eliminate redundant literal conversion for Iterator[JSON] type

flytekit/clis/sdk_in_container/run.py

@@ -7,11 +7,12 @@
 import tempfile
 import typing
 from dataclasses import dataclass, field, fields
-from typing import get_args
+from typing import Iterator, get_args
 
 import rich_click as click
 from mashumaro.codecs.json import JSONEncoder
 from rich.progress import Progress
+from typing_extensions import get_origin
 
 from flytekit import Annotations, FlyteContext, FlyteContextManager, Labels, Literal
 from flytekit.clis.sdk_in_container.helpers import patch_image_config
@@ -538,10 +539,21 @@ def _run(*args, **kwargs):
             for input_name, v in entity.python_interface.inputs_with_defaults.items():
                 processed_click_value = kwargs.get(input_name)
                 optional_v = False
+
+                skip_default_value_selection = False
                 if processed_click_value is None and isinstance(v, typing.Tuple):
-                    optional_v = is_optional(v[0])
-                    if len(v) == 2:
-                        processed_click_value = v[1]
+                    if entity_type == "workflow" and hasattr(v[0], "__args__"):
+                        origin_base_type = get_origin(v[0])
+                        if inspect.isclass(origin_base_type) and issubclass(origin_base_type, Iterator):  # Iterator
+                            args = getattr(v[0], "__args__")
+                            if isinstance(args, tuple) and get_origin(args[0]) is typing.Union:  # Iterator[JSON]
+                                logger.debug(f"Detected Iterator[JSON] in {entity.name} input annotations...")
+                                skip_default_value_selection = True
+
+                    if not skip_default_value_selection:
+                        optional_v = is_optional(v[0])
+                        if len(v) == 2:
+                            processed_click_value = v[1]
                 if isinstance(processed_click_value, ArtifactQuery):
                     if run_level_params.is_remote:
                         click.secho(

tests/flytekit/unit/cli/pyflyte/test_run.py

@@ -9,19 +9,34 @@
 import pytest
 import yaml
 from click.testing import CliRunner
+from flytekit.loggers import logging, logger
 
 from flytekit.clis.sdk_in_container import pyflyte
-from flytekit.clis.sdk_in_container.run import RunLevelParams, get_entities_in_file, run_command
+from flytekit.clis.sdk_in_container.run import (
+    RunLevelParams,
+    get_entities_in_file,
+    run_command,
+)
 from flytekit.configuration import Config, Image, ImageConfig
 from flytekit.core.task import task
-from flytekit.image_spec.image_spec import ImageBuildEngine, ImageSpec, calculate_hash_from_image_spec
+from flytekit.image_spec.image_spec import (
+    ImageBuildEngine,
+    ImageSpec,
+    calculate_hash_from_image_spec,
+)
 from flytekit.interaction.click_types import DirParamType, FileParamType
 from flytekit.remote import FlyteRemote
+from typing import Iterator
+from flytekit.types.iterator import JSON
+from flytekit import workflow
+
 
 pytest.importorskip("pandas")
 
 REMOTE_WORKFLOW_FILE = "https://raw.githubusercontent.com/flyteorg/flytesnacks/8337b64b33df046b2f6e4cba03c74b7bdc0c4fb1/cookbook/core/flyte_basics/basic_workflow.py"
-IMPERATIVE_WORKFLOW_FILE = os.path.join(os.path.dirname(os.path.realpath(__file__)), "imperative_wf.py")
+IMPERATIVE_WORKFLOW_FILE = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)), "imperative_wf.py"
+)
 DIR_NAME = os.path.dirname(os.path.realpath(__file__))
 
 
@@ -46,7 +61,9 @@ def workflow_file(request, tmp_path_factory):
 @pytest.fixture
 def remote():
     with mock.patch("flytekit.clients.friendly.SynchronousFlyteClient") as mock_client:
-        flyte_remote = FlyteRemote(config=Config.auto(), default_project="p1", default_domain="d1")
+        flyte_remote = FlyteRemote(
+            config=Config.auto(), default_project="p1", default_domain="d1"
+        )
         flyte_remote._client = mock_client
         return flyte_remote
 
@@ -70,7 +87,9 @@ def test_pyflyte_run_wf(remote, remote_flag, workflow_file):
     with mock.patch("flytekit.configuration.plugin.FlyteRemote"):
         runner = CliRunner()
         result = runner.invoke(
-            pyflyte.main, ["run", remote_flag, workflow_file, "my_wf", "--help"], catch_exceptions=False
+            pyflyte.main,
+            ["run", remote_flag, workflow_file, "my_wf", "--help"],
+            catch_exceptions=False,
         )
 
         assert result.exit_code == 0
@@ -81,7 +100,9 @@ def test_pyflyte_run_with_labels():
     with mock.patch("flytekit.configuration.plugin.FlyteRemote"):
         runner = CliRunner()
         result = runner.invoke(
-            pyflyte.main, ["run", "--remote",  str(workflow_file), "my_wf", "--help"], catch_exceptions=False
+            pyflyte.main,
+            ["run", "--remote", str(workflow_file), "my_wf", "--help"],
+            catch_exceptions=False,
         )
         assert result.exit_code == 0
 
