Python numpy.distutils() 使用实例

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Example 1

def todict(self):
        """
        Return a dictionary compatible with the keyword arguments of distutils
        setup function.

        Examples
        --------
        >>> setup(**config.todict())                           #doctest: +SKIP
        """

        self._optimize_data_files()
        d = {}
        known_keys = self.list_keys + self.dict_keys + self.extra_keys
        for n in known_keys:
            a = getattr(self, n)
            if a:
                d[n] = a
        return d 

Example 2

def _add_library(self, name, sources, install_dir, build_info):
        """Common implementation for add_library and add_installed_library. Do
        not use directly"""
        build_info = copy.copy(build_info)
        name = name #+ '__OF__' + self.name
        build_info['sources'] = sources

        # Sometimes, depends is not set up to an empty list by default, and if
        # depends is not given to add_library, distutils barfs (#1134)
        if not 'depends' in build_info:
            build_info['depends'] = []

        self._fix_paths_dict(build_info)

        # Add to libraries list so that it is build with build_clib
        self.libraries.append((name, build_info)) 

Example 3

def todict(self):
        """
        Return a dictionary compatible with the keyword arguments of distutils
        setup function.

        Examples
        --------
        >>> setup(**config.todict())                           #doctest: +SKIP
        """

        self._optimize_data_files()
        d = {}
        known_keys = self.list_keys + self.dict_keys + self.extra_keys
        for n in known_keys:
            a = getattr(self, n)
            if a:
                d[n] = a
        return d 

Example 4

def _add_library(self, name, sources, install_dir, build_info):
        """Common implementation for add_library and add_installed_library. Do
        not use directly"""
        build_info = copy.copy(build_info)
        name = name #+ '__OF__' + self.name
        build_info['sources'] = sources

        # Sometimes, depends is not set up to an empty list by default, and if
        # depends is not given to add_library, distutils barfs (#1134)
        if not 'depends' in build_info:
            build_info['depends'] = []

        self._fix_paths_dict(build_info)

        # Add to libraries list so that it is build with build_clib
        self.libraries.append((name, build_info)) 

Example 5

def todict(self):
        """
        Return a dictionary compatible with the keyword arguments of distutils
        setup function.

        Examples
        --------
        >>> setup(**config.todict())                           #doctest: +SKIP
        """

        self._optimize_data_files()
        d = {}
        known_keys = self.list_keys + self.dict_keys + self.extra_keys
        for n in known_keys:
            a = getattr(self, n)
            if a:
                d[n] = a
        return d 

Example 6

def _add_library(self, name, sources, install_dir, build_info):
        """Common implementation for add_library and add_installed_library. Do
        not use directly"""
        build_info = copy.copy(build_info)
        name = name #+ '__OF__' + self.name
        build_info['sources'] = sources

        # Sometimes, depends is not set up to an empty list by default, and if
        # depends is not given to add_library, distutils barfs (#1134)
        if not 'depends' in build_info:
            build_info['depends'] = []

        self._fix_paths_dict(build_info)

        # Add to libraries list so that it is build with build_clib
        self.libraries.append((name, build_info)) 

Example 7

def todict(self):
        """
        Return a dictionary compatible with the keyword arguments of distutils
        setup function.

        Examples
        --------
        >>> setup(**config.todict())                           #doctest: +SKIP
        """

        self._optimize_data_files()
        d = {}
        known_keys = self.list_keys + self.dict_keys + self.extra_keys
        for n in known_keys:
            a = getattr(self, n)
            if a:
                d[n] = a
        return d 

Example 8

def _add_library(self, name, sources, install_dir, build_info):
        """Common implementation for add_library and add_installed_library. Do
        not use directly"""
        build_info = copy.copy(build_info)
        name = name #+ '__OF__' + self.name
        build_info['sources'] = sources

        # Sometimes, depends is not set up to an empty list by default, and if
        # depends is not given to add_library, distutils barfs (#1134)
        if not 'depends' in build_info:
            build_info['depends'] = []

        self._fix_paths_dict(build_info)

        # Add to libraries list so that it is build with build_clib
        self.libraries.append((name, build_info)) 

Example 9

def todict(self):
        """
        Return a dictionary compatible with the keyword arguments of distutils
        setup function.

