fix kokoro configs

Author: daniel-sanche

.kokoro/presubmit/common.cfg

@@ -7,6 +7,12 @@ action {
   }
 }
 
+# TODO: remove after deprecating 3.7 and 3.8
+env_vars: {
+    key: "NOX_SESSION"
+    value: "unit-3.9 unit-3.10 unit-3.11 unit-3.12 unit-3.13 unit-3.14 docs lint lint_setup_py blacken cover"
+}
+
 # Download trampoline resources.
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 

.kokoro/presubmit/system.cfg

@@ -0,0 +1,7 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Only run this nox session.
+env_vars: {
+    key: "NOX_SESSION"
+    value: "system-3.9"
+}

mypy.ini

@@ -1,6 +1,9 @@
 [mypy]
-python_version = 3.8
+python_version = 3.9
 namespace_packages = True
+check_untyped_defs = True
+warn_unreachable = True
+disallow_any_generics = True
 exclude = tests/unit/gapic/
 
 [mypy-grpc.*]
@@ -26,3 +29,10 @@ ignore_missing_imports = True
 
 [mypy-pytest]
 ignore_missing_imports = True
+
+[mypy-google.cloud.*]
+ignore_errors = True
+
+# only verify data client
+[mypy-google.cloud.bigtable.data.*]
+ignore_errors = False

noxfile.py

@@ -32,7 +32,7 @@
 ISORT_VERSION = "isort==5.11.0"
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
-DEFAULT_PYTHON_VERSION = "3.8"
+DEFAULT_PYTHON_VERSION = "3.9"
 
 UNIT_TEST_PYTHON_VERSIONS: List[str] = [
     "3.7",
@@ -149,20 +149,7 @@ def mypy(session):
         "mypy", "types-setuptools", "types-protobuf", "types-mock", "types-requests"
     )
     session.install("google-cloud-testutils")
-    session.run(
-        "mypy",
-        "-p",
-        "google.cloud.bigtable.data",
-        "--check-untyped-defs",
-        "--warn-unreachable",
-        "--disallow-any-generics",
-        "--exclude",
-        "tests/system/v2_client",
-        "--exclude",
-        "tests/unit/v2_client",
-        "--disable-error-code",
-        "func-returns-value",  # needed for CrossSync.rm_aio
-    )
+    session.run("mypy", "-p", "google.cloud.bigtable.data")
 
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)
@@ -211,11 +198,6 @@ def unit(session, protobuf_implementation):
     if protobuf_implementation == "cpp" and py_version >= (3, 11):
         session.skip("cpp implementation is not supported in python 3.11+")
 
-    # Skip python 3.7 and 3.8 tests if not available in kokoro environment
-    # TODO: remove when 3.7 and 3.8 are dropped
-    if py_version < (3, 9) and os.getenv("KOKORO_BUILD_ID"):
-        session.skip("skipping deprecated python versions")
-
     constraints_path = str(
         CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
     )