Refactor Binder setup and remove requirements.txt

Simplifies Binder environment by delegating Python dependency management to uv in postBuild, removes requirements.txt in favor of single-source dependencies in pyproject.toml, and updates related scripts and environment files accordingly.

Author: alanlujan91

binder/environment.yml

@@ -1,13 +1,9 @@
 # Binder environment configuration
-# This file delegates to uv for dependency management from pyproject.toml
-# ensuring single-source-of-truth for dependencies
+# Minimal conda environment - uv handles Python packages via postBuild
 
 name: moderation
 channels:
   - conda-forge
 dependencies:
   - python=3.12
-  - uv
   - pip
-  - pip:
-      - -e ../.

binder/postBuild

@@ -1,16 +1,17 @@
 #!/bin/bash
 # Post-build script for Binder
-# Uses uv to install all dependencies from pyproject.toml
+# Uses uv to install dependencies from pyproject.toml with locked versions
 
 set -e
 
-# Navigate to repository root
-cd "${HOME}"
+# Install uv
+pip install uv
 
-# Install dependencies using uv (which reads from pyproject.toml)
-uv sync --all-extras
+# Install project with locked dependencies (no dev extras for Binder)
+# Using --system since we're in conda's environment, not a venv
+uv pip install --system -e .
 
-# Ensure Jupyter extensions are enabled
-jupyter labextension list
+# Sync jupyter extensions
+jupyter labextension list 2>/dev/null || true
 
 echo "Binder environment ready!"

pyproject.toml

@@ -16,9 +16,8 @@ dependencies = [
     "jupytext>=1.17.2",
     "matplotlib>=3.9.4",
     "mystmd>=1.7.1",
-    "numba>=0.59.0", # Ensure Python 3.11 compatibility
+    "numba>=0.59.0",  # Ensure Python 3.11 compatibility
     "numpy>=2.0.2",
-    "ruff>=0.12.8",
     "scipy>=1.15.3",
     "voila>=0.5.8",
 ]