chore(generator): centralize mypy configuration and regenerate google-cloud-datastore POC

.librarian/generator-input/client-post-processing/datastore-integration.yaml

@@ -39,42 +39,6 @@ replacements:
           "google-cloud-core >= 2.0.0, <3.0.0",
           "grpcio >= 1.59.0, < 2.0.0",
     count: 1
-  - paths: [
-      "packages/google-cloud-datastore/mypy.ini",
-    ]
-    before: |-
-      # Performance: reuse results from previous runs to speed up 'nox'
-      incremental = True
-    after: |-
-      # Performance: reuse results from previous runs to speed up "nox"
-      incremental = True
-
-      [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
-
-      # TODO(https://github.com/googleapis/gapic-generator-python/issues/2410):
-      # Remove once this generator bug is fixed
-      [mypy-google.cloud.datastore_v1.services.datastore.client]
-      ignore_errors = True
-    count: 1
-  - paths: [
-      "packages/google-cloud-datastore/mypy.ini",
-    ]
-    before: |
-      ignore_missing_imports = False
-
-      # TODO\(https://github.com/googleapis/gapic-generator-python/issues/2563\):
-      # Dependencies that historically lacks py.typed markers
-      \[mypy-google\.iam\.\*\]
-      ignore_missing_imports = True
-    after: |
-      ignore_missing_imports = True
-    count: 1
   - paths: [
       "packages/google-cloud-datastore/docs/index.rst",
     ]

mypy.ini

@@ -0,0 +1,110 @@
+[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/
+  )
+
+
+# ==============================================================================
+# GLOBAL THIRD-PARTY & SHARED LIBRARY IGNORES
+# ==============================================================================
+
+[mypy-anywidget]
+ignore_missing_imports = True
+
+[mypy-cloudpickle.*]
+ignore_missing_imports = True
+
+[mypy-flask]
+ignore_missing_imports = True
+
+[mypy-google.auth.*]
+ignore_missing_imports = True
+
+[mypy-google.cloud.bigtable]
+ignore_missing_imports = True
+
+[mypy-google.cloud.pubsub]
+ignore_missing_imports = True
+
+[mypy-google.colab]
+ignore_missing_imports = True
+
+[mypy-google.iam.*]
+ignore_missing_imports = True
+
+[mypy-google.longrunning.*]
+ignore_missing_imports = True
+
+[mypy-google.oauth2.*]
+ignore_missing_imports = True
+
+[mypy-google.protobuf.*]
+ignore_missing_imports = True
+
+[mypy-google.rpc.*]
+ignore_missing_imports = True
+
+[mypy-google.type.*]
+ignore_missing_imports = True
+
+[mypy-grpc.*]
+ignore_missing_imports = True
+
+[mypy-ibis.*]
+ignore_missing_imports = True
+
+[mypy-ipywidgets]
+ignore_missing_imports = True
+
+[mypy-proto.*]
+ignore_missing_imports = True
+
+[mypy-pyarrow.*]
+ignore_missing_imports = True
+
+[mypy-pydata_google_auth]
+ignore_missing_imports = True
+
+[mypy-pytest]
+ignore_missing_imports = True
+
+[mypy-pytz]
+ignore_missing_imports = True
+
+
+# ==============================================================================
+# PACKAGE-SPECIFIC OVERRIDES & EXCEPTIONS
+# ==============================================================================
+
+# --- google-cloud-bigtable ---
+[mypy-google.cloud.bigtable.*]
+ignore_errors = True
+
+[mypy-google.cloud.bigtable.data.*]
+check_untyped_defs = True
+warn_unreachable = True
+disallow_any_generics = True
+ignore_errors = False
+
+# --- 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/gapic-generator/gapic/ads-templates/noxfile.py.j2

@@ -3,10 +3,16 @@
 {% block content %}
 
 import os
+import pathlib
 
 import nox  # type: ignore
 
 
+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")
+
+
 # TODO(https://github.com/googleapis/gapic-generator-python/issues/2450):
 # Add tests for Python 3.15 alpha1
 # https://peps.python.org/pep-0790/
@@ -44,6 +50,7 @@ def mypy(session):
     session.install('.')
     session.run(
         'mypy',
+        f"--config-file={MYPY_CONFIG_FILE}",
         {% if api.naming.module_namespace %}
         '{{ api.naming.module_namespace[0] }}',
         {% else %}

packages/gapic-generator/gapic/templates/noxfile.py.j2

@@ -40,6 +40,8 @@ DEFAULT_PYTHON_VERSION = "3.14"
 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 = (
@@ -101,6 +103,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         {% if api.naming.module_namespace %}
         "{{ api.naming.module_namespace[0] }}",

packages/gapic-generator/tests/integration/goldens/asset/noxfile.py

@@ -47,6 +47,8 @@
 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 = (
@@ -108,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/gapic-generator/tests/integration/goldens/credentials/noxfile.py

@@ -47,6 +47,8 @@
 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 = (
@@ -108,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/gapic-generator/tests/integration/goldens/eventarc/noxfile.py

@@ -47,6 +47,8 @@
 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 = (
@@ -108,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/gapic-generator/tests/integration/goldens/logging/noxfile.py

@@ -47,6 +47,8 @@
 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 = (
@@ -108,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",

packages/gapic-generator/tests/integration/goldens/logging_internal/noxfile.py

@@ -47,6 +47,8 @@
 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 = (
@@ -108,6 +110,7 @@ def mypy(session):
     session.install(".")
     session.run(
         "mypy",
+        f"--config-file={MYPY_CONFIG_FILE}",
         "-p",
         "google",
         "--check-untyped-defs",