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MikeTough

New Post Processing Script not registering in Cura 3.5.0

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Posted (edited) · New Post Processing Script not registering in Cura 3.5.0

Hi,

 

I'm running CURA 3.5.0 on a Windows 10 set-up

 

I have my own Post Processing Script which has run successfully under CURA 2.7, but I have recently migrated to 3.5.0

 

Placing the post processing script in either C:\Users\user\AppData\Roaming\cura\3.5\scripts or in D:\Program Files\Ultimaker Cura 3.5\plugins\PostProcessingPlugin\scripts and re loading CURA the new script does not appear in the script list on the "Extensions - Post Processing - Modify Gcode" screen (Add a Script" drop-down menu)

 

The CURA log shows the following error:

2018-10-17 16:00:50,686 - ERROR - [MainThread] UM.Logger.logException [84]: Exception: Exception occurred while loading post processing plugin: module 'PostProcessingPlugin.PostProcessingPlugin.MCT-ZTweak' has no attribute 'MCT-ZTweak'
2018-10-17 16:00:50,687 - ERROR - [MainThread] UM.Logger.logException [88]: Traceback (most recent call last):
2018-10-17 16:00:50,688 - ERROR - [MainThread] UM.Logger.logException [88]:   File "D:\Program Files\Ultimaker Cura 3.5\plugins\PostProcessingPlugin\PostProcessingPlugin.py", line 154, in loadScripts
2018-10-17 16:00:50,690 - ERROR - [MainThread] UM.Logger.logException [88]:     loaded_class = getattr(loaded_script, script_name)
2018-10-17 16:00:50,692 - ERROR - [MainThread] UM.Logger.logException [88]: AttributeError: module 'PostProcessingPlugin.PostProcessingPlugin.MCT-ZTweak' has no attribute 'MCT-ZTweak'

To check that this is not an issue with my plugin, I made a copy of one of the bundled plugins (which I know works) and simply renamed it (and renamed the plugin class name). This also fails to load, throwing a similar error.

2018-10-17 16:00:50,655 - ERROR - [MainThread] UM.Logger.logException [84]: Exception: Exception occurred while loading post processing plugin: module 'PostProcessingPlugin.PostProcessingPlugin.ChangeAtZ - Copy' has no attribute 'ChangeAtZ - Copy'
2018-10-17 16:00:50,657 - ERROR - [MainThread] UM.Logger.logException [88]: Traceback (most recent call last):
2018-10-17 16:00:50,658 - ERROR - [MainThread] UM.Logger.logException [88]:   File "D:\Program Files\Ultimaker Cura 3.5\plugins\PostProcessingPlugin\PostProcessingPlugin.py", line 154, in loadScripts
2018-10-17 16:00:50,659 - ERROR - [MainThread] UM.Logger.logException [88]:     loaded_class = getattr(loaded_script, script_name)
2018-10-17 16:00:50,660 - ERROR - [MainThread] UM.Logger.logException [88]: AttributeError: module 'PostProcessingPlugin.PostProcessingPlugin.ChangeAtZ - Copy' has no attribute 'ChangeAtZ - Copy'

It looks (to my inexpert eye) like the post processing plugin loader may have a bug.

 

Am I doing anything incorrectly or is this a bug?

 

 

Edited by MikeTough

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Posted · New Post Processing Script not registering in Cura 3.5.0

Class names can’t have spaces or dashes; only alphanumeric characters and underscores are allowed.

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Posted · New Post Processing Script not registering in Cura 3.5.0

Sadly, removing spaces and non-alphanumeric characters (and replacing with underscores) either in the script file name or the class name does not solve the problem ? Nor does ensuring that the script class name matches the script file name.

 

Any other suggestions ?

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Posted (edited) · New Post Processing Script not registering in Cura 3.5.0

My apologies ahoeben,

 

By removing non aplha numeric and spaces AND ensuring the file name is the same as the class name the script now correctly loads ?

 

I had forgotten that the name I had assigned in the class (which is displayed in the drop down) was different from the class name, so I'd missed it in the drop down list - my bad ?

 

Many thanks for your help.

Edited by MikeTough

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