First Commit

1 files changed, 63 insertions, 0 deletions

diff --git a/test/logs.py b/test/logs.py
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+++ b/test/logs.py
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+#!/bin/python2
+
+import Tkinter
+import logging
+import datetime
+
+# this item "module_logger" is visible only in this module,
+# (but you can create references to the same logger object from other modules 
+# by calling getLogger with an argument equal to the name of this module)
+# this way, you can share or isolate loggers as desired across modules and across threads
+# ...so it is module-level logging and it takes the name of this module (by using __name__)
+# recommended per https://docs.python.org/2/library/logging.html
+module_logger = logging.getLogger(__name__)
+
+class simpleapp_tk(Tkinter.Tk):
+    def __init__(self,parent):
+        Tkinter.Tk.__init__(self,parent)
+        self.parent = parent
+
+        self.grid()
+
+        self.mybutton = Tkinter.Button(self, text="ClickMe")
+        self.mybutton.grid(column=0,row=0,sticky='EW')
+        self.mybutton.bind("<ButtonRelease-1>", self.button_callback)
+
+        self.mytext = Tkinter.Text(self, state="disabled")
+        self.mytext.grid(column=0, row=1)
+
+    def button_callback(self, event):
+        now = datetime.datetime.now()
+        module_logger.info(now)
+
+class MyHandlerText(logging.StreamHandler):
+    def __init__(self, textctrl):
+        logging.StreamHandler.__init__(self) # initialize parent
+        self.textctrl = textctrl
+
+    def emit(self, record):
+        msg = self.format(record)
+        self.textctrl.config(state="normal")
+        self.textctrl.insert("end", msg + "\n")
+        self.flush()
+        self.textctrl.config(state="disabled")
+
+if __name__ == "__main__":
+
+    # create Tk object instance
+    app = simpleapp_tk(None)
+    app.title('my application')
+
+    # setup logging handlers using the Tk instance created above
+    # the pattern below can be used in other threads...
+    # ...to allow other thread to send msgs to the gui
+    # in this example, we set up two handlers just for demonstration (you could add a fileHandler, etc)
+    stderrHandler = logging.StreamHandler()  # no arguments => stderr
+    module_logger.addHandler(stderrHandler)
+    guiHandler = MyHandlerText(app.mytext)
+    module_logger.addHandler(guiHandler)
+    module_logger.setLevel(logging.INFO)
+    module_logger.info("from main")    
+
+    # start Tk
+    app.mainloop()