Format Python files with YAPF (#1360)

.github/workflows/build.yml

@@ -16,9 +16,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Install Gettext
+      - name: Install formatting dependencies
         run: |
-          sudo apt install gettext
+          sudo apt install gettext yapf3
 
       - name: Install nightly rustfmt
         run: |

.github/workflows/prevent-msgid.py

@@ -4,13 +4,17 @@ for filename in os.popen("git diff --name-only").read().split():
     if not filename.endswith(".po"):
         continue
 
-    if "POT-Creation-Date" in os.popen(f"git diff --unified=0 {filename}").read():
-        print(f"Assuming {filename} was changed automatically, skipping msgid check")
+    if "POT-Creation-Date" in os.popen(
+            f"git diff --unified=0 {filename}").read():
+        print(
+            f"Assuming {filename} was changed automatically, skipping msgid check"
+        )
         continue
 
     changed_lines = {
         i + 1
-        for i, line in enumerate(os.popen(f"git blame {filename}").readlines())
+        for i, line in enumerate(
+            os.popen(f"git blame {filename}").readlines())
         if line.startswith("00000000")
     }
 

aspect-ratio-helper.py

@@ -13,7 +13,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 """mdbook preprocessor which will help show the presentation aspect ratio.
 
 The preprocessor adds a large red rectangle on every page. The
@@ -31,6 +30,7 @@ import json
 import sys
 import textwrap
 
+
 def update_book_items(items):
     aspect_ratio_helper = textwrap.dedent("""
         <style>
@@ -74,6 +74,7 @@ def update_book_items(items):
         chapter['content'] = aspect_ratio_helper + chapter['content']
         update_book_items(chapter['sub_items'])
 
+
 if __name__ == '__main__':
     if len(sys.argv) > 1:
         if sys.argv[1] == "supports":
@@ -82,4 +83,3 @@ if __name__ == '__main__':
     context, book = json.load(sys.stdin)
     update_book_items(book['sections'])
     print(json.dumps(book))
-

dprint.json

@@ -6,6 +6,9 @@
   },
   "exec": {
     "commands": [{
+      "command": "yapf3",
+      "exts": ["py"]
+    }, {
       "command": "rustfmt --edition 2021",
       "exts": ["rs"]
     }, {