        Examples
        --------
        >>> setup(**config.todict())                           #doctest: +SKIP
        """

        self._optimize_data_files()
        d = {}
        known_keys = self.list_keys + self.dict_keys + self.extra_keys
        for n in known_keys:
            a = getattr(self, n)
            if a:
                d[n] = a
        return d 

Example 10

def _add_library(self, name, sources, install_dir, build_info):
        """Common implementation for add_library and add_installed_library. Do
        not use directly"""
        build_info = copy.copy(build_info)
        name = name #+ '__OF__' + self.name
        build_info['sources'] = sources

        # Sometimes, depends is not set up to an empty list by default, and if
        # depends is not given to add_library, distutils barfs (#1134)
        if not 'depends' in build_info:
            build_info['depends'] = []

        self._fix_paths_dict(build_info)

        # Add to libraries list so that it is build with build_clib
        self.libraries.append((name, build_info)) 

Example 11

def todict(self):
        """
        Return a dictionary compatible with the keyword arguments of distutils
        setup function.

        Examples
        --------
        >>> setup(**config.todict())                           #doctest: +SKIP
        """

        self._optimize_data_files()
        d = {}
        known_keys = self.list_keys + self.dict_keys + self.extra_keys
        for n in known_keys:
            a = getattr(self, n)
            if a:
                d[n] = a
        return d 

Example 12

def _add_library(self, name, sources, install_dir, build_info):
        """Common implementation for add_library and add_installed_library. Do
        not use directly"""
        build_info = copy.copy(build_info)
        name = name #+ '__OF__' + self.name
        build_info['sources'] = sources

        # Sometimes, depends is not set up to an empty list by default, and if
        # depends is not given to add_library, distutils barfs (#1134)
        if not 'depends' in build_info:
            build_info['depends'] = []

        self._fix_paths_dict(build_info)

        # Add to libraries list so that it is build with build_clib
        self.libraries.append((name, build_info)) 

Example 13

def todict(self):
        """
        Return a dictionary compatible with the keyword arguments of distutils
        setup function.

        Examples
        --------
        >>> setup(**config.todict())                           #doctest: +SKIP
        """

        self._optimize_data_files()
        d = {}
        known_keys = self.list_keys + self.dict_keys + self.extra_keys
        for n in known_keys:
            a = getattr(self, n)
            if a:
                d[n] = a
        return d 

Example 14

def _add_library(self, name, sources, install_dir, build_info):
        """Common implementation for add_library and add_installed_library. Do
        not use directly"""
        build_info = copy.copy(build_info)
        name = name #+ '__OF__' + self.name
        build_info['sources'] = sources

        # Sometimes, depends is not set up to an empty list by default, and if
        # depends is not given to add_library, distutils barfs (#1134)
        if not 'depends' in build_info:
            build_info['depends'] = []

        self._fix_paths_dict(build_info)

        # Add to libraries list so that it is build with build_clib
        self.libraries.append((name, build_info)) 

Example 15

def get_num_build_jobs():
    """
    Get number of parallel build jobs set by the --parallel command line
    argument of setup.py
    If the command did not receive a setting the environment variable
    NPY_NUM_BUILD_JOBS checked and if that is unset it returns 1.

    Returns
    -------
    out : int
        number of parallel jobs that can be run

    """
    from numpy.distutils.core import get_distribution
    envjobs = int(os.environ.get("NPY_NUM_BUILD_JOBS", 1))
    dist = get_distribution()
    # may be None during configuration
    if dist is None:
        return envjobs

    # any of these three may have the job set, take the largest
    cmdattr = (getattr(dist.get_command_obj('build'), 'parallel', None),
               getattr(dist.get_command_obj('build_ext'), 'parallel', None),
               getattr(dist.get_command_obj('build_clib'), 'parallel', None))
    if all(x is None for x in cmdattr):
        return envjobs
    else:
        return max(x for x in cmdattr if x is not None) 

Example 16

def get_distribution(self):
        """Return the distutils distribution object for self."""
        from numpy.distutils.core import get_distribution
        return get_distribution() 

Example 17

def get_config_cmd(self):
        """
        Returns the numpy.distutils config command instance.
        """
        cmd = get_cmd('config')
        cmd.ensure_finalized()
        cmd.dump_source = 0
        cmd.noisy = 0
        old_path = os.environ.get('PATH')
        if old_path:
            path = os.pathsep.join(['.', old_path])
            os.environ['PATH'] = path
        return cmd 

