本文整理汇总了Python中os._execvpe方法的典型用法代码示例。如果您正苦于以下问题：Python os._execvpe方法的具体用法？Python os._execvpe怎么用？Python os._execvpe使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类os的用法示例。
在下文中一共展示了os._execvpe方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _test_internal_execvpe
# 需要导入模块: import os [as 别名]
# 或者: from os import _execvpe [as 别名]
def _test_internal_execvpe(self, test_type):
program_path = os.sep + 'absolutepath'
if test_type is bytes:
program = b'executable'
fullpath = os.path.join(os.fsencode(program_path), program)
native_fullpath = fullpath
arguments = [b'progname', 'arg1', 'arg2']
else:
program = 'executable'
arguments = ['progname', 'arg1', 'arg2']
fullpath = os.path.join(program_path, program)
if os.name != "nt":
native_fullpath = os.fsencode(fullpath)
else:
native_fullpath = fullpath
env = {'spam': 'beans'}
# test os._execvpe() with an absolute path
with _execvpe_mockup() as calls:
self.assertRaises(RuntimeError,
os._execvpe, fullpath, arguments)
self.assertEqual(len(calls), 1)
self.assertEqual(calls[0], ('execv', fullpath, (arguments,)))
# test os._execvpe() with a relative path:
# os.get_exec_path() returns defpath
with _execvpe_mockup(defpath=program_path) as calls:
self.assertRaises(OSError,
os._execvpe, program, arguments, env=env)
self.assertEqual(len(calls), 1)
self.assertSequenceEqual(calls[0],
('execve', native_fullpath, (arguments, env)))
# test os._execvpe() with a relative path:
# os.get_exec_path() reads the 'PATH' variable
with _execvpe_mockup() as calls:
env_path = env.copy()
if test_type is bytes:
env_path[b'PATH'] = program_path
else:
env_path['PATH'] = program_path
self.assertRaises(OSError,
os._execvpe, program, arguments, env=env_path)
self.assertEqual(len(calls), 1)
self.assertSequenceEqual(calls[0],
('execve', native_fullpath, (arguments, env_path)))