@@ -100,7 +121,16 @@ def test_copy_all_files():
     runner = CliRunner()
     result = runner.invoke(
         pyflyte.main,
-        ["run", "--copy-all", IMPERATIVE_WORKFLOW_FILE, "wf", "--in1", "hello", "--in2", "world"],
+        [
+            "run",
+            "--copy-all",
+            IMPERATIVE_WORKFLOW_FILE,
+            "wf",
+            "--in1",
+            "hello",
+            "--in2",
+            "world",
+        ],
         catch_exceptions=False,
     )
     assert result.exit_code == 0
@@ -176,7 +206,13 @@ def test_pyflyte_run_cli(workflow_file):
 
 @pytest.mark.parametrize(
     "input",
-    ["1", os.path.join(DIR_NAME, "testdata/df.parquet"), '{"x":1.0, "y":2.0}', "2020-05-01", "RED"],
+    [
+        "1",
+        os.path.join(DIR_NAME, "testdata/df.parquet"),
+        '{"x":1.0, "y":2.0}',
+        "2020-05-01",
+        "RED",
+    ],
 )
 def test_union_type1(input):
     runner = CliRunner()
@@ -300,7 +336,10 @@ def test_nested_workflow(working_dir, wf_path, monkeypatch: pytest.MonkeyPatch):
         ],
         catch_exceptions=False,
     )
-    assert result.stdout.strip() == "Running Execution on local.\nRunning Execution on local."
+    assert (
+        result.stdout.strip()
+        == "Running Execution on local.\nRunning Execution on local."
+    )
     assert result.exit_code == 0
 
 
@@ -325,12 +364,18 @@ def test_list_default_arguments(wf_path):
 
 # default case, what comes from click if no image is specified, the click param is configured to use the default.
 ic_result_1 = ImageConfig(
-    default_image=Image(name="default", fqn="ghcr.io/flyteorg/mydefault", tag="py3.9-latest"),
-    images=[Image(name="default", fqn="ghcr.io/flyteorg/mydefault", tag="py3.9-latest")],
+    default_image=Image(
+        name="default", fqn="ghcr.io/flyteorg/mydefault", tag="py3.9-latest"
+    ),
+    images=[
+        Image(name="default", fqn="ghcr.io/flyteorg/mydefault", tag="py3.9-latest")
+    ],
 )
 # test that command line args are merged with the file
 ic_result_2 = ImageConfig(
-    default_image=Image(name="default", fqn="cr.flyte.org/flyteorg/flytekit", tag="py3.9-latest"),
+    default_image=Image(
+        name="default", fqn="cr.flyte.org/flyteorg/flytekit", tag="py3.9-latest"
+    ),
     images=[
         Image(name="default", fqn="cr.flyte.org/flyteorg/flytekit", tag="py3.9-latest"),
         Image(name="asdf", fqn="ghcr.io/asdf/asdf", tag="latest"),
@@ -345,7 +390,9 @@ def test_list_default_arguments(wf_path):
 )
 # test that command line args override the file
 ic_result_3 = ImageConfig(
-    default_image=Image(name="default", fqn="cr.flyte.org/flyteorg/flytekit", tag="py3.9-latest"),
+    default_image=Image(
+        name="default", fqn="cr.flyte.org/flyteorg/flytekit", tag="py3.9-latest"
+    ),
     images=[
         Image(name="default", fqn="cr.flyte.org/flyteorg/flytekit", tag="py3.9-latest"),
         Image(name="xyz", fqn="ghcr.io/asdf/asdf", tag="latest"),
@@ -395,21 +442,29 @@ def test_list_default_arguments(wf_path):
     reason="Github macos-latest image does not have docker installed as per https://github.com/orgs/community/discussions/25777",
 )
 def test_pyflyte_run_run(
-    mock_image, image_string, leaf_configuration_file_name, final_image_config, mock_image_spec_builder
+    mock_image,
+    image_string,
+    leaf_configuration_file_name,
+    final_image_config,
+    mock_image_spec_builder,
 ):
     mock_image.return_value = "cr.flyte.org/flyteorg/flytekit:py3.9-latest"
     ImageBuildEngine.register("test", mock_image_spec_builder)
 
     @task
-    def tk():
-        ...
+    def tk(): ...
 
     mock_click_ctx = mock.MagicMock()
     mock_remote = mock.MagicMock()
     image_tuple = (image_string,)
     image_config = ImageConfig.validate_image(None, "", image_tuple)
 
