Category: python

https://www.amazon.ca/dp/B09BNYDH5F

Working with the Python Scripting API
http://www.gafferhq.org/documentation/1.0.2.0/WorkingWithThePythonScriptingAPI/index.html

Node Graph editing in Python
https://www.gafferhq.org/documentation/1.0.0.0/WorkingWithThePythonScriptingAPI/TutorialNodeGraphEditingInPython/index.html

Common operations
https://www.gafferhq.org/documentation/1.0.0.0/Reference/ScriptingReference/CommonOperations/index.html

Scripting box nodes
https://blog.gafferhq.org/?p=278

Dev and pipe tips
https://blog.gafferhq.org/?cat=35

import GafferScene
import Gaffer

# return a list of selections
# (nodes HAVE TO BE selected for the following)
sel = root.selection() # gaffer standard set

list(sel)
sel[0].typeName()
dir( sel[0] )
sel[0].getName()
sel.clear()
root.removeChild( sel[0] )

# store the selected nodes in a variable
>>> sel = root.selection()
>>> myGroup = sel[0]
>>> light = sel[1]

# set location name
myGroup['name'].setValue('groupLocation')
light['name'].setValue('photometricLightLocation')
# connect a node to a group
>>> myGroup['in'][0].setInput( light['out'] )

# return the node/port attached to a group port
>>> myGroup['in'][0].childNames('/')
photometricLightLocation

>>> myGroup['in'][0].getInput().fullName()
>>> myGroup['in'][0].source().fullName()
gui.scripts.ScriptNode.lighting_in1.PhotometricLightNode.out

# return the full name of one of the objects
# attached to the out port
>>> light['out'].outputs()[0].fullName()
gui.scripts.ScriptNode.lighting_in1.GroupNode.in.in0

>>> light
GafferArnold.ArnoldLight( "PhotometricLightNode" )

>>> light['out'].childNames('')
photometricLightLocation

>>> light['out'].outputs()[0].node()
GafferScene.Group( "Group" )

Learn how to do back end web development using the popular Python Django framework. You’ll build data visualization web apps using Pandas dataframes, Matplotlib, and Seaborn. You’ll also work with PDF rendering and even base-64 encoding. (7 hour YouTube course)

https://www.freecodecamp.org/news/python-code-examples-simple-python-program-example/

If the text does not load well, please download the pdf locally to your machine.
The pdf plugin may not work well under Linux os.

www.geeksforgeeks.org/graph-plotting-in-python-set-1/

https://matplotlib.org/3.1.1/api/_as_gen/matplotlib.pyplot.xlabel.html

https://www.freecodecamp.org/news/how-to-embed-interactive-python-visualizations-on-your-website-with-python-and-matplotlib/

https://python-graph-gallery.com/10-barplot-with-number-of-observation/

Blockly is a client-side library for the programming language JavaScript for creating block-based visual programming languages (VPLs) and editors. It is a project of Google and is free and open-source software released under the Apache License 2.0.

developers.google.com/blockly/guides/overview

developers.google.com/blockly

https://www.inc.com/larry-kim/should-you-learn-python-c-or-ruby-to-be-a-top-coder-infographic.html

Intermediate Python Programming Course
https://www.youtube.com/watch?v=HGOBQPFzWKo&feature=youtu.be

Until version 3.13 (https://www.pixelsham.com/2024/08/13/gil-to-become-optional-in-python-3-13/), Python is multiprocessing but not multi-threaded, due to its native memory management limitations.
When multiple threads are engaged, there is no protection to memory access and racing conditions occurs.

You can work around this by using Jython or IronPython.
Or by using Python as a wrapper to call to c/c++ native code, same as numpy or scipy do.

Charts and details in the post

http://www.tutorialspoint.com/pyqt/pyqt_tutorial.pdf

http://code.tutsplus.com/tutorials/professional-error-handling-with-python–cms-25950

http://www.kdnuggets.com/2016/06/intro-scientific-python-numpy.html

https://docs.python.org/2/library/functions.html