mirror of
https://github.com/Stone-Red-Code/dvc.git
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441 lines
13 KiB
Python
441 lines
13 KiB
Python
import io
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import os
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import pytest
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from dvc.cli import main
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from dvc.commands.experiments.init import CmdExperimentsInit
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from dvc.repo.experiments.init import init
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from dvc.stage.exceptions import DuplicateStageName
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# the tests may hang on prompts on failure
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pytestmark = pytest.mark.timeout(3, func_only=True)
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@pytest.mark.timeout(5, func_only=True)
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def test_init_simple(tmp_dir, scm, dvc, capsys):
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tmp_dir.gen(
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{
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CmdExperimentsInit.CODE: {"copy.py": ""},
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"data": "data",
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"params.yaml": '{"foo": 1}',
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"dvclive": {},
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"plots": {},
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}
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)
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code_path = os.path.join(CmdExperimentsInit.CODE, "copy.py")
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script = f"python {code_path}"
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capsys.readouterr()
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assert main(["exp", "init", script]) == 0
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out, err = capsys.readouterr()
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assert not err
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assert "Created train stage in dvc.yaml" in out
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": script,
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"deps": ["data", "src"],
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"metrics": [{"metrics.json": {"cache": False}}],
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"outs": ["models"],
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"params": ["foo"],
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"plots": [{"plots": {"cache": False}}],
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}
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}
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}
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assert (tmp_dir / "data").read_text() == "data"
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assert (tmp_dir / "src").is_dir()
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@pytest.mark.parametrize("interactive", [True, False])
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def test_when_stage_already_exists_with_same_name(tmp_dir, dvc, interactive):
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(tmp_dir / "dvc.yaml").dump({"stages": {"train": {"cmd": "test"}}})
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with pytest.raises(DuplicateStageName) as exc:
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init(
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dvc,
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interactive=interactive,
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overrides={"cmd": "true"},
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defaults=CmdExperimentsInit.DEFAULTS,
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)
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assert (
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str(exc.value) == "Stage 'train' already exists in 'dvc.yaml'. "
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"Use '--force' to overwrite."
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)
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def test_when_stage_force_if_already_exists(tmp_dir, dvc):
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(tmp_dir / "params.yaml").dump({"foo": 1})
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(tmp_dir / "dvc.yaml").dump({"stages": {"train": {"cmd": "test"}}})
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init(
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dvc,
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force=True,
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overrides={"cmd": "true"},
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defaults=CmdExperimentsInit.DEFAULTS,
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)
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d = (tmp_dir / "dvc.yaml").parse()
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assert d["stages"]["train"]["cmd"] == "true"
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def test_with_a_custom_name(tmp_dir, dvc):
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init(dvc, name="custom", overrides={"cmd": "cmd"})
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {"custom": {"cmd": "cmd"}}
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}
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def test_init_with_no_defaults_non_interactive(tmp_dir, scm, dvc):
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init(dvc, defaults={}, overrides={"cmd": "python script.py"})
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {"train": {"cmd": "python script.py"}}
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}
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scm._reset()
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assert not (tmp_dir / "dvc.lock").exists()
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assert scm.is_tracked("dvc.yaml")
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@pytest.mark.parametrize(
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"extra_overrides, inp",
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[
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({"cmd": "cmd"}, io.StringIO()),
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({}, io.StringIO("cmd")),
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],
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)
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def test_init_interactive_when_no_path_prompts_need_to_be_asked(
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tmp_dir, dvc, extra_overrides, inp
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):
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"""When we pass everything that's required of, it should not prompt us."""
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(tmp_dir / "params.yaml").dump({"foo": 1})
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init(
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dvc,
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interactive=True,
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defaults=CmdExperimentsInit.DEFAULTS,
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overrides={**CmdExperimentsInit.DEFAULTS, **extra_overrides},
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stream=inp, # we still need to confirm
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "cmd",
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"deps": ["data", "src"],
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"live": {"dvclive": {"html": True, "summary": True}},
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"metrics": [{"metrics.json": {"cache": False}}],
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# we specify `live` through `overrides`,
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# so it creates checkpoint-based output.
