chore: update repo URLs and references and check for Ruff

Author: chalmerlowe

packages/google-cloud-spanner/.repo-metadata.json

@@ -7,7 +7,7 @@
     "release_level": "stable",
     "language": "python",
     "library_type": "GAPIC_COMBO",
-    "repo": "googleapis/python-spanner",
+    "repo": "googleapis/google-cloud-python",
     "distribution_name": "google-cloud-spanner",
     "api_id": "spanner.googleapis.com",
     "requires_billing": true,

packages/google-cloud-spanner/noxfile.py

@@ -228,6 +228,8 @@ def install_unittest_dependencies(session, *constraints):
 def unit(session, protobuf_implementation):
     # Install all test dependencies, then install this package in-place.
 
+    if session.python in ("3.7",):
+        session.skip("Python 3.7 is no longer supported")
     if protobuf_implementation == "cpp" and session.python in (
         "3.11",
         "3.12",

packages/google-cloud-spanner/setup.py

@@ -58,7 +58,7 @@
 ]
 extras = {"libcst": "libcst >= 0.2.5"}
 
-url = "https://github.com/googleapis/python-spanner"
+url = "https://github.com/googleapis/google-cloud-python/tree/main/packages/google-cloud-spanner"
 
 package_root = os.path.abspath(os.path.dirname(__file__))