From d2ccdf69559fa28b0447dde2cbb16df690d81fe3 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:20:20 -0400
Subject: [PATCH 01/21] ci: remove Python 3.7 from run_single_test.sh

---
 ci/run_single_test.sh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/ci/run_single_test.sh b/ci/run_single_test.sh
index f7d6a53e7edd..a01d92e55b15 100755
--- a/ci/run_single_test.sh
+++ b/ci/run_single_test.sh
@@ -16,7 +16,7 @@
 
 # This script requires the following environment variables to be set:
 # `TEST_TYPE` should be one of ["lint", "lint_setup_py", "docs", "docfx", "prerelease"]
-# `PY_VERSION` should be one of ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+# `PY_VERSION` should be one of ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
 # This script is called by the `ci/run_conditional_tests.sh` script.
 # A specific `nox` session will be run, depending on the value of 
@@ -70,10 +70,6 @@ case ${TEST_TYPE} in
         ;;
     unit)
         case ${PY_VERSION} in
-        "3.7")
-            nox -s unit-3.7
-            retval=$?
-            ;;
         "3.8")
             nox -s unit-3.8
             retval=$?

From 09ad9e1a799663480a6a6bc3e6b7469d42457937 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:20:42 -0400
Subject: [PATCH 02/21] chore(templates): update python version in mypy.ini.j2
 to 3.8

---
 packages/gapic-generator/gapic/ads-templates/mypy.ini.j2 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2 b/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2
index 574c5aed394b..beaa679a8d2b 100644
--- a/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2
+++ b/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2
@@ -1,3 +1,3 @@
 [mypy]
-python_version = 3.7
+python_version = 3.8
 namespace_packages = True

From ea3801ee1ff5268995ecfb4ee16ac75b1a08776f Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:21:39 -0400
Subject: [PATCH 03/21] docs(gapic-generator): update Python version in
 index.rst to 3.8+

---
 packages/gapic-generator/docs/getting-started/index.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/gapic-generator/docs/getting-started/index.rst b/packages/gapic-generator/docs/getting-started/index.rst
index 6f288f6bb5c2..1215c6867ebf 100644
--- a/packages/gapic-generator/docs/getting-started/index.rst
+++ b/packages/gapic-generator/docs/getting-started/index.rst
@@ -2,7 +2,7 @@ Getting Started
 ---------------
 
 This code generator is implemented as a plugin to ``protoc``, the compiler
-for `protocol buffers`_, and will run in any environment that Python 3.7+ and
+for `protocol buffers`_, and will run in any environment that Python 3.8+ and
 protocol buffers do.
 
 It is recommended to install the tool locally and run it through ``protoc``.

From e57206dd29be351f41d6e4af6d05af2e68c030de Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:22:03 -0400
Subject: [PATCH 04/21] docs(gapic-generator): update Python version in
 bazel.rst to 3.8+

