WIP: Initial commit for spin steps #2036
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| help="Command used to spin up a single task based on the artifacts from " | ||
| "a previous run or artifacts provided by the user." | ||
| ) | ||
| @click.argument("step-name") |
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some of these should probably be taken from the start (ie: top-level) options. For spin, we should just ignore them and set them to local. I believe we could override them at that level using the invoked_subcommand that click provides (and checking if it is spin).
metaflow/task.py
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| output.init_task() | ||
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| # How we access the input and index attributes depends on the execution context. | ||
| # If spin is set to True, we short-circuit attribute access to getatttr directly |
| @@ -272,6 +273,8 @@ def index(self) -> Optional[int]: | |||
| int, optional | |||
| Index of the task in a foreach step. | |||
| """ | |||
| if self._spin: | |||
| return getattr(self, "_spin_index") | |||
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nit: return self._spin_index
| @@ -292,6 +295,8 @@ def input(self) -> Optional[Any]: | |||
| object, optional | |||
| Input passed to the foreach task. | |||
| """ | |||
| if self._spin: | |||
| return getattr(self, "_spin_input") | |||
metaflow/task.py
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| print("%s failed:" % self.flow, file=sys.stderr) | ||
| raise | ||
| finally: | ||
| # TODO: Persist the output artifacts to local datastore |
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there is a task_finished missing as well (after the persist of artifacts)
| ) | ||
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| try: | ||
| return __getattr__(self.task.artifacts, name) |
| f"`{self.step_name}`." | ||
| ) | ||
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| raise AttributeError( |
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is this ever reached?
talsperre
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This PR aims to add support for spinning up "baby" steps in Metaflow by using the client API as an input datastore.