Example 18

def append_to(self, extlib):
        """Append libraries, include_dirs to extension or library item.
        """
        if is_sequence(extlib):
            lib_name, build_info = extlib
            dict_append(build_info,
                        libraries=self.libraries,
                        include_dirs=self.include_dirs)
        else:
            from numpy.distutils.core import Extension
            assert isinstance(extlib, Extension), repr(extlib)
            extlib.libraries.extend(self.libraries)
            extlib.include_dirs.extend(self.include_dirs) 

Example 19

def get_cmd(cmdname, _cache={}):
    if cmdname not in _cache:
        import distutils.core
        dist = distutils.core._setup_distribution
        if dist is None:
            from distutils.errors import DistutilsInternalError
            raise DistutilsInternalError(
                  'setup distribution instance not initialized')
        cmd = dist.get_command_obj(cmdname)
        _cache[cmdname] = cmd
    return _cache[cmdname] 

Example 20

def generate_config_py(target):
    """Generate config.py file containing system_info information
    used during building the package.

    Usage:
        config['py_modules'].append((packagename, '__config__',generate_config_py))
    """
    from numpy.distutils.system_info import system_info
    from distutils.dir_util import mkpath
    mkpath(os.path.dirname(target))
    f = open(target, 'w')
    f.write('# This file is generated by %s\n' % (os.path.abspath(sys.argv[0])))
    f.write('# It contains system_info results at the time of building this package.\n')
    f.write('__all__ = ["get_info","show"]\n\n')
    for k, i in system_info.saved_results.items():
        f.write('%s=%r\n' % (k, i))
    f.write(r'''
def get_info(name):
    g = globals()
    return g.get(name, g.get(name + "_info", {}))

def show():
    for name,info_dict in globals().items():
        if name[0] == "_" or type(info_dict) is not type({}): continue
        print(name + ":")
        if not info_dict:
            print("  NOT AVAILABLE")
        for k,v in info_dict.items():
            v = str(v)
            if k == "sources" and len(v) > 200:
                v = v[:60] + " ...\n... " + v[-60:]
            print("    %s = %s" % (k,v))
    ''')

    f.close()
    return target 

Example 21

def get_build_architecture():
        from distutils.msvccompiler import get_build_architecture
        return get_build_architecture() 

Example 22

def get_num_build_jobs():
    """
    Get number of parallel build jobs set by the --parallel command line
    argument of setup.py
    If the command did not receive a setting the environment variable
    NPY_NUM_BUILD_JOBS checked and if that is unset it returns 1.

    Returns
    -------
    out : int
        number of parallel jobs that can be run

    """
    from numpy.distutils.core import get_distribution
    envjobs = int(os.environ.get("NPY_NUM_BUILD_JOBS", 1))
    dist = get_distribution()
    # may be None during configuration
    if dist is None:
        return envjobs

    # any of these three may have the job set, take the largest
    cmdattr = (getattr(dist.get_command_obj('build'), 'parallel', None),
               getattr(dist.get_command_obj('build_ext'), 'parallel', None),
               getattr(dist.get_command_obj('build_clib'), 'parallel', None))
    if all(x is None for x in cmdattr):
        return envjobs
    else:
        return max(x for x in cmdattr if x is not None) 

Example 23

def get_distribution(self):
        """Return the distutils distribution object for self."""
        from numpy.distutils.core import get_distribution
        return get_distribution() 

Example 24

def get_config_cmd(self):
        """
        Returns the numpy.distutils config command instance.
        """
        cmd = get_cmd('config')
        cmd.ensure_finalized()
        cmd.dump_source = 0
        cmd.noisy = 0
        old_path = os.environ.get('PATH')
        if old_path:
            path = os.pathsep.join(['.', old_path])
            os.environ['PATH'] = path
        return cmd 

Example 25

def append_to(self, extlib):
        """Append libraries, include_dirs to extension or library item.
        """
        if is_sequence(extlib):
            lib_name, build_info = extlib
            dict_append(build_info,
                        libraries=self.libraries,
                        include_dirs=self.include_dirs)
        else:
            from numpy.distutils.core import Extension
            assert isinstance(extlib, Extension), repr(extlib)
            extlib.libraries.extend(self.libraries)
            extlib.include_dirs.extend(self.include_dirs) 

Example 26

def get_cmd(cmdname, _cache={}):
    if cmdname not in _cache:
        import distutils.core
        dist = distutils.core._setup_distribution
        if dist is None:
            from distutils.errors import DistutilsInternalError
            raise DistutilsInternalError(
                  'setup distribution instance not initialized')
        cmd = dist.get_command_obj(cmdname)
        _cache[cmdname] = cmd
    return _cache[cmdname] 

Example 27

def generate_config_py(target):
    """Generate config.py file containing system_info information
    used during building the package.

