chore: chore

PiperOrigin-RevId: 856842811

Author: speedstorm1

.github/sync-repo-settings.yaml

@@ -16,7 +16,7 @@ branchProtectionRules:
     - 'cla/google'
     - 'Kokoro docs-presubmit'
     - 'Presubmit - Lint and Coverage'
-    - 'Presubmit - Unit Tests Python 3.9'
+
     - 'Presubmit - Unit Tests Python 3.10'
     - 'Presubmit - Unit Tests Python 3.11'
     - 'Presubmit - Unit Tests Python 3.12'
@@ -27,7 +27,7 @@ branchProtectionRules:
     - 'Presubmit - Unit Tests Ray 2.42.0 (Python 3.10)'
     - 'Presubmit - Unit Tests Ray 2.42.0 (Python 3.11)'
     - 'Presubmit - Unit Tests Ray 2.47.1 (Python 3.11)'
-    - 'Presubmit - Unit Tests LangChain (Python 3.9)'
+
     - 'Presubmit - Unit Tests LangChain (Python 3.10)'
     - 'Presubmit - Unit Tests LangChain (Python 3.11)'
     - 'Presubmit - Unit Tests LangChain (Python 3.12)'

.github/workflows/mypy.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - name: Checkout code

.kokoro/continuous/unit.cfg

@@ -1,6 +1,6 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-# Run all unit test sessions, in Python 3.7 to 3.9
+# Run all unit test sessions
 env_vars: {
     key: "NOX_SESSION"
     value: "unit"

.kokoro/docker/docs/Dockerfile

@@ -60,24 +60,11 @@ RUN apt-get update \
   && rm -rf /var/lib/apt/lists/* \
   && rm -f /var/cache/apt/archives/*.deb
 
-###################### Install python 3.9.13
-
-# Download python 3.9.13
-RUN wget https://www.python.org/ftp/python/3.9.13/Python-3.9.13.tgz
-
-# Extract files
-RUN tar -xvf Python-3.9.13.tgz
-
-# Install python 3.9.13
-RUN ./Python-3.9.13/configure --enable-optimizations
-RUN make altinstall
-
-###################### Install pip
-RUN wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
-  && python3 /tmp/get-pip.py \
-  && rm /tmp/get-pip.py
-
-# Test pip
-RUN python3 -m pip
-
-CMD ["python3.9"]
+###################### Install python 3.10.13
+# Download python 3.10.13
+RUN wget https://www.python.org/ftp/python/3.10.13/Python-3.10.13.tgz
+RUN tar -xvf Python-3.10.13.tgz
+# Install python 3.10.13
+RUN ./Python-3.10.13/configure --enable-optimizations
+RUN make install
+CMD ["python3.10"]

.kokoro/presubmit/presubmit.cfg

@@ -1,11 +1,11 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
 # Run all sessions except system tests and docs builds
-# This only runs unit tests for Python 3.9 since unit tests are required for `cover` to run
+# This only runs unit tests for Python 3.10 since unit tests are required for `cover` to run
 # Other Python version unit tests are run separately
 env_vars: {
     key: "NOX_SESSION"
-    value: "unit-3.9 lint lint_setup_py blacken cover"
+    value: "unit-3.10 lint lint_setup_py blacken cover"
 }
 
 # Run unit tests in parallel, splitting up by file

.kokoro/presubmit/release.cfg

@@ -3,7 +3,7 @@
 # Run system tests in presubmit for library releases
 env_vars: {
     key: "NOX_SESSION"
-    value: "system-3.9 unit"
+    value: "system-3.10 unit"
 }
 
 # Run system tests in parallel, splitting up by file

.kokoro/presubmit/unit_3-9.cfg

@@ -3,7 +3,7 @@
 # Run unit tests for Python 3.9
 env_vars: {
     key: "NOX_SESSION"
-    value: "unit-3.9"
+    value: "unit-3.10"
 }
 
 # Run unit tests in parallel, splitting up by file

.kokoro/presubmit/unit_langchain_py39.cfg

@@ -3,7 +3,7 @@
 # Run unit tests for LangChain on Python 3.9
 env_vars: {
     key: "NOX_SESSION"
-    value: "unit_langchain-3.9"
+    value: "unit_langchain-3.10"
 }
 
 # Run unit tests in parallel, splitting up by file

CONTRIBUTING.rst

@@ -22,7 +22,7 @@ In order to add a feature:
   documentation.
 
 - The feature must work fully on the following CPython versions:
-  3.9, 3.10, 3.11, 3.12, and 3.13 on both UNIX and Windows.
+  3.10, 3.11, 3.12, and 3.13 on both UNIX and Windows.
 
 - The feature must not add unnecessary dependencies (where
   "unnecessary" is of course subjective, but new dependencies should
@@ -146,10 +146,7 @@ Running System Tests
    $ nox -s system-3.9 -- -k <name of test>
 
 
-  .. note::
 
-      System tests are only configured to run under Python 3.9.
-      For expediency, we do not run them in older versions of Python 3.
 
   This alone will not run the tests. You'll need to change some local
   auth settings and change some configuration in your project to
@@ -195,11 +192,11 @@ configure them just like the System Tests.
 
    # Run all tests in a folder
    $ cd samples/snippets
-   $ nox -s py-3.9
+   $ nox -s py-3.10
 
    # Run a single sample test
    $ cd samples/snippets
-   $ nox -s py-3.9 -- -k <name of test>
+   $ nox -s py-3.10 -- -k <name of test>
 
 ********************************************
 Note About ``README`` as it pertains to PyPI
@@ -221,13 +218,11 @@ Supported Python Versions
 
 We support:
 
--  `Python 3.9`_
 -  `Python 3.10`_
 -  `Python 3.11`_
 -  `Python 3.12`_
 -  `Python 3.13`_
 
-.. _Python 3.9: https://docs.python.org/3.9/
 .. _Python 3.10: https://docs.python.org/3.10/
 .. _Python 3.11: https://docs.python.org/3.11/
 .. _Python 3.12: https://docs.python.org/3.12/
@@ -239,7 +234,7 @@ Supported versions can be found in our ``noxfile.py`` `config`_.
 .. _config: https://github.com/googleapis/python-aiplatform/blob/main/noxfile.py
 
 
-We also explicitly decided to support Python 3 beginning with version 3.9.
+We also explicitly decided to support Python 3 beginning with version 3.10.
 Reasons for this include:
 
 -  Encouraging use of newest versions of Python 3

README.rst

@@ -319,7 +319,7 @@ In order to use this library, you first need to go through the following steps:
 
 Supported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^
-Python >= 3.9
+Python >= 3.10
 
 Deprecated Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^