Build a conda package on PRs

Author: mwouts

.github/workflows/continuous-integration.yml

@@ -20,6 +20,8 @@ jobs:
       - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
       - uses: pre-commit/[email protected]
 
   pyright:
@@ -148,14 +150,37 @@ jobs:
       - name: Check LICENSE.txt in sdist
         run: tar -tvf dist/*.tar.gz | grep -q itables_for_dash/async-ITable.js.LICENSE.txt
 
-      # Upload the wheel as an artifact
-      - name: Upload wheel artifact
+      # Build conda package
+      - name: Set up Mambaforge
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          miniforge-version: latest
+          auto-update-conda: true
+          python-version: 3.11
+
+      - name: Install conda-build
+        run: mamba install conda-build -y
+
+      - name: Build conda package
+        run: |
+          conda config --set anaconda_upload no
+          conda config --set conda-remove-defaults true
+          conda build conda.recipe --output-folder conda-dist
+
+      # Upload the wheel and conda package as artifacts
+      - name: Upload wheel
         uses: actions/upload-artifact@v4
         with:
           name: itables-wheel
           path: dist/*.whl
 
-      # Comment on PR with artifact link (only on PRs)
+      - name: Upload conda package
+        uses: actions/upload-artifact@v4
+        with:
+          name: itables-conda-package
+          path: conda-dist/**/*.tar.bz2
+
+      # Comment on PR with artifact link
       - name: Comment with direct artifact link
         if: github.event_name == 'pull_request'
         uses: actions/github-script@v7
@@ -173,21 +198,35 @@ jobs:
             });
 
             // Find the artifact named 'itables-wheel'
-            const artifact = artifacts.find(a => a.name === 'itables-wheel');
-            let artifact_url;
+            let artifact = artifacts.find(a => a.name === 'itables-wheel');
+            let wheel_url;
+            if (artifact) {
+              wheel_url = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${run_id}/artifacts/${artifact.id}`;
+            } else {
+              wheel_url = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${run_id}#artifacts`;
+            }
+
+            // Find the artifact named 'itables-conda-package'
+            artifact = artifacts.find(a => a.name === 'itables-conda-package');
+            let conda_url;
             if (artifact) {
-              artifact_url = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${run_id}/artifacts/${artifact.id}`;
+              conda_url = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${run_id}/artifacts/${artifact.id}`;
             } else {
-              artifact_url = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${run_id}#artifacts`;
+              conda_url = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${run_id}#artifacts`;
             }
 
+
             const body = `${marker}
             Thank you for making this pull request.
 
             Did you know? You can try it on Binder: [![Binder:lab](https://img.shields.io/badge/binder-jupyterlab-0172B2.svg)](https://mybinder.org/v2/gh/${{ github.event.pull_request.head.repo.full_name }}/${{ github.event.pull_request.head.ref }}?urlpath=lab/tree/docs/quick_start.md).
 
             Also, the version of ITables developed in this PR is available as a wheel artifact :package: for easy installation.
-            Download it [here](${artifact_url}), unzip it and then run <code>pip install itables-xxx.whl</code> in the unzipped directory.`;
+            Download it [here](${wheel_url}), unzip it and then run <code>pip install itables-xxx.whl</code> in the unzipped directory.
+
+            A conda package is also available for easy installation:
+            Download it [here](${conda_url}), and then run <code>conda install itables-xxx.tar.bz2</code> in the directory where you downloaded the file.
+            `;
 
             // List comments on the PR
             const { data: comments } = await github.rest.issues.listComments({

.gitignore

@@ -5,8 +5,11 @@
 # Python
 *.egg-info
 *.pyc
+
+# Build artifacts
 build
 dist
+conda-dist
 
 # Notebooks
 *.ipynb

.pre-commit-config.yaml

@@ -9,6 +9,7 @@ repos:
     hooks:
     - id: check-json
     - id: check-yaml
+      exclude: ^conda\.recipe/meta\.yaml$
     - id: end-of-file-fixer
     - id: trailing-whitespace
 

conda.recipe/meta.yaml

@@ -0,0 +1,57 @@
+{% set version_match = load_file_regex(
+  load_file="src/itables/version.py",
+  regex_pattern='.*__version__ = "(.+)"') %}
+{% set version = version_match[1] %}
+
+package:
+  name: itables
+  version: {{ version }}
+
+source:
+  path: ..
+
+build:
+  number: 0
+  noarch: python
+  script: {{ PYTHON }} -m pip install . -vv
+
+requirements:
+  host:
+    - nodejs
+    - python >=3.9
+    - python-build
+    - hatch-jupyter-builder
+    - dash
+    - pyyaml
+    - hatchling
+    - pip
+  run:
+    - ipython
+    - pandas
+    - numpy
+    - packaging
+    - typing-extensions
+    - python >=3.9
+
+test:
+  imports:
+    - itables
+  commands:
+    - pip check
+    - python -c "import itables; print(itables.__version__)"
+  requires:
+    - pip
+
+about:
+  home: https://github.com/mwouts/itables
+  dev_url: https://github.com/mwouts/itables
+  doc_url: https://mwouts.github.io/itables
+  summary: Pandas and Polars DataFrames as Interactive DataTables
+  license: MIT
+  license_file:
+    - LICENSE
+  description: |
+    Render Pandas and Polars DataFrames as interactive [DataTables](https://datatables.net/)
+    that you can sort, paginate, scroll or filter. ITables works in Jupyter,
+    VS Code, Google Colab, Quarto, Marimo, and in many application frameworks like
+    Dash, Panel, Shiny, or Streamlit.

docs/changelog.md

@@ -1,6 +1,13 @@
 ITables ChangeLog
 =================
 
+2.5.3-dev (unreleased)
+------------------
+
+**Added**
+- A conda package is built (and attached) to each PR.
+
+
 2.5.2 (2025-09-02)
 ------------------