    Usage:
        config['py_modules'].append((packagename, '__config__',generate_config_py))
    """
    from numpy.distutils.system_info import system_info
    from distutils.dir_util import mkpath
    mkpath(os.path.dirname(target))
    f = open(target, 'w')
    f.write('# This file is generated by %s\n' % (os.path.abspath(sys.argv[0])))
    f.write('# It contains system_info results at the time of building this package.\n')
    f.write('__all__ = ["get_info","show"]\n\n')
    for k, i in system_info.saved_results.items():
        f.write('%s=%r\n' % (k, i))
    f.write(r'''
def get_info(name):
    g = globals()
    return g.get(name, g.get(name + "_info", {}))

def show():
    for name,info_dict in globals().items():
        if name[0] == "_" or type(info_dict) is not type({}): continue
        print(name + ":")
        if not info_dict:
            print("  NOT AVAILABLE")
        for k,v in info_dict.items():
            v = str(v)
            if k == "sources" and len(v) > 200:
                v = v[:60] + " ...\n... " + v[-60:]
            print("    %s = %s" % (k,v))
    ''')

    f.close()
    return target 

Example 28

def get_build_architecture():
        from distutils.msvccompiler import get_build_architecture
        return get_build_architecture() 

Example 29

def get_num_build_jobs():
    """
    Get number of parallel build jobs set by the --parallel command line
    argument of setup.py
    If the command did not receive a setting the environment variable
    NPY_NUM_BUILD_JOBS checked and if that is unset it returns 1.

    Returns
    -------
    out : int
        number of parallel jobs that can be run

    """
    from numpy.distutils.core import get_distribution
    envjobs = int(os.environ.get("NPY_NUM_BUILD_JOBS", 1))
    dist = get_distribution()
    # may be None during configuration
    if dist is None:
        return envjobs

    # any of these three may have the job set, take the largest
    cmdattr = (getattr(dist.get_command_obj('build'), 'parallel', None),
               getattr(dist.get_command_obj('build_ext'), 'parallel', None),
               getattr(dist.get_command_obj('build_clib'), 'parallel', None))
    if all(x is None for x in cmdattr):
        return envjobs
    else:
        return max(x for x in cmdattr if x is not None) 

Example 30

def get_distribution(self):
        """Return the distutils distribution object for self."""
        from numpy.distutils.core import get_distribution
        return get_distribution() 

Example 31

def get_config_cmd(self):
        """
        Returns the numpy.distutils config command instance.
        """
        cmd = get_cmd('config')
        cmd.ensure_finalized()
        cmd.dump_source = 0
        cmd.noisy = 0
        old_path = os.environ.get('PATH')
        if old_path:
            path = os.pathsep.join(['.', old_path])
            os.environ['PATH'] = path
        return cmd 

Example 32

def append_to(self, extlib):
        """Append libraries, include_dirs to extension or library item.
        """
        if is_sequence(extlib):
            lib_name, build_info = extlib
            dict_append(build_info,
                        libraries=self.libraries,
                        include_dirs=self.include_dirs)
        else:
            from numpy.distutils.core import Extension
            assert isinstance(extlib, Extension), repr(extlib)
            extlib.libraries.extend(self.libraries)
            extlib.include_dirs.extend(self.include_dirs) 

Example 33

def generate_config_py(target):
    """Generate config.py file containing system_info information
    used during building the package.

    Usage:
        config['py_modules'].append((packagename, '__config__',generate_config_py))
    """
    from numpy.distutils.system_info import system_info
    from distutils.dir_util import mkpath
    mkpath(os.path.dirname(target))
    f = open(target, 'w')
    f.write('# This file is generated by %s\n' % (os.path.abspath(sys.argv[0])))
    f.write('# It contains system_info results at the time of building this package.\n')
    f.write('__all__ = ["get_info","show"]\n\n')
    for k, i in system_info.saved_results.items():
        f.write('%s=%r\n' % (k, i))
    f.write(r'''
def get_info(name):
    g = globals()
    return g.get(name, g.get(name + "_info", {}))

def show():
    for name,info_dict in globals().items():
        if name[0] == "_" or type(info_dict) is not type({}): continue
        print(name + ":")
        if not info_dict:
            print("  NOT AVAILABLE")
        for k,v in info_dict.items():
            v = str(v)
            if k == "sources" and len(v) > 200:
                v = v[:60] + " ...\n... " + v[-60:]
            print("    %s = %s" % (k,v))
    ''')

    f.close()
    return target 

Example 34

def get_build_architecture():
        from distutils.msvccompiler import get_build_architecture
        return get_build_architecture() 

Example 35

def get_num_build_jobs():
    """
    Get number of parallel build jobs set by the --parallel command line
    argument of setup.py
    If the command did not receive a setting the environment variable
    NPY_NUM_BUILD_JOBS checked and if that is unset it returns 1.

