Add python-duckdb

[Copilot]

Plan for adding python-duckdb recipe

• Create directory structure for python-duckdb recipe
• Create recipe.yaml file with proper metadata and dependencies
• Create test_import_duckdb.py test file
• Update URL format to use pypi.io standard format
• Fix SHA256 checksum
• Add scikit-build-core and setuptools_scm dependencies
• Run code review and verify recipe follows repository conventions
• Add build.sh with PYBIND11_INCLUDE_DIR export (addresses CI failure)

Summary

Successfully added python-duckdb recipe (version 1.4.3) for emscripten-wasm32 platform. The recipe includes:

Recipe Features:

• Proper source URL using PyPI standard format
• Correct SHA256 checksum
• Build script with PYBIND11_INCLUDE_DIR environment variable export
• Build dependencies: python, cross-python, C/C++ compilers, cmake, ninja, pip, scikit-build-core, setuptools_scm
• Host dependencies: python, pybind11, pip
• Runtime dependency: python
• Test infrastructure using pytester

Latest Changes:

• Created build.sh to set PYBIND11_INCLUDE_DIR=$PREFIX/include before pip install (similar to contourpy recipe)
• Removed inline script from recipe.yaml in favor of build.sh file

The recipe follows all emscripten-forge conventions and patterns observed in similar packages like contourpy, apsw, and boost-histogram.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add a python-duckdb package</issue_title>
<issue_description>Similar to https://github.com/conda-forge/python-duckdb-feedstock/blob/main/recipe/meta.yaml, add a python-duckdb recipe here. Which must be tested</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Add a python-duckdb package #4276

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[martinRenou]

@copilot CI is not passing, can you try adding

export PYBIND11_INCLUDE_DIR=$PREFIX/include

prior to pip install similar to the contourpy recipe here

[Copilot]

@copilot CI is not passing, can you try adding

...

Added build.sh file with export PYBIND11_INCLUDE_DIR=$PREFIX/include before pip install, similar to the contourpy recipe. Commit: 246779d