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"outs": [{"models": {"checkpoint": True}}],
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"params": ["foo"],
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"plots": [{"plots": {"cache": False}}],
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}
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}
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}
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assert (tmp_dir / "src").is_dir()
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assert (tmp_dir / "data").is_dir()
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def test_when_params_is_omitted_in_interactive_mode(tmp_dir, scm, dvc):
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(tmp_dir / "params.yaml").dump({"foo": 1})
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inp = io.StringIO("python script.py\nscript.py\ndata\nmodels\nn")
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init(
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dvc, interactive=True, stream=inp, defaults=CmdExperimentsInit.DEFAULTS
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "python script.py",
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"deps": ["data", "script.py"],
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"metrics": [{"metrics.json": {"cache": False}}],
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"outs": ["models"],
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"plots": [{"plots": {"cache": False}}],
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}
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}
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}
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assert not (tmp_dir / "dvc.lock").exists()
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assert (tmp_dir / "script.py").read_text() == ""
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assert (tmp_dir / "data").is_dir()
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scm._reset()
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assert scm.is_tracked("dvc.yaml")
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assert not scm.is_tracked("params.yaml")
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assert scm.is_tracked(".gitignore")
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assert scm.is_ignored("models")
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def test_init_interactive_params_validation(tmp_dir, dvc, capsys):
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tmp_dir.gen({"data": {"foo": "foo"}})
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(tmp_dir / "params.yaml").dump({"foo": 1})
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inp = io.StringIO(
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"python script.py\nscript.py\ndata\nmodels\nparams.json\ndata\n"
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)
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init(
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dvc, stream=inp, interactive=True, defaults=CmdExperimentsInit.DEFAULTS
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "python script.py",
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"deps": ["data", "script.py"],
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"metrics": [{"metrics.json": {"cache": False}}],
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"outs": ["models"],
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"params": ["foo"],
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"plots": [{"plots": {"cache": False}}],
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}
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}
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}
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assert (tmp_dir / "script.py").read_text() == ""
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assert (tmp_dir / "data").is_dir()
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out, err = capsys.readouterr()
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assert (
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"Path to a parameters file [params.yaml, n to omit]: "
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"'params.json' does not exist. "
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"Please retry with an existing parameters file.\n"
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"Path to a parameters file [params.yaml, n to omit]: "
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"'data' is a directory. "
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"Please retry with an existing parameters file.\n"
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"Path to a parameters file [params.yaml, n to omit]:"
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) in err
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assert "Created script.py." in out
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def test_init_with_no_defaults_interactive(tmp_dir, dvc):
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inp = io.StringIO("script.py\n" "data\n" "model\n" "n\n" "metric\n" "n\n")
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init(
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dvc,
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defaults={},
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overrides={"cmd": "python script.py"},
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interactive=True,
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stream=inp,
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "python script.py",
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"deps": ["data", "script.py"],
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"metrics": [{"metric": {"cache": False}}],
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"outs": ["model"],
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}
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}
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}
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assert (tmp_dir / "script.py").read_text() == ""
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assert (tmp_dir / "data").is_dir()
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@pytest.mark.parametrize(
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"interactive, overrides, inp",
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[
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(False, {"cmd": "python script.py", "code": "script.py"}, None),
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(
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True,
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{},
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io.StringIO(
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"python script.py\n"
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"script.py\n"
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"data\n"
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"models\n"
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"params.yaml\n"
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"metrics.json\n"
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"plots\n"
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"y"
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),
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),
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],
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ids=["non-interactive", "interactive"],
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)
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def test_init_default(tmp_dir, scm, dvc, interactive, overrides, inp, capsys):
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(tmp_dir / "params.yaml").dump({"foo": {"bar": 1}})
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init(
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dvc,
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interactive=interactive,
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defaults=CmdExperimentsInit.DEFAULTS,
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overrides=overrides,
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stream=inp,
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "python script.py",
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"deps": ["data", "script.py"],
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"metrics": [{"metrics.json": {"cache": False}}],
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"outs": ["models"],
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"params": ["foo"],
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"plots": [{"plots": {"cache": False}}],
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}
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}
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}
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assert not (tmp_dir / "dvc.lock").exists()
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assert (tmp_dir / "script.py").read_text() == ""
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assert (tmp_dir / "data").is_dir()
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scm._reset()
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assert scm.is_tracked("dvc.yaml")
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assert scm.is_tracked("params.yaml")
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assert scm.is_tracked(".gitignore")
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assert scm.is_ignored("models")
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out, err = capsys.readouterr()
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if interactive:
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assert "'script.py' does not exist, the file will be created." in err
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assert "'data' does not exist, the directory will be created." in err
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assert "Using experiment project structure:" in out
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assert "Created script.py and data" in out
