 'gcc':
|
|
env.append_unique('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
|
|
env.append_unique('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
|
|
if env.CXX_NAME == 'gcc':
|
|
env.append_unique('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
|
|
env.append_unique('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
|
|
|
|
if env.CC_NAME == "msvc":
|
|
# From https://github.com/python/cpython/blob/main/Lib/distutils/msvccompiler.py
|
|
env.append_value('CFLAGS_PYEXT', [ '/nologo', '/Ox', '/MD', '/W3', '/EHsc', '/DNDEBUG'])
|
|
env.append_value('CXXFLAGS_PYEXT', [ '/nologo', '/Ox', '/MD', '/W3', '/EHsc', '/DNDEBUG'])
|
|
env.append_value('LINKFLAGS_PYEXT', ['/DLL', '/nologo', '/INCREMENTAL:NO'])
|
|
|
|
# See if it compiles
|
|
conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H', uselib='PYEMBED', fragment=FRAG, errmsg='Broken python installation? Get python-config now!')
|
|
|
|
@conf
|
|
def check_python_version(conf, minver=None):
|
|
"""
|
|
Check if the python interpreter is found matching a given minimum version.
|
|
minver should be a tuple, eg. to check for python >= 2.4.2 pass (2,4,2) as minver.
|
|
|
|
If successful, PYTHON_VERSION is defined as 'MAJOR.MINOR' (eg. '2.4')
|
|
of the actual python version found, and PYTHONDIR and PYTHONARCHDIR
|
|
are defined, pointing to the site-packages directories appropriate for
|
|
this python version, where modules/packages/extensions should be
|
|
installed.
|
|
|
|
:param minver: minimum version
|
|
:type minver: tuple of int
|
|
"""
|
|
assert minver is None or isinstance(minver, tuple)
|
|
pybin = conf.env.PYTHON
|
|
if not pybin:
|
|
conf.fatal('could not find the python executable')
|
|
|
|
# Get python version string
|
|
cmd = pybin + ['-c', 'import sys\nfor x in sys.version_info: print(str(x))']
|
|
Logs.debug('python: Running python command %r', cmd)
|
|
lines = conf.cmd_and_log(cmd).split()
|
|
assert len(lines) == 5, "found %r lines, expected 5: %r" % (len(lines), lines)
|
|
pyver_tuple = (int(lines[0]), int(lines[1]), int(lines[2]), lines[3], int(lines[4]))
|
|
|
|
# Compare python version with the minimum required
|
|
result = (minver is None) or (pyver_tuple >= minver)
|
|
|
|
if result:
|
|
# define useful environment variables
|
|
pyver = '.'.join([str(x) for x in pyver_tuple[:2]])
|
|
conf.env.PYTHON_VERSION = pyver
|
|
|
|
if 'PYTHONDIR' in conf.env:
|
|
# Check if --pythondir was specified
|
|
pydir = conf.env.PYTHONDIR
|
|
elif 'PYTHONDIR' in conf.environ:
|
|
# Check environment for PYTHONDIR
|
|
pydir = conf.environ['PYTHONDIR']
|
|
else:
|
|
pydir = conf.get_sysconfig_path('purelib')
|
|
|
|
if 'PYTHONARCHDIR' in conf.env:
|
|
# Check if --pythonarchdir was specified
|
|
pyarchdir = conf.env.PYTHONARCHDIR
|
|
elif 'PYTHONARCHDIR' in conf.environ:
|
|
# Check environment for PYTHONDIR
|
|
pyarchdir = conf.environ['PYTHONARCHDIR']
|
|
else:
|
|
# Finally, try to guess
|
|
pyarchdir = conf.get_sysconfig_path('platlib')
|
|
|
|
if not pyarchdir:
|
|
pyarchdir = pydir
|
|
|
|
if hasattr(conf, 'define'): # conf.define is added by the C tool, so may not exist
|
|
conf.define('PYTHONDIR', pydir)
|
|
conf.define('PYTHONARCHDIR', pyarchdir)
|
|
|
|
conf.env.PYTHONDIR = pydir
|
|
conf.env.PYTHONARCHDIR = pyarchdir
|
|
|
|
# Feedback
|
|
pyver_full = '.'.join(map(str, pyver_tuple[:3]))
|
|
if minver is None:
|
|
conf.msg('Checking for python version', pyver_full)
|
|
else:
|
|
minver_str = '.'.join(map(str, minver))
|
|
conf.msg('Checking for python version >= %s' % (minver_str,), pyver_full, color=result and 'GREEN' or 'YELLOW')
|
|
|
|
if not result:
|
|
