You can use the object to restoresys.stdoutto its original value. I wrotea bookin which I share everything I know about how to become a better, more efficient programmer. You can use the search field on myHome Pageto filter through all of my articles. ...
classRedirectStdout:#import os, sys, cStringIOdef__init__(self): self.content =''self.savedStdout = sys.stdout self.memObj, self.fileObj, self.nulObj =None,None,None#外部的print语句将执行本write()方法,并由当前sys.stdout输出defwrite(self, outStr):#self.content.append(outStr)self.content...
sys.stdout是Python标准库中的一个对象,用于输出到控制台。通过将其重定向到一个空对象,print语句的输出就会被隐藏起来。下面是示例代码: importsys# Create a null object for stdoutclassNullWriter(object):defwrite(self,text):pass# Redirect stdout to null objectsys.stdout=NullWriter()# This is a print...
importsysimportosclassSuppressOutput:def__enter__(self):self._original_stdout=sys.stdout# 保存原始标准输出sys.stdout=open(os.devnull,'w')# 将标准输出重定向到空设备def__exit__(self,exc_type,exc_val,exc_tb):sys.stdout.close()# 关闭空设备sys.stdout=self._original_stdout# 恢复原始标准输出#...
除了在示例 18-3 之后提到的redirect_stdout上下文管理器之外,Python 3.5 中还添加了redirect_stderr—它的功能与前者相同,但用于指向stderr的输出。 contextlib包还包括: closing 一个函数,用于从提供close()方法但不实现__enter__/__exit__接口的对象构建上下文管理器。
views.generic import RedirectView from django.views.static import serve from '你的项目名称' import settings urlpatterns = [ path("favicon.ico",RedirectView.as_view(url='static/favicon.ico')), re_path('static/(?P<path>.*)$', serve, {'document_root': settings.STATICFILES_DIRS[0]}), ]...
PyModuleDef_HEAD_INIT, "dahe", NULL, -1, MathMethods, NULL, NULL, NULL, NULL }; static PyObject* PyInit_math(void) { PyObject* m = PyModule_Create(&MathModule); PySys_SetObject("stdout", m); PySys_SetObject("stderr", m); ...
()))sys.stdout.flush()c=c+1time.sleep(1)if__name__=="__main__":daemonize('/dev/null','/tmp/daemon_stdout.log','/tmp/daemon_error.log')main()可以通过命令ps-ef|grep daemon.py查看后台运行的继承,在/tmp/daemon_error.log会记录错误运行日志,在/tmp/daemon_stdout.log会记录标准输出日志...
print "I'm writing to you..." #屏显 with RedirectStdout(file): print 'I hope this letter finds you well!' #写入文件 print 'Check your mailbox.' #屏显 with open(os.devnull, "w+") as file, RedirectStdout(file): Greeting() #不屏显不写入 ...
Have tried all ways to disable warnings eg: # Save the current warning settings current_warnings = warnings.filters.copy() # Suppress all warnings warnings.filterwarnings('ignore') # Redirect standard output to null sys.stdout = open(os.devnull, 'w') # Suppress logging logger = logging.getL...