From 91db66a47070e800c08eec7d371393b5f2403972 Mon Sep 17 00:00:00 2001
From: Andrei Vishniakov <31008759+avishniakov@users.noreply.github.com>
Date: Mon, 7 Oct 2024 09:51:03 +0200
Subject: [PATCH 1/4] remove outdated warning

---
 docs/book/component-guide/orchestrators/skypilot-vm.md | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/docs/book/component-guide/orchestrators/skypilot-vm.md b/docs/book/component-guide/orchestrators/skypilot-vm.md
index 61d489223a5..5875ba14518 100644
--- a/docs/book/component-guide/orchestrators/skypilot-vm.md
+++ b/docs/book/component-guide/orchestrators/skypilot-vm.md
@@ -10,10 +10,6 @@ The SkyPilot VM Orchestrator is an integration provided by ZenML that allows you
 This component is only meant to be used within the context of a [remote ZenML deployment scenario](../../getting-started/deploying-zenml/README.md). Usage with a local ZenML deployment may lead to unexpected behavior!
 {% endhint %}
 
-{% hint style="warning" %}
-SkyPilot VM Orchestrator is currently supported only for Python 3.8 and 3.9.
-{% endhint %}
-
 ## When to use it
 
 You should use the SkyPilot VM Orchestrator if:

From b7a00d715f725fa07491e67bebfda41de408f90a Mon Sep 17 00:00:00 2001
From: Andrei Vishniakov <31008759+avishniakov@users.noreply.github.com>
Date: Mon, 7 Oct 2024 10:09:36 +0200
Subject: [PATCH 2/4] remove 3.8 traces

---
 .github/workflows/ci-fast.yml                 |  2 +-
 .github/workflows/ci-slow.yml                 | 28 ++++++++-----------
 .github/workflows/integration-test-fast.yml   |  4 +--
 .github/workflows/integration-test-slow.yml   |  6 ++--
 .github/workflows/nightly_build.yml           |  2 +-
 .github/workflows/publish_to_pypi.yml         |  2 +-
 .github/workflows/publish_to_pypi_nightly.yml |  2 +-
 .github/workflows/release.yml                 |  4 +--
 .github/workflows/templates-test.yml          |  4 +--
 .github/workflows/unit-test.yml               |  8 ++----
 .../update-templates-to-examples.yml          |  4 +--
 README.md                                     |  2 +-
 docs/book/getting-started/installation.md     |  2 +-
 pyproject.toml                                | 11 ++------
 release-cloudbuild.yaml                       | 23 ---------------
 src/zenml/cli/integration.py                  |  9 ------
 .../integrations/huggingface/__init__.py      |  6 +---
 src/zenml/integrations/tensorflow/__init__.py |  9 ------
 tests/harness/utils.py                        |  3 --
 19 files changed, 35 insertions(+), 96 deletions(-)

