chore: upgrade black in noxfile.py to 22.3.0 (#1377)

* chore: upgrade black to 22.3.0

* update lint also

* run blacken session

* ci: use click>8.0 for blacken/lint sessions

* chore: fix typo

Co-authored-by: nicain <nicholascain@google.com>

* rebase error

Co-authored-by: nicain <nicholascain@google.com>

noxfile.py

@@ -20,16 +20,17 @@ def generate_protos(session):
     session.run(
         "python", "-m", "grpc_tools.protoc", "-Isynthtool/protos", "--python_out=synthtool/protos", "synthtool/protos/metadata.proto", "synthtool/protos/preconfig.proto")
 
-@nox.session(python=['3.6', '3.8'])
+@nox.session(python=['3.6', '3.9'])
 def blacken(session):
-    session.install('black==19.10b0')
+    session.install('black==22.3.0', 'click>8.0')
     session.run('black', 'synthtool', 'tests')
 
 
 @nox.session(python=['3.6', '3.8', '3.9'])
 def lint(session):
-    session.install('mypy==0.790', 'flake8', 'black==19.10b0')
+    session.install('mypy==0.790', 'flake8', 'black==22.3.0')
     session.run('pip', 'install', '-e', '.')
+    session.run('pip', 'install', 'click>8.0')
     session.run('black', '--check', 'synthtool', 'tests')
     session.run('flake8', 'synthtool', 'tests')
     session.run('mypy', 'synthtool')

synthtool/gcp/common.py

@@ -423,7 +423,7 @@ def detect_versions(
 
 
 def decamelize(value: str):
-    """ parser to convert fooBar.js to Foo Bar. """
+    """Parser to convert fooBar.js to Foo Bar."""
     if not value:
         return ""
     str_decamelize = re.sub("^.", value[0].upper(), value)  # apple -> Apple.

synthtool/gcp/samples.py

@@ -78,7 +78,7 @@ def all_samples(sample_globs: List[str]) -> List[Dict[str, str]]:
 
 
 def _decamelize(value: str):
-    """ parser to convert fooBar.js to Foo Bar. """
+    """Parser to convert fooBar.js to Foo Bar."""
     if not value:
         return ""
     str_decamelize = re.sub("^.", value[0].upper(), value)  # apple -> Apple.

synthtool/gcp/templates/python_notebooks_testing_pipeline/.cloud-build/execute_changed_notebooks_cli.py

@@ -85,7 +85,8 @@ def str2bool(v):
 args = parser.parse_args()
 
 notebooks = execute_changed_notebooks_helper.get_changed_notebooks(
-    test_paths_file=args.test_paths_file, base_branch=args.base_branch,
+    test_paths_file=args.test_paths_file,
+    base_branch=args.base_branch,
 )
 
 execute_changed_notebooks_helper.process_and_execute_notebooks(

synthtool/gcp/templates/python_notebooks_testing_pipeline/.cloud-build/execute_changed_notebooks_helper.py

@@ -64,7 +64,9 @@ class NotebookExecutionResult:
 
 
 def _process_notebook(
-    notebook_path: str, variable_project_id: str, variable_region: str,
+    notebook_path: str,
+    variable_project_id: str,
+    variable_region: str,
 ):
     # Read notebook
     with open(notebook_path) as f:
@@ -77,7 +79,10 @@ def _process_notebook(
     )
 
     # Use no-execute preprocessor
-    (nb, resources,) = remove_no_execute_cells_preprocessor.preprocess(nb)
+    (
+        nb,
+        resources,
+    ) = remove_no_execute_cells_preprocessor.preprocess(nb)
 
     (nb, resources) = update_variables_preprocessor.preprocess(nb, resources)
 
@@ -183,7 +188,8 @@ def process_and_execute_notebook(
 
 
 def get_changed_notebooks(
-    test_paths_file: str, base_branch: Optional[str] = None,
+    test_paths_file: str,
+    base_branch: Optional[str] = None,
 ) -> List[str]:
     """
     Get the notebooks that exist under the folders defined in the test_paths_file.
@@ -293,7 +299,9 @@ def process_and_execute_notebooks(
     print("\n=== RESULTS ===\n")
 
     results_sorted = sorted(
-        notebook_execution_results, key=lambda result: result.is_pass, reverse=True,
+        notebook_execution_results,
+        key=lambda result: result.is_pass,
+        reverse=True,
     )
 