conf.fatal('The python version is too old, expecting %r' % (minver,))
|
|
|
|
PYTHON_MODULE_TEMPLATE = '''
|
|
import %s as current_module
|
|
version = getattr(current_module, '__version__', None)
|
|
if version is not None:
|
|
print(str(version))
|
|
else:
|
|
print('unknown version')
|
|
'''
|
|
|
|
@conf
|
|
def check_python_module(conf, module_name, condition=''):
|
|
"""
|
|
Check if the selected python interpreter can import the given python module::
|
|
|
|
def configure(conf):
|
|
conf.check_python_module('pygccxml')
|
|
conf.check_python_module('re', condition="ver > num(2, 0, 4) and ver <= num(3, 0, 0)")
|
|
|
|
:param module_name: module
|
|
:type module_name: string
|
|
"""
|
|
msg = "Checking for python module %r" % module_name
|
|
if condition:
|
|
msg = '%s (%s)' % (msg, condition)
|
|
conf.start_msg(msg)
|
|
try:
|
|
ret = conf.cmd_and_log(conf.env.PYTHON + ['-c', PYTHON_MODULE_TEMPLATE % module_name])
|
|
except Errors.WafError:
|
|
conf.end_msg(False)
|
|
conf.fatal('Could not find the python module %r' % module_name)
|
|
|
|
ret = ret.strip()
|
|
if condition:
|
|
conf.end_msg(ret)
|
|
if ret == 'unknown version':
|
|
conf.fatal('Could not check the %s version' % module_name)
|
|
|
|
def num(*k):
|
|
if isinstance(k[0], int):
|
|
return Utils.loose_version('.'.join([str(x) for x in k]))
|
|
else:
|
|
return Utils.loose_version(k[0])
|
|
d = {'num': num, 'ver': Utils.loose_version(ret)}
|
|
ev = eval(condition, {}, d)
|
|
if not ev:
|
|
conf.fatal('The %s version does not satisfy the requirements' % module_name)
|
|
else:
|
|
if ret == 'unknown version':
|
|
conf.end_msg(True)
|
|
else:
|
|
conf.end_msg(ret)
|
|
|
|
def configure(conf):
|
|
"""
|
|
Detect the python interpreter
|
|
"""
|
|
v = conf.env
|
|
if getattr(Options.options, 'pythondir', None):
|
|
v.PYTHONDIR = Options.options.pythondir
|
|
if getattr(Options.options, 'pythonarchdir', None):
|
|
v.PYTHONARCHDIR = Options.options.pythonarchdir
|
|
if getattr(Options.options, 'nopycache', None):
|
|
v.NOPYCACHE=Options.options.nopycache
|
|
|
|
if not v.PYTHON:
|
|
v.PYTHON = [getattr(Options.options, 'python', None) or sys.executable]
|
|
v.PYTHON = Utils.to_list(v.PYTHON)
|
|
conf.find_program('python', var='PYTHON')
|
|
|
|
v.PYFLAGS = ''
|
|
v.PYFLAGS_OPT = '-O'
|
|
|
|
v.PYC = getattr(Options.options, 'pyc', 1)
|
|
v.PYO = getattr(Options.options, 'pyo', 1)
|
|
|
|
try:
|
|
v.PYTAG = conf.cmd_and_log(conf.env.PYTHON + ['-c', "import sys\ntry:\n print(sys.implementation.cache_tag)\nexcept AttributeError:\n import imp\n print(imp.get_tag())\n"]).strip()
|
|
except Errors.WafError:
|
|
pass
|
|
|
|
def options(opt):
|
|
"""
|
|
Add python-specific options
|
|
"""
|
|
pyopt=opt.add_option_group("Python Options")
|
|
pyopt.add_option('--nopyc', dest = 'pyc', action='store_false', default=1,
|
|
help = 'Do not install bytecode compiled .pyc files (configuration) [Default:install]')
|
|
pyopt.add_option('--nopyo', dest='pyo', action='store_false', default=1,
|
|
help='Do not install optimised compiled .pyo files (configuration) [Default:install]')
|
|
pyopt.add_option('--nopycache',dest='nopycache', action='store_true',
|
|
help='Do not use __pycache__ directory to install objects [Default:auto]')
|
|
pyopt.add_option('--python', dest="python",
|
|
help='python binary to be used [Default: %s]' % sys.executable)
|
|
pyopt.add_option('--pythondir', dest='pythondir',
|
|
help='Installation path for python modules (py, platform-independent .py and .pyc files)')
|
|
pyopt.add_option('--pythonarchdir', dest='pythonarchdir',
|
|
help='Installation path for python extension (pyext, platform-dependent .so or .dylib files)')
|
|
|