diff --git a/.github/workflows/ci-fast.yml b/.github/workflows/ci-fast.yml
index 23ed8009c4e..27f5863f175 100644
--- a/.github/workflows/ci-fast.yml
+++ b/.github/workflows/ci-fast.yml
@@ -79,7 +79,7 @@ jobs:
       == false
     uses: ./.github/workflows/update-templates-to-examples.yml
     with:
-      python-version: '3.8'
+      python-version: '3.11'
       os: ubuntu-latest
     secrets: inherit
   custom-ubuntu-setup-and-unit-test:
diff --git a/.github/workflows/ci-slow.yml b/.github/workflows/ci-slow.yml
index 592c8466dd3..72b2a0e21a6 100644
--- a/.github/workflows/ci-slow.yml
+++ b/.github/workflows/ci-slow.yml
@@ -152,7 +152,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.8'
+          python-version: '3.11'
       - name: Install uv
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
@@ -199,7 +199,7 @@ jobs:
     strategy:
       matrix:
         os: [arc-runner-set]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
       fail-fast: false
     uses: ./.github/workflows/unit-test.yml
     with:
@@ -212,7 +212,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
       fail-fast: false
     uses: ./.github/workflows/unit-test.yml
     with:
@@ -225,14 +225,12 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
-        # Python 3.8 and 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
+        python-version: ['3.9', '3.10', '3.11', '3.12']
+        # Python 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
         # https://github.com/actions/setup-python/issues/696#issuecomment-1637587760
         exclude:
-          - {python-version: '3.8', os: macos-latest}
           - {python-version: '3.9', os: macos-latest}
         include:
-          - {python-version: '3.8', os: macos-13}
           - {python-version: '3.9', os: macos-13}
       fail-fast: false
     uses: ./.github/workflows/unit-test.yml
@@ -246,7 +244,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         test_environment: [default]
       fail-fast: false
     uses: ./.github/workflows/integration-test-slow.yml
@@ -261,14 +259,12 @@ jobs:
     strategy:
       matrix:
         os: [macos-13]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
-        # Python 3.8 and 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
+        python-version: ['3.9', '3.10', '3.11', '3.12']
+        # Python 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
         # https://github.com/actions/setup-python/issues/696#issuecomment-1637587760
         exclude:
-          - {python-version: '3.8', os: macos-latest}
           - {python-version: '3.9', os: macos-latest}
         include:
-          - {python-version: '3.8', os: macos-13}
           - {python-version: '3.9', os: macos-13}
         test_environment: [default]
       fail-fast: false
@@ -284,25 +280,25 @@ jobs:
     strategy:
       matrix:
         os: [arc-runner-set]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         test_environment:
           - default
           - docker-server-docker-orchestrator-mysql
           - docker-server-docker-orchestrator-mariadb
         exclude:
-   # docker is time-consuming to run, so we only run it on 3.8
+   # docker is time-consuming to run, so we only run it on 3.11
           - test_environment: docker-server-docker-orchestrator-mysql
             python-version: '3.9'
           - test_environment: docker-server-docker-orchestrator-mysql
             python-version: '3.10'
           - test_environment: docker-server-docker-orchestrator-mysql
-            python-version: '3.11'
+            python-version: '3.12'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.9'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.10'
           - test_environment: docker-server-docker-orchestrator-mariadb
-            python-version: '3.11'
+            python-version: '3.12'
       fail-fast: false
     uses: ./.github/workflows/integration-test-slow.yml
     with:
diff --git a/.github/workflows/integration-test-fast.yml b/.github/workflows/integration-test-fast.yml
index 82d1c260aee..8762e276a37 100644
--- a/.github/workflows/integration-test-fast.yml
+++ b/.github/workflows/integration-test-fast.yml
@@ -36,9 +36,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        options: ['3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.8'
+        default: '3.11'
       test_environment:
         description: The test environment
         type: choice
diff --git a/.github/workflows/integration-test-slow.yml b/.github/workflows/integration-test-slow.yml
index 002898be544..d74f7306804 100644
--- a/.github/workflows/integration-test-slow.yml
+++ b/.github/workflows/integration-test-slow.yml
@@ -36,9 +36,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        options: ['3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.8'
+        default: '3.11'
       test_environment:
         description: The test environment
         type: choice
@@ -162,7 +162,7 @@ jobs:
       - name: Install MacOS System Dependencies
         if: runner.os=='macOS'
         run: brew install libomp
-      - name: Unbreak Python in GHA for 3.8-3.10
+      - name: Unbreak Python in GHA for 3.9-3.10
         if: runner.os=='macOS' && inputs.python-version != '3.11'
         # github actions overwrites brew's python. Force it to reassert itself, by
         # running in a separate step.
diff --git a/.github/workflows/nightly_build.yml b/.github/workflows/nightly_build.yml
index a9d18a8cd95..6a8d2c04ce0 100644
--- a/.github/workflows/nightly_build.yml
+++ b/.github/workflows/nightly_build.yml
@@ -10,7 +10,7 @@ jobs:
     uses: ./.github/workflows/unit-test.yml
     with:
       os: ubuntu-latest
-      python-version: '3.8'
+      python-version: '3.11'
       git-ref: develop
     secrets: inherit
     if: github.repository == 'zenml-io/zenml'
diff --git a/.github/workflows/publish_to_pypi.yml b/.github/workflows/publish_to_pypi.yml
index 4d2c0ed03ca..c2a81e42ee3 100644
--- a/.github/workflows/publish_to_pypi.yml
+++ b/.github/workflows/publish_to_pypi.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.8'
+          python-version: '3.11'
       - name: Install Poetry
         uses: snok/install-poetry@v1.3.4
         with:
diff --git a/.github/workflows/publish_to_pypi_nightly.yml b/.github/workflows/publish_to_pypi_nightly.yml
index a82e1e9db79..67deaac282b 100644
--- a/.github/workflows/publish_to_pypi_nightly.yml
+++ b/.github/workflows/publish_to_pypi_nightly.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.8'
+          python-version: '3.11'
       - name: Install Poetry
         uses: snok/install-poetry@v1.3.4
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 598a7600de7..1b7881e64e3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ jobs:
     uses: ./.github/workflows/unit-test.yml
     with:
       os: arc-runner-set
-      python-version: '3.8'
+      python-version: '3.11'
     secrets: inherit
   mlstacks-compatibility-check:
     needs: setup-and-test
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.8'
+          python-version: '3.11'
       - name: Install uv
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
diff --git a/.github/workflows/templates-test.yml b/.github/workflows/templates-test.yml
index e476b5170c1..d76a85a731d 100644
--- a/.github/workflows/templates-test.yml
+++ b/.github/workflows/templates-test.yml
@@ -22,9 +22,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        options: ['3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.8'
+        default: '3.11'
 jobs:
   all-template-tests:
     name: all-template-tests
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index fae07ae41ce..31eb80f71b7 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -37,9 +37,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        options: ['3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.8'
+        default: '3.11'
       enable_tmate:
         description: Enable tmate session for debugging
         type: choice
@@ -105,10 +105,6 @@ jobs:
           ZENML_ANALYTICS_OPT_IN: false
           ZENML_DEBUG: true
 
