MatchError When Accessing Desktop Window Properties in Pywinauto

Question

I am trying to interact with windows using pywinauto. Here's the code snippet I am using:

top_windows = Desktop().windows()
for w in top_windows:
    print(w.window_text())
    print(w.get_properties())
    w.draw_outline()

I successfully retrieve the window I need and use class_name from the properties I see in w.get_properties(). However, when I try to find the window using this class_name, I encounter a pywinauto.findbestmatch.MatchError.

NOTE: in propreties I have 'is_visible': False, 'is_enabled': True and 'automation_id': ''

Reference to the Pywinauto documentation Additionally, I am attempting to access properties like this:

Properties = Desktop().Common_Files_Properties
Properties.print_control_identifiers()

Can anyone help me understand why I am getting the MatchError and how to resolve it?

I tried using class_name from w.get_properties() to find a specific desktop window, expecting it to match and work without errors. However, I encountered a pywinauto.findbestmatch.MatchError

Please add the full error traceback with MatchError by editing your question. Such traceback contains line numbers which are very useful to find the problem. Also I don't see the failed piece of code which leads to MatchError. — Vasily Ryabov
– Vasily Ryabov, Commented Jan 24 at 16:36
@VasilyRyabov I fixed it by calling restore() to make it visible the window — noel
– noel, Commented Jan 24 at 16:49
Great! Please post it as an answer (it is OK to answer own questions) and mark it as accepted by gray check box to indicate the problem is resolved for others. — Vasily Ryabov
– Vasily Ryabov, Commented Jan 24 at 17:51

noel · Accepted Answer · 2025-01-27 08:27:17Z

1

Using restore() to make the window visible fixes the problem.

answered Jan 27 at 8:27

noel

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