109 lines
2.6 KiB
Python
109 lines
2.6 KiB
Python
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# cmdserver.py
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# Demo code that is not Pythonwin related, but too good to throw away...
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import win32api
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import sys
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from pywin.framework import winout
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import _thread, sys
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import traceback
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class ThreadWriter:
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"Assign an instance to sys.stdout for per-thread printing objects - Courtesy Guido!"
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def __init__(self):
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"Constructor -- initialize the table of writers"
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self.writers = {}
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self.origStdOut = None
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def register(self, writer):
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"Register the writer for the current thread"
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self.writers[_thread.get_ident()] = writer
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if self.origStdOut is None:
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self.origStdOut = sys.stdout
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sys.stdout = self
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def unregister(self):
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"Remove the writer for the current thread, if any"
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try:
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del self.writers[_thread.get_ident()]
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except KeyError:
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pass
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if len(self.writers)==0:
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sys.stdout = self.origStdOut
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self.origStdOut = None
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def getwriter(self):
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"Return the current thread's writer, default sys.stdout"
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try:
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return self.writers[_thread.get_ident()]
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except KeyError:
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return self.origStdOut
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def write(self, str):
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"Write to the current thread's writer, default sys.stdout"
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self.getwriter().write(str)
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def Test():
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num=1
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while num<1000:
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print('Hello there no ' + str(num))
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win32api.Sleep(50)
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num = num + 1
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class flags:
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SERVER_BEST = 0
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SERVER_IMMEDIATE = 1
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SERVER_THREAD = 2
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SERVER_PROCESS = 3
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def StartServer( cmd, title=None, bCloseOnEnd=0, serverFlags = flags.SERVER_BEST ):
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out = winout.WindowOutput( title, None, winout.flags.WQ_IDLE )
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if not title:
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title=cmd
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out.Create(title)
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# ServerThread((out, cmd, title, bCloseOnEnd))
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# out = sys.stdout
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_thread.start_new_thread( ServerThread, (out, cmd, title, bCloseOnEnd) )
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def ServerThread(myout, cmd, title, bCloseOnEnd):
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try:
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writer.register(myout)
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print('Executing "%s"\n' % cmd)
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bOK = 1
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try:
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import __main__
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exec (cmd+'\n', __main__.__dict__)
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except:
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bOK = 0
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if bOK:
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print("Command terminated without errors.")
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else:
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t, v, tb = sys.exc_info()
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print(t, ': ', v)
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traceback.print_tb(tb)
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tb = None # prevent a cycle
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print("Command terminated with an unhandled exception")
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writer.unregister()
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if bOK and bCloseOnEnd:
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myout.frame.DestroyWindow()
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# Unhandled exception of any kind in a thread kills the gui!
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except:
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t, v, tb = sys.exc_info()
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print(t, ': ', v)
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traceback.print_tb(tb)
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tb = None
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print("Thread failed")
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# assist for reloading (when debugging) - use only 1 tracer object,
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# else a large chain of tracer objects will exist.
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#try:
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# writer
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#except NameError:
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# writer=ThreadWriter()
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if __name__=='__main__':
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import demoutils
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demoutils.NotAScript()
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