#636 - PS created loader to load reference frame from 'render' sequence

Loader cannot do containerization for now as updates would be too difficult. (Customer doesn't mind.)

openpype/hosts/photoshop/plugins/load/load_image_from_sequence.py

@@ -0,0 +1,90 @@
+import os
+from avalon import photoshop
+from avalon.vendor import qargparse
+
+from openpype.hosts.photoshop.plugins.load.load_image import ImageLoader
+
+stub = photoshop.stub()
+
+
+class ImageFromSequenceLoader(ImageLoader):
+ """ Load specifing image from sequence
+
+ Used only as quick load of reference file from a sequence.
+
+ Plain ImageLoader picks first frame from sequence.
+
+ Loads only existing files - currently not possible to limit loaders
+ to single select - multiselect. If user selects multiple repres, list
+ for all of them is provided, but selection is only single file.
+ This loader will be triggered multiple times, but selected name will
+ match only to proper path.
+
+ Loader doesnt do containerization as there is currently no data model
+ of 'frame of rendered files' (only rendered sequence), update would be
+ difficult.
+ """
+
+ families = ["render"]
+ representations = ["*"]
+ options = []
+
+ def load(self, context, name=None, namespace=None, data=None):
+ if data.get("frame"):
+ self.fname = os.path.join(os.path.dirname(self.fname),
+ data["frame"])
+ if not os.path.exists(self.fname):
+ return
+
+ layer_name = self._get_unique_layer_name(context["asset"]["name"],
+ name)
+ with photoshop.maintained_selection():
+ layer = stub.import_smart_object(self.fname, layer_name)
+
+ self[:] = [layer]
+ namespace = namespace or layer_name
+
+ return namespace
+
+ @classmethod
+ def get_options(cls, repre_contexts):
+ """
+ Returns list of files for selected 'repre_contexts'.
+
+ It returns only files with same extension as in context as it is
+ expected that context points to sequence of frames.
+
+ Returns:
+ (list) of qargparse.Choice
+ """
+ files = []
+ for context in repre_contexts:
+ fname = ImageLoader.filepath_from_context(context)
+ _, file_extension = os.path.splitext(fname)
+
+ for file_name in os.listdir(os.path.dirname(fname)):
+ if not file_name.endswith(file_extension):
+ continue
+ files.append(file_name)
+
+ # return selection only if there is something
+ if not files or len(files) <= 1:
+ return []
+
+ return [
+ qargparse.Choice(
+ "frame",
+ label="Select specific file",
+ items=files,
+ default=0,
+ help="Which frame should be loaded?"
+ )
+ ]
+
+ def update(self, container, representation):
+ """No update possible, not containerized."""
+ pass
+
+ def remove(self, container):
+ """No update possible, not containerized."""
+ pass