---
 packages/gapic-generator/docs/getting-started/bazel.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/gapic-generator/docs/getting-started/bazel.rst b/packages/gapic-generator/docs/getting-started/bazel.rst
index 21af6d43fb42..3d8cea77bde6 100644
--- a/packages/gapic-generator/docs/getting-started/bazel.rst
+++ b/packages/gapic-generator/docs/getting-started/bazel.rst
@@ -29,7 +29,7 @@ install it is simply downloading the binary and making it executable:
 Python and Dependencies
 ~~~~~~~~~~~~~~~~~~~~~~~
 Bazel build is mostly hermetic, with a few exceptions for Python generator.
-Specifically it expects Python 3.7+ with the python dev packages to be installed.
+Specifically it expects Python 3.8+ with the python dev packages to be installed.
 
 On Linux, to install those, simply run:
 

From 8279e27e3c57bedc4c898474202b0398a94f6c29 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:22:22 -0400
Subject: [PATCH 05/21] docs(gapic-generator): update Python version in
 _verifying.rst to 3.8

---
 packages/gapic-generator/docs/getting-started/_verifying.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/gapic-generator/docs/getting-started/_verifying.rst b/packages/gapic-generator/docs/getting-started/_verifying.rst
index 325090ed1aa3..5cc7e26a2d44 100644
--- a/packages/gapic-generator/docs/getting-started/_verifying.rst
+++ b/packages/gapic-generator/docs/getting-started/_verifying.rst
@@ -8,7 +8,7 @@ Create a virtual environment for the library:
 
 .. code-block:: shell
 
-  $ virtualenv ~/.local/client-lib --python=`which python3.7`
+  $ virtualenv ~/.local/client-lib --python=`which python3.8`
   $ source ~/.local/client-lib/bin/activate
 
 Next, install the library:

From f377a01c54fbd124f5573c4c0657f46e622d0c32 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:36:08 -0400
Subject: [PATCH 06/21] chore(templates): update Python version requirement and
 clean up __init__.py.j2

---
 .../gapic/ads-templates/%namespace/%name/__init__.py.j2   | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2 b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2
index abdafe27172a..eca52e4449b4 100644
--- a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2
+++ b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2
@@ -6,8 +6,8 @@ import importlib
 import sys
 
 
-if sys.version_info < (3, 7):
-    raise ImportError('This module requires Python 3.7 or later.')
+if sys.version_info < (3, 8):
+    raise ImportError('This module requires Python 3.8 or later.')
 
 
 _lazy_type_to_package_map = {
@@ -30,14 +30,14 @@ _lazy_type_to_package_map = {
 
 
 # Background on how this behaves: https://www.python.org/dev/peps/pep-0562/
-def __getattr__(name):  # Requires Python >= 3.7
+def __getattr__(name):
     if name == '__all__':
         all_names = globals()['__all__'] = sorted(_lazy_type_to_package_map)
         return all_names
     elif name in _lazy_type_to_package_map:
         module = importlib.import_module(f'{_lazy_type_to_package_map[name]}')
         klass = getattr(module, name)
-        {# new_klass = type(name, (klass,), {'__doc__': klass.__doc__}) #}
+
         globals()[name] = klass
         return klass
     else:

From 042e3ef0320360bfe23ed7acca7218f05578f712 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:36:11 -0400
Subject: [PATCH 07/21] chore(templates): update Python version requirement and
 clean up versioned __init__.py.j2

---
 .../%namespace/%name/%version/__init__.py.j2              | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2 b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2
index 5a8d6d6bacbc..00353bc6b47f 100644
--- a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2
+++ b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2
@@ -11,8 +11,8 @@ from {{package_path}} import gapic_version as package_version
 __version__ = package_version.__version__
 
 
-if sys.version_info < (3, 7):
-    raise ImportError('This module requires Python 3.7 or later.')
+if sys.version_info < (3, 8):
+    raise ImportError('This module requires Python 3.8 or later.')
 
 
 _lazy_type_to_package_map = {
@@ -37,14 +37,14 @@ _lazy_type_to_package_map = {
 
 
 # Background on how this behaves: https://www.python.org/dev/peps/pep-0562/
-def __getattr__(name):  # Requires Python >= 3.7
+def __getattr__(name):
     if name == '__all__':
         all_names = globals()['__all__'] = sorted(_lazy_type_to_package_map)
         return all_names
     elif name in _lazy_type_to_package_map:
         module = importlib.import_module(f'{_lazy_type_to_package_map[name]}')
         klass = getattr(module, name)
-        {# new_klass = type(name, (klass,), {'__doc__': klass.__doc__}) #}
+
         globals()[name] = klass
         return klass
     else:

From e75c0f68a8002060b78f551cb52b1a343b41a747 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 07:51:39 -0400
