adds back in code that was removed

Author: chalmerlowe

setup.py

@@ -62,7 +62,7 @@ def readme():
         # https://github.com/grpc/grpc/pull/15254
         "grpcio >= 1.47.0, < 2.0.0",
         "grpcio >= 1.49.1, < 2.0.0; python_version>='3.11'",
-        "pyarrow >= 3.0.0",
+        "pyarrow >= 5.0.0",
     ],
 }
 

sqlalchemy_bigquery/__init__.py

@@ -48,14 +48,17 @@
 from . import _versions_helpers
 
 sys_major, sys_minor, sys_micro = _versions_helpers.extract_runtime_version()
+
+# Now that support for Python 3.7 and 3.8 has been removed, we don't expect the
+# following check to succeed. The warning is only included for robustness.
 if sys_major == 3 and sys_minor in (7, 8):
     warnings.warn(
-        "The python-bigquery library will stop supporting Python 3.7 "
-        "and Python 3.8 in a future major release expected in Q4 2024. "
+        "The python-bigquery-sqlalchemy library no longer supports Python 3.7 "
+        "and Python 3.8. "
         f"Your Python version is {sys_major}.{sys_minor}.{sys_micro}. We "
         "recommend that you update soon to ensure ongoing support. For "
         "more details, see: [Google Cloud Client Libraries Supported Python Versions policy](https://cloud.google.com/python/docs/supported-python-versions)",
-        PendingDeprecationWarning,
+        FutureWarning,
     )
 
 

testing/constraints-3.9.txt

@@ -0,0 +1,13 @@
+# This constraints file is used to check that lower bounds
+# are correct in setup.py
+# List *all* library dependencies and extras in this file.
+# Pin the version to the lower bound.
+#
+# e.g., if setup.py has "foo >= 1.14.0, < 2.0.0dev",
+sqlalchemy==1.4.16
+google-auth==1.25.0
+google-cloud-bigquery==3.3.6
+google-cloud-bigquery-storage==2.0.0
+google-api-core==1.31.5
+grpcio==1.47.0
+numpy==1.26.4