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@pytest.mark.timeout(5, func_only=True)
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@pytest.mark.parametrize(
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"interactive, overrides, inp",
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[
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(False, {"cmd": "python script.py", "code": "script.py"}, None),
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(
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True,
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{},
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io.StringIO(
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"python script.py\n"
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"script.py\n"
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"data\n"
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"models\n"
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"params.yaml\n"
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"dvclive\n"
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"y"
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),
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),
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(
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True,
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{"cmd": "python script.py"},
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io.StringIO(
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"script.py\n"
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"data\n"
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"models\n"
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"params.yaml\n"
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"dvclive\n"
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"y"
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),
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),
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(
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True,
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{"cmd": "python script.py", "models": "models"},
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io.StringIO("script.py\ndata\nparams.yaml\ndvclive\ny"),
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),
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],
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ids=[
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"non-interactive",
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"interactive",
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"interactive-cmd-provided",
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"interactive-cmd-models-provided",
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],
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)
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def test_init_interactive_live(
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tmp_dir, scm, dvc, interactive, overrides, inp, capsys
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):
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(tmp_dir / "params.yaml").dump({"foo": {"bar": 1}})
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init(
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dvc,
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type="dl",
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interactive=interactive,
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defaults=CmdExperimentsInit.DEFAULTS,
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overrides=overrides,
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stream=inp,
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "python script.py",
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"deps": ["data", "script.py"],
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"live": {"dvclive": {"html": True, "summary": True}},
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"outs": [{"models": {"checkpoint": True}}],
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"params": ["foo"],
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}
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}
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}
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assert not (tmp_dir / "dvc.lock").exists()
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assert (tmp_dir / "script.py").read_text() == ""
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assert (tmp_dir / "data").is_dir()
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scm._reset()
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assert scm.is_tracked("dvc.yaml")
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assert scm.is_tracked("params.yaml")
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assert scm.is_tracked(".gitignore")
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assert scm.is_ignored("models")
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out, err = capsys.readouterr()
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if interactive:
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assert "'script.py' does not exist, the file will be created." in err
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assert "'data' does not exist, the directory will be created." in err
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assert "Using experiment project structure:" in out
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assert "Created script.py and data" in out
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@pytest.mark.parametrize(
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"interactive, inp",
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[
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(False, None),
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(True, io.StringIO()),
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],
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)
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def test_init_with_type_live_and_models_plots_provided(
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tmp_dir, dvc, interactive, inp
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):
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(tmp_dir / "params.yaml").dump({"foo": 1})
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init(
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dvc,
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type="dl",
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interactive=interactive,
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stream=inp,
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defaults=CmdExperimentsInit.DEFAULTS,
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overrides={"cmd": "cmd", "metrics": "m", "plots": "p"},
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "cmd",
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"deps": ["data", "src"],
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"live": {"dvclive": {"html": True, "summary": True}},
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"metrics": [{"m": {"cache": False}}],
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"outs": [{"models": {"checkpoint": True}}],
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"params": ["foo"],
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"plots": [{"p": {"cache": False}}],
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}
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}
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}
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assert (tmp_dir / "src").is_dir()
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assert (tmp_dir / "data").is_dir()
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@pytest.mark.parametrize(
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"interactive, inp",
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[
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(False, None),
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(True, io.StringIO()),
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],
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)
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def test_init_with_type_default_and_live_provided(
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tmp_dir, dvc, interactive, inp
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):
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(tmp_dir / "params.yaml").dump({"foo": 1})
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init(
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dvc,
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interactive=interactive,
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stream=inp,
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defaults=CmdExperimentsInit.DEFAULTS,
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overrides={"cmd": "cmd", "live": "live"},
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)
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assert (tmp_dir / "dvc.yaml").parse() == {
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"stages": {
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"train": {
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"cmd": "cmd",
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"deps": ["data", "src"],
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"live": {"live": {"html": True, "summary": True}},
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"metrics": [{"metrics.json": {"cache": False}}],
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"outs": [{"models": {"checkpoint": True}}],
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"params": ["foo"],
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"plots": [{"plots": {"cache": False}}],
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}
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}
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}
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assert (tmp_dir / "src").is_dir()
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assert (tmp_dir / "data").is_dir()
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