在PyCharm中控制台输出日志分层级分颜色显示的示例分析-创新互联
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#!/usr/bin/env python # encoding: utf-8 import logging # now we patch Python code to add color support to logging.StreamHandler def add_coloring_to_emit_windows(fn): # add methods we need to the class def _out_handle(self): import ctypes return ctypes.windll.kernel32.GetStdHandle(self.STD_OUTPUT_HANDLE) out_handle = property(_out_handle) def _set_color(self, code): import ctypes # Constants from the Windows API self.STD_OUTPUT_HANDLE = -11 hdl = ctypes.windll.kernel32.GetStdHandle(self.STD_OUTPUT_HANDLE) ctypes.windll.kernel32.SetConsoleTextAttribute(hdl, code) setattr(logging.StreamHandler, '_set_color', _set_color) def new(*args): FOREGROUND_BLUE = 0x0001 # text color contains blue. FOREGROUND_GREEN = 0x0002 # text color contains green. FOREGROUND_RED = 0x0004 # text color contains red. FOREGROUND_INTENSITY = 0x0008 # text color is intensified. FOREGROUND_WHITE = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED # winbase.h STD_INPUT_HANDLE = -10 STD_OUTPUT_HANDLE = -11 STD_ERROR_HANDLE = -12 # wincon.h FOREGROUND_BLACK = 0x0000 FOREGROUND_BLUE = 0x0001 FOREGROUND_GREEN = 0x0002 FOREGROUND_CYAN = 0x0003 FOREGROUND_RED = 0x0004 FOREGROUND_MAGENTA = 0x0005 FOREGROUND_YELLOW = 0x0006 FOREGROUND_GREY = 0x0007 FOREGROUND_INTENSITY = 0x0008 # foreground color is intensified. BACKGROUND_BLACK = 0x0000 BACKGROUND_BLUE = 0x0010 BACKGROUND_GREEN = 0x0020 BACKGROUND_CYAN = 0x0030 BACKGROUND_RED = 0x0040 BACKGROUND_MAGENTA = 0x0050 BACKGROUND_YELLOW = 0x0060 BACKGROUND_GREY = 0x0070 BACKGROUND_INTENSITY = 0x0080 # background color is intensified. levelno = args[1].levelno if (levelno >= 50): color = BACKGROUND_YELLOW | FOREGROUND_RED | FOREGROUND_INTENSITY | BACKGROUND_INTENSITY elif (levelno >= 40): color = FOREGROUND_RED | FOREGROUND_INTENSITY elif (levelno >= 30): color = FOREGROUND_YELLOW | FOREGROUND_INTENSITY elif (levelno >= 20): color = FOREGROUND_GREEN elif (levelno >= 10): color = FOREGROUND_MAGENTA else: color = FOREGROUND_WHITE args[0]._set_color(color) ret = fn(*args) args[0]._set_color(FOREGROUND_WHITE) # print "after" return ret return new def add_coloring_to_emit_ansi(fn): # add methods we need to the class def new(*args): levelno = args[1].levelno if (levelno >= 50): color = '\x1b[31m' # red elif (levelno >= 40): color = '\x1b[31m' # red elif (levelno >= 30): color = '\x1b[33m' # yellow elif (levelno >= 20): color = '\x1b[32m' # green elif (levelno >= 10): color = '\x1b[35m' # pink else: color = '\x1b[0m' # normal try: args[1].msg = color + args[1].msg + '\x1b[0m' # normal except Exception as e: pass # print "after" return fn(*args) return new import platform if platform.system() == 'Windows': # Windows does not support ANSI escapes and we are using API calls to set the console color logging.StreamHandler.emit = add_coloring_to_emit_windows(logging.StreamHandler.emit) else: # all non-Windows platforms are supporting ANSI escapes so we use them logging.StreamHandler.emit = add_coloring_to_emit_ansi(logging.StreamHandler.emit) # log = logging.getLogger() # log.addFilter(log_filter()) # //hdlr = logging.StreamHandler() # //hdlr.setFormatter(formatter())
2、将文件放到项目的utils包中(或者项目其他路径)
3、在配置文件中导入这个py文件
比如在Django的setting.py文件中配置日志信息时,可以先导入这个文件
之后运行代码,控制台会根据日志等级显示不同的颜色
4、pycharm版本最好是17版本以上的
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