Subject: [PATCH 08/21] chore(gapic-generator): remove outdated comment in
 options.py

---
 packages/gapic-generator/gapic/utils/options.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/gapic-generator/gapic/utils/options.py b/packages/gapic-generator/gapic/utils/options.py
index 30184f12c0a9..953972c543c0 100644
--- a/packages/gapic-generator/gapic/utils/options.py
+++ b/packages/gapic-generator/gapic/utils/options.py
@@ -57,7 +57,7 @@ class Options:
     OPT_FLAGS: FrozenSet[str] = frozenset(
         (
             "add-iam-methods",  # microgenerator implementation for `reroute_to_grpc_interface`
-            "lazy-import",  # requires >= 3.7
+            "lazy-import",
             "metadata",  # generate GAPIC metadata JSON file
             "old-naming",  # TODO(dovs): Come up with a better comment
             "retry-config",  # takes a path

From 0eb3b09d35aac3247e244b6b322e9c0f8c58168b Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 13:16:36 -0400
Subject: [PATCH 09/21] chore(gapic): update Python version requirement to 3.10
 in setup.py and noxfile.py

---
 packages/gapic-generator/noxfile.py | 5 ++---
 packages/gapic-generator/setup.py   | 3 +--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/packages/gapic-generator/noxfile.py b/packages/gapic-generator/noxfile.py
index d931a5258814..e170072d4696 100644
--- a/packages/gapic-generator/noxfile.py
+++ b/packages/gapic-generator/noxfile.py
@@ -44,7 +44,6 @@
 RUFF_EXCLUDES = "*golden*,*pb2.py,*pb2.pyi"
 
 ALL_PYTHON = (
-    "3.9",
     "3.10",
     "3.11",
     "3.12",
@@ -181,7 +180,7 @@ def fragment(session, use_ads_templates=False):
     session.install("-e", ".")
 
     # The specific failure is `Plugin output is unparseable`
-    if session.python in ("3.9", "3.10"):
+    if session.python == "3.10":
         session.install("google-api-core<2.28")
 
     frag_files = (
@@ -251,7 +250,7 @@ def showcase_library(
     # Warnings emitted from google-api-core starting in 2.28
     # appear to cause issues when running protoc.
     # The specific failure is `Plugin output is unparseable`
-    if session.python in ("3.9", "3.10"):
+    if session.python == "3.10":
         session.install("google-api-core<2.28")
 
     # Install a client library for Showcase.
diff --git a/packages/gapic-generator/setup.py b/packages/gapic-generator/setup.py
index 6bd32bc0caff..95c587d165ae 100644
--- a/packages/gapic-generator/setup.py
+++ b/packages/gapic-generator/setup.py
@@ -70,7 +70,6 @@
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -81,7 +80,7 @@
         "Topic :: Software Development :: Libraries :: Python Modules",
     ],
     platforms="Posix; MacOS X",
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     install_requires=dependencies,
     include_package_data=True,
     zip_safe=False,

From 830c66f0eb14d5bf7be2a25de7a80b90df56c526 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 13:16:47 -0400
Subject: [PATCH 10/21] chore(gapic): use functools.cache instead of lru_cache
 in wrappers.py

---
 packages/gapic-generator/gapic/schema/wrappers.py | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/packages/gapic-generator/gapic/schema/wrappers.py b/packages/gapic-generator/gapic/schema/wrappers.py
index f654d0a82d18..085132b4bf4e 100644
--- a/packages/gapic-generator/gapic/schema/wrappers.py
+++ b/packages/gapic-generator/gapic/schema/wrappers.py
@@ -1284,19 +1284,13 @@ def _to_regex(self, path_template: str) -> Pattern:
         return re.compile(f"^{self._convert_to_regex(path_template)}$")
 
     # Use caching to avoid repeated computation
-    # TODO(https://github.com/googleapis/gapic-generator-python/issues/2161):
-    # Use `@functools.cache` instead of `@functools.lru_cache` once python 3.8 is dropped.
-    # https://docs.python.org/3/library/functools.html#functools.cache
-    @functools.lru_cache(maxsize=None)
+    @functools.cache
     def to_regex(self) -> Pattern:
         return self._to_regex(self.path_template)
 
     @property
     # Use caching to avoid repeated computation
-    # TODO(https://github.com/googleapis/gapic-generator-python/issues/2161):
-    # Use `@functools.cache` instead of `@functools.lru_cache` once python 3.8 is dropped.
-    # https://docs.python.org/3/library/functools.html#functools.cache
-    @functools.lru_cache(maxsize=None)
+    @functools.cache
     def key(self) -> Union[str, None]:
         if self.path_template == "":
             return self.field

From eb0105071fbf225267e0ef0406037455928d5281 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 13:16:52 -0400
Subject: [PATCH 11/21] chore(gapic): update Python version in setup and mypy
 templates

---
 packages/gapic-generator/gapic/ads-templates/mypy.ini.j2 | 2 +-
 packages/gapic-generator/gapic/ads-templates/setup.py.j2 | 3 +--