     # Print results

synthtool/gcp/templates/python_notebooks_testing_pipeline/.cloud-build/execute_notebook_helper.py

@@ -28,7 +28,9 @@
 
 
 def execute_notebook(
-    notebook_source: str, output_file_or_uri: str, should_log_output: bool,
+    notebook_source: str,
+    output_file_or_uri: str,
+    should_log_output: bool,
 ):
     """Execute a single notebook using Papermill"""
     file_name = os.path.basename(os.path.normpath(notebook_source))

synthtool/gcp/templates/python_notebooks_testing_pipeline/.cloud-build/utils/NotebookProcessors.py

@@ -54,7 +54,8 @@ def preprocess(self, notebook, resources=None):
         for cell in notebook.cells:
             if cell.cell_type == "code":
                 cell.source = self.update_variables(
-                    content=cell.source, replacement_map=self._replacement_map,
+                    content=cell.source,
+                    replacement_map=self._replacement_map,
                 )
 
             executable_cells.append(cell)

synthtool/gcp/templates/python_notebooks_testing_pipeline/.cloud-build/utils/utils.py

@@ -31,7 +31,10 @@ def download_file(bucket_name: str, blob_name: str, destination_file: str) -> st
     return destination_file
 
 
-def upload_file(local_file_path: str, remote_file_path: str,) -> str:
+def upload_file(
+    local_file_path: str,
+    remote_file_path: str,
+) -> str:
     """Copies a local file to a GCS path"""
     subprocess.check_output(
         ["gsutil", "cp", local_file_path, remote_file_path], encoding="UTF-8"

synthtool/languages/java.py

@@ -455,7 +455,8 @@ def _common_template_metadata() -> Dict[str, Any]:
         )
 
     metadata["latest_bom_version"] = latest_maven_version(
-        group_id="com.google.cloud", artifact_id="libraries-bom",
+        group_id="com.google.cloud",
+        artifact_id="libraries-bom",
     )
 
     metadata["samples"] = samples.all_samples(["samples/**/src/main/java/**/*.java"])

synthtool/languages/php.py

@@ -66,8 +66,7 @@ def _merge(src: str, dest: str, path: Path):
 
 
 def _find_copy_target(src: Path, version_string: str) -> typing.Optional[Path]:
-    """Returns a directory contains the version subdirectory.
-    """
+    """Returns a directory contains the version subdirectory."""
     logger.debug("_find_copy_target called with %s and %s", src, version_string)
     entries = os.scandir(src)
     if not entries:
@@ -81,10 +80,11 @@ def _find_copy_target(src: Path, version_string: str) -> typing.Optional[Path]:
 
 
 def owlbot_copy_version(
-    src: Path, dest: Path, copy_excludes: typing.Optional[typing.List[str]] = None,
+    src: Path,
+    dest: Path,
+    copy_excludes: typing.Optional[typing.List[str]] = None,
 ) -> None:
-    """Copies files from a version subdirectory.
-    """
+    """Copies files from a version subdirectory."""
     logger.debug("owlbot_copy_version called from %s to %s", src, dest)
 
     if copy_excludes is None:
@@ -146,8 +146,7 @@ def owlbot_main(
     copy_excludes: typing.Optional[typing.List[str]] = None,
     patch_func: typing.Callable[[], None] = owlbot_patch,
 ) -> None:
-    """Copies files from generated tree.
-    """
+    """Copies files from generated tree."""
     entries = os.scandir(src)
     if not entries:
         logger.info("there is no version subdirectory to copy")
@@ -161,9 +160,7 @@ def owlbot_main(
 
 
 def owlbot_entrypoint(staging_dir: str = STAGING_DIR) -> None:
-    """Copies files from staging and template directories into current working dir.
-
-    """
+    """Copies files from staging and template directories into current working dir."""
     logging.basicConfig(level=logging.INFO)
 
     logger.debug("owlbot_main called")

synthtool/languages/python.py

@@ -56,7 +56,7 @@ def fix_pb2_headers(*, proto_root: str = "**/*_pb2.py") -> None:
     s.replace(
         proto_root,
         PB2_HEADER,
-        fr"\g<1>{LICENSE}\n\n\g<2>",  # change order to avoid stacking replacements
+        rf"\g<1>{LICENSE}\n\n\g<2>",  # change order to avoid stacking replacements
         flags=re.DOTALL | re.MULTILINE,
     )
 
