mirror of
https://github.com/ynput/ayon-core.git
synced 2025-12-24 21:04:40 +01:00
b40e1f5511
- `frameRate` to `fps` - `startFrame` to `frameStart` - `endFrame` to `frameEnd` - `fstart` to `frameStart` - `fend` to `frameEnd` - `handle_start` to `handleStart` - `handle_end` to `handleEnd` - `resolution_width` to `resolutionWidth` - `resolution_height` to `resolutionHeight` - `pixel_aspect` to `pixelAspect`
259 lines
8.7 KiB
Python
259 lines
8.7 KiB
Python
import os
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import contextlib
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from avalon import api
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import avalon.io as io
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@contextlib.contextmanager
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def preserve_inputs(tool, inputs):
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"""Preserve the tool's inputs after context"""
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comp = tool.Comp()
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values = {}
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for name in inputs:
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tool_input = getattr(tool, name)
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value = tool_input[comp.TIME_UNDEFINED]
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values[name] = value
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try:
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yield
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finally:
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for name, value in values.items():
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tool_input = getattr(tool, name)
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tool_input[comp.TIME_UNDEFINED] = value
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@contextlib.contextmanager
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def preserve_trim(loader, log=None):
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"""Preserve the relative trim of the Loader tool.
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This tries to preserve the loader's trim (trim in and trim out) after
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the context by reapplying the "amount" it trims on the clip's length at
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start and end.
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"""
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# Get original trim as amount of "trimming" from length
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time = loader.Comp().TIME_UNDEFINED
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length = loader.GetAttrs()["TOOLIT_Clip_Length"][1] - 1
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trim_from_start = loader["ClipTimeStart"][time]
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trim_from_end = length - loader["ClipTimeEnd"][time]
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try:
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yield
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finally:
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length = loader.GetAttrs()["TOOLIT_Clip_Length"][1] - 1
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if trim_from_start > length:
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trim_from_start = length
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if log:
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log.warning("Reducing trim in to %d "
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"(because of less frames)" % trim_from_start)
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remainder = length - trim_from_start
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if trim_from_end > remainder:
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trim_from_end = remainder
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if log:
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log.warning("Reducing trim in to %d "
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"(because of less frames)" % trim_from_end)
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loader["ClipTimeStart"][time] = trim_from_start
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loader["ClipTimeEnd"][time] = length - trim_from_end
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def loader_shift(loader, frame, relative=True):
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"""Shift global in time by i preserving duration
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This moves the loader by i frames preserving global duration. When relative
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is False it will shift the global in to the start frame.
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Args:
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loader (tool): The fusion loader tool.
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frame (int): The amount of frames to move.
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relative (bool): When True the shift is relative, else the shift will
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change the global in to frame.
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Returns:
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int: The resulting relative frame change (how much it moved)
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"""
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comp = loader.Comp()
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time = comp.TIME_UNDEFINED
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old_in = loader["GlobalIn"][time]
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old_out = loader["GlobalOut"][time]
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if relative:
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shift = frame
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else:
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shift = frame - old_in
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# Shifting global in will try to automatically compensate for the change
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# in the "ClipTimeStart" and "HoldFirstFrame" inputs, so we preserve those
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# input values to "just shift" the clip
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with preserve_inputs(loader, inputs=["ClipTimeStart",
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"ClipTimeEnd",
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"HoldFirstFrame",
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"HoldLastFrame"]):
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# GlobalIn cannot be set past GlobalOut or vice versa
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# so we must apply them in the order of the shift.