-      # - name: Upload coverage
-      #  # only do it for python 3.8, we don't need to do it for every version
-      #   if: ${{ inputs.os == 'arc-runner-set' && inputs.python-version == '3.8' }}
-      #   uses: codecov/codecov-action@v2
       - name: Setup tmate session after tests
         if: ${{ inputs.enable_tmate == 'always' || (inputs.enable_tmate == 'on-failure' && failure()) }}
         uses: mxschmitt/action-tmate@v3.17
diff --git a/.github/workflows/update-templates-to-examples.yml b/.github/workflows/update-templates-to-examples.yml
index 7a9accb4293..0473babc442 100644
--- a/.github/workflows/update-templates-to-examples.yml
+++ b/.github/workflows/update-templates-to-examples.yml
@@ -22,9 +22,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        options: ['3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.8'
+        default: '3.11'
 jobs:
   update-e2e-batch-template-to-examples:
     name: update-e2e-batch-template-to-examples
diff --git a/README.md b/README.md
index 740e0d4a14d..373e86b4577 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,7 @@ Thank you for your support! 🌟
 ## 🤸 Quickstart
 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/zenml-io/zenml/blob/main/examples/quickstart/quickstart.ipynb)
 
-[Install ZenML](https://docs.zenml.io/getting-started/installation) via [PyPI](https://pypi.org/project/zenml/). Python 3.8 - 3.11 is required:
+[Install ZenML](https://docs.zenml.io/getting-started/installation) via [PyPI](https://pypi.org/project/zenml/). Python 3.9 - 3.12 is required:
 
 ```bash
 pip install "zenml[server]" notebook
diff --git a/docs/book/getting-started/installation.md b/docs/book/getting-started/installation.md
index 307bf84fb39..a631c6157a2 100644
--- a/docs/book/getting-started/installation.md
+++ b/docs/book/getting-started/installation.md
@@ -11,7 +11,7 @@ pip install zenml
 ```
 
 {% hint style="warning" %}
-Note that ZenML currently supports **Python 3.8, 3.9, 3.10, and 3.11**. Please make sure that you are using a supported Python version.
+Note that ZenML currently supports **Python 3.9, 3.10, 3.11 and 3.12**. Please make sure that you are using a supported Python version.
 {% endhint %}
 
 ## Install with the dashboard
diff --git a/pyproject.toml b/pyproject.toml
index 6922df1d452..d5250d0521e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,6 @@ classifiers = [
     "Intended Audience :: System Administrators",
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -55,7 +54,7 @@ psutil = ">=5.0.0"
 pydantic = "~2.8"
 pydantic-settings = "*"
 pymysql = { version = "~1.1.0,>=1.1.1" }
-python = ">=3.8,<3.13"
+python = ">=3.9,<3.13"
 python-dateutil = "^2.8.1"
 pyyaml = ">=6.0.1"
 rich = { extras = ["jupyter"], version = ">=12.0.0" }
@@ -342,8 +341,8 @@ exclude = [
 ]
 
 src = ["src", "test"]
-# use Python 3.8 as the minimum version for autofixing
-target-version = "py38"
+# use Python 3.9 as the minimum version for autofixing
+target-version = "py39"
 
 
 [tool.ruff.format]
@@ -402,10 +401,6 @@ strict = true
 namespace_packages = true
 show_error_codes = true
 
