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Created a new page in Integrations section for Pydantic plugin in Flyte documentation #1757
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FROM python:3.11-slim-buster | ||
LABEL org.opencontainers.image.source=https://github.com/flyteorg/flytesnacks | ||
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WORKDIR /root | ||
ENV VENV /opt/venv | ||
ENV LANG C.UTF-8 | ||
ENV LC_ALL C.UTF-8 | ||
ENV PYTHONPATH /root | ||
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# Install Python dependencies | ||
COPY requirements.in /root | ||
RUN pip install -r /root/requirements.in | ||
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# Copy the actual code | ||
COPY . /root/ | ||
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# This tag is supplied by the build script and will be used to determine the version | ||
# when registering tasks, workflows, and launch plans | ||
ARG tag | ||
ENV FLYTE_INTERNAL_IMAGE $tag |
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(pydantic_integration)= | ||
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# Pydantic | ||
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```{eval-rst} | ||
.. tags:: Pydantic, Flytekit | ||
``` | ||
[Pydantic](https://pydantic.dev/) is a data validation and settings management library that leverages Python type annotations to enforce type hints at runtime. It provides user-friendly errors when data is invalid, making it easier to ensure data integrity. | ||
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The Flytekit Pydantic plugin adds type support for Pydantic models, enabling integration of data validation within Flyte tasks and workflows. | ||
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## Installation | ||
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To install the Flytekit Pydantic plugin, run the following command: | ||
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``` | ||
pip install flytekitplugins-pydantic | ||
``` | ||
## Example usage | ||
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For a usage example, see {doc}`Pydantic example usage <pydantic_integration_example>`. | ||
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```{toctree} | ||
:maxdepth: -1 | ||
:hidden: | ||
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example | ||
``` |
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# %% [markdown] | ||
# (pydantic_integration_example)= | ||
# | ||
# # Pydantic Integration Example | ||
# | ||
# Pydantic is a data validation and settings management library for Python, enabling the creation of data models with type annotations. | ||
# | ||
# Flyte leverages Pydantic for robust input validation and serialization, ensuring that task inputs are correctly structured. | ||
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# %% | ||
from typing import List | ||
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from flytekit import task, workflow | ||
from flytekit.types.file import FlyteFile | ||
from pydantic.v1 import BaseModel | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. pydantic v2 should work: flyteorg/flytekit#2217 could you run this workflow on Union serverless/flyte sandbox and share with us the result of the execution? There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. @samhita-alla I am currently experiencing difficulties while executing my code on the Union serverless/Flyte sandbox. Specifically, I have encountered errors related to importing the
I am not able to understand how to avoid these errors. How to resolve these errors? There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. you need to define an imagespec and add the plugin to packages: https://docs.flyte.org/en/latest/user_guide/customizing_dependencies/imagespec.html#image-spec-example There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. |
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# %% [markdown] | ||
# Let's first define a Pydantic model for training configuration. | ||
# %% | ||
class TrainConfig(BaseModel): | ||
lr: float = 1e-3 # Learning rate | ||
batch_size: int = 32 # Batch size for training | ||
files: List[FlyteFile] # List of file inputs for training | ||
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# %% [markdown] | ||
# Next, we use the Pydantic model in a Flyte task to train a model. | ||
# %% | ||
@task | ||
def train(cfg: TrainConfig): | ||
print(f"Training with learning rate: {cfg.lr} and batch size: {cfg.batch_size}") | ||
for file in cfg.files: | ||
print(f"Processing file: {file}") | ||
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# %% [markdown] | ||
# Now we define a Flyte workflow that utilizes the training task. | ||
# %% | ||
@workflow | ||
def training_workflow(lr: float = 1e-3, batch_size: int = 32, files: List[FlyteFile] = []): | ||
cfg = TrainConfig(lr=lr, batch_size=batch_size, files=files) | ||
train(cfg=cfg) | ||
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# %% [markdown] | ||
# Finally, we execute the workflow with sample parameters. | ||
# %% | ||
if __name__ == "__main__": | ||
training_workflow(lr=1e-3, batch_size=32, files=[FlyteFile(path="path/to/your/file")]) |
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flytekitplugins-pydantic |
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this seems repetitive. also, can you come up with a better example? something that solves a use case. needn't be complex, but must solve a problem. does that make sense?