[processing] Script collection plugins don't work in qgis 2.99.0-254, x64

[qgib]

Author Name: Clemens Raffler (@root676)
Original Redmine Issue: 17780
Affected QGIS version: master
Redmine category:processing/core
Assignee: Victor Olaya

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Dear devs,
first of all a huge thank you for the rework of the processing framework for qgis3 - it is promising huge improvements!
Unfortunately I ran into a bug that breaks the script collection plugin functionality for me while I was porting such a plugin from qgis2.x to qgis3. The problem still exists when I populate the plugin with the scripts from the current on-line scripts collection and throws a GUI-related python error.

Is this bug replicable for you?

I suppose that the script collection plugin might trigger some other python errors besides this gui-related error due to the rework of processing - just a guess.

I will paste the stack trace and my path-vars here for reference, if you need more information from me don't hesitate to ask!

Thanks!

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Couldn't load plugin 'testscript' due to an error when calling its initGui() method

AttributeError: 'QGISAlgorithmProvider' object has no attribute '_icon'
Traceback (most recent call last):
File "S:/OSGeo4W64/apps/qgis-dev/./python\qgis\utils.py", line 345, in startPlugin
plugins[packageName].initGui()
File "C:/Users/Clemens Raffler/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\testscript\plugin.py", line 8, in initGui
Processing.addScripts(os.path.join(os.path.dirname(file), "scripts"))
File "S:/OSGeo4W64/apps/qgis-dev/./python/plugins\processing\core\Processing.py", line 112, in addScripts
script._icon = provider._icon
AttributeError: 'QGISAlgorithmProvider' object has no attribute '_icon'

Python version: 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)]
QGIS version: 2.99.0-Master Master, f9d6a99

Python Path:
S:/OSGeo4W64/apps/qgis-dev/./python/plugins\processing
S:/OSGeo4W64/apps/qgis-dev/./python
C:/Users/Username/AppData/Roaming/QGIS/QGIS3\profiles\default/python
C:/Users/Username/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins
S:/OSGeo4W64/apps/qgis-dev/./python/plugins
C:\EnterpriseDB\LanguagePack\9.5\x64\Python-3.3
C:\WINDOWS\system32
C:\WINDOWS
C:\WINDOWS\system32\WBem
C:\Program Files\R\R-3.2.2\bin\x64
C:\ProgramData\Oracle\Java\javapath
C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live
C:\Program Files (x86)\Intel\iCLS Client
C:\Program Files\Intel\iCLS Client
C:\WINDOWS\System32\WindowsPowerShell\v1.0
C:\Program Files\Intel\Intel(R) Management Engine Components\DAL
C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL
C:\Program Files\Intel\Intel(R) Management Engine Components\IPT
C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT
C:\Program Files (x86)\Boundless\OpenGeo\jetty\jre\bin
C:\Program Files (x86)\QuickTime\QTSystem
C:\Program Files\Microsoft SQL Server\130\Tools\Binn
C:\Program Files (x86)\Skype\Phone
C:\Program Files\IBM\SPSS\Statistics\24\JRE\bin
C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common
S:\OSGeo4W64\bin%USERPROFILE%.dnx\bin
C:\Program Files\Microsoft DNX\Dnvm
C:\Program Files\CMake\bin
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin
C:\Program Files (x86)\Graphviz2.38\bin
C:\Program Files\apache-maven-3.5.2\bin
C:\Program Files\Java\jdk1.8.0_121\bin
C:\Program Files\Java\jre1.8.0_121\bin
S:\Cygwin\bin
C:\Program Files\PostgreSQL\9.5\bin
S:\OSGeo4W64\bin
S:\OSGeo4W64\bin\python36.zip
S:\OSGeo4W64\apps\Python36\DLLs
S:\OSGeo4W64\apps\Python36\lib
S:\OSGeo4W64\apps\Python36
S:\OSGeo4W64\apps\Python36\lib\site-packages
C:/Users/Username/AppData/Roaming/QGIS/QGIS3\profiles\default/python
####################################################################################

[qgib]

Author Name: Alexander Bruy (@alexbruy)

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Applied in changeset 7ecb053.

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• done_ratio was changed from 0 to 100
• status_id was changed from Open to Closed

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• resolution was changed from to fixed/implemented