-# temporary fix for python 3.8 https://github.com/apache/airflow/discussions/19006
-# remove once the issue is solved in airflow
-exclude = "airflow/"
-
 [[tool.mypy.overrides]]
 module = ["airflow.*"]
 follow_imports = "skip"
diff --git a/release-cloudbuild.yaml b/release-cloudbuild.yaml
index bbaccad7728..86e04ab8751 100644
--- a/release-cloudbuild.yaml
+++ b/release-cloudbuild.yaml
@@ -1,26 +1,4 @@
 steps:
-  # build client base image - python 3.8
-  - name: gcr.io/cloud-builders/docker
-    args:
-      - '-c'
-      - |
-        docker build \
-          --build-arg ZENML_VERSION=$TAG_NAME \
-          --build-arg PYTHON_VERSION=3.8 \
-          --target client \
-          -f docker/base.Dockerfile . \
-          -t $$USERNAME/zenml:$TAG_NAME-py3.8
-
-        # use latest tags only for official releases
-        if [[ $TAG_NAME =~ ^(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$ ]]; then
-          docker tag $$USERNAME/zenml:$TAG_NAME-py3.8 $$USERNAME/zenml:py3.8
-        fi
-    id: build-base-3.8
-    waitFor: ['-']
-    entrypoint: bash
-    secretEnv:
-      - USERNAME
-
   # build client base image - python 3.9
   - name: gcr.io/cloud-builders/docker
     args:
@@ -152,7 +130,6 @@ steps:
     id: push-base
     waitFor:
       - docker-login
-      - build-base-3.8
       - build-base-3.9
       - build-base-3.10
       - build-base-3.11
diff --git a/src/zenml/cli/integration.py b/src/zenml/cli/integration.py
index a9f51cf32a9..622cc712483 100644
--- a/src/zenml/cli/integration.py
+++ b/src/zenml/cli/integration.py
@@ -282,15 +282,6 @@ def install(
     else:
         integration_set = set(integrations)
 
-    # TODO: remove once python 3.8 is deprecated
-    if sys.version_info.minor == 8 and "tensorflow" in integration_set:
-        warning(
-            "Python 3.8 with TensorFlow is not fully compatible with "
-            "Pydantic 2 requirements. Consider upgrading to a "
-            "higher Python version if you would like to use the "
-            "Tensorflow integration."
-        )
-
     if sys.version_info.minor == 12 and "tensorflow" in integration_set:
         warning(
             "The TensorFlow integration is not yet compatible with Python "
diff --git a/src/zenml/integrations/huggingface/__init__.py b/src/zenml/integrations/huggingface/__init__.py
index f84128dd2c5..c415d791881 100644
--- a/src/zenml/integrations/huggingface/__init__.py
+++ b/src/zenml/integrations/huggingface/__init__.py
@@ -59,11 +59,7 @@ def get_requirements(cls, target_os: Optional[str] = None) -> List[str]:
             "fsspec<=2023.12.0",
         ]
 
-        # In python 3.8 higher transformers version lead to other packages breaking
-        if sys.version_info.minor > 8:
-            requirements += ["transformers"]
-        else:
-            requirements += ["transformers<=4.31"]
+        requirements += ["transformers"]
 
         # Add the pandas integration requirements
         from zenml.integrations.pandas import PandasIntegration
diff --git a/src/zenml/integrations/tensorflow/__init__.py b/src/zenml/integrations/tensorflow/__init__.py
index 22d9e6440d7..dfeb1c12da1 100644
--- a/src/zenml/integrations/tensorflow/__init__.py
+++ b/src/zenml/integrations/tensorflow/__init__.py
@@ -40,15 +40,6 @@ def activate(cls) -> None:
 
         from zenml.integrations.tensorflow import materializers  # noqa
 
-        if sys.version_info.minor == 8:
-            logger.warning(
-                "Python 3.8 with TensorFlow is not fully "
-                "compatible with Pydantic 2 requirements. "
-                "Consider upgrading to a higher Python "
-                "version if you would like to use the "
-                "Tensorflow integration."
-            )
-
     @classmethod
     def get_requirements(cls, target_os: Optional[str] = None) -> List[str]:
         """Defines platform specific requirements for the integration.
diff --git a/tests/harness/utils.py b/tests/harness/utils.py
index 6ec7e38fadb..aa31d4fae77 100644
--- a/tests/harness/utils.py
+++ b/tests/harness/utils.py
@@ -56,9 +56,6 @@ def cleanup_folder(path: str) -> None:
                 "Skipping deletion of temp dir at teardown, due to "
                 "Windows Permission error"
             )
-            # TODO[HIGH]: Implement fixture cleanup for Windows where
-            #  shutil.rmtree fails on files that are in use on python 3.7 and
-            #  3.8
     else:
         shutil.rmtree(path)
 

