feat: intergrate itchat to lib

lib/itchat/log.py

@@ -0,0 +1,36 @@
+import logging
+
+class LogSystem(object):
+    handlerList = []
+    showOnCmd = True
+    loggingLevel = logging.INFO
+    loggingFile = None
+    def __init__(self):
+        self.logger = logging.getLogger('itchat')
+        self.logger.addHandler(logging.NullHandler())
+        self.logger.setLevel(self.loggingLevel)
+        self.cmdHandler = logging.StreamHandler()
+        self.fileHandler = None
+        self.logger.addHandler(self.cmdHandler)
+    def set_logging(self, showOnCmd=True, loggingFile=None,
+            loggingLevel=logging.INFO):
+        if showOnCmd != self.showOnCmd:
+            if showOnCmd:
+                self.logger.addHandler(self.cmdHandler)
+            else:
+                self.logger.removeHandler(self.cmdHandler)
+            self.showOnCmd = showOnCmd
+        if loggingFile != self.loggingFile:
+            if self.loggingFile is not None: # clear old fileHandler
+                self.logger.removeHandler(self.fileHandler)
+                self.fileHandler.close()
+            if loggingFile is not None: # add new fileHandler
+                self.fileHandler = logging.FileHandler(loggingFile)
+                self.logger.addHandler(self.fileHandler)
+            self.loggingFile = loggingFile
+        if loggingLevel != self.loggingLevel:
+            self.logger.setLevel(loggingLevel)
+            self.loggingLevel = loggingLevel
+
+ls = LogSystem()
+set_logging = ls.set_logging