chore(handwritten): centralize mypy configuration and update handwritten package noxfiles

mypy.ini

@@ -0,0 +1,93 @@
+[mypy]
+namespace_packages = True
+ignore_missing_imports = False
+
+# Helps mypy navigate the "google" namespace more reliably in 3.10+
+explicit_package_bases = True
+
+# Performance: reuse results from previous runs to speed up "nox"
+incremental = True
+
+exclude = (?x)(
+    ^third_party/
+  | tests/unit/resources/
+  | tests/unit/gapic/
+  )
+
+# TODO(https://github.com/googleapis/gapic-generator-python/issues/2563):
+# Dependencies that historically lacks py.typed markers
+[mypy-google.iam.*]
+ignore_missing_imports = True
+
+[mypy-google.type.*]
+ignore_missing_imports = True
+
+
+# ==============================================================================
+# PACKAGE-SPECIFIC OVERRIDES
+# ==============================================================================
+
+# --- google-cloud-core ---
+[mypy-google.protobuf.*]
+ignore_missing_imports = True
+
+# --- bigframes ---
+[mypy-cloudpickle.*]
+ignore_missing_imports = True
+[mypy-flask]
+ignore_missing_imports = True
+[mypy-pydata_google_auth]
+ignore_missing_imports = True
+[mypy-google.colab]
+ignore_missing_imports = True
+[mypy-pytz]
+ignore_missing_imports = True
+[mypy-pyarrow.*]
+ignore_missing_imports = True
+[mypy-ibis.*]
+ignore_missing_imports = True
+[mypy-ipywidgets]
+ignore_missing_imports = True
+[mypy-google.cloud.pubsub]
+ignore_missing_imports = True
+[mypy-google.cloud.bigtable]
+ignore_missing_imports = True
+[mypy-anywidget]
+ignore_missing_imports = True
+
+# --- google-cloud-bigtable ---
+[mypy-google.cloud.bigtable.*]
+check_untyped_defs = True
+warn_unreachable = True
+disallow_any_generics = True
+ignore_errors = True
+
+[mypy-google.cloud.bigtable.data.*]
+ignore_errors = False
+
+[mypy-grpc.*]
+ignore_missing_imports = True
+[mypy-google.auth.*]
+ignore_missing_imports = True
+[mypy-google.longrunning.*]
+ignore_missing_imports = True
+[mypy-google.oauth2.*]
+ignore_missing_imports = True
+[mypy-google.rpc.*]
+ignore_missing_imports = True
+[mypy-proto.*]
+ignore_missing_imports = True
+[mypy-pytest]
+ignore_missing_imports = True
+
+# --- google-cloud-datastore ---
+[mypy-google.cloud.datastore._app_engine_key_pb2]
+ignore_errors = True
+
+# TODO(https://github.com/googleapis/gapic-generator-python/issues/2410):
+# Remove once this generator bug is fixed
+[mypy-google.cloud.datastore_v1.services.datastore.async_client]
+ignore_errors = True
+
+[mypy-google.cloud.datastore_v1.services.datastore.client]
+ignore_errors = True

packages/bigframes/noxfile.py

@@ -114,6 +114,9 @@
 LOGGING_NAME_ENV_VAR = "BIGFRAMES_PERFORMANCE_LOG_NAME"
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = str(CURRENT_DIRECTORY.parent.parent / "mypy.ini")
+
 
 # Sessions are executed in the order so putting the smaller sessions
 # ahead to fail fast at presubmit running.
@@ -1086,6 +1089,7 @@ def mypy(session):
     shutil.rmtree(".mypy_cache", ignore_errors=True)
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "bigframes",
         os.path.join("tests", "system"),
         os.path.join("tests", "unit"),

packages/google-auth/noxfile.py

@@ -20,6 +20,9 @@
 import nox
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = str(CURRENT_DIRECTORY.parent.parent / "mypy.ini")
+
 
 CLICK_VERSION = "click"
 BLACK_VERSION = "black==23.7.0"
@@ -156,7 +159,16 @@ def mypy(session):
         "types-mock",
         "pytest<8.0.0",
     )
-    session.run("mypy", "-p", "google", "-p", "tests", "-p", "tests_async")
+    session.run(
+        "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
+        "-p",
+        "google",
+        "-p",
+        "tests",
+        "-p",
+        "tests_async",
+    )
 
 
 @nox.session(python=ALL_PYTHON)

packages/google-backstory/noxfile.py

@@ -46,6 +46,9 @@
 PREVIEW_PYTHON_VERSION = "3.14"
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = str(CURRENT_DIRECTORY.parent.parent / "mypy.ini")
+
 
 if (CURRENT_DIRECTORY / "testing").exists():
     LOWER_BOUND_CONSTRAINTS_FILE = (
@@ -107,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/google-cloud-appengine-logging/noxfile.py

@@ -46,6 +46,9 @@
 PREVIEW_PYTHON_VERSION = "3.14"
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = str(CURRENT_DIRECTORY.parent.parent / "mypy.ini")
+
 
 if (CURRENT_DIRECTORY / "testing").exists():
     LOWER_BOUND_CONSTRAINTS_FILE = (
@@ -107,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/google-cloud-bigquery-logging/noxfile.py

@@ -46,6 +46,9 @@
 PREVIEW_PYTHON_VERSION = "3.14"
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = str(CURRENT_DIRECTORY.parent.parent / "mypy.ini")
+
 
 if (CURRENT_DIRECTORY / "testing").exists():
     LOWER_BOUND_CONSTRAINTS_FILE = (
@@ -107,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/google-cloud-common/noxfile.py

@@ -46,6 +46,9 @@
 PREVIEW_PYTHON_VERSION = "3.14"
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = str(CURRENT_DIRECTORY.parent.parent / "mypy.ini")
+
 
 if (CURRENT_DIRECTORY / "testing").exists():
     LOWER_BOUND_CONSTRAINTS_FILE = (
@@ -107,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/google-cloud-core/noxfile.py

@@ -33,6 +33,8 @@
     "3.14",
 ]
 CURRENT_DIRECTORY = os.path.abspath(os.path.dirname(__file__))
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = os.path.join(os.path.dirname(os.path.dirname(CURRENT_DIRECTORY)), "mypy.ini")
 
 # Error if a python version is missing
 nox.options.error_on_missing_interpreters = True
@@ -62,7 +64,14 @@ def mypy(session):
         "types-mock",
         "types-protobuf!=4.24.0.20240106",
     )
-    session.run("mypy", "-p", "google", "-p", "tests")
+    session.run(
+        "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
+        "-p",
+        "google",
+        "-p",
+        "tests",
+    )
 
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)

packages/google-cloud-iam-logging/noxfile.py

@@ -46,6 +46,9 @@
 PREVIEW_PYTHON_VERSION = "3.14"
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+MYPY_CONFIG_FILE = str(CURRENT_DIRECTORY.parent.parent / "mypy.ini")
+
 
 if (CURRENT_DIRECTORY / "testing").exists():
     LOWER_BOUND_CONSTRAINTS_FILE = (
@@ -107,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",