From 9d0566f2356397789e0e57020d07732124a4f2e6 Mon Sep 17 00:00:00 2001
From: Andrei Vishniakov <31008759+avishniakov@users.noreply.github.com>
Date: Mon, 7 Oct 2024 10:14:02 +0200
Subject: [PATCH 3/4] lint

---
 .github/workflows/unit-test.yml               |  1 -
 .../zen_stores/test_secrets_store.py          | 44 ++++++++++---------
 2 files changed, 24 insertions(+), 21 deletions(-)

diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 31eb80f71b7..03752da2c37 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -104,7 +104,6 @@ jobs:
         env:
           ZENML_ANALYTICS_OPT_IN: false
           ZENML_DEBUG: true
-
       - name: Setup tmate session after tests
         if: ${{ inputs.enable_tmate == 'always' || (inputs.enable_tmate == 'on-failure' && failure()) }}
         uses: mxschmitt/action-tmate@v3.17
diff --git a/tests/integration/functional/zen_stores/test_secrets_store.py b/tests/integration/functional/zen_stores/test_secrets_store.py
index bc3d79af393..29b7d42be02 100644
--- a/tests/integration/functional/zen_stores/test_secrets_store.py
+++ b/tests/integration/functional/zen_stores/test_secrets_store.py
@@ -1114,15 +1114,16 @@ def test_list_secrets_filter():
     aria_secret_name = sample_name("arias-whiskers")
     axl_secret_name = sample_name("axls-whiskers")
 
-    with SecretContext(
-        secret_name=aria_secret_name
-    ) as secret_one, SecretContext(
-        secret_name=aria_secret_name, scope=SecretScope.USER
-    ) as secret_two, SecretContext(
-        secret_name=axl_secret_name
-    ) as secret_three, SecretContext(
-        secret_name=axl_secret_name, scope=SecretScope.USER
-    ) as secret_four:
+    with (
+        SecretContext(secret_name=aria_secret_name) as secret_one,
+        SecretContext(
+            secret_name=aria_secret_name, scope=SecretScope.USER
+        ) as secret_two,
+        SecretContext(secret_name=axl_secret_name) as secret_three,
+        SecretContext(
+            secret_name=axl_secret_name, scope=SecretScope.USER
+        ) as secret_four,
+    ):
         all_secrets = store.list_secrets(SecretFilter()).items
         assert len(all_secrets) >= 4
         assert set(
@@ -1263,17 +1264,20 @@ def test_list_secrets_pagination_and_sorting():
 
     suffix = sample_name("")
 
-    with SecretContext(
-        secret_name=f"arias-whiskers-{suffix}"
-    ) as secret_one, SecretContext(
-        secret_name=f"arias-spots-{suffix}",
-        scope=SecretScope.USER,
-    ) as secret_two, SecretContext(
-        secret_name=f"axls-whiskers-{suffix}",
-    ) as secret_three, SecretContext(
-        secret_name=f"axls-spots-{suffix}",
-        scope=SecretScope.USER,
-    ) as secret_four:
+    with (
+        SecretContext(secret_name=f"arias-whiskers-{suffix}") as secret_one,
+        SecretContext(
+            secret_name=f"arias-spots-{suffix}",
+            scope=SecretScope.USER,
+        ) as secret_two,
+        SecretContext(
+            secret_name=f"axls-whiskers-{suffix}",
+        ) as secret_three,
+        SecretContext(
+            secret_name=f"axls-spots-{suffix}",
+            scope=SecretScope.USER,
+        ) as secret_four,
+    ):
         secrets = store.list_secrets(
             SecretFilter(
                 name=f"endswith:{suffix}",

From bcd42190b6512d377fc23c03bfa191615237f2fd Mon Sep 17 00:00:00 2001
From: Andrei Vishniakov <31008759+avishniakov@users.noreply.github.com>
Date: Mon, 7 Oct 2024 10:46:03 +0200
Subject: [PATCH 4/4] revert 3.8 removal

