Drop Python 3.7 supports in Develop

.circleci/continue_config.yml

@@ -327,10 +327,10 @@ jobs:
       - win_setup:
           python_version: <<parameters.python_version>>
       - when:
-          # Save Python package cache only for Python 3.7. The conda environment itself
+          # Save Python package cache only for Python 3.8. The conda environment itself
           # is specific to a Python version and is cached separately for each.
           condition:
-            equal: ["3.7", <<parameters.python_version>>]
+            equal: [<<parameters.python_version>>]
           steps:
           - save_cache:
               name: Save Python package cache
@@ -458,7 +458,7 @@ jobs:
   publish_kedro:
     executor:
       name: docker
-      python_version: "3.7"
+      python_version: "3.8"
     steps:
       - setup
       - add_ssh_keys
@@ -528,7 +528,7 @@ workflows:
       - lint:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - all_circleci_checks_succeeded:
           requires:
             - lint
@@ -544,31 +544,31 @@ workflows:
       - e2e_tests:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - win_e2e_tests:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - unit_tests:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - win_unit_tests:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - lint:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - pip_compile:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - win_pip_compile:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - all_circleci_checks_succeeded:
           requires:
             - e2e_tests
@@ -620,14 +620,14 @@ workflows:
             - kedro-ecr-publish
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
           filters:
             branches:
               only: main
       - build_kedro:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
           requires:
             - build_docker_image-<<matrix.python_version>>
           filters:
@@ -672,7 +672,7 @@ workflows:
       - build_kedro:
           matrix:
             parameters:
-              python_version: ["3.7", "3.8", "3.9", "3.10"]
+              python_version: ["3.8", "3.9", "3.10"]
       - publish_kedro:
           requires:
             - build_kedro

.github/workflows/all-checks.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest ]
-        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11" ]
     uses: ./.github/workflows/unit-tests.yml
     with:
       os: ${{ matrix.os }}
@@ -42,7 +42,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest ]
-        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11" ]
     uses: ./.github/workflows/e2e-tests.yml
     with:
       os: ${{ matrix.os }}
@@ -52,7 +52,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest ]
-        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11" ]
     uses: ./.github/workflows/pip-compile.yml
     with:
       os: ${{ matrix.os }}

.github/workflows/docs-only-checks.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11" ]
     uses: ./.github/workflows/lint.yml
     with:
       os: ${{ matrix.os }}

RELEASE.md

@@ -5,6 +5,7 @@
 ## Bug fixes and other changes
 
 ## Breaking changes to the API
+* Drop Python 3.7 support.
 
 ### DataSets
 * Remove `kedro.extras.datasets` and tests.

docs/source/deployment/databricks/databricks_notebooks_development_workflow.md

@@ -19,7 +19,7 @@ This tutorial introduces a Kedro project development workflow using only the Dat
 
 - An active [Databricks deployment](https://docs.databricks.com/getting-started/index.html).
 - A [Databricks cluster](https://docs.databricks.com/clusters/configure.html) configured with a recent version (>= 11.3 is recommended) of the Databricks runtime.
-- Python >= 3.7 installed.
+- Python >= 3.8 installed.
 - Git installed.
 - A [GitHub](https://github.com/) account.
 - A Python environment management system installed, [venv](https://docs.python.org/3/library/venv.html), [virtualenv](https://virtualenv.pypa.io/en/latest/) or [Conda](https://docs.conda.io/en/latest/) are popular choices.

docs/source/get_started/install.md

@@ -1,7 +1,7 @@
 # Set up Kedro
 
 ## Installation prerequisites
-* **Python**: Kedro supports macOS, Linux, and Windows and is built for Python 3.7+. You'll select a version of Python when you create a virtual environment for your Kedro project.
+* **Python**: Kedro supports macOS, Linux, and Windows and is built for Python 3.8+. You'll select a version of Python when you create a virtual environment for your Kedro project.
 
 * **Virtual environment**: You should create a new virtual environment for *each* new Kedro project you work on to isolate its Python dependencies from those of other projects.
 
@@ -23,7 +23,7 @@ The recommended approach. From your terminal:
 conda create --name kedro-environment python=3.10 -y
 ```
 
-The example below uses Python 3.10, and creates a virtual environment called `kedro-environment`. You can opt for a different version of Python (any version >= 3.7 and <3.11) for your project, and you can name it anything you choose.
+The example below uses Python 3.10, and creates a virtual environment called `kedro-environment`. You can opt for a different version of Python (any version >= 3.8 and <3.12) for your project, and you can name it anything you choose.
 
 The `conda` virtual environment is not dependent on your current working directory and can be activated from any directory:
 
@@ -184,7 +184,7 @@ pip install kedro
 ## Summary
 
 * Kedro can be used on Windows, macOS or Linux.
-* Installation prerequisites include a virtual environment manager like `conda`, Python 3.7+, and `git`.
+* Installation prerequisites include a virtual environment manager like `conda`, Python 3.8+, and `git`.
 * You should install Kedro using `pip install kedro`.
 
 If you encounter any problems as you set up Kedro, ask for help on Kedro's [Slack organisation](https://slack.kedro.org) or review the [searchable archive of Slack discussions](https://linen-slack.kedro.org/).

docs/source/index.rst

@@ -23,9 +23,9 @@ Welcome to Kedro's documentation!
     :target: https://opensource.org/license/apache2-0-php/
     :alt: License is Apache 2.0
 
-.. image:: https://img.shields.io/badge/python-3.7%20%7C%203.8%20%7C%203.9%20%7C%203.10%20%7C%203.11-blue.svg
+.. image:: https://img.shields.io/badge/3.8%20%7C%203.9%20%7C%203.10%20%7C%203.11-blue.svg
     :target: https://pypi.org/project/kedro/
-    :alt: Python version 3.7, 3.8, 3.9, 3.10, 3.11
+    :alt: Python version 3.8, 3.9, 3.10, 3.11
 
 .. image:: https://badge.fury.io/py/kedro.svg
     :target: https://pypi.org/project/kedro/

docs/source/introduction/introduction.md

@@ -11,6 +11,6 @@ Use the left-hand table of contents to explore the documentation available for m
 We have designed the preliminary documentation and the [spaceflights tutorial](../tutorial/spaceflights_tutorial.md) for anyone new to Kedro. The more knowledge of Python you have, the easier you will find the learning curve.
 
