adds github actions for building wheels if the version updates (#62)

only uploads to pypi if the patch version updates, otherwise we have to do it manually using the upload script.

.github/workflows/build_wheels.yml

@@ -0,0 +1,66 @@
+name: build package wheel
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  detect-changes:
+    uses: ./.github/workflows/check_diff.yml
+    with:
+      file_path: pyproject.toml
+
+  build:
+    needs: detect-changes
+    if: needs.detect-changes.outputs.version_changed == 'true'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x" # Use the latest version of Python 3
+
+      - name: Install Flit
+        run: python -m pip install flit
+
+      - name: Build Wheel with Flit
+        run: flit build
+
+      - name: Test Install Wheel
+        run: pip install dist/*.whl
+
+      - name: Upload to GitHub Artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: python-package
+          path: dist/*.whl
+
+  publish-to-pypi:
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main' && needs.detect-changes.outputs.only_patch_version_changed == 'true'
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x" # Use the latest version of Python 3
+
+      - name: Install Twine
+        run: python -m pip install --upgrade pip && python -m pip install --upgrade twine
+
+      - name: Upload to PyPI using script
+        run: bash scripts/upload_latest.sh
+        env:
+          TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
+          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}

.github/workflows/check_diff.yml

@@ -0,0 +1,57 @@
+name: Check Diff
+
+on:
+  workflow_call:
+    inputs:
+      file_path:
+        description: File path to check for version change
+        required: true
+        type: string
+    outputs:
+      version_changed:
+        description: true if the version line in the file has changed
+        value: ${{ jobs.check.outputs.version_changed }}
+      only_patch_version_changed:
+        description: true if only the patch version has changed
+        value: ${{ jobs.check.outputs.only_patch_version_changed }}
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    outputs:
+      version_changed: ${{ steps.check.outputs.version_changed }}
+      only_patch_version_changed: ${{ steps.check.outputs.only_patch_version_changed }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+          submodules: recursive
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check for version changes
+        id: check
+        run: |
+          OLD_VERSION=$(git show ${{ github.event.pull_request.base.sha }}:${{ inputs.file_path }} | grep '^version = ' | cut -d '"' -f 2)
+          NEW_VERSION=$(grep '^version = ' ${{ inputs.file_path }} | cut -d '"' -f 2)
+
+          echo "OLD_VERSION=$OLD_VERSION"
+          echo "NEW_VERSION=$NEW_VERSION"
+
+          if [ "$OLD_VERSION" != "$NEW_VERSION" ]; then
+            echo "Version has changed."
+            echo "version_changed=true" >> $GITHUB_OUTPUT
+            IFS='.' read -ra OLD_PARTS <<< "$OLD_VERSION"
+            IFS='.' read -ra NEW_PARTS <<< "$NEW_VERSION"
+
+            if [ "${OLD_PARTS[0]}" == "${NEW_PARTS[0]}" ] && [ "${OLD_PARTS[1]}" == "${NEW_PARTS[1]}" ]; then
+              echo "Only the patch version has changed."
+              echo "only_patch_version_changed=true" >> $GITHUB_OUTPUT
+            else
+              echo "Major or minor version has changed."
+              echo "only_patch_version_changed=false" >> $GITHUB_OUTPUT
+            fi
+          else
+            echo "No version change detected."
+            echo "version_changed=false" >> $GITHUB_OUTPUT
+            echo "only_patch_version_changed=false" >> $GITHUB_OUTPUT
+          fi

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 
 name = "pypechain"
-version = "0.0.10"
+version = "0.0.11"
 authors = [
     { name = "Matthew Brown", email = "matt@delv.tech" },
     { name = "Dylan Paiton", email = "dylan@delv.tech" },
@@ -10,7 +10,7 @@ authors = [
 ]
 description = "Codegen python interfaces for web3.py contracts."
 readme = "README.md"
-requires-python = ">=3.10, <3.11"
+requires-python = ">=3.10"
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: Apache Software License",

scripts/upload_latest.sh

@@ -1,11 +1,22 @@
 #!/bin/bash
 
-# Source the .env file to export the TWINE_USERNAME and TWINE_PASSWORD
+# Check if there is a .env file with TWINE_USERNAME and TWINE_PASSWORD
+# or if the environment variables are already set.
 if [ -f ".env" ]; then
+    echo "Overwriting TWINE_USERNAME and TWINE_PASSWORD environment variables from .env"
     export $(cat .env | xargs)
 else
-    echo ".env file not found"
-    exit 1
+    echo "Checking for TWINE_USERNAME and TWINE_PASSWORD environment variables..."
+
+    if  [ -z "$TWINE_USERNAME" ]; then
+        echo "TWINE_USERNAME environment variable was not set"
+        exit 1
+    fi
+
+    if  [ -z "$TWINE_PASSWORD" ]; then
+        echo "TWINE_PASSWORD environment variable was not set"
+        exit 1
+    fi
 fi
 
 # Navigate to the dist directory