From ronaldoussoren at mac.com  Sun Nov  3 16:39:33 2019
From: ronaldoussoren at mac.com (Ronald Oussoren)
Date: Sun, 3 Nov 2019 22:39:33 +0100
Subject: [Pythonmac-SIG] Catalina issue
In-Reply-To: <49224C62-4F25-4FC0-8205-F90D1E6825D9@me.com>
References: <49224C62-4F25-4FC0-8205-F90D1E6825D9@me.com>
Message-ID: <D397F10D-BA95-40BE-9625-F43133A8FC69@mac.com>

Hi,

This is a change in behaviour in macOS. The workaround is to create an NSApplication instance, for example by calling Cocoa.NSApplication.sharedApplication().

Ronald
?

Twitter: @ronaldoussoren
Blog: https://blog.ronaldoussoren.net/

> On 29 Oct 2019, at 19:34, Ben Byram-Wigfield via Pythonmac-SIG <pythonmac-sig at python.org> wrote:
> 
> The following two lines work in Mojave, but flag an error in Catalina:
> 
>>>> from AppKit import NSSavePanel
>>>> panel = NSSavePanel.savePanel()
> 
> The error is:
> 
> 2019-10-29 18:24:22.275 Python[6577:255233] *** Assertion failure in +[NSServiceViewController currentAppIsViewService], /BuildRoot/Library/Caches/com.apple.xbs/Sources/ViewBridge/ViewBridge-462/NSViewService.m:140
> 2019-10-29 18:24:22.275 Python[6577:255233] *** Assertion failure in +[NSServiceViewController currentAppIsViewService], /BuildRoot/Library/Caches/com.apple.xbs/Sources/ViewBridge/ViewBridge-462/NSViewService.m:140
> 2019-10-29 18:24:22.342 Python[6577:255347] +[NSXPCSharedListener endpointForReply:withListenerName:]: an error occurred while attempting to obtain endpoint for listener 'com.apple.view-bridge': Connection interrupted
> 
> This is with PyObjC 5.2. I get the same error (or not) in python 2.7 and python 3.7.
> 
> 
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