---
 .github/workflows/ci-fast.yml                 |  2 +-
 .github/workflows/ci-slow.yml                 | 28 +++++++-----
 .github/workflows/integration-test-fast.yml   |  4 +-
 .github/workflows/integration-test-slow.yml   |  6 +--
 .github/workflows/nightly_build.yml           |  2 +-
 .github/workflows/publish_to_pypi.yml         |  2 +-
 .github/workflows/publish_to_pypi_nightly.yml |  2 +-
 .github/workflows/release.yml                 |  4 +-
 .github/workflows/templates-test.yml          |  4 +-
 .github/workflows/unit-test.yml               |  9 +++-
 .../update-templates-to-examples.yml          |  4 +-
 README.md                                     |  2 +-
 docs/book/getting-started/installation.md     |  2 +-
 pyproject.toml                                | 11 +++--
 release-cloudbuild.yaml                       | 23 ++++++++++
 src/zenml/cli/integration.py                  |  9 ++++
 .../integrations/huggingface/__init__.py      |  6 ++-
 src/zenml/integrations/tensorflow/__init__.py |  9 ++++
 tests/harness/utils.py                        |  3 ++
 .../zen_stores/test_secrets_store.py          | 44 +++++++++----------
 20 files changed, 119 insertions(+), 57 deletions(-)

