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# DDE support for Pythonwin
#
# Seems to work fine (in the context that IE4 seems to have broken
# DDE on _all_ NT4 machines I have tried, but only when a "Command Prompt" window
# is open. Strange, but true. If you have problems with this, close all Command Prompts!
import sys
import traceback
import win32api
import win32ui
from dde import *
from pywin.mfc import object
class DDESystemTopic(object.Object):
def __init__(self, app):
self.app = app
object.Object.__init__(self, CreateServerSystemTopic())
def Exec(self, data):
try:
# print "Executing", cmd
self.app.OnDDECommand(data)
except:
t, v, tb = sys.exc_info()
# The DDE Execution failed.
print("Error executing DDE command.")
traceback.print_exception(t, v, tb)
return 0
class DDEServer(object.Object):
def __init__(self, app):
self.app = app
object.Object.__init__(self, CreateServer())
self.topic = self.item = None
def CreateSystemTopic(self):
return DDESystemTopic(self.app)
def Shutdown(self):
self._obj_.Shutdown()
self._obj_.Destroy()
if self.topic is not None:
self.topic.Destroy()
self.topic = None
if self.item is not None:
self.item.Destroy()
self.item = None
def OnCreate(self):
return 1
def Status(self, msg):
try:
win32ui.SetStatusText(msg)
except win32ui.error:
pass
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