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import os |
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import unittest |
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import tempfile |
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from itertools import count |
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from detectron2.config import LazyConfig, LazyCall as L |
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from omegaconf import DictConfig |
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class TestLazyPythonConfig(unittest.TestCase): |
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def setUp(self): |
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self.root_filename = os.path.join(os.path.dirname(__file__), "root_cfg.py") |
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def test_load(self): |
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cfg = LazyConfig.load(self.root_filename) |
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self.assertEqual(cfg.dir1a_dict.a, "modified") |
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self.assertEqual(cfg.dir1b_dict.a, 1) |
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self.assertEqual(cfg.lazyobj.x, "base_a_1") |
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cfg.lazyobj.x = "new_x" |
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cfg = LazyConfig.load(self.root_filename) |
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self.assertEqual(cfg.lazyobj.x, "base_a_1") |
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def test_save_load(self): |
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cfg = LazyConfig.load(self.root_filename) |
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with tempfile.TemporaryDirectory(prefix="detectron2") as d: |
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fname = os.path.join(d, "test_config.yaml") |
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LazyConfig.save(cfg, fname) |
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cfg2 = LazyConfig.load(fname) |
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self.assertEqual(cfg2.lazyobj._target_, "itertools.count") |
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self.assertEqual(cfg.lazyobj._target_, count) |
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cfg2.lazyobj.pop("_target_") |
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cfg.lazyobj.pop("_target_") |
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self.assertEqual(cfg, cfg2) |
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def test_failed_save(self): |
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cfg = DictConfig({"x": lambda: 3}, flags={"allow_objects": True}) |
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with tempfile.TemporaryDirectory(prefix="detectron2") as d: |
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fname = os.path.join(d, "test_config.yaml") |
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LazyConfig.save(cfg, fname) |
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self.assertTrue(os.path.exists(fname)) |
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self.assertTrue(os.path.exists(fname + ".pkl")) |
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def test_overrides(self): |
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cfg = LazyConfig.load(self.root_filename) |
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LazyConfig.apply_overrides(cfg, ["lazyobj.x=123", 'dir1b_dict.a="123"']) |
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self.assertEqual(cfg.dir1b_dict.a, "123") |
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self.assertEqual(cfg.lazyobj.x, 123) |
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def test_invalid_overrides(self): |
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cfg = LazyConfig.load(self.root_filename) |
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with self.assertRaises(KeyError): |
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LazyConfig.apply_overrides(cfg, ["lazyobj.x.xxx=123"]) |
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def test_to_py(self): |
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cfg = LazyConfig.load(self.root_filename) |
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cfg.lazyobj.x = {"a": 1, "b": 2, "c": L(count)(x={"r": "a", "s": 2.4, "t": [1, 2, 3, "z"]})} |
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cfg.list = ["a", 1, "b", 3.2] |
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py_str = LazyConfig.to_py(cfg) |
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expected = """cfg.dir1a_dict.a = "modified" |
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cfg.dir1a_dict.b = 2 |
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cfg.dir1b_dict.a = 1 |
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cfg.dir1b_dict.b = 2 |
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cfg.lazyobj = itertools.count( |
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x={ |
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"a": 1, |
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"b": 2, |
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"c": itertools.count(x={"r": "a", "s": 2.4, "t": [1, 2, 3, "z"]}), |
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}, |
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y="base_a_1_from_b", |
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) |
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cfg.list = ["a", 1, "b", 3.2] |
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""" |
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self.assertEqual(py_str, expected) |
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