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# OfficeEvents - test/demonstrate events with Word and Excel.
from win32com.client import DispatchWithEvents, Dispatch
import msvcrt, pythoncom
import time, sys
import types
import threading
stopEvent = threading.Event()
def TestExcel():
class ExcelEvents:
def OnNewWorkbook(self, wb):
if type(wb) != types.InstanceType:
raise RuntimeError("The transformer doesnt appear to have translated this for us!")
self.seen_events["OnNewWorkbook"] = None
def OnWindowActivate(self, wb, wn):
if type(wb) != types.InstanceType or type(wn) != types.InstanceType:
raise RuntimeError("The transformer doesnt appear to have translated this for us!")
self.seen_events["OnWindowActivate"] = None
def OnWindowDeactivate(self, wb, wn):
self.seen_events["OnWindowDeactivate"] = None
def OnSheetDeactivate(self, sh):
self.seen_events["OnSheetDeactivate"] = None
def OnSheetBeforeDoubleClick(self, Sh, Target, Cancel):
if Target.Column % 2 == 0:
print("You can double-click there...")
else:
print("You can not double-click there...")
# This function is a void, so the result ends up in
# the only ByRef - Cancel.
return 1
class WorkbookEvents:
def OnActivate(self):
print("workbook OnActivate")
def OnBeforeRightClick(self, Target, Cancel):
print("It's a Worksheet Event")
e = DispatchWithEvents("Excel.Application", ExcelEvents)
e.seen_events = {}
e.Visible=1
book = e.Workbooks.Add()
book = DispatchWithEvents(book, WorkbookEvents)
print("Have book", book)
# sheet = e.Worksheets(1)
# sheet = DispatchWithEvents(sheet, WorksheetEvents)
print("Double-click in a few of the Excel cells...")
print("Press any key when finished with Excel, or wait 10 seconds...")
if not _WaitForFinish(e, 10):
e.Quit()
if not _CheckSeenEvents(e, ["OnNewWorkbook", "OnWindowActivate"]):
sys.exit(1)
def TestWord():
class WordEvents:
def OnDocumentChange(self):
self.seen_events["OnDocumentChange"] = None
def OnWindowActivate(self, doc, wn):
self.seen_events["OnWindowActivate"] = None
def OnQuit(self):
self.seen_events["OnQuit"] = None
stopEvent.set()
w = DispatchWithEvents("Word.Application", WordEvents)
w.seen_events = {}
w.Visible = 1
w.Documents.Add()
print("Press any key when finished with Word, or wait 10 seconds...")
if not _WaitForFinish(w, 10):
w.Quit()
if not _CheckSeenEvents(w, ["OnDocumentChange", "OnWindowActivate"]):
sys.exit(1)
def _WaitForFinish(ob, timeout):
end = time.time() + timeout
while 1:
if msvcrt.kbhit():
msvcrt.getch()
break
pythoncom.PumpWaitingMessages()
stopEvent.wait(.2)
if stopEvent.isSet():
stopEvent.clear()
break
try:
if not ob.Visible:
# Gone invisible - we need to pretend we timed
# out, so the app is quit.
return 0
except pythoncom.com_error:
# Excel is busy (eg, editing the cell) - ignore
pass
if time.time() > end:
return 0
return 1
def _CheckSeenEvents(o, events):
rc = 1
for e in events:
if e not in o.seen_events:
print("ERROR: Expected event did not trigger", e)
rc = 0
return rc
def test():
import sys
if "noword" not in sys.argv[1:]:
TestWord()
if "noexcel" not in sys.argv[1:]:
TestExcel()
print("Word and Excel event tests passed.")
if __name__=='__main__':
test()