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221 | class NukeRenderLocal(publish.Extractor,
publish.ColormanagedPyblishPluginMixin):
"""Render the current Nuke composition locally.
Extract the result of savers by starting a comp render
This will run the local render of Nuke.
Allows to use last published frames and overwrite only specific ones
(set in instance.data.get("frames_to_fix"))
"""
order = pyblish.api.ExtractorOrder
label = "Render Local"
hosts = ["nuke"]
families = ["render.local", "prerender.local", "image.local"]
settings_category = "nuke"
def process(self, instance):
child_nodes = (
instance.data.get("transientData", {}).get("childNodes")
or instance
)
node = None
for x in child_nodes:
if x.Class() == "Write":
node = x
self.log.debug("instance collected: {}".format(instance.data))
node_product_name = instance.data.get("name", None)
first_frame = instance.data.get("frameStartHandle", None)
last_frame = instance.data.get("frameEndHandle", None)
filenames = []
node_file = node["file"]
# Collect expected filepaths for each frame
# - for cases that output is still image is first created set of
# paths which is then sorted and converted to list
expected_paths = list(sorted({
node_file.evaluate(frame)
for frame in range(first_frame, last_frame + 1)
}))
# Extract only filenames for representation
filenames.extend([
os.path.basename(filepath)
for filepath in expected_paths
])
# Ensure output directory exists.
out_dir = os.path.dirname(expected_paths[0])
if not os.path.exists(out_dir):
os.makedirs(out_dir)
frames_to_render = [(first_frame, last_frame)]
frames_to_fix = instance.data.get("frames_to_fix")
if instance.data.get("last_version_published_files") and frames_to_fix:
frames_to_render = self._get_frames_to_render(frames_to_fix)
anatomy = instance.context.data["anatomy"]
self._copy_last_published(anatomy, instance, out_dir,
filenames)
for render_first_frame, render_last_frame in frames_to_render:
self.log.info("Starting render")
self.log.info("Start frame: {}".format(render_first_frame))
self.log.info("End frame: {}".format(render_last_frame))
# Render frames
nuke.execute(
str(node_product_name),
int(render_first_frame),
int(render_last_frame)
)
# Determine defined file type
path = node["file"].value()
ext = os.path.splitext(path)[1].lstrip(".")
colorspace = napi.get_colorspace_from_node(node)
if "representations" not in instance.data:
instance.data["representations"] = []
if len(filenames) == 1:
repre = {
'name': ext,
'ext': ext,
'files': filenames[0],
"stagingDir": out_dir
}
else:
repre = {
'name': ext,
'ext': ext,
'frameStart': (
"{{:0>{}}}"
.format(len(str(last_frame)))
.format(first_frame)
),
'files': filenames,
"stagingDir": out_dir
}
# inject colorspace data
self.set_representation_colorspace(
repre, instance.context,
colorspace=colorspace
)
instance.data["representations"].append(repre)
self.log.debug("Extracted instance '{0}' to: {1}".format(
instance.name,
out_dir
))
families = instance.data["families"]
anatomy_data = instance.data["anatomyData"]
# redefinition of families
if "render.local" in families:
instance.data["family"] = "render"
instance.data["productType"] = "render"
families.remove("render.local")
families.insert(0, "render2d")
anatomy_data["family"] = "render"
anatomy_data["product"]["type"] = "render"
elif "prerender.local" in families:
instance.data["family"] = "prerender"
instance.data["productType"] = "prerender"
families.remove("prerender.local")
families.insert(0, "prerender")
anatomy_data["family"] = "prerender"
anatomy_data["product"]["type"] = "prerender"
elif "image.local" in families:
instance.data["family"] = "image"
instance.data["productType"] = "image"
families.remove("image.local")
anatomy_data["family"] = "image"
anatomy_data["product"]["type"] = "image"
instance.data["families"] = families
collections, remainder = clique.assemble(filenames)
self.log.debug('collections: {}'.format(str(collections)))
if collections:
collection = collections[0]
instance.data['collection'] = collection
self.log.info('Finished render')
self.log.debug("_ instance.data: {}".format(instance.data))
def _copy_last_published(self, anatomy, instance, out_dir,
expected_filenames):
"""Copies last published files to temporary out_dir.
These are base of files which will be extended/fixed for specific
frames.
Renames published file to expected file name based on frame, eg.
test_project_test_asset_product_v005.1001.exr > new_render.1001.exr
"""
last_published = instance.data["last_version_published_files"]
last_published_and_frames = collect_frames(last_published)
expected_and_frames = collect_frames(expected_filenames)
frames_and_expected = {v: k for k, v in expected_and_frames.items()}
for file_path, frame in last_published_and_frames.items():
file_path = anatomy.fill_root(file_path)
if not os.path.exists(file_path):
continue
target_file_name = frames_and_expected.get(frame)
if not target_file_name:
continue
out_path = os.path.join(out_dir, target_file_name)
self.log.debug("Copying '{}' -> '{}'".format(file_path, out_path))
shutil.copy(file_path, out_path)
# TODO shouldn't this be uncommented
# instance.context.data["cleanupFullPaths"].append(out_path)
def _get_frames_to_render(self, frames_to_fix):
"""Return list of frame range tuples to render
Args:
frames_to_fix (str): specific or range of frames to be rerendered
(1005, 1009-1010)
Returns:
(list): [(1005, 1005), (1009-1010)]
"""
frames_to_render = []
for frame_range in frames_to_fix.split(","):
if frame_range.isdigit():
render_first_frame = frame_range
render_last_frame = frame_range
elif '-' in frame_range:
frames = frame_range.split('-')
render_first_frame = int(frames[0])
render_last_frame = int(frames[1])
else:
raise ValueError("Wrong format of frames to fix {}"
.format(frames_to_fix))
frames_to_render.append((render_first_frame,
render_last_frame))
return frames_to_render
|