testExplorer.py
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# testExplorer -
import sys
import os
import win32com.client.dynamic
from win32com.client import Dispatch
import win32api
import win32gui
import win32con
import winerror
import glob
import pythoncom
import time
from win32com.test.util import CheckClean
bVisibleEventFired = 0
class ExplorerEvents:
def OnVisible(self, visible):
global bVisibleEventFired
bVisibleEventFired = 1
def TestExplorerEvents():
global bVisibleEventFired
iexplore = win32com.client.DispatchWithEvents("InternetExplorer.Application", ExplorerEvents)
iexplore.Visible = 1
if not bVisibleEventFired:
raise RuntimeError("The IE event did not appear to fire!")
iexplore.Quit()
iexplore = None
bVisibleEventFired = 0
ie = win32com.client.Dispatch("InternetExplorer.Application")
ie_events = win32com.client.DispatchWithEvents(ie, ExplorerEvents)
ie.Visible = 1
if not bVisibleEventFired:
raise RuntimeError("The IE event did not appear to fire!")
ie.Quit()
ie = None
print "IE Event tests worked."
def TestObjectFromWindow():
# Check we can use ObjectFromLresult to get the COM object from the
# HWND - see KB Q249232
# Locating the HWND is different than the KB says...
hwnd = win32gui.FindWindow('IEFrame', None)
for child_class in ['TabWindowClass', 'Shell DocObject View',
'Internet Explorer_Server']:
hwnd = win32gui.FindWindowEx(hwnd, 0, child_class, None)
# ack - not working for markh on vista with IE8 (or maybe it is the
# lack of the 'accessibility' components mentioned in Q249232)
# either way - not working!
return
# But here is the point - once you have an 'Internet Explorer_Server',
# you can send a message and use ObjectFromLresult to get it back.
msg = win32gui.RegisterWindowMessage("WM_HTML_GETOBJECT")
rc, result = win32gui.SendMessageTimeout(hwnd, msg, 0, 0, win32con.SMTO_ABORTIFHUNG, 1000)
ob = pythoncom.ObjectFromLresult(result, pythoncom.IID_IDispatch, 0)
doc = Dispatch(ob)
# just to prove it works, set the background color of the document.
for color in "red green blue orange white".split():
doc.bgColor = color
time.sleep(0.2)
def TestExplorer(iexplore):
if not iexplore.Visible: iexplore.Visible = -1
iexplore.Navigate(win32api.GetFullPathName('..\\readme.htm'))
win32api.Sleep(1000)
TestObjectFromWindow()
win32api.Sleep(3000)
try:
iexplore.Quit()
except (AttributeError, pythoncom.com_error):
# User got sick of waiting :)
pass
def TestAll():
try:
try:
iexplore = win32com.client.dynamic.Dispatch("InternetExplorer.Application")
TestExplorer(iexplore)
win32api.Sleep(1000)
iexplore = None
# Test IE events.
TestExplorerEvents()
# Give IE a chance to shutdown, else it can get upset on fast machines.
time.sleep(2)
# Note that the TextExplorerEvents will force makepy - hence
# this gencache is really no longer needed.
from win32com.client import gencache
gencache.EnsureModule("{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}", 0, 1, 1)
iexplore = win32com.client.Dispatch("InternetExplorer.Application")
TestExplorer(iexplore)
except pythoncom.com_error, exc:
if exc.hresult!=winerror.RPC_E_DISCONNECTED: # user closed the app!
raise
finally:
iexplore = None
if __name__=='__main__':
TestAll()
CheckClean()