 ```{note}
-There are many excellent online resources for learning Python; you should choose those that reference Python 3, as Kedro is built for Python 3.7+. There are curated lists of online resources, such as the [official Python programming language website](https://www.python.org/) and this list of [free programming books and tutorials](https://github.com/EbookFoundation/free-programming-books/blob/master/books/free-programming-books-langs.md#python).
+There are many excellent online resources for learning Python; you should choose those that reference Python 3, as Kedro is built for Python 3.8+. There are curated lists of online resources, such as the [official Python programming language website](https://www.python.org/) and this list of [free programming books and tutorials](https://github.com/EbookFoundation/free-programming-books/blob/master/books/free-programming-books-langs.md#python).
 
 ```

features/environment.py

@@ -103,8 +103,6 @@ def _setup_minimal_env(context):
             "pip",
             "install",
             "-U",
-            # pip==23.2 breaks pip-tools<7.0, and pip-tools>=7.0 does not support Python 3.7
-            "pip>=21.2,<23.2; python_version < '3.8'",
             "pip>=21.2; python_version >= '3.8'",
         ],
         env=context.env,

pyproject.toml

@@ -10,7 +10,7 @@ authors = [
     {name = "Kedro"}
 ]
 description = "Kedro helps you build production-ready data and analytics pipelines"
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 dependencies = [
     "anyconfig>=0.10.0",
     "attrs>=21.3",
@@ -21,7 +21,6 @@ dependencies = [
     "dynaconf>=3.1.2,<4.0",
     "fsspec>=2021.4",
     "gitpython>=3.0",
-    "importlib_metadata>=3.6,<5.0; python_version < '3.8'",  # The "selectable" entry points were introduced in `importlib_metadata` 3.6 and Python 3.10. Bandit on Python 3.7 relies on a library with `importlib_metadata` < 5.0
     "importlib-metadata>=3.6,<7.0; python_version >= '3.8'",
     "importlib_resources>=1.3,<7.0",  # The `files()` API was introduced in `importlib_resources` 1.3 and Python 3.9.
     "jmespath>=0.9.5",
@@ -30,7 +29,7 @@ dependencies = [
     "omegaconf>=2.1.1",
     "parse>=1.19.0",
     "pip-tools>=6.5",
-    "pluggy>=1.0,<1.3",  # TODO: Uncap when dropping Python 3.7 support, see https://github.com/kedro-org/kedro/issues/2979
+    "pluggy>=1.0",
     "PyYAML>=4.2,<7.0",
     "rich>=12.0,<14.0",
     "rope>=0.21,<2.0",  # subject to LGPLv3 license
@@ -48,7 +47,6 @@ keywords = [
 license = {text = "Apache Software License (Apache 2.0)"}
 classifiers = [
     "Development Status :: 4 - Beta",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",

setup.py

@@ -133,7 +133,6 @@ def _collect_requirements(requires):
 
 extras_require["all"] = _collect_requirements(extras_require)
 extras_require["test"] = [
-    "adlfs>=2021.7.1, <=2022.2; python_version == '3.7'",
     "adlfs~=2023.1; python_version >= '3.8'",
     "bandit>=1.6.2, <2.0",
     "behave==1.2.6",
@@ -147,7 +146,6 @@ def _collect_requirements(requires):
     "delta-spark~=1.2.1; python_version < '3.11'",
     "dill~=0.3.1",
     "filelock>=3.4.0, <4.0",
-    "gcsfs>=2021.4, <=2023.1; python_version == '3.7'",
     "gcsfs>=2023.1, <2023.3; python_version >= '3.8'",
     "geopandas>=0.6.0, <1.0",
     "hdfs>=2.5.8, <3.0",

tests/framework/cli/test_cli_hooks.py

@@ -74,7 +74,7 @@ def fake_plugin_distribution(mocker):
         version="0.1",
     )
     mocker.patch(
-        "pluggy._manager.importlib_metadata.distributions",
+        "pluggy._manager.importlib.metadata.distributions",
         return_value=[fake_distribution],
     )
     return fake_distribution