Python Blender Scripts for Splined Mesh Youtube Video

AssignVerticesToBones.py

#
# Replace vertex group with all vertices in a range
#
import bpy
import bmesh

def MakeBoneName(index):
	if index < 10:
		return "Bone.00" + str(index)
	elif index < 100:
		return "Bone.0" + str(index)
	else:
		return "Bone." + str(index)

activeObject = bpy.context.active_object

# Get the mesh data
mesh = activeObject.data

# For each bone
for i in range(100):
	# The vertex group for the bone is the same as its name
	# We named them all "Bone.###" so that's the group name.
	boneVertexGroupName = MakeBoneName(i)
	
	# Find the vertex group
	oldVertexGroup = activeObject.vertex_groups.get(boneVertexGroupName)
	
	# Delete the existing group
	if oldVertexGroup:
		activeObject.vertex_groups.remove(oldVertexGroup)
	
	# Add a fresh one with the same name
	newGroup = activeObject.vertex_groups.new(name=boneVertexGroupName)
	
	# Select the vertices for this bone
	for vert in mesh.vertices:
		minX = i * 0.5 - 0.1
		maxX = i * 0.5 + 0.1
		# Check if the vertex is inside the bounding box
		if (minX <= vert.co.x <= maxX):
			# Add it to the group
			newGroup.add([vert.index], 1.0, 'ADD')

ExtrudeSelectedFaces.py

#
# Extrude selected faces N times
#
import bpy
import bmesh

for i in range(99):
	bpy.ops.mesh.extrude_region_move(TRANSFORM_OT_translate={"value":(.5, 0, 0)})

MakeNBones.py

#
# Create list of bones all parented to a single parent bone at algorithmic start/end location:
#
import bpy
import bmesh

def MakeBoneName(index):
	if index < 10:
		return "Bone.00" + str(index)
	elif index < 100:
		return "Bone.0" + str(index)
	else:
		return "Bone." + str(index)

# Create a new armature object
armature = bpy.data.armatures.new("Armature")
armature_obj = bpy.data.objects.new("Armature", armature)

# Add to scene and select it
bpy.context.collection.objects.link(armature_obj)
bpy.context.view_layer.objects.active = armature_obj

# We need to be in edit mode to edit the bones of the armature
bpy.ops.object.mode_set(mode='EDIT')

# make a single parent bone
parentBone = armature_obj.data.edit_bones.new("ParentBone")
parentBone.head = (0, 0, 0)
parentBone.tail = (0.5, 0, 0)

# Create bones
for i in range(100):
	bone = armature_obj.data.edit_bones.new(MakeBoneName(i))
	bone.head = (i * 0.5, 0, 0)
	bone.tail = ((i + 1)*0.5, 0, 0)
	bone.parent = parentBone