我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用sys.flags()。
def check_enableusersite(): """Check if user site directory is safe for inclusion The function tests for the command line flag (including environment var), process uid/gid equal to effective uid/gid. None: Disabled for security reasons False: Disabled by user (command line option) True: Safe and enabled """ if hasattr(sys, 'flags') and getattr(sys.flags, 'no_user_site', False): return False if hasattr(os, "getuid") and hasattr(os, "geteuid"): # check process uid == effective uid if os.geteuid() != os.getuid(): return None if hasattr(os, "getgid") and hasattr(os, "getegid"): # check process gid == effective gid if os.getegid() != os.getgid(): return None return True
def _args_from_interpreter_flags(): """Return a list of command-line arguments reproducing the current settings in sys.flags and sys.warnoptions.""" flag_opt_map = { 'debug': 'd', # 'inspect': 'i', # 'interactive': 'i', 'optimize': 'O', 'dont_write_bytecode': 'B', 'no_user_site': 's', 'no_site': 'S', 'ignore_environment': 'E', 'verbose': 'v', 'bytes_warning': 'b', 'hash_randomization': 'R', 'py3k_warning': '3', } args = [] for flag, opt in flag_opt_map.items(): v = getattr(sys.flags, flag) if v > 0: args.append('-' + opt * v) for opt in sys.warnoptions: args.append('-W' + opt) return args
def args_from_interpreter_flags(): """Return a list of command-line arguments reproducing the current settings in sys.flags.""" flag_opt_map = { 'bytes_warning': 'b', 'dont_write_bytecode': 'B', 'ignore_environment': 'E', 'no_user_site': 's', 'no_site': 'S', 'optimize': 'O', 'py3k_warning': '3', 'verbose': 'v', } args = [] for flag, opt in flag_opt_map.items(): v = getattr(sys.flags, flag) if v > 0: args.append('-' + opt * v) return args
def args_from_interpreter_flags(): """Return a list of command-line arguments reproducing the current settings in sys.flags.""" flag_opt_map = { 'bytes_warning': 'b', 'dont_write_bytecode': 'B', 'hash_randomization': 'R', 'ignore_environment': 'E', 'no_user_site': 's', 'no_site': 'S', 'optimize': 'O', 'verbose': 'v', } args = [] for flag, opt in flag_opt_map.items(): v = getattr(sys.flags, flag) if v > 0: args.append('-' + opt * v) return args #============================================================ # Support for assertions about logging. #============================================================
def test_hash_randomization(self): # Verify that -R enables hash randomization: self.verify_valid_flag('-R') hashes = [] for i in range(2): code = 'print(hash("spam"))' rc, out, err = assert_python_ok('-R', '-c', code) self.assertEqual(rc, 0) hashes.append(out) if check_impl_detail(pypy=False): # PyPy does not really implement it! self.assertNotEqual(hashes[0], hashes[1]) # Verify that sys.flags contains hash_randomization code = 'import sys; print("random is", sys.flags.hash_randomization)' rc, out, err = assert_python_ok('-R', '-c', code) self.assertEqual(rc, 0) self.assertIn(b'random is 1', out)
def test_pythontypes(self): # check all types defined in Python/ h = self.header vh = self.vheader size = self.calcsize check = self.check_sizeof # _ast.AST import _ast check(_ast.AST(), size(h + '')) # imp.NullImporter import imp check(imp.NullImporter(self.file.name), size(h + '')) try: raise TypeError except TypeError: tb = sys.exc_info()[2] # traceback if tb != None: check(tb, size(h + '2P2i')) # symtable entry # XXX # sys.flags check(sys.flags, size(vh) + self.P * len(sys.flags))