-    pp = pathlib.Path(__file__).parent.parent.parent / "configuration" / "configs" / leaf_configuration_file_name
+    pp = (
+        pathlib.Path(__file__).parent.parent.parent
+        / "configuration"
+        / "configs"
+        / leaf_configuration_file_name
+    )
 
     obj = RunLevelParams(
         project="p",
@@ -429,6 +484,125 @@ def check_image(*args, **kwargs):
     run_command(mock_click_ctx, tk)()
 
 
+def jsons():
+    for x in [
+        {
+            "custom_id": "request-1",
+            "method": "POST",
+            "url": "/v1/chat/completions",
+            "body": {
+                "model": "gpt-3.5-turbo",
+                "messages": [
+                    {"role": "system", "content": "You are a helpful assistant."},
+                    {"role": "user", "content": "What is 2+2?"},
+                ],
+            },
+        },
+    ]:
+        yield x
+
+
+@mock.patch("flytekit.configuration.default_images.DefaultImages.default_image")
+def test_pyflyte_run_with_iterator_json_type(
+    mock_image, mock_image_spec_builder, caplog
+):
+    mock_image.return_value = "cr.flyte.org/flyteorg/flytekit:py3.9-latest"
+    ImageBuildEngine.register(
+        "test",
+        mock_image_spec_builder,
+    )
+
+    @task
+    def t1(x: Iterator[JSON]) -> Iterator[JSON]:
+        return x
+
+    @workflow
+    def tk(x: Iterator[JSON] = jsons()) -> Iterator[JSON]:
+        return t1(x=x)
+
+    @task
+    def t2(x: list[int]) -> list[int]:
+        return x
+
+    @workflow
+    def tk_list(x: list[int] = [1, 2, 3]) -> list[int]:
+        return t2(x=x)
+
+    @task
+    def t3(x: Iterator[int]) -> Iterator[int]:
+        return x
+
+    @workflow
+    def tk_simple_iterator(x: Iterator[int] = iter([1, 2, 3])) -> Iterator[int]:
+        return t3(x=x)
+
+    mock_click_ctx = mock.MagicMock()
+    mock_remote = mock.MagicMock()
+    image_tuple = ("ghcr.io/flyteorg/mydefault:py3.9-latest",)
+    image_config = ImageConfig.validate_image(None, "", image_tuple)
+
+    pp = (
+        pathlib.Path(__file__).parent.parent.parent
+        / "configuration"
+        / "configs"
+        / "no_images.yaml"
+    )
+
+    obj = RunLevelParams(
+        project="p",
+        domain="d",
+        image_config=image_config,
+        remote=True,
+        config_file=str(pp),
+    )
+    obj._remote = mock_remote
+    mock_click_ctx.obj = obj
+
+    def check_image(*args, **kwargs):
+        assert kwargs["image_config"] == ic_result_1
+
+    mock_remote.register_script.side_effect = check_image
+
+    logger.propagate = True
+    with caplog.at_level(logging.DEBUG, logger="flytekit"):
+        run_command(mock_click_ctx, tk)()
+        assert any(
+            "Detected Iterator[JSON] in pyflyte.test_run.tk input annotations..."
+            in message[2]
+            for message in caplog.record_tuples
+        )
+
+    caplog.clear()
+
+    with caplog.at_level(logging.DEBUG, logger="flytekit"):
+        run_command(mock_click_ctx, tk_list)()
+        assert not any(
+            "Detected Iterator[JSON] in pyflyte.test_run.tk_list input annotations..."
+            in message[2]
+            for message in caplog.record_tuples
+        )
+
+    caplog.clear()
+
+    with caplog.at_level(logging.DEBUG, logger="flytekit"):
+        run_command(mock_click_ctx, t1)()
+        assert not any(
+            "Detected Iterator[JSON] in pyflyte.test_run.t1 input annotations..."
+            in message[2]
+            for message in caplog.record_tuples
+        )
+
+    caplog.clear()
+
+    with caplog.at_level(logging.DEBUG, logger="flytekit"):
+        run_command(mock_click_ctx, tk_simple_iterator)()
+        assert not any(
+            "Detected Iterator[JSON] in pyflyte.test_run.tk_simple_iterator input annotations..."
+            in message[2]
+            for message in caplog.record_tuples
+        )
+
+
 def test_file_param():
     m = mock.MagicMock()
     flyte_file = FileParamType().convert(__file__, m, m)
@@ -484,7 +658,11 @@ def test_pyflyte_run_with_none(a_val, workflow_file):
     "envs, envs_argument, expected_output",
     [
         (["--env", "MY_ENV_VAR=hello"], '["MY_ENV_VAR"]', "hello"),
-        (["--env", "MY_ENV_VAR=hello", "--env", "ABC=42"], '["MY_ENV_VAR","ABC"]', "hello,42"),
+        (
+            ["--env", "MY_ENV_VAR=hello", "--env", "ABC=42"],
+            '["MY_ENV_VAR","ABC"]',
+            "hello,42",
+        ),
     ],
 )
 @pytest.mark.parametrize(