tox files and missed tests

Author: sfc-gh-joshi

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 exclude: '^(.*egg.info.*|.*/parameters.py|docs/).*$'
 default_language_version:
-    python: python3.9
+    python: python3.10
 repos:
 -   repo: https://github.com/asottile/pyupgrade
     rev: v2.31.1

CONTRIBUTING.md

@@ -34,11 +34,11 @@ cd snowpark-python
 #### Install the library in edit mode and install its dependencies
 
 - Create a new Python virtual environment with any Python version that we support.
-  - The Snowpark Python API supports **Python 3.9, Python 3.10, Python 3.11, Python 3.12 and Python 3.13**.
-  - The Snowpark pandas API supports **Python 3.9, Python 3.10, and Python 3.11**. Additionally, Snowpark pandas requires **Modin 0.36.x or 0.37.x**, and **pandas 2.2.x or 2.3.x**.
+  - The Snowpark Python API supports **Python 3.10, Python 3.11, Python 3.12 and Python 3.13**.
+  - The Snowpark pandas API supports **Python 3.10 and Python 3.11**. Additionally, Snowpark pandas requires **Modin 0.36.x or 0.37.x**, and **pandas 2.2.x or 2.3.x**.
 
     ```bash
-    conda create --name snowpark-dev python=3.9
+    conda create --name snowpark-dev python=3.10
     ```
 
 - Activate the new Python virtual environment. For example,

README.md

@@ -18,9 +18,9 @@ If you don't have a Snowflake account yet, you can [sign up for a 30-day free tr
 
 ### Create a Python virtual environment
 You can use [miniconda][miniconda], [anaconda][anaconda], or [virtualenv][virtualenv]
-to create a Python 3.9, 3.10, 3.11, 3.12 or 3.13 virtual environment.
+to create a Python 3.10, 3.11, 3.12 or 3.13 virtual environment.
 
-For Snowpark pandas, only Python 3.9, 3.10, or 3.11 is supported.
+For Snowpark pandas, only Python 3.10 or 3.11 is supported.
 
 To have the best experience when using it with UDFs, [creating a local conda environment with the Snowflake channel][use snowflake channel] is recommended.
 

recipe/meta.yaml

@@ -19,16 +19,15 @@ build:
     - SNOWFLAKE_IS_PYTHON_RUNTIME_TEST=1
 {% if noarch_build %}
   noarch: python
-  string: "py39_{{ build_number }}"  # [py==39]
   string: "py310_{{ build_number }}"  # [py==310]
   string: "py311_{{ build_number }}"  # [py==311]
   string: "py312_{{ build_number }}"  # [py==312]
   string: "py313_{{ build_number }}"  # [py==313]
   string: "py314_{{ build_number }}"  # [py==314]
 {% endif %}
 
-{% if noarch_build and py not in [39, 310, 311, 312, 313, 314] %}
-error: "Noarch build for Python version {{ py }} is not supported. Supported versions: 3.9, 3.10, 3.11, 3.12, 3.13, or 3.14."
+{% if noarch_build and py not in [310, 311, 312, 313, 314] %}
+error: "Noarch build for Python version {{ py }} is not supported. Supported versions: 3.10, 3.11, 3.12, 3.13, or 3.14."
 {% else %}
 requirements:
   host:
@@ -44,9 +43,7 @@ requirements:
     # mypy-protobuf 3.7.0 requires protobuf >= 5.26
     - mypy-protobuf <=3.6.0
   run:
-    {% if noarch_build and py == 39 %}
-    - python >=3.9,<3.10.0a0
-    {% elif noarch_build and py == 310 %}
+    {% if noarch_build and py == 310 %}
     - python >=3.10,<3.11.0a0
     {% elif noarch_build and py == 311 %}
     - python >=3.11,<3.12.0a0

scripts/conda_build.sh

@@ -1,5 +1,4 @@
 # Used internally by AnacondaPackageBuilder jobs
-conda build recipe/ -c sfe1ed40 --python=3.9 --numpy=1.19
 conda build recipe/ -c sfe1ed40 --python=3.10 --numpy=1.21
 conda build recipe/ -c sfe1ed40 --python=3.11 --numpy=1.23
 conda build recipe/ -c sfe1ed40 --python=3.12 --numpy=1.26

scripts/conda_build_verification/README.md

@@ -4,7 +4,7 @@ This directory contains scripts for Docker-based verification of Snowflake Snowp
 
 ## Overview
 
-The verification system automatically tests conda packages (.conda and .tar.bz2 formats) for **all Python versions 3.9-3.13** on both x86_64 and aarch64 architectures by:
+The verification system automatically tests conda packages (.conda and .tar.bz2 formats) for **all Python versions 3.10-3.13** on both x86_64 and aarch64 architectures by:
 