 packages/gapic-generator/gapic/templates/setup.py.j2     | 3 +--
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2 b/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2
index beaa679a8d2b..cb397f571128 100644
--- a/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2
+++ b/packages/gapic-generator/gapic/ads-templates/mypy.ini.j2
@@ -1,3 +1,3 @@
 [mypy]
-python_version = 3.8
+python_version = 3.10
 namespace_packages = True
diff --git a/packages/gapic-generator/gapic/ads-templates/setup.py.j2 b/packages/gapic-generator/gapic/ads-templates/setup.py.j2
index b0230a674f4b..1684c2de1a61 100644
--- a/packages/gapic-generator/gapic/ads-templates/setup.py.j2
+++ b/packages/gapic-generator/gapic/ads-templates/setup.py.j2
@@ -64,7 +64,6 @@ setuptools.setup(
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -75,7 +74,7 @@ setuptools.setup(
     ],
     platforms="Posix; MacOS X; Windows",
     packages=packages,
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     install_requires=dependencies,
     include_package_data=True,
     zip_safe=False,
diff --git a/packages/gapic-generator/gapic/templates/setup.py.j2 b/packages/gapic-generator/gapic/templates/setup.py.j2
index 2a725f7a1c5e..b803e1b6df96 100644
--- a/packages/gapic-generator/gapic/templates/setup.py.j2
+++ b/packages/gapic-generator/gapic/templates/setup.py.j2
@@ -89,7 +89,6 @@ setuptools.setup(
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -100,7 +99,7 @@ setuptools.setup(
     ],
     platforms="Posix; MacOS X; Windows",
     packages=packages,
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     install_requires=dependencies,
     extras_require=extras,
     include_package_data=True,

From 9a6decef3be36cd6a4b9611d2211fda246a24155 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 13:17:02 -0400
Subject: [PATCH 12/21] chore(gapic): clean up Python version guards and
 imports in templates

---
 .../%namespace/%name/%version/__init__.py.j2  |  4 ++--
 .../%namespace/%name/__init__.py.j2           |  4 ++--
 .../%name_%version/%sub/__init__.py.j2        | 19 +++----------------
 .../%name_%version/%sub/test_%service.py.j2   |  8 ++------
 4 files changed, 9 insertions(+), 26 deletions(-)

diff --git a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2 b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2
index 00353bc6b47f..8bb1a4d8fc37 100644
--- a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2
+++ b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/__init__.py.j2
@@ -11,8 +11,8 @@ from {{package_path}} import gapic_version as package_version
 __version__ = package_version.__version__
 
 
-if sys.version_info < (3, 8):
-    raise ImportError('This module requires Python 3.8 or later.')
+if sys.version_info < (3, 10):
+    raise ImportError('This module requires Python 3.10 or later.')
 
 
 _lazy_type_to_package_map = {
diff --git a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2 b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2
index eca52e4449b4..6f8f58eb8b4f 100644
--- a/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2
+++ b/packages/gapic-generator/gapic/ads-templates/%namespace/%name/__init__.py.j2
@@ -6,8 +6,8 @@ import importlib
 import sys
 
 
-if sys.version_info < (3, 8):
-    raise ImportError('This module requires Python 3.8 or later.')
+if sys.version_info < (3, 10):
+    raise ImportError('This module requires Python 3.10 or later.')
 
 
 _lazy_type_to_package_map = {
diff --git a/packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/__init__.py.j2 b/packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/__init__.py.j2
index 9eb968dd011b..8b80bec9281a 100644
--- a/packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/__init__.py.j2
+++ b/packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/__init__.py.j2
@@ -10,12 +10,7 @@ import sys
 
 __version__ = package_version.__version__
 
-if sys.version_info >= (3, 8):  # pragma: NO COVER
-    from importlib import metadata
-else:  # pragma: NO COVER
-    # TODO(https://github.com/googleapis/python-api-core/issues/835): Remove
-    # this code path once we drop support for Python 3.7
-    import importlib_metadata as metadata
+from importlib import metadata
 
 {#  Import subpackages. -#}
 {% for subpackage, _ in api.subpackages|dictsort %}
@@ -65,20 +60,12 @@ else:   # pragma: NO COVER
 
         _py_version_str = sys.version.split()[0]
         _package_label = "{{package_path}}"
-        if sys.version_info < (3, 9):
+        if sys.version_info < (3, 10):
             warnings.warn("You are using a non-supported Python version " +
                           f"({_py_version_str}).  Google will not post any further " +
                           f"updates to {_package_label} supporting this Python version. " +
                           "Please upgrade to the latest Python version, or at " +
