Bump minimum protobuf to 5.27.x

.github/workflows/tests.yaml

@@ -56,7 +56,7 @@ jobs:
       # Run showcase tests on the lowest and highest supported runtimes
       matrix:
         # TODO(https://github.com/googleapis/gapic-generator-python/issues/2121) Remove `showcase_w_rest_async` target when async rest is GA.
-        python: ["3.7", "3.13"]
+        python: ["3.8", "3.13"]
         target: [showcase, showcase_alternative_templates, showcase_w_rest_async]
     runs-on: ubuntu-latest
     steps:
@@ -140,7 +140,7 @@ jobs:
   showcase-unit:
     strategy:
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         # TODO(https://github.com/googleapis/gapic-generator-python/issues/2121) Remove `_w_rest_async` variant when async rest is GA.
         variant: ['', _alternative_templates, _mixins, _alternative_templates_mixins, _w_rest_async]
     runs-on: ubuntu-latest
@@ -240,7 +240,7 @@ jobs:
   unit:
     strategy:
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -261,7 +261,7 @@ jobs:
   fragment:
     strategy:
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         variant: ['', _alternative_templates]
     runs-on: ubuntu-latest
     steps:

gapic/templates/mypy.ini.j2

@@ -1,3 +1,3 @@
 [mypy]
-python_version = 3.7
+python_version = 3.8
 namespace_packages = True

gapic/templates/noxfile.py.j2

@@ -13,7 +13,6 @@ import sys
 import nox  # type: ignore
 
 ALL_PYTHON = [
-    "3.7",
     "3.8",
     "3.9",
     "3.10",

gapic/templates/setup.py.j2

@@ -32,14 +32,16 @@ else:
     release_status = "Development Status :: 5 - Production/Stable"
 
 dependencies = [
-    "google-api-core[grpc] >= 1.34.1, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*,!=2.8.*,!=2.9.*,!=2.10.*",
+    {# google-api-core >= 2.19.1 is needed for protobuf 5.x support #}
+    "google-api-core[grpc] >= 2.19.1, <3.0.0dev",
     # Exclude incompatible versions of `google-auth`
     # See https://github.com/googleapis/google-cloud-python/issues/12364
     "google-auth >= 2.14.1, <3.0.0dev,!=2.24.0,!=2.25.0",
-    "proto-plus >= 1.22.3, <2.0.0dev",
+    {# proto-plus >= 1.24.0 is needed for protobuf 5.x support #}
+    "proto-plus >= 1.24.0, <2.0.0dev",
     "proto-plus >= 1.25.0, <2.0.0dev; python_version >= '3.13'",
-    {# Explicitly exclude protobuf versions mentioned in https://cloud.google.com/support/bulletins#GCP-2022-019 #}
-    "protobuf>=3.20.2,<6.0.0dev,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
+    # protobuf >= 5.27.0 is needed which supports `google.protobuf.runtime_version`
+    "protobuf>=5.27.0,<6.0.0dev",
     {% for package_tuple, package_info in pypi_packages.items() %}
     {# Quick check to make sure the package is different from this setup.py #}
     {% if api.naming.warehouse_package_name != package_info.package_name %}
@@ -86,7 +88,6 @@ setuptools.setup(
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
@@ -98,7 +99,7 @@ setuptools.setup(
     ],
     platforms="Posix; MacOS X; Windows",
     packages=packages,
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     install_requires=dependencies,
     extras_require=extras,
     include_package_data=True,