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if shift > 0:
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loader["GlobalOut"][time] = old_out + shift
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loader["GlobalIn"][time] = old_in + shift
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else:
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loader["GlobalIn"][time] = old_in + shift
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loader["GlobalOut"][time] = old_out + shift
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return int(shift)
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class FusionLoadSequence(api.Loader):
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"""Load image sequence into Fusion"""
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families = ["imagesequence"]
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representations = ["*"]
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label = "Load sequence"
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order = -10
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icon = "code-fork"
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color = "orange"
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def load(self, context, name, namespace, data):
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from avalon.fusion import (
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imprint_container,
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get_current_comp,
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comp_lock_and_undo_chunk
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)
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# Fallback to asset name when namespace is None
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if namespace is None:
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namespace = context['asset']['name']
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# Use the first file for now
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path = self._get_first_image(self.fname)
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# Create the Loader with the filename path set
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comp = get_current_comp()
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with comp_lock_and_undo_chunk(comp, "Create Loader"):
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args = (-32768, -32768)
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tool = comp.AddTool("Loader", *args)
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tool["Clip"] = path
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# Set global in point to start frame (if in version.data)
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start = context["version"]["data"].get("frameStart", None)
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if start is not None:
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loader_shift(tool, start, relative=False)
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imprint_container(tool,
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name=name,
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namespace=namespace,
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context=context,
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loader=self.__class__.__name__)
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def switch(self, container, representation):
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self.update(container, representation)
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def update(self, container, representation):
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"""Update the Loader's path
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Fusion automatically tries to reset some variables when changing
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the loader's path to a new file. These automatic changes are to its
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inputs:
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- ClipTimeStart: Fusion reset to 0 if duration changes
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- We keep the trim in as close as possible to the previous value.
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When there are less frames then the amount of trim we reduce
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it accordingly.
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- ClipTimeEnd: Fusion reset to 0 if duration changes
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- We keep the trim out as close as possible to the previous value
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within new amount of frames after trim in (ClipTimeStart) has
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been set.
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- GlobalIn: Fusion reset to comp's global in if duration changes
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- We change it to the "frameStart"
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- GlobalEnd: Fusion resets to globalIn + length if duration changes
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- We do the same like Fusion - allow fusion to take control.
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- HoldFirstFrame: Fusion resets this to 0
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- We preverse the value.
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- HoldLastFrame: Fusion resets this to 0
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- We preverse the value.
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- Reverse: Fusion resets to disabled if "Loop" is not enabled.
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- We preserve the value.
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- Depth: Fusion resets to "Format"
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- We preverse the value.
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- KeyCode: Fusion resets to ""
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- We preverse the value.
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- TimeCodeOffset: Fusion resets to 0
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- We preverse the value.
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"""
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from avalon.fusion import comp_lock_and_undo_chunk
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tool = container["_tool"]
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assert tool.ID == "Loader", "Must be Loader"
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comp = tool.Comp()
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root = api.get_representation_path(representation)
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path = self._get_first_image(root)
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# Get start frame from version data
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version = io.find_one({"type": "version",
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"_id": representation["parent"]})
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start = version["data"].get("frameStart")
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if start is None:
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self.log.warning("Missing start frame for updated version"
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"assuming starts at frame 0 for: "
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"{} ({})".format(tool.Name, representation))
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start = 0
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with comp_lock_and_undo_chunk(comp, "Update Loader"):
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# Update the loader's path whilst preserving some values
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with preserve_trim(tool, log=self.log):
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with preserve_inputs(tool,
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inputs=("HoldFirstFrame",
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"HoldLastFrame",
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"Reverse",
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"Depth",
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"KeyCode",
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"TimeCodeOffset")):
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tool["Clip"] = path
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# Set the global in to the start frame of the sequence
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global_in_changed = loader_shift(tool, start, relative=False)
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if global_in_changed:
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# Log this change to the user
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self.log.debug("Changed '%s' global in: %d" % (tool.Name,
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start))
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# Update the imprinted representation
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tool.SetData("avalon.representation", str(representation["_id"]))
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def remove(self, container):
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from avalon.fusion import comp_lock_and_undo_chunk
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tool = container["_tool"]
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assert tool.ID == "Loader", "Must be Loader"
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comp = tool.Comp()
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with comp_lock_and_undo_chunk(comp, "Remove Loader"):
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tool.Delete()
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def _get_first_image(self, root):
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"""Get first file in representation root"""
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files = sorted(os.listdir(root))
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return os.path.join(root, files[0])
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