我们从Python开源项目中，提取了以下30个代码示例，用于说明如何使用numpy.f2py()。
def build_code(source_code, options=[], skip=[], only=[], suffix=None, module_name=None): """ Compile and import Fortran code using f2py. """ if suffix is None: suffix = '.f' with temppath(suffix=suffix) as path: with open(path, 'w') as f: f.write(source_code) return build_module([path], options=options, skip=skip, only=only, module_name=module_name) # # Check if compilers are available at all... #
def build_code(source_code, options=[], skip=[], only=[], suffix=None, module_name=None): """ Compile and import Fortran code using f2py. """ if suffix is None: suffix = '.f' fd, tmp_fn = tempfile.mkstemp(suffix=suffix) os.write(fd, asbytes(source_code)) os.close(fd) try: return build_module([tmp_fn], options=options, skip=skip, only=only, module_name=module_name) finally: os.unlink(tmp_fn) # # Check if compilers are available at all... #
def _generate_code(self, routine, helpers): with open('%s.py' % self.module_name, 'w') as f: printed = ", ".join( [str(res.expr) for res in routine.result_variables]) # convert OutputArguments to return value like f2py args = filter(lambda x: not isinstance( x, OutputArgument), routine.arguments) retvals = [] for val in routine.result_variables: if isinstance(val, Result): retvals.append('nameless') else: retvals.append(val.result_var) print(DummyWrapper.template % { 'name': routine.name, 'expr': printed, 'args': ", ".join([str(a.name) for a in args]), 'retvals': ", ".join([str(val) for val in retvals]) }, end="", file=f)
def calc_info(self): try: import numpy.f2py as f2py except ImportError: return f2py_dir = os.path.join(os.path.dirname(f2py.__file__), 'src') self.set_info(sources=[os.path.join(f2py_dir, 'fortranobject.c')], include_dirs=[f2py_dir]) return
def command(self): filename = self.filename + '.' + self.generator.code_extension args = ['-c', '-m', self.module_name, filename] command = [sys.executable, "-c", "import numpy.f2py as f2py2e;f2py2e.main()"]+args return command
def build_module(source_files, options=[], skip=[], only=[], module_name=None): """ Compile and import a f2py module, built from the given files. """ code = ("import sys; sys.path = %s; import numpy.f2py as f2py2e; " "f2py2e.main()" % repr(sys.path)) d = get_module_dir() # Copy files dst_sources = [] for fn in source_files: if not os.path.isfile(fn): raise RuntimeError("%s is not a file" % fn) dst = os.path.join(d, os.path.basename(fn)) shutil.copyfile(fn, dst) dst_sources.append(dst) fn = os.path.join(os.path.dirname(fn), '.f2py_f2cmap') if os.path.isfile(fn): dst = os.path.join(d, os.path.basename(fn)) if not os.path.isfile(dst): shutil.copyfile(fn, dst) # Prepare options if module_name is None: module_name = get_temp_module_name() f2py_opts = ['-c', '-m', module_name] + options + dst_sources if skip: f2py_opts += ['skip:'] + skip if only: f2py_opts += ['only:'] + only # Build cwd = os.getcwd() try: os.chdir(d) cmd = [sys.executable, '-c', code] + f2py_opts p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) out, err = p.communicate() if p.returncode != 0: raise RuntimeError("Running f2py failed: %s\n%s" % (cmd[4:], asstr(out))) finally: os.chdir(cwd) # Partial cleanup for fn in dst_sources: os.unlink(fn) # Import __import__(module_name) return sys.modules[module_name]
def finalize_options(self): self.set_undefined_options('build', ('build_base', 'build_base'), ('build_lib', 'build_lib'), ('force', 'force')) if self.package is None: self.package = self.distribution.ext_package self.extensions = self.distribution.ext_modules self.libraries = self.distribution.libraries or [] self.py_modules = self.distribution.py_modules or [] self.data_files = self.distribution.data_files or [] if self.build_src is None: plat_specifier = ".%s-%s" % (get_platform(), sys.version[0:3]) self.build_src = os.path.join(self.build_base, 'src'+plat_specifier) # py_modules_dict is used in build_py.find_package_modules self.py_modules_dict = {} if self.f2pyflags: if self.f2py_opts: log.warn('ignoring --f2pyflags as --f2py-opts already used') else: self.f2py_opts = self.f2pyflags self.f2pyflags = None if self.f2py_opts is None: self.f2py_opts = [] else: self.f2py_opts = shlex.split(self.f2py_opts) if self.swigflags: if self.swig_opts: log.warn('ignoring --swigflags as --swig-opts already used') else: self.swig_opts = self.swigflags self.swigflags = None if self.swig_opts is None: self.swig_opts = [] else: self.swig_opts = shlex.split(self.swig_opts) # use options from build_ext command build_ext = self.get_finalized_command('build_ext') if self.inplace is None: self.inplace = build_ext.inplace if self.swig_cpp is None: self.swig_cpp = build_ext.swig_cpp for c in ['swig', 'swig_opt']: o = '--'+c.replace('_', '-') v = getattr(build_ext, c, None) if v: if getattr(self, c): log.warn('both build_src and build_ext define %s option' % (o)) else: log.info('using "%s=%s" option from build_ext command' % (o, v)) setattr(self, c, v)
