MitchellKehn’s gists

MitchellKehn / premultBracket.py

Created January 30, 2024 08:10

[premult bracket] wraps the selected node in an un/premult pair. it's... old #nuke

	node_names = []
	alts = []

	for i in nuke.selectedNodes():
	name = i['name'].value()
	alt = i.ypos()

	node_names.append(name)
	alts.append(alt)
	i.knob('selected').setValue(False) # Deselects nodes as it goes through.

MitchellKehn / excel_drag_to_fill.py

Created January 21, 2024 01:46

[Excel-like drag to fill functionality] Adds drag-to-fill functionality to a QTableView #qt #pyside

	from PySide2 import QtWidgets, QtGui, QtCore


	def snap_value(value, snap_points, snap_threshold, verbose=False):
	"""
	Given a value and a list of "snapping points" it can snap to,
	snap it to the closest value if it's within the snapping threshold.
	"""
	if not snap_points: return value

MitchellKehn / rich_drag_and_drop.py

Last active January 21, 2024 01:50

[Drag and drop between item widgets with custom types] normally drag-and-drop between item widgets doesn't preserve subclass types for custom items. This enables that, with interchangeable drag and drop between all three types of item widgets. #python #pyside #qt

	import abc
	import json
	import inspect
	from collections import defaultdict
	from typing import Type, Iterable
	from functools import partial

	from PySide2 import QtWidgets, QtGui, QtCore

MitchellKehn / DeNodal.nk

Created January 24, 2022 06:41

[Nodal] it's Wordle for Nuke

	set cut_paste_input [stack 0]
	version 11.3 v4
	push $cut_paste_input
	NoOp {
	name DeNodal1
	knobChanged "def main():\n import re\n node = nuke.thisNode()\n \n fixedLetters = node\[\"fixedLetters\"].getValue().strip().lower()\n floatingLetters = node\[\"floatingLetters\"].getValue().strip().lower()\n antiLetters = node\[\"antiLetters\"].getValue().strip().lower()\n wordList = node\[\"wordList\"].getValue().split(\",\")\n \n if not any((char.isalpha() for char in fixedLetters)) \\\n and not floatingLetters \\\n and not antiLetters:\n node\[\"solutions\"].setValue(\"no input\")\n return\n \n fixedPattern = fixedLetters.replace(\"_\", r\"\\w\")\n candidateWords = \[]\n for word in wordList:\n if re.match(fixedPattern, word) \\\n and all((char in word for char in floatingLetters)) \\\n and not any((char in word for char in antiLetters)):\n candidateWords.append(word)\n \n if candidateWords:\n solution

MitchellKehn / svg2png.py

Created August 10, 2021 11:00

[Batch Convert SVG-> PNG] uses PySide2 to convert SVGs to PNGs

	from PySide2 import QtGui, QtSvg
	import os

	FOLDER = r"C:\Users\mkehn\Desktop\test_theme\theme\primary"

	def convertPngToSvg(filepath, size):
	folder, filename = os.path.split(filepath)
	basename, ext = os.path.splitext(filename)
	image = QtGui.QImage(size, size, QtGui.QImage.Format_ARGB32)
	image.fill(0)

MitchellKehn / sqlalchemyOrmNiceRepr.py

Created April 6, 2021 13:43

[SQLAlchemy ORM Pretty Repr] #orm #sqlalchemy

	from sqlalchemy.ext.declarative import declarative_base

	Base = declarative_base()

	# monkey-patch a nice __repr__ method onto the Base class.
	def _niceRepr(self):
	"""
	Nicely format class name and column values.
	Looks up the inheritance hierarchy for inherited columns and displays those too.
	"""

MitchellKehn / RecursiveTabKnobs.nk

Last active January 22, 2021 07:03

[Tab_Knob in a Tab_Knob] an example of having nested tabs in a Nuke node. #nuke

	NoOp {
	name NoOp1
	selected true
	xpos 352
	ypos 1985
	addUserKnob {20 Foo l "" n -2}
	addUserKnob {20 Bar l Settings}
	addUserKnob {7 float}
	addUserKnob {20 Baz l Fun}
	addUserKnob {7 float}

MitchellKehn / randomRotoshapeColors.py

Created January 6, 2021 01:17

[random rotoshape fill color] sets the fill color of all roto shapes to be a random RGB something. viewer needs a kick in the pants sometimes

	import random

	rp = nuke.selectedNode()

	for element in rp['curves'].rootLayer:
	if isinstance(element, nuke.rotopaint.Stroke) or isinstance(element, nuke.rotopaint.Shape):
	attrs = element.getAttributes()
	attrs.set("r", random.random())
	attrs.set("g", random.random())
	attrs.set("b", random.random())

MitchellKehn / get publish descriptions by user.py

Created December 23, 2020 06:50

[get publish descriptions by user] #shotgun

	from altpipe.shotgun.api import getShotgunConnection
	from pprint import pprint

	sg = getShotgunConnection()
	user = sg.find_one("HumanUser", [["login", "is", "jtrudgian"]])

	versions = sg.find("Version", [["user", "is", user]], ["description"], limit=1000)

	descriptions = []
	for version in versions:

MitchellKehn / cameraSmooth.py

Created December 8, 2020 06:17

[Camera Smooth] Create a copy of the selected camera node, using a weighted average of surrounding frames #nuke

	"""
	Smooth Camera
	Creates a new camera linked to the selected one, with a weighted average of the position/rotation curves.
	"""
	import nuke


	def deselectAll():
	for node in nuke.selectedNodes():
	node.setSelected(False)

Mitchell MitchellKehn