ayon-core/pype/plugins/harmony/publish/extract_render.py
2020-05-26 12:02:20 +01:00

82 lines
2.3 KiB
Python

import os
import tempfile
import pyblish.api
from avalon import harmony
import pype.lib
import clique
class ExtractRender(pyblish.api.InstancePlugin):
"""Produce a flattened image file from instance.
This plug-in only takes into account the nodes connected to the composite.
"""
label = "Extract Render"
order = pyblish.api.ExtractorOrder
hosts = ["harmony"]
families = ["render"]
def process(self, instance):
# Collect scene data.
func = """function func(write_node)
{
return [
about.getApplicationPath(),
scene.currentProjectPath(),
scene.currentScene()
]
}
func
"""
result = harmony.send(
{"function": func, "args": [instance[0]]}
)["result"]
application_path = result[0]
project_path = result[1]
scene_path = os.path.join(result[1], result[2] + ".xstage")
# Set output path to temp folder.
path = tempfile.mkdtemp()
func = """function func(args)
{
node.setTextAttr(args[0], "DRAWING_NAME", 1, args[1]);
scene.saveAll();
}
func
"""
result = harmony.send(
{
"function": func,
"args": [instance[0], path + "/" + instance.data["name"]]
}
)
# Execute rendering.
output = pype.lib._subprocess([application_path, "-batch", scene_path])
self.log.info(output)
# Collect rendered files.
files = os.listdir(path)
collections, remainder = clique.assemble(files, minimum_items=1)
assert not remainder, (
"There shouldn't have been a remainder for '%s': "
"%s" % (instance[0], remainder)
)
assert len(collections) == 1, (
"There should only be one image sequence in {}. Found: {}".format(
path, len(collections)
)
)
extension = os.path.splitext(list(collections[0])[0])[-1][1:]
representation = {
"name": extension,
"ext": extension,
"files": list(collections[0]),
"stagingDir": path,
}
instance.data["representations"] = [representation]
self.log.info("Extracted {instance} to {path}".format(**locals()))