diff --git a/.github/workflows/ci-fast.yml b/.github/workflows/ci-fast.yml
index 27f5863f175..23ed8009c4e 100644
--- a/.github/workflows/ci-fast.yml
+++ b/.github/workflows/ci-fast.yml
@@ -79,7 +79,7 @@ jobs:
       == false
     uses: ./.github/workflows/update-templates-to-examples.yml
     with:
-      python-version: '3.11'
+      python-version: '3.8'
       os: ubuntu-latest
     secrets: inherit
   custom-ubuntu-setup-and-unit-test:
diff --git a/.github/workflows/ci-slow.yml b/.github/workflows/ci-slow.yml
index 72b2a0e21a6..a9e994f9b8a 100644
--- a/.github/workflows/ci-slow.yml
+++ b/.github/workflows/ci-slow.yml
@@ -152,7 +152,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.11'
+          python-version: '3.8'
       - name: Install uv
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
@@ -199,7 +199,7 @@ jobs:
     strategy:
       matrix:
         os: [arc-runner-set]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
       fail-fast: false
     uses: ./.github/workflows/unit-test.yml
     with:
@@ -212,7 +212,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
       fail-fast: false
     uses: ./.github/workflows/unit-test.yml
     with:
@@ -225,12 +225,14 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
-        # Python 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        # Python 3.8 and 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
         # https://github.com/actions/setup-python/issues/696#issuecomment-1637587760
         exclude:
+          - {python-version: '3.8', os: macos-latest}
           - {python-version: '3.9', os: macos-latest}
         include:
+          - {python-version: '3.8', os: macos-13}
           - {python-version: '3.9', os: macos-13}
       fail-fast: false
     uses: ./.github/workflows/unit-test.yml
@@ -244,7 +246,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
         test_environment: [default]
       fail-fast: false
     uses: ./.github/workflows/integration-test-slow.yml
@@ -259,12 +261,14 @@ jobs:
     strategy:
       matrix:
         os: [macos-13]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
-        # Python 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        # Python 3.8 and 3.9 is on macos-13 but not macos-latest (macos-14-arm64)
         # https://github.com/actions/setup-python/issues/696#issuecomment-1637587760
         exclude:
+          - {python-version: '3.8', os: macos-latest}
           - {python-version: '3.9', os: macos-latest}
         include:
+          - {python-version: '3.8', os: macos-13}
           - {python-version: '3.9', os: macos-13}
         test_environment: [default]
       fail-fast: false
@@ -280,23 +284,27 @@ jobs:
     strategy:
       matrix:
         os: [arc-runner-set]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
         test_environment:
           - default
           - docker-server-docker-orchestrator-mysql
           - docker-server-docker-orchestrator-mariadb
         exclude:
-   # docker is time-consuming to run, so we only run it on 3.11
+   # docker is time-consuming to run, so we only run it on 3.8
           - test_environment: docker-server-docker-orchestrator-mysql
             python-version: '3.9'
           - test_environment: docker-server-docker-orchestrator-mysql
             python-version: '3.10'
+          - test_environment: docker-server-docker-orchestrator-mysql
+            python-version: '3.11'
           - test_environment: docker-server-docker-orchestrator-mysql
             python-version: '3.12'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.9'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.10'
+          - test_environment: docker-server-docker-orchestrator-mariadb
+            python-version: '3.11'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.12'
       fail-fast: false
diff --git a/.github/workflows/integration-test-fast.yml b/.github/workflows/integration-test-fast.yml
index 8762e276a37..82d1c260aee 100644
--- a/.github/workflows/integration-test-fast.yml
+++ b/.github/workflows/integration-test-fast.yml
@@ -36,9 +36,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.9', '3.10', '3.11', '3.12']
+        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.11'
+        default: '3.8'
       test_environment:
         description: The test environment
         type: choice
diff --git a/.github/workflows/integration-test-slow.yml b/.github/workflows/integration-test-slow.yml
index d74f7306804..002898be544 100644
--- a/.github/workflows/integration-test-slow.yml
+++ b/.github/workflows/integration-test-slow.yml
@@ -36,9 +36,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.9', '3.10', '3.11', '3.12']
+        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.11'
+        default: '3.8'
       test_environment:
         description: The test environment
         type: choice
@@ -162,7 +162,7 @@ jobs:
       - name: Install MacOS System Dependencies
         if: runner.os=='macOS'
         run: brew install libomp
-      - name: Unbreak Python in GHA for 3.9-3.10
+      - name: Unbreak Python in GHA for 3.8-3.10
         if: runner.os=='macOS' && inputs.python-version != '3.11'
         # github actions overwrites brew's python. Force it to reassert itself, by
         # running in a separate step.
diff --git a/.github/workflows/nightly_build.yml b/.github/workflows/nightly_build.yml
index 6a8d2c04ce0..a9d18a8cd95 100644
--- a/.github/workflows/nightly_build.yml
+++ b/.github/workflows/nightly_build.yml
@@ -10,7 +10,7 @@ jobs:
     uses: ./.github/workflows/unit-test.yml
     with:
       os: ubuntu-latest
-      python-version: '3.11'
+      python-version: '3.8'
       git-ref: develop
     secrets: inherit
     if: github.repository == 'zenml-io/zenml'
diff --git a/.github/workflows/publish_to_pypi.yml b/.github/workflows/publish_to_pypi.yml
index c2a81e42ee3..4d2c0ed03ca 100644
--- a/.github/workflows/publish_to_pypi.yml
+++ b/.github/workflows/publish_to_pypi.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.11'
+          python-version: '3.8'
       - name: Install Poetry
         uses: snok/install-poetry@v1.3.4
         with:
diff --git a/.github/workflows/publish_to_pypi_nightly.yml b/.github/workflows/publish_to_pypi_nightly.yml
index 67deaac282b..a82e1e9db79 100644
--- a/.github/workflows/publish_to_pypi_nightly.yml
+++ b/.github/workflows/publish_to_pypi_nightly.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.11'
+          python-version: '3.8'
       - name: Install Poetry
         uses: snok/install-poetry@v1.3.4
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1b7881e64e3..598a7600de7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ jobs:
     uses: ./.github/workflows/unit-test.yml
     with:
       os: arc-runner-set
-      python-version: '3.11'
+      python-version: '3.8'
     secrets: inherit
   mlstacks-compatibility-check:
     needs: setup-and-test
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.11'
+          python-version: '3.8'
       - name: Install uv
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
diff --git a/.github/workflows/templates-test.yml b/.github/workflows/templates-test.yml
index d76a85a731d..e476b5170c1 100644
--- a/.github/workflows/templates-test.yml
+++ b/.github/workflows/templates-test.yml
@@ -22,9 +22,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.9', '3.10', '3.11', '3.12']
+        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.11'
+        default: '3.8'
 jobs:
   all-template-tests:
     name: all-template-tests
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 03752da2c37..fae07ae41ce 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -37,9 +37,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.9', '3.10', '3.11', '3.12']
+        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.11'
+        default: '3.8'
       enable_tmate:
         description: Enable tmate session for debugging
         type: choice
@@ -104,6 +104,11 @@ jobs:
         env:
           ZENML_ANALYTICS_OPT_IN: false
           ZENML_DEBUG: true
+
+      # - name: Upload coverage
+      #  # only do it for python 3.8, we don't need to do it for every version
+      #   if: ${{ inputs.os == 'arc-runner-set' && inputs.python-version == '3.8' }}
+      #   uses: codecov/codecov-action@v2
       - name: Setup tmate session after tests
         if: ${{ inputs.enable_tmate == 'always' || (inputs.enable_tmate == 'on-failure' && failure()) }}
         uses: mxschmitt/action-tmate@v3.17
diff --git a/.github/workflows/update-templates-to-examples.yml b/.github/workflows/update-templates-to-examples.yml
index 0473babc442..7a9accb4293 100644
--- a/.github/workflows/update-templates-to-examples.yml
+++ b/.github/workflows/update-templates-to-examples.yml
@@ -22,9 +22,9 @@ on:
       python-version:
         description: Python version
         type: choice
-        options: ['3.9', '3.10', '3.11', '3.12']
+        options: ['3.8', '3.9', '3.10', '3.11', '3.12']
         required: false
-        default: '3.11'
+        default: '3.8'
 jobs:
   update-e2e-batch-template-to-examples:
     name: update-e2e-batch-template-to-examples
diff --git a/README.md b/README.md
index 373e86b4577..c13d60c5abe 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,7 @@ Thank you for your support! 🌟
 ## 🤸 Quickstart
 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/zenml-io/zenml/blob/main/examples/quickstart/quickstart.ipynb)
 
