self.out_old = sys.stdout sys.stdout = self.out_new def __exit__(self, *args): sys.stdout = self.out_old print('A') ① # with open('out.log', mode='w', encoding='utf-8') as afile, #RedirectStdoutTo(afile): ② with open('out.log', mode='w', encoding='utf-8') as...
#stdout.pyimportsysclassRedirectStdoutTo:def__init__(self, out_new):self.out_new = out_newdef__enter__(self):# 进入上下文管理器执行self.out_old = sys.stdout# backup sys.stdoutsys.stdout = self.out_new# 重定向def__exit__(self, *args):# 退出上下文管理器执行sys.stdout = self.out_...
self.__console__=sys.stdout def write(self, output_stream): #定义写方法 output_stream为运行程序print打印内容 self.buff+=output_stream def to_console(self): #输出到控制台 sys.stdout=self.__console__ print(self.buff) def to_file(self, file_path): #log输出到指定文件保存 f=open(file_pa...
savedStdout, sys.stdout = sys.stdout, newStdout try: return func(*args, **kwargs) finally: sys.stdout = savedStdout return wrapper return decorator 使用示例如下: file = open('out.txt', "w+") @RedirectStdout(file) def FunNoArg(): print 'No argument.' @RedirectStdout(file) def FunOn...
os.mkdir(os.path.join(os.getcwd(),file_path)) log_file = open(os.path.join(file_path,'log.txt'), "w") # redirect print output to log file sys.stdout = log_file # 将系统输出切换至log_file print ("Now all print info will be written to message.log") ...
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0) # redirect stdout and stderr to the log file opened above os.dup2(so.fileno(), sys.stdout.fileno()) os.dup2(se.fileno(), sys.stderr.fileno()) 这样做的好处是它不需要来自其余代码的特殊打印调用。该代码还运行一些 shell 命令,因此...
redirect_stderr : 将 stderr 重定向到 stdout。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 [program:test] command=python -u /root/test/test.py stdout_logfile=/root/test/test.log stdout_logfile_maxbytes=1KB stdout_logfile_backups=5 redirect_stderr=true 代码语言:javascript 代码运行次数...
sys.stdout=r_obj#get output streamprint'hello'print'there'#redirect to consoler_obj.to_console()#redirect to file r_obj.to_file('out.log')#flush bufferr_obj.flush()#reset r_obj.reset() 同样的,sys.stderr, sys.stdin 也都可以被重定向到多个地址...
sys.stdout.write=self.original_write # ⑦ifexc_type is ZeroDivisionError:# ⑧print('Please DO NOT divide by zero!')returnTrue # ⑨ #⑩ ① Python 会以除self之外没有其他参数调用__enter__。 ② 保留原始的sys.stdout.write方法,以便稍后恢复。
For example, say you need to temporarily redirect the standard output, sys.stdout, to a given file on your disk. To do this, you can create a context manager like this:Python # redirect.py import sys class RedirectedStdout: def __init__(self, new_output): self.new_output = new_...