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# Copyright (c) Facebook, Inc. and its affiliates.
import logging
import unittest
from detectron2 import model_zoo
from detectron2.config import instantiate
from detectron2.modeling import FPN, GeneralizedRCNN
logger = logging.getLogger(__name__)
class TestModelZoo(unittest.TestCase):
def test_get_returns_model(self):
model = model_zoo.get("Misc/scratch_mask_rcnn_R_50_FPN_3x_gn.yaml", trained=False)
self.assertIsInstance(model, GeneralizedRCNN)
self.assertIsInstance(model.backbone, FPN)
def test_get_invalid_model(self):
self.assertRaises(RuntimeError, model_zoo.get, "Invalid/config.yaml")
def test_get_url(self):
url = model_zoo.get_checkpoint_url("Misc/scratch_mask_rcnn_R_50_FPN_3x_gn.yaml")
self.assertEqual(
url,
"https://dl.fbaipublicfiles.com/detectron2/Misc/scratch_mask_rcnn_R_50_FPN_3x_gn/138602908/model_final_01ca85.pkl", # noqa
)
url2 = model_zoo.get_checkpoint_url("Misc/scratch_mask_rcnn_R_50_FPN_3x_gn.py")
self.assertEqual(url, url2)
def _build_lazy_model(self, name):
cfg = model_zoo.get_config("common/models/" + name)
instantiate(cfg.model)
def test_mask_rcnn_fpn(self):
self._build_lazy_model("mask_rcnn_fpn.py")
def test_mask_rcnn_c4(self):
self._build_lazy_model("mask_rcnn_c4.py")
def test_panoptic_fpn(self):
self._build_lazy_model("panoptic_fpn.py")
def test_schedule(self):
cfg = model_zoo.get_config("common/coco_schedule.py")
for _, v in cfg.items():
instantiate(v)
if __name__ == "__main__":
unittest.main()
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