    Returns
    -------
    out : int
        number of parallel jobs that can be run

    """
    from numpy.distutils.core import get_distribution
    envjobs = int(os.environ.get("NPY_NUM_BUILD_JOBS", 1))
    dist = get_distribution()
    # may be None during configuration
    if dist is None:
        return envjobs

    # any of these three may have the job set, take the largest
    cmdattr = (getattr(dist.get_command_obj('build'), 'parallel', None),
               getattr(dist.get_command_obj('build_ext'), 'parallel', None),
               getattr(dist.get_command_obj('build_clib'), 'parallel', None))
    if all(x is None for x in cmdattr):
        return envjobs
    else:
        return max(x for x in cmdattr if x is not None) 

Example 36

def get_distribution(self):
        """Return the distutils distribution object for self."""
        from numpy.distutils.core import get_distribution
        return get_distribution() 

Example 37

def get_config_cmd(self):
        """
        Returns the numpy.distutils config command instance.
        """
        cmd = get_cmd('config')
        cmd.ensure_finalized()
        cmd.dump_source = 0
        cmd.noisy = 0
        old_path = os.environ.get('PATH')
        if old_path:
            path = os.pathsep.join(['.', old_path])
            os.environ['PATH'] = path
        return cmd 

Example 38

def append_to(self, extlib):
        """Append libraries, include_dirs to extension or library item.
        """
        if is_sequence(extlib):
            lib_name, build_info = extlib
            dict_append(build_info,
                        libraries=self.libraries,
                        include_dirs=self.include_dirs)
        else:
            from numpy.distutils.core import Extension
            assert isinstance(extlib, Extension), repr(extlib)
            extlib.libraries.extend(self.libraries)
            extlib.include_dirs.extend(self.include_dirs) 

Example 39

def get_cmd(cmdname, _cache={}):
    if cmdname not in _cache:
        import distutils.core
        dist = distutils.core._setup_distribution
        if dist is None:
            from distutils.errors import DistutilsInternalError
            raise DistutilsInternalError(
                  'setup distribution instance not initialized')
        cmd = dist.get_command_obj(cmdname)
        _cache[cmdname] = cmd
    return _cache[cmdname] 

Example 40

def generate_config_py(target):
    """Generate config.py file containing system_info information
    used during building the package.

    Usage:
        config['py_modules'].append((packagename, '__config__',generate_config_py))
    """
    from numpy.distutils.system_info import system_info
    from distutils.dir_util import mkpath
    mkpath(os.path.dirname(target))
    f = open(target, 'w')
    f.write('# This file is generated by %s\n' % (os.path.abspath(sys.argv[0])))
    f.write('# It contains system_info results at the time of building this package.\n')
    f.write('__all__ = ["get_info","show"]\n\n')
    for k, i in system_info.saved_results.items():
        f.write('%s=%r\n' % (k, i))
    f.write(r'''
def get_info(name):
    g = globals()
    return g.get(name, g.get(name + "_info", {}))

def show():
    for name,info_dict in globals().items():
        if name[0] == "_" or type(info_dict) is not type({}): continue
        print(name + ":")
        if not info_dict:
            print("  NOT AVAILABLE")
        for k,v in info_dict.items():
            v = str(v)
            if k == "sources" and len(v) > 200:
                v = v[:60] + " ...\n... " + v[-60:]
            print("    %s = %s" % (k,v))
    ''')

    f.close()
    return target 

Example 41

def get_build_architecture():
        from distutils.msvccompiler import get_build_architecture
        return get_build_architecture() 

Example 42

def get_num_build_jobs():
    """
    Get number of parallel build jobs set by the --parallel command line
    argument of setup.py
    If the command did not receive a setting the environment variable
    NPY_NUM_BUILD_JOBS checked and if that is unset it returns 1.

