format code (#21)

.github/workflows/gardener.yml

@@ -1,7 +1,7 @@
 name: Taichi Gardener
 on:
   pull_request:
-    types: [review_requested, synchronize]
+    types: [review_requested]
 
 jobs:
   format:

.github/workflows/persubmit.yml

@@ -9,9 +9,30 @@ jobs:
     name: Code Format
     runs-on: ubuntu-latest
     # This job will be required to pass before merging to master branch.
+    steps:
       - uses: actions/checkout@v2
-  steps:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
           python-version: 3.8
+      - name: Check code format
+        run: |
+          python3 -m pip install yapf gitpython colorama isort
+          python3 python/taichi/code_format.py
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Auto Code Format
+          commit_user_name: Taichi Gardener
+          commit_user_email: [email protected]
+          commit_author: taichigardener <[email protected]>
+          # - name: Commit changes
+          #run: |
+          #git config --local user.email "[email protected]"
+          #git config --local user.name "Taichi Gardener"
+          #git add -A
+          #git commit -m "Auto Code Format"
+          #- name: Push changes
+          #uses: ad-m/github-push-action@master
+          #with:
+          #GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          #branch: ${{ steps.pr_data.outputs.branch }}

python/build.py

@@ -11,7 +11,8 @@ def get_os_name():
     name = platform.platform()
     # in python 3.8, platform.platform() uses mac_ver() on macOS
     # it will return 'macOS-XXXX' instead of 'Darwin-XXXX'
-    if name.lower().startswith('darwin') or name.lower().startswith('macos'):
+
+    if name.lower(              ).startswith('darwin')           or name.lower().startswith('macos'):
         return 'osx'
     elif name.lower().startswith('windows'):
         return 'win'
@@ -27,10 +28,8 @@ def get_python_executable():
 def build():
     """Build and package the wheel file in `python/dist`"""
     if platform.system() == 'Linux':
-        if os.environ.get(
-                'CXX', 'clang++') not in ['clang++-8', 'clang++-7', 'clang++']:
-            raise RuntimeError(
-                'Only the wheel with clang will be released to PyPI')
+        if os.environ.get('CXX', 'clang++') not in ['clang++-8', 'clang++-7', 'clang++']:
+            raise RuntimeError(                                          'Only the wheel with clang will be released to PyPI')
 
     version = ti.core.get_version_string()
     with open('../setup.py') as fin: