1#!/usr/bin/env python3 2"""Run Cython with custom options.""" 3import os 4import sys 5 6appdir = os.path.dirname(os.path.abspath(__file__)) 7sys.path.insert(0, appdir) 8 9import cyautodoc # noqa: F401,E402 10from Cython.Compiler.Main import main as cython_main # noqa: E402 11 12 13def cythonize(args=None): 14 """Run `cython --3str --cleanup 3 <args>...`.""" 15 if args is None: 16 argv = sys.argv[:] 17 else: 18 argv = [os.path.abspath(__file__)] + list(args) 19 20 if '--cleanup' not in argv: 21 argv[1:1] = ['--cleanup', '3'] 22 if '--3str' not in argv: 23 argv[1:1] = ['--3str'] 24 25 cwd = os.getcwd() 26 sys_argv = sys.argv[:] 27 try: 28 sys.argv[:] = argv 29 cython_main(command_line=1) 30 return 0 31 except SystemExit as exc: 32 return exc.code 33 finally: 34 os.chdir(cwd) 35 sys.argv[:] = sys_argv 36 37 38def main(): 39 """Entry-point to run Cython with custom options.""" 40 args = sys.argv[1:] 41 if not args: 42 topdir = os.path.dirname(appdir) 43 srcdir = os.path.join(topdir, 'src') 44 source = os.path.join('petsc4py', 'PETSc.pyx') 45 target = os.path.join('petsc4py', 'PETSc.c') 46 args += ['--working', srcdir] 47 args += [source, '--output-file', target] 48 sys.exit(cythonize(args)) 49 50 51if __name__ == "__main__": 52 main() 53