ci: Move datamodel-codegen to a .sh script file (#194)

Author: holtskinner

.github/actions/spelling/allow.txt

@@ -28,6 +28,7 @@ codegen
 coro
 datamodel
 dunders
+euo
 genai
 getkwargs
 gle

.github/workflows/update-a2a-types.yml

@@ -36,31 +36,10 @@ jobs:
           GENERATED_FILE="./src/a2a/types.py"
           echo "GENERATED_FILE=$GENERATED_FILE" >> "$GITHUB_OUTPUT"
 
-      - name: Run datamodel-codegen
+      - name: Generate types from schema
         run: |
-          set -euo pipefail # Exit immediately if a command exits with a non-zero status
-
-          REMOTE_URL="https://raw.githubusercontent.com/google-a2a/A2A/refs/heads/main/specification/json/a2a.json"
-          GENERATED_FILE="${{ steps.vars.outputs.GENERATED_FILE }}"
-
-          echo "Running datamodel-codegen..."
-          uv run datamodel-codegen \
-            --url "$REMOTE_URL" \
-            --input-file-type jsonschema \
-            --output "$GENERATED_FILE" \
-            --target-python-version 3.10 \
-            --output-model-type pydantic_v2.BaseModel \
-            --disable-timestamp \
-            --use-schema-description \
-            --use-union-operator \
-            --use-field-description \
-            --use-default \
-            --use-default-kwarg \
-            --use-one-literal-as-default \
-            --class-name A2A \
-            --use-standard-collections \
-            --use-subclass-enum
-          echo "Codegen finished."
+          chmod +x scripts/generate_types.sh
+          ./scripts/generate_types.sh "${{ steps.vars.outputs.GENERATED_FILE }}"
 
       - name: Install Buf
         uses: bufbuild/buf-setup-action@v1

development.md

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Exit immediately if a command exits with a non-zero status.
+# Treat unset variables as an error.
+set -euo pipefail
+
+# Check if an output file path was provided as an argument.
+if [ -z "$1" ]; then
+  echo "Error: Output file path must be provided as the first argument." >&2
+  exit 1
+fi
+
+REMOTE_URL="https://raw.githubusercontent.com/google-a2a/A2A/refs/heads/main/specification/json/a2a.json"
+GENERATED_FILE="$1"
+
+echo "Running datamodel-codegen..."
+echo "  - Source URL: $REMOTE_URL"
+echo "  - Output File: $GENERATED_FILE"
+
+uv run datamodel-codegen \
+  --url "$REMOTE_URL" \
+  --input-file-type jsonschema \
+  --output "$GENERATED_FILE" \
+  --target-python-version 3.10 \
+  --output-model-type pydantic_v2.BaseModel \
+  --disable-timestamp \
+  --use-schema-description \
+  --use-union-operator \
+  --use-field-description \
+  --use-default \
+  --use-default-kwarg \
+  --use-one-literal-as-default \
+  --class-name A2A \
+  --use-standard-collections \
+  --use-subclass-enum
+
+echo "Codegen finished successfully."