-                          f"least to Python 3.9, and then update {_package_label}.",
-                          FutureWarning)
-        if sys.version_info[:2] == (3, 9):
-            warnings.warn(f"You are using a Python version ({_py_version_str}) " +
-                          f"which Google will stop supporting in {_package_label} in " +
-                          "January 2026. Please " +
-                          "upgrade to the latest Python version, or at " +
-                          "least to Python 3.10, before then, and " +
-                          f"then update {_package_label}.",
+                          f"least to Python 3.10, and then update {_package_label}.",
                           FutureWarning)
 
         def parse_version_to_tuple(version_string: str):
diff --git a/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2 b/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
index 0a48dd6e1887..cb5f9c4d77df 100644
--- a/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
+++ b/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
@@ -10,12 +10,8 @@ import os
 {% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|list %}
 import re
 {% endif %}
-# try/except added for compatibility with python < 3.8
-try:
-    from unittest import mock
-    from unittest.mock import AsyncMock  # pragma: NO COVER
-except ImportError:  # pragma: NO COVER
-    import mock
+from unittest import mock
+from unittest.mock import AsyncMock
 
 import grpc
 from grpc.experimental import aio

From 3f6a95ceb4053737d58d51f69413a18646027609 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 06:26:56 -0400
Subject: [PATCH 13/21] ci: update Python version comment in
 run_conditional_tests.sh

---
 ci/run_conditional_tests.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/run_conditional_tests.sh b/ci/run_conditional_tests.sh
index 35505a059f65..afdb605b960d 100755
--- a/ci/run_conditional_tests.sh
+++ b/ci/run_conditional_tests.sh
@@ -17,7 +17,7 @@
 # `BUILD_TYPE` should be one of ["presubmit", "continuous"]
 # `TEST_TYPE` should be one of ["docs", "docfx", "prerelease", "unit"]
 # or match the name of the nox session that you want to run.
-# `PY_VERSION` should be one of ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+# `PY_VERSION` should be one of ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
 # `TEST_TYPE` and `PY_VERSION` are required by the script `ci/run_single_test.sh`
 

From 37f8f6a24d966e80db88985e48a6435049177544 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 14:08:12 -0400
Subject: [PATCH 14/21] chore(gapic): drop Python 3.8 and 3.9 from CI shell
 scripts

---
 ci/run_conditional_tests.sh |  2 +-
 ci/run_single_test.sh       | 10 +---------
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/ci/run_conditional_tests.sh b/ci/run_conditional_tests.sh
index afdb605b960d..9b8eaee52e5b 100755
--- a/ci/run_conditional_tests.sh
+++ b/ci/run_conditional_tests.sh
@@ -17,7 +17,7 @@
 # `BUILD_TYPE` should be one of ["presubmit", "continuous"]
 # `TEST_TYPE` should be one of ["docs", "docfx", "prerelease", "unit"]
 # or match the name of the nox session that you want to run.
-# `PY_VERSION` should be one of ["3.8", "3.9", "3.10", "3.11", "3.12"]
+# `PY_VERSION` should be one of ["3.10", "3.11", "3.12"]
 
 # `TEST_TYPE` and `PY_VERSION` are required by the script `ci/run_single_test.sh`
 
diff --git a/ci/run_single_test.sh b/ci/run_single_test.sh
index a01d92e55b15..376660a58b2a 100755
--- a/ci/run_single_test.sh
+++ b/ci/run_single_test.sh
@@ -16,7 +16,7 @@
 
 # This script requires the following environment variables to be set:
 # `TEST_TYPE` should be one of ["lint", "lint_setup_py", "docs", "docfx", "prerelease"]
-# `PY_VERSION` should be one of ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+# `PY_VERSION` should be one of ["3.10", "3.11", "3.12", "3.13"]
 
 # This script is called by the `ci/run_conditional_tests.sh` script.
 # A specific `nox` session will be run, depending on the value of 
@@ -70,14 +70,6 @@ case ${TEST_TYPE} in
         ;;
     unit)
         case ${PY_VERSION} in
-        "3.8")
-            nox -s unit-3.8
-            retval=$?
-            ;;
-        "3.9")
-            nox -s unit-3.9
-            retval=$?
-            ;;
         "3.10")
             nox -s unit-3.10
             retval=$?

From 9770d830a695e701d2928d6a32f487153850e741 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 14:08:23 -0400
Subject: [PATCH 15/21] chore(gapic): remove Python 3.9 from generated noxfile
 templates

---
 packages/gapic-generator/gapic/ads-templates/noxfile.py.j2 | 1 -
 packages/gapic-generator/gapic/templates/noxfile.py.j2     | 1 -
 2 files changed, 2 deletions(-)

diff --git a/packages/gapic-generator/gapic/ads-templates/noxfile.py.j2 b/packages/gapic-generator/gapic/ads-templates/noxfile.py.j2