@@ -65,7 +65,7 @@ def fix_pb2_grpc_headers(*, proto_root: str = "**/*_pb2_grpc.py") -> None:
     s.replace(
         proto_root,
         PB2_GRPC_HEADER,
-        fr"{LICENSE}\n\n\g<1>\n\n\g<2>",  # add line breaks to avoid stacking replacements
+        rf"{LICENSE}\n\n\g<1>\n\n\g<2>",  # add line breaks to avoid stacking replacements
     )
 
 
@@ -150,15 +150,15 @@ def py_samples(*, root: PathOrStr = None, skip_readmes: bool = False) -> None:
 
 def configure_previous_major_version_branches() -> None:
     """Configure releases from previous major version branches by editing
-     `.github/release-please.yml`.
+    `.github/release-please.yml`.
 
-     The current library version is obtained from `version.py` in `google/**/version.py`,
-     or the `setup.py`.
+    The current library version is obtained from `version.py` in `google/**/version.py`,
+    or the `setup.py`.
 
-     Releases are configured for all previous major versions. For example,
-     if the library version is currently 3.5.1, the release-please config
-     will include v2, v1, and v0.
-     """
+    Releases are configured for all previous major versions. For example,
+    if the library version is currently 3.5.1, the release-please config
+    will include v2, v1, and v0.
+    """
     if list(Path(".").glob("google/**/version.py")):
         version_file = list(Path(".").glob("google/**/version.py"))[0]
     else:

synthtool/sources/git.py

@@ -72,7 +72,10 @@ def _local_default_branch(path: pathlib.Path) -> Union[str, None]:
 
 
 def clone(
-    url: str, dest: pathlib.Path = None, committish: str = None, force: bool = False,
+    url: str,
+    dest: pathlib.Path = None,
+    committish: str = None,
+    force: bool = False,
 ) -> pathlib.Path:
     """Clones a remote git repo.
 

synthtool/transforms.py

@@ -137,7 +137,8 @@ def _copy_dir_to_existing_dir(
                         _merge_file(source_path, dest_path, merge)
                     except Exception:
                         logger.exception(
-                            "_merge_file failed for %s, fall back to copy", source_path,
+                            "_merge_file failed for %s, fall back to copy",
+                            source_path,
                         )
                         shutil.copy2(str(source_path), str(dest_path))
                 else:
@@ -147,7 +148,9 @@ def _copy_dir_to_existing_dir(
     return copied
 
 
-def dont_overwrite(patterns: ListOfPathsOrStrs,) -> Callable[[str, str, Path], str]:
+def dont_overwrite(
+    patterns: ListOfPathsOrStrs,
+) -> Callable[[str, str, Path], str]:
     """Returns a merge function that doesn't overwrite the specified files.
 
     Pass the return value to move() or copy() to avoid overwriting existing

tests/test_php.py

@@ -51,8 +51,7 @@ def docker_image():
 
 @pytest.fixture(scope="session")
 def hybrid_tmp_path():
-    """A tmp dir implementation both for local run and on Kokoro.
-    """
+    """A tmp dir implementation both for local run and on Kokoro."""
     # Trampoline mount KOKORO_ROOT at the same path.
     # So we can mount files under there with docker in docker.
     hybrid_dir = os.environ.get("KOKORO_ROOT", None)
@@ -65,8 +64,7 @@ def hybrid_tmp_path():
 
 @pytest.fixture(scope="function", params=["php_asset"])
 def copy_fixture(request, hybrid_tmp_path):
-    """A fixture for preparing test data.
-    """
+    """A fixture for preparing test data."""
     param = request.param
     test_dir = Path(f"{hybrid_tmp_path}/{param}")
 

tests/test_python_library.py

@@ -137,7 +137,10 @@
 )
 def test_library_noxfile(template_kwargs, expected_text):
     t = templates.Templates(PYTHON_LIBRARY)
-    result = t.render("noxfile.py.j2", **template_kwargs,).read_text()
+    result = t.render(
+        "noxfile.py.j2",
+        **template_kwargs,
+    ).read_text()
     # Validate Python syntax.
     result_code = compile(result, "noxfile.py", "exec")
     assert result_code is not None