    Returns
    -------
    out : int
        number of parallel jobs that can be run

    """
    from numpy.distutils.core import get_distribution
    envjobs = int(os.environ.get("NPY_NUM_BUILD_JOBS", 1))
    dist = get_distribution()
    # may be None during configuration
    if dist is None:
        return envjobs

    # any of these three may have the job set, take the largest
    cmdattr = (getattr(dist.get_command_obj('build'), 'parallel', None),
               getattr(dist.get_command_obj('build_ext'), 'parallel', None),
               getattr(dist.get_command_obj('build_clib'), 'parallel', None))
    if all(x is None for x in cmdattr):
        return envjobs
    else:
        return max(x for x in cmdattr if x is not None) 

Example 43

def get_distribution(self):
        """Return the distutils distribution object for self."""
        from numpy.distutils.core import get_distribution
        return get_distribution() 

Example 44

def get_config_cmd(self):
        """
        Returns the numpy.distutils config command instance.
        """
        cmd = get_cmd('config')
        cmd.ensure_finalized()
        cmd.dump_source = 0
        cmd.noisy = 0
        old_path = os.environ.get('PATH')
        if old_path:
            path = os.pathsep.join(['.', old_path])
            os.environ['PATH'] = path
        return cmd 

Example 45

def append_to(self, extlib):
        """Append libraries, include_dirs to extension or library item.
        """
        if is_sequence(extlib):
            lib_name, build_info = extlib
            dict_append(build_info,
                        libraries=self.libraries,
                        include_dirs=self.include_dirs)
        else:
            from numpy.distutils.core import Extension
            assert isinstance(extlib, Extension), repr(extlib)
            extlib.libraries.extend(self.libraries)
            extlib.include_dirs.extend(self.include_dirs) 

Example 46

def get_cmd(cmdname, _cache={}):
    if cmdname not in _cache:
        import distutils.core
        dist = distutils.core._setup_distribution
        if dist is None:
            from distutils.errors import DistutilsInternalError
            raise DistutilsInternalError(
                  'setup distribution instance not initialized')
        cmd = dist.get_command_obj(cmdname)
        _cache[cmdname] = cmd
    return _cache[cmdname] 

Example 47

def generate_config_py(target):
    """Generate config.py file containing system_info information
    used during building the package.

    Usage:
        config['py_modules'].append((packagename, '__config__',generate_config_py))
    """
    from numpy.distutils.system_info import system_info
    from distutils.dir_util import mkpath
    mkpath(os.path.dirname(target))
    f = open(target, 'w')
    f.write('# This file is generated by %s\n' % (os.path.abspath(sys.argv[0])))
    f.write('# It contains system_info results at the time of building this package.\n')
    f.write('__all__ = ["get_info","show"]\n\n')
    for k, i in system_info.saved_results.items():
        f.write('%s=%r\n' % (k, i))
    f.write(r'''
def get_info(name):
    g = globals()
    return g.get(name, g.get(name + "_info", {}))

def show():
    for name,info_dict in globals().items():
        if name[0] == "_" or type(info_dict) is not type({}): continue
        print(name + ":")
        if not info_dict:
            print("  NOT AVAILABLE")
        for k,v in info_dict.items():
            v = str(v)
            if k == "sources" and len(v) > 200:
                v = v[:60] + " ...\n... " + v[-60:]
            print("    %s = %s" % (k,v))
    ''')

    f.close()
    return target 

Example 48

def get_build_architecture():
        from distutils.msvccompiler import get_build_architecture
        return get_build_architecture() 

Example 49

def get_num_build_jobs():
    """
    Get number of parallel build jobs set by the --parallel command line
    argument of setup.py
    If the command did not receive a setting the environment variable
    NPY_NUM_BUILD_JOBS checked and if that is unset it returns 1.

    Returns
    -------
    out : int
        number of parallel jobs that can be run

    """
    from numpy.distutils.core import get_distribution
    envjobs = int(os.environ.get("NPY_NUM_BUILD_JOBS", 1))
    dist = get_distribution()
    # may be None during configuration
    if dist is None:
        return envjobs

    # any of these three may have the job set, take the largest
    cmdattr = (getattr(dist.get_command_obj('build'), 'parallel', None),
               getattr(dist.get_command_obj('build_ext'), 'parallel', None),
               getattr(dist.get_command_obj('build_clib'), 'parallel', None))
    if all(x is None for x in cmdattr):
        return envjobs
    else:
        return max(x for x in cmdattr if x is not None) 

Example 50

def get_distribution(self):
        """Return the distutils distribution object for self."""
        from numpy.distutils.core import get_distribution
        return get_distribution() 
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