index 34c35ed0f3b1..0a42cd6e4fa0 100644
--- a/packages/gapic-generator/gapic/ads-templates/noxfile.py.j2
+++ b/packages/gapic-generator/gapic/ads-templates/noxfile.py.j2
@@ -11,7 +11,6 @@ import nox  # type: ignore
 # Add tests for Python 3.15 alpha1
 # https://peps.python.org/pep-0790/
 ALL_PYTHON = [
-    "3.9",
     "3.10",
     "3.11",
     "3.12",
diff --git a/packages/gapic-generator/gapic/templates/noxfile.py.j2 b/packages/gapic-generator/gapic/templates/noxfile.py.j2
index c628aad47051..244173b4b42d 100644
--- a/packages/gapic-generator/gapic/templates/noxfile.py.j2
+++ b/packages/gapic-generator/gapic/templates/noxfile.py.j2
@@ -25,7 +25,6 @@ if os.path.isdir("samples"):
     LINT_PATHS.append("samples")
 
 ALL_PYTHON = [
-    "3.9",
     "3.10",
     "3.11",
     "3.12",

From 8017018a534bebb0aa164a5bb700c751726b423d Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 14:08:31 -0400
Subject: [PATCH 16/21] chore(gapic): update target version in generator and
 clean up test macros

---
 .generator/cli.py                                             | 2 +-
 .generator/test_cli.py                                        | 2 +-
 .../tests/unit/gapic/%name_%version/%sub/test_macros.j2       | 4 +---
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/.generator/cli.py b/.generator/cli.py
index 9415e0ca2ea3..0f5078204c44 100644
--- a/.generator/cli.py
+++ b/.generator/cli.py
@@ -354,7 +354,7 @@ def _run_post_processor(output: str, library_id: str, is_mono_repo: bool):
         # TODO(https://github.com/googleapis/google-cloud-python/issues/15538):
         # Investigate if a `target_version needs to be maintained
         # or can be eliminated.
-        target_version = "py39"
+        target_version = "py310"
         common_args = [
             f"--target-version={target_version}",
             "--line-length=88",
diff --git a/.generator/test_cli.py b/.generator/test_cli.py
index 68d61343f145..4ccd9a3b1359 100644
--- a/.generator/test_cli.py
+++ b/.generator/test_cli.py
@@ -741,7 +741,7 @@ def test_run_individual_session_success(mocker, caplog, is_mono_repo):
         "cli.subprocess.run", return_value=MagicMock(returncode=0)
     )
 
-    test_session = "unit-3.9"
+    test_session = "unit-3.10"
     test_library_id = "test-library"
     repo = "repo"
     _run_individual_session(test_session, test_library_id, repo, is_mono_repo)
diff --git a/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2 b/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2
index 2ab58f5cb881..ff6a15014e10 100644
--- a/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2
+++ b/packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_macros.j2
@@ -1005,9 +1005,7 @@ async def test_{{ method_name }}_async_pages():
         {% endif %}
         )
         pages = []
-        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
-        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
-        async for page_ in ( # pragma: no branch
+        async for page_ in (
             await client.{{ method_name }}(request={})
         ).pages:
             pages.append(page_)

From e7a2039f724786c25757c518826aec4c9754fb1d Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 14:14:11 -0400
Subject: [PATCH 17/21] docs(gapic-generator): update Python version to 3.10 in
 getting-started docs

---
 packages/gapic-generator/docs/getting-started/_verifying.rst | 2 +-
 packages/gapic-generator/docs/getting-started/bazel.rst      | 2 +-
 packages/gapic-generator/docs/getting-started/index.rst      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/gapic-generator/docs/getting-started/_verifying.rst b/packages/gapic-generator/docs/getting-started/_verifying.rst
index 5cc7e26a2d44..7603047a4c4b 100644
--- a/packages/gapic-generator/docs/getting-started/_verifying.rst
+++ b/packages/gapic-generator/docs/getting-started/_verifying.rst
@@ -8,7 +8,7 @@ Create a virtual environment for the library:
 
 .. code-block:: shell
 
-  $ virtualenv ~/.local/client-lib --python=`which python3.8`
+  $ virtualenv ~/.local/client-lib --python=`which python3.10`
   $ source ~/.local/client-lib/bin/activate
 
 Next, install the library:
diff --git a/packages/gapic-generator/docs/getting-started/bazel.rst b/packages/gapic-generator/docs/getting-started/bazel.rst
index 3d8cea77bde6..6b6e2702dbf8 100644
--- a/packages/gapic-generator/docs/getting-started/bazel.rst
+++ b/packages/gapic-generator/docs/getting-started/bazel.rst
@@ -29,7 +29,7 @@ install it is simply downloading the binary and making it executable:
 Python and Dependencies
 ~~~~~~~~~~~~~~~~~~~~~~~
 Bazel build is mostly hermetic, with a few exceptions for Python generator.
-Specifically it expects Python 3.8+ with the python dev packages to be installed.
+Specifically it expects Python 3.10+ with the python dev packages to be installed.
 
