Remove Pydantic V1 plugin

[Future-Outlier]

Tracking issue

flyteorg/flyte#5033

Why are the changes needed?

We discourage everyone not to use pydantic v1 plugin.

slack discussion screenshot:

What changes were proposed in this pull request?

Delete pydantic v1 plugin.

How was this patch tested?

Setup process

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

Summary by Bito

This PR removes the deprecated Pydantic V1 plugin from the Flyte codebase, including all serialization, deserialization, and type transformation logic. The change aims to encourage direct usage of Pydantic V2 with Flytekit tasks. All plugin files, test files, and package configurations have been removed.

Unit tests added: False

Estimated effort to review (1-5, lower is better): 3

[flyte-bot]

Code Review Agent Run #7d0c67

Actionable Suggestions - 0

Review Details

• Files reviewed - 9 · Commit Range: ea0eb4c..ea0eb4c

  • plugins/flytekit-pydantic/flytekitplugins/pydantic/__init__.py
  • plugins/flytekit-pydantic/flytekitplugins/pydantic/basemodel_transformer.py
  • plugins/flytekit-pydantic/flytekitplugins/pydantic/commons.py
  • plugins/flytekit-pydantic/flytekitplugins/pydantic/deserialization.py
  • plugins/flytekit-pydantic/flytekitplugins/pydantic/serialization.py
  • plugins/flytekit-pydantic/setup.py
  • plugins/flytekit-pydantic/tests/folder/test_file1.txt
  • plugins/flytekit-pydantic/tests/folder/test_file2.txt
  • plugins/flytekit-pydantic/tests/test_type_transformer.py
• Files skipped - 1

  • plugins/flytekit-pydantic/README.md - Reason: Filter setting
• Tools

  • Whispers (Secret Scanner) - ✔︎ Successful
  • Detect-secrets (Secret Scanner) - ✔︎ Successful

---

AI Code Review powered by

[flyte-bot]

Changelist by Bito

This pull request implements the following key changes.

Key Change	Files Impacted
Feature Improvement - Remove Deprecated Pydantic V1 Plugin	- __init__.py - Remove initialization and deprecation warning for Pydantic V1 plugin - basemodel_transformer.py - Remove BaseModel transformer implementation for Pydantic V1 - commons.py - Remove common utilities for Pydantic V1 plugin - deserialization.py - Remove deserialization logic for Pydantic V1 models - serialization.py - Remove serialization logic for Pydantic V1 models - setup.py - Remove plugin package configuration and dependencies
Testing - Remove Pydantic V1 Tests	- test_file1.txt - Remove test file used in Pydantic V1 tests - test_file2.txt - Remove test file used in Pydantic V1 tests - test_type_transformer.py - Remove test suite for Pydantic V1 type transformers

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.85%. Comparing base (87ac7f7) to head (ea0eb4c).
Report is 11 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3040      +/-   ##
==========================================
- Coverage   78.61%   76.85%   -1.77%     
==========================================
  Files         288      202      -86     
  Lines       25120    21357    -3763     
  Branches     2734     2744      +10     
==========================================
- Hits        19749    16414    -3335     
+ Misses       4615     4184     -431     
- Partials      756      759       +3     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[pingsutw]

cc @ArthurBook We have Pydantic plugin v2 that supports all the types right now. Mind giving it a try?

[ArthurBook]

hi @pingsutw ! we unfortunately deprecated the component where we were using flyte so I don't have any workloads at hand to try it with... :(