ayon-core/pype/plugins/nuke/publish/extract_backdrop.py
2020-05-25 18:20:02 +02:00

103 lines
3.4 KiB
Python

import pyblish.api
from avalon.nuke import lib as anlib
from pype.hosts.nuke import lib as pnlib
import nuke
import os
import pype
reload(pnlib)
class ExtractBackdropNode(pype.api.Extractor):
"""Extracting content of backdrop nodes
Will create nuke script only with containing nodes.
Also it will solve Input and Output nodes.
"""
order = pyblish.api.ExtractorOrder
label = "Extract Backdrop"
hosts = ["nuke"]
families = ["nukenodes"]
def process(self, instance):
tmp_nodes = list()
nodes = instance[1:]
# Define extract output file path
stagingdir = self.staging_dir(instance)
filename = "{0}.nk".format(instance.name)
path = os.path.join(stagingdir, filename)
# maintain selection
with anlib.maintained_selection():
# all connections outside of backdrop
connections_in = instance.data["connections_in"]
connections_out = instance.data["connections_out"]
self.log.debug("_ connections_in: `{}`".format(connections_in))
self.log.debug("_ connections_out: `{}`".format(connections_out))
# create input nodes and name them as passing node (*_INP)
for n, inputs in connections_in.items():
for i, input in inputs:
inpn = nuke.createNode("Input")
inpn["name"].setValue("{}_{}_INP".format(n.name(), i))
n.setInput(i, inpn)
inpn.setXYpos(input.xpos(), input.ypos())
nodes.append(inpn)
tmp_nodes.append(inpn)
anlib.reset_selection()
# connect output node
for n, output in connections_out.items():
opn = nuke.createNode("Output")
self.log.info(n.name())
self.log.info(output.name())
output.setInput(
next((i for i, d in enumerate(output.dependencies())
if d.name() in n.name()), 0), opn)
opn.setInput(0, n)
opn.autoplace()
nodes.append(opn)
tmp_nodes.append(opn)
anlib.reset_selection()
# select nodes to copy
anlib.reset_selection()
anlib.select_nodes(nodes)
# create tmp nk file
# save file to the path
nuke.nodeCopy(path)
# Clean up
for tn in tmp_nodes:
nuke.delete(tn)
# restore original connections
# reconnect input node
for n, inputs in connections_in.items():
for i, input in inputs:
n.setInput(i, input)
# reconnect output node
for n, output in connections_out.items():
output.setInput(
next((i for i, d in enumerate(output.dependencies())
if d.name() in n.name()), 0), n)
if "representations" not in instance.data:
instance.data["representations"] = []
# create representation
representation = {
'name': 'nk',
'ext': 'nk',
'files': filename,
"stagingDir": stagingdir
}
instance.data["representations"].append(representation)
self.log.info("Extracted instance '{}' to: {}".format(
instance.name, path))
self.log.info("Data {}".format(
instance.data))