 1. Scanning the `package/` directory for conda packages in `linux-64`, `linux-aarch64`, and `noarch` subdirectories
 2. Launching Docker containers using `continuumio/miniconda3` (supports both architectures)
@@ -27,20 +27,17 @@ The verification expects packages to be organized as follows:
 ```
 package/
 ├── linux-64/                    # x86_64 packages
-│   ├── snowflake-snowpark-python-1.38.0-py39_0.conda
 │   ├── snowflake-snowpark-python-1.38.0-py310_0.conda
 │   ├── snowflake-snowpark-python-1.38.0-py311_0.conda
 │   ├── snowflake-snowpark-python-1.38.0-py312_0.conda
 │   ├── snowflake-snowpark-python-1.38.0-py313_0.conda
 │   └── ... (corresponding .tar.bz2 files)
 ├── linux-aarch64/               # aarch64 packages  
-│   ├── snowflake-snowpark-python-1.38.0-py39_0.conda
 │   ├── snowflake-snowpark-python-1.38.0-py310_0.conda
-│   └── ... (all Python versions 3.9-3.13)
+│   └── ... (all Python versions 3.10-3.13)
 └── noarch/                      # Architecture-independent packages
-    ├── snowflake-snowpark-python-1.39.0-py39_0.conda
     ├── snowflake-snowpark-python-1.39.0-py310_0.conda
-    └── ... (all Python versions 3.9-3.13)
+    └── ... (all Python versions 3.10-3.13)
 ```
 
 ## Usage
@@ -50,7 +47,7 @@ package/
 **Prerequisites**: Ensure you have created `parameters.py` with valid Snowflake connection parameters (see Required Setup section above).
 
 ```bash
-# Test all Python versions (3.9-3.13) on noarch only
+# Test all Python versions (3.10-3.13) on noarch only
 ./conda_build_verification.sh
 
 # Test all Python versions on specific architecture(s)
@@ -105,10 +102,10 @@ Then run verification:
 - `architecture...` (optional): One or more architecture directories to test
   - Available: `linux-64`, `linux-aarch64`, `noarch`
   - Default: `noarch` only if no architectures specified
-- **Python versions**: Automatically tests all Python versions 3.9-3.13
+- **Python versions**: Automatically tests all Python versions 3.10-3.13
 
 **Examples:**
-- `./conda_build_verification.sh` → Test all Python versions (3.9-3.13) on noarch
+- `./conda_build_verification.sh` → Test all Python versions (3.10-3.13) on noarch
 - `./conda_build_verification.sh linux-64` → Test all Python versions on linux-64 only
 - `./conda_build_verification.sh linux-64 noarch` → Test all Python versions on both linux-64 and noarch
 - `./conda_build_verification.sh linux-64 linux-aarch64 noarch` → Test all Python versions on all architectures
@@ -131,7 +128,7 @@ Then run verification:
    - Validates `parameters.py` file existence and provides helpful error messages if missing
    - Fails fast before any Docker operations begin
 
-2. **Package Discovery**: Scans `package/linux-64`, `package/linux-aarch64`, and `package/noarch` for packages across all Python versions (3.9-3.13)
+2. **Package Discovery**: Scans `package/linux-64`, `package/linux-aarch64`, and `package/noarch` for packages across all Python versions (3.10-3.13)
    - **Strict Validation**: If packages are not found in any requested architecture directory, the script errors out immediately
 
 3. **Docker Container Launch**: For each architecture with packages:
@@ -140,7 +137,7 @@ Then run verification:
    - Mounts verification scripts and package directory  
    - Runs `docker_verify.sh` inside the container
 
-4. **Package Testing**: Inside each container, for each Python version (3.9-3.13):
+4. **Package Testing**: Inside each container, for each Python version (3.10-3.13):
    - Creates isolated conda environment for the specific Python version
    - Installs package dependencies
    - Installs the conda package (.conda and .tar.bz2 formats) if available for that version
@@ -168,7 +165,7 @@ Docker uses the `--platform` flag to specify the target architecture:
 ## Example Output
 
 ```
-Testing Python versions: 3.9, 3.10, 3.11, 3.12, 3.13
+Testing Python versions: 3.10, 3.11, 3.12, 3.13
 Using default architecture: noarch
 Testing architectures: noarch
 Script directory: /path/to/scripts/conda_build_verification
@@ -178,16 +175,9 @@ GPG_KEY found, attempting to decrypt parameters.py...
 Starting Docker-based conda package verification...
 Found packages in noarch
 === Running verification for noarch ===
-Found packages in noarch, will test all Python versions (3.9-3.13)
+Found packages in noarch, will test all Python versions (3.10-3.13)
 Running Docker command for noarch...
 