 On Linux, to install those, simply run:
 
diff --git a/packages/gapic-generator/docs/getting-started/index.rst b/packages/gapic-generator/docs/getting-started/index.rst
index 1215c6867ebf..a82fddbefa83 100644
--- a/packages/gapic-generator/docs/getting-started/index.rst
+++ b/packages/gapic-generator/docs/getting-started/index.rst
@@ -2,7 +2,7 @@ Getting Started
 ---------------
 
 This code generator is implemented as a plugin to ``protoc``, the compiler
-for `protocol buffers`_, and will run in any environment that Python 3.8+ and
+for `protocol buffers`_, and will run in any environment that Python 3.10+ and
 protocol buffers do.
 
 It is recommended to install the tool locally and run it through ``protoc``.

From c4951ded9c6352434f812863dcd028f6b8c7a992 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 14:18:44 -0400
Subject: [PATCH 18/21] chore(gapic): clean up imports in ads-templates test
 template

---
 .../unit/gapic/%name_%version/%sub/test_%service.py.j2    | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/packages/gapic-generator/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2 b/packages/gapic-generator/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
index 39d5fa7d35e7..6ef2d20d14f8 100644
--- a/packages/gapic-generator/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
+++ b/packages/gapic-generator/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2
@@ -7,12 +7,8 @@ import os
 {% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|list %}
 import re
 {% endif %}
-# try/except added for compatibility with python < 3.8
-try:
-    from unittest import mock
-    from unittest.mock import AsyncMock  # pragma: NO COVER
-except ImportError:  # pragma: NO COVER
-    import mock
+from unittest import mock
+from unittest.mock import AsyncMock
 
 import grpc
 from grpc.experimental import aio

From 8917093b3cd61ed54374a4e8530de21d859c5159 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 14:28:05 -0400
Subject: [PATCH 19/21] chore(gapic): add ignore pragmas for false positives

---
 .generator/Dockerfile   | 2 +-
 .pre-commit-config.yaml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.generator/Dockerfile b/.generator/Dockerfile
index 2c8a0674bac0..2bfa0e2defdf 100644
--- a/.generator/Dockerfile
+++ b/.generator/Dockerfile
@@ -66,7 +66,7 @@ RUN unzip protoc-25.3-linux-x86_64.zip -d protoc
 
 # Download/extract pandoc
 # Pandoc is required by gapic-generator-python for parsing documentation
-ENV PANDOC_VERSION=3.8.2
+ENV PANDOC_VERSION=3.8.2 # version-scanner: ignore
 RUN mkdir pandoc-binary
 RUN wget https://github.com/jgm/pandoc/releases/download/${PANDOC_VERSION}/pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz
 RUN tar -xvf pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz -C pandoc-binary --strip-components=1
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5405cc8ff1f3..427359befa73 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -26,6 +26,6 @@ repos:
     hooks:
     - id: black
 -   repo: https://github.com/pycqa/flake8
-    rev: 3.9.2
+    rev: 3.9.2 # version-scanner: ignore
     hooks:
     - id: flake8

From 57281c339cf7ca7e404f121f02b8f5c9f34b3502 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 14:33:29 -0400
Subject: [PATCH 20/21] chore(gapic): use ignore-next-line pragma in Dockerfile

