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.venv/Lib/site-packages/pythonwin/pywin/Demos/cmdserver.py

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