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https://github.com/huggingface/lerobot.git
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Pepijn
62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
# Copyright 2026 The HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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from types import SimpleNamespace
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import numpy as np
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from lerobot.utils.video_annotation import annotate_frame
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def test_overlay_draws_each_label_once(monkeypatch):
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put_text_calls = []
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rectangle_calls = []
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def put_text(image, text, origin, font, scale, color, thickness, line_type):
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put_text_calls.append((text, color, thickness))
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return image
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def rectangle(image, start, end, color, thickness):
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rectangle_calls.append((start, end, color, thickness))
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return image
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def add_weighted(src1, alpha, src2, beta, gamma, *, dst):
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dst[:] = src1 * alpha + src2 * beta + gamma
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return dst
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fake_cv2 = SimpleNamespace(
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FONT_HERSHEY_SIMPLEX=0,
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LINE_AA=16,
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getTextSize=lambda text, font, scale, thickness: ((len(text) * 7, 10), 0),
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putText=put_text,
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rectangle=rectangle,
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addWeighted=add_weighted,
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)
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monkeypatch.setitem(sys.modules, "cv2", fake_cv2)
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frame = np.full((120, 480, 3), 200, dtype=np.uint8)
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annotated = annotate_frame(
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frame,
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(("Task", "close the fridge"), ("Subtask", "reach for the handle"), ("Memory", None)),
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)
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assert [call[0] for call in put_text_calls] == [
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"Task: close the fridge",
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"Subtask: reach for the handle",
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]
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assert all(color == (255, 255, 255) and thickness == 1 for _, color, thickness in put_text_calls)
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assert len(rectangle_calls) == 1
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assert not np.shares_memory(annotated, frame)
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