gapic/templates/testing/constraints-3.8.txt.j2

@@ -1,4 +1,22 @@
-# -*- coding: utf-8 -*-
-{% block constraints %}
-{% include "testing/_default_constraints.j2" %}
-{% endblock %}
+{% from '_pypi_packages.j2' import pypi_packages %}
+# 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 "google-cloud-foo >= 1.14.0, < 2.0.0dev",
+# Then this file should have google-cloud-foo==1.14.0
+# google-api-core >= 2.19.1 is needed for protobuf 5.x support
+google-api-core==2.19.1
+google-auth==2.14.1
+# proto-plus >= 1.24.0 is needed for protobuf 5.x support
+proto-plus==1.24.0
+# protobuf 5.27.0 is needed which supports `google.protobuf.runtime_version`
+protobuf==5.27.2
+{% for package_tuple, package_info in pypi_packages.items() %}
+{# Quick check to make sure the package is different from this setup.py #}
+{% if api.naming.warehouse_package_name != package_info.package_name %}
+{% if api.requires_package(package_tuple) %}
+{{ package_info.package_name }}=={{ package_info.lower_bound }}
+{% endif %}
+{% endif %}
+{% endfor %}

mypy.ini

@@ -1,2 +1,2 @@
 [mypy]
-python_version = 3.7
+python_version = 3.8

noxfile.py

@@ -34,7 +34,6 @@
 
 
 ALL_PYTHON = (
-    "3.7",
     "3.8",
     "3.9",
     "3.10",
@@ -314,11 +313,11 @@ def showcase_library(
             f"{tmp_dir}/testing/constraints-{session.python}.txt"
             )
             # Install the library with a constraints file.
-            if session.python == "3.7":
+            if session.python == "3.8":
                 session.install("-e", tmp_dir, "-r", constraints_path)
                 if rest_async_io_enabled:
                     # NOTE: We re-install `google-api-core` and `google-auth` to override the respective
-                    # versions for each specified in constraints-3.7.txt. This is needed because async REST
+                    # versions for each specified in constraints-3.8.txt. This is needed because async REST
                     # is not supported with the minimum version of `google-api-core` and `google-auth`.
                     # TODO(https://github.com/googleapis/gapic-generator-python/issues/2211): Remove hardcoded dependencies
                     # from here and add a new constraints file for testing the minimum supported versions for async REST feature.
@@ -454,7 +453,7 @@ def run_showcase_unit_tests(session, fail_under=100, rest_async_io_enabled=False
     # Run the tests.
     # NOTE: async rest is not supported against the minimum supported version of google-api-core.
     # Therefore, we ignore the coverage requirement in this case.
-    if session.python == "3.7" and rest_async_io_enabled:
+    if session.python == "3.8" and rest_async_io_enabled:
         session.run(
             "py.test",
             *(

setup.py

@@ -28,14 +28,15 @@
     # Ensure that the lower bounds of these dependencies match what we have in the
     # templated setup.py.j2: https://github.com/googleapis/gapic-generator-python/blob/main/gapic/templates/setup.py.j2
     "click >= 6.7",
-    "google-api-core[grpc] >= 1.34.1, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*,!=2.8.*,!=2.9.*,!=2.10.*",
+    # google-api-core >= 2.19.1 Required for protobuf 5.x support
+    "google-api-core[grpc] >= 2.19.1, <3.0.0dev",
     "googleapis-common-protos >= 1.55.0",
     "grpcio >= 1.24.3",
     # 2.11.0 is required which adds the `default` argument to `jinja-filters.map()`
     # https://jinja.palletsprojects.com/en/3.0.x/templates/#jinja-filters.map
     # https://jinja.palletsprojects.com/en/2.11.x/changelog/#version-2-11-0
     "jinja2 >= 2.11",
-    "protobuf>=3.20.2,<6.0.0dev,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
+    "protobuf>=5.27.0,<6.0.0dev",
     "pypandoc >= 1.4",
     "PyYAML >= 5.1.1",
     "grpc-google-iam-v1 >= 0.12.4, < 1.0.0dev",
@@ -70,7 +71,6 @@
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
@@ -82,7 +82,7 @@
         "Topic :: Software Development :: Libraries :: Python Modules",
     ],
     platforms="Posix; MacOS X",
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     install_requires=dependencies,
     include_package_data=True,
     zip_safe=False,