---
 .generator/Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.generator/Dockerfile b/.generator/Dockerfile
index 2bfa0e2defdf..fc626f4b3481 100644
--- a/.generator/Dockerfile
+++ b/.generator/Dockerfile
@@ -66,7 +66,8 @@ RUN unzip protoc-25.3-linux-x86_64.zip -d protoc
 
 # Download/extract pandoc
 # Pandoc is required by gapic-generator-python for parsing documentation
-ENV PANDOC_VERSION=3.8.2 # version-scanner: ignore
+# version-scanner: ignore-next-line
+ENV PANDOC_VERSION=3.8.2
 RUN mkdir pandoc-binary
 RUN wget https://github.com/jgm/pandoc/releases/download/${PANDOC_VERSION}/pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz
 RUN tar -xvf pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz -C pandoc-binary --strip-components=1

From 9ae1839b0fb59027e62592ba3d16987682872495 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Fri, 1 May 2026 15:14:27 -0400
Subject: [PATCH 21/21] chore(gapic): remove Python 3.9 templates and update
 workflow matrix

---
 .github/workflows/gapic-generator-tests.yml   |  2 +-
 .../testing/constraints-3.9-async-rest.txt.j2 | 24 -------------------
 .../templates/testing/constraints-3.9.txt.j2  | 21 ----------------
 3 files changed, 1 insertion(+), 46 deletions(-)
 delete mode 100644 packages/gapic-generator/gapic/templates/testing/constraints-3.9-async-rest.txt.j2
 delete mode 100644 packages/gapic-generator/gapic/templates/testing/constraints-3.9.txt.j2

diff --git a/.github/workflows/gapic-generator-tests.yml b/.github/workflows/gapic-generator-tests.yml
index 204e110a0b72..3909f860ab98 100644
--- a/.github/workflows/gapic-generator-tests.yml
+++ b/.github/workflows/gapic-generator-tests.yml
@@ -18,7 +18,7 @@ env:
   SHOWCASE_VERSION: 0.35.0
   PROTOC_VERSION: 3.20.2
   LATEST_STABLE_PYTHON: 3.14
-  ALL_PYTHON: "['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']"
+  ALL_PYTHON: "['3.10', '3.11', '3.12', '3.13', '3.14']"
 
 jobs:
   check_changes:
diff --git a/packages/gapic-generator/gapic/templates/testing/constraints-3.9-async-rest.txt.j2 b/packages/gapic-generator/gapic/templates/testing/constraints-3.9-async-rest.txt.j2
deleted file mode 100644
index 3a1222949a04..000000000000
--- a/packages/gapic-generator/gapic/templates/testing/constraints-3.9-async-rest.txt.j2
+++ /dev/null
@@ -1,24 +0,0 @@
-{% set rest_async_io_enabled = api.all_library_settings[api.naming.proto_package].python_settings.experimental_features.rest_async_io_enabled %}
-{% if rest_async_io_enabled %}
-# -*- coding: utf-8 -*-
-{% 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,
-# pinning their versions to their lower bounds.
-# For example, if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0",
-# then this file should have google-cloud-foo==1.14.0
-google-api-core==2.21.0
-google-auth==2.35.0
-grpcio==1.44.0
-proto-plus==1.22.3
-protobuf==4.25.8
-{% for package_tuple, package_info in pypi_packages.items() %}
-{# Quick check to make sure `package_info.package_name` is not the package being generated so we don't circularly include this package in its own constraints file. #}
-{% 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 %}
-{% endif %}
diff --git a/packages/gapic-generator/gapic/templates/testing/constraints-3.9.txt.j2 b/packages/gapic-generator/gapic/templates/testing/constraints-3.9.txt.j2
deleted file mode 100644
index 95510412186f..000000000000
--- a/packages/gapic-generator/gapic/templates/testing/constraints-3.9.txt.j2
+++ /dev/null
@@ -1,21 +0,0 @@
-# -*- coding: utf-8 -*-
-{% 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,
-# pinning their versions to their lower bounds.
-# For example, if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0",
-# then this file should have google-cloud-foo==1.14.0
-google-api-core==2.17.1
-google-auth==2.14.1
-grpcio==1.44.0
-proto-plus==1.22.3
-protobuf==4.25.8
-{% for package_tuple, package_info in pypi_packages.items() %}
-{# Quick check to make sure `package_info.package_name` is not the package being generated so we don't circularly include this package in its own constraints file. #}
-{% 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 %}