-=== Testing Python 3.9 ===
-Testing conda package: snowflake-snowpark-python-1.39.0-py39_0.conda
-✅ Package test completed successfully: snowflake-snowpark-python-1.39.0-py39_0.conda
-Testing tar.bz2 package: snowflake-snowpark-python-1.39.0-py39_0.tar.bz2
-✅ Package test completed successfully: snowflake-snowpark-python-1.39.0-py39_0.tar.bz2
-✅ All tests passed for Python 3.9
-
 === Testing Python 3.10 ===
 Testing conda package: snowflake-snowpark-python-1.39.0-py310_0.conda
 ✅ Package test completed successfully: snowflake-snowpark-python-1.39.0-py310_0.conda
@@ -225,7 +215,7 @@ Removed decrypted parameters.py
    ```
    This error occurs when the script cannot find packages for a requested architecture directory. 
 
-   **To fix**: Ensure packages are in the correct `package/` subdirectories with proper naming patterns (e.g., `snowflake-snowpark-python-*-py39_*.conda`), or use one of the available architectures listed in the error message.
+   **To fix**: Ensure packages are in the correct `package/` subdirectories with proper naming patterns (e.g., `snowflake-snowpark-python-*-py310_*.conda`), or use one of the available architectures listed in the error message.
 
 3. **GPG decryption fails**
    ```
@@ -294,7 +284,7 @@ docker run -it --rm \
   continuumio/miniconda3:latest \
   bash
 
-# Inside container, run the verification script (tests all Python versions 3.9-3.13)
+# Inside container, run the verification script (tests all Python versions 3.10-3.13)
 bash /verification/docker_verify.sh
 ```
 

scripts/conda_build_verification/conda_build_verification.sh

@@ -2,7 +2,7 @@
 
 # Docker-based Snowflake Snowpark Python conda package verification
 # Supports both x86_64 and aarch64 architectures using continuumio/miniconda3
-# Tests all Python versions (3.9-3.13) automatically
+# Tests all Python versions (3.10-3.13) automatically
 #
 # Usage: ./conda_build_verification.sh [architecture...]
 #
@@ -27,7 +27,7 @@ fi
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null && pwd)"
 PROJECT_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
 
-echo "Testing Python versions: 3.9, 3.10, 3.11, 3.12, 3.13"
+echo "Testing Python versions: 3.10, 3.11, 3.12, 3.13"
 echo "Testing architectures: ${PACKAGE_DIRS[*]}"
 echo "Script directory: $SCRIPT_DIR"
 echo "Project root: $PROJECT_ROOT"
@@ -81,7 +81,7 @@ run_docker_verification() {
         return 0
     fi
 
-    echo "Found packages in $arch_dir, will test all Python versions (3.9-3.13)"
+    echo "Found packages in $arch_dir, will test all Python versions (3.10-3.13)"
 
     # Create container name
     local container_name="snowpark-verify-${arch_dir}-$(date +%s)"

scripts/conda_build_verification/docker_verify.sh

@@ -6,7 +6,7 @@
 set -e
 
 # List of Python versions to test
-PYTHON_VERSIONS=("3.9" "3.10" "3.11" "3.12" "3.13")
+PYTHON_VERSIONS=("3.10" "3.11" "3.12" "3.13")
 
 echo "=== Docker Container Verification Script ==="
 echo "Python versions to test: ${PYTHON_VERSIONS[*]}"

setup.py

@@ -32,10 +32,10 @@
     "python-dateutil",  # Snowpark IR
     "tzlocal",  # Snowpark IR
 ]
-REQUIRED_PYTHON_VERSION = ">=3.9, <3.15"
+REQUIRED_PYTHON_VERSION = ">=3.10, <3.15"
 
 if os.getenv("SNOWFLAKE_IS_PYTHON_RUNTIME_TEST", False):
-    REQUIRED_PYTHON_VERSION = ">=3.9"
+    REQUIRED_PYTHON_VERSION = ">=3.10"
 
 PANDAS_REQUIREMENTS = [
     f"snowflake-connector-python[pandas]{CONNECTOR_DEPENDENCY_VERSION}",
@@ -246,7 +246,6 @@ def run(self):
         "Operating System :: OS Independent",
         "Programming Language :: SQL",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",

src/snowflake/snowpark/types.py

@@ -1214,8 +1214,8 @@ def _parse_datatype_json_value(json_value: Union[dict, str]) -> DataType:
 
 # TODO(SNOW-969479): Add a type hint that can be used to annotate Vector data. Python does not
 # currently support integer type parameters (which are needed to represent a vector's dimension).
-# typing.Annotate can be used as a temporary bypass once the minimum supported Python version is
-# bumped to 3.9
+# typing.Annotated can be used as a temporary bypass now that the minimum supported Python version
+# is 3.10
 
 #: The type hint for annotating TIMESTAMP_NTZ (e.g., ``Timestamp[NTZ]``) data when registering UDFs.
 NTZ = TypeVar("NTZ")