-[Install ZenML](https://docs.zenml.io/getting-started/installation) via [PyPI](https://pypi.org/project/zenml/). Python 3.9 - 3.12 is required:
+[Install ZenML](https://docs.zenml.io/getting-started/installation) via [PyPI](https://pypi.org/project/zenml/). Python 3.8 - 3.12 is required:
 
 ```bash
 pip install "zenml[server]" notebook
diff --git a/docs/book/getting-started/installation.md b/docs/book/getting-started/installation.md
index a631c6157a2..b1a598b73f3 100644
--- a/docs/book/getting-started/installation.md
+++ b/docs/book/getting-started/installation.md
@@ -11,7 +11,7 @@ pip install zenml
 ```
 
 {% hint style="warning" %}
-Note that ZenML currently supports **Python 3.9, 3.10, 3.11 and 3.12**. Please make sure that you are using a supported Python version.
+Note that ZenML currently supports **Python 3.8, 3.9, 3.10, 3.11 and 3.12**. Please make sure that you are using a supported Python version.
 {% endhint %}
 
 ## Install with the dashboard
diff --git a/pyproject.toml b/pyproject.toml
index d5250d0521e..6922df1d452 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ classifiers = [
     "Intended Audience :: System Administrators",
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -54,7 +55,7 @@ psutil = ">=5.0.0"
 pydantic = "~2.8"
 pydantic-settings = "*"
 pymysql = { version = "~1.1.0,>=1.1.1" }
-python = ">=3.9,<3.13"
+python = ">=3.8,<3.13"
 python-dateutil = "^2.8.1"
 pyyaml = ">=6.0.1"
 rich = { extras = ["jupyter"], version = ">=12.0.0" }
@@ -341,8 +342,8 @@ exclude = [
 ]
 
 src = ["src", "test"]
-# use Python 3.9 as the minimum version for autofixing
-target-version = "py39"
+# use Python 3.8 as the minimum version for autofixing
+target-version = "py38"
 
 
 [tool.ruff.format]
@@ -401,6 +402,10 @@ strict = true
 namespace_packages = true
 show_error_codes = true
 
+# temporary fix for python 3.8 https://github.com/apache/airflow/discussions/19006
+# remove once the issue is solved in airflow
+exclude = "airflow/"
+
 [[tool.mypy.overrides]]
 module = ["airflow.*"]
 follow_imports = "skip"
diff --git a/release-cloudbuild.yaml b/release-cloudbuild.yaml
index 86e04ab8751..bbaccad7728 100644
--- a/release-cloudbuild.yaml
+++ b/release-cloudbuild.yaml
@@ -1,4 +1,26 @@
 steps:
+  # build client base image - python 3.8
+  - name: gcr.io/cloud-builders/docker
+    args:
+      - '-c'
+      - |
+        docker build \
+          --build-arg ZENML_VERSION=$TAG_NAME \
+          --build-arg PYTHON_VERSION=3.8 \
+          --target client \
+          -f docker/base.Dockerfile . \
+          -t $$USERNAME/zenml:$TAG_NAME-py3.8
+
+        # use latest tags only for official releases
+        if [[ $TAG_NAME =~ ^(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$ ]]; then
+          docker tag $$USERNAME/zenml:$TAG_NAME-py3.8 $$USERNAME/zenml:py3.8
+        fi
+    id: build-base-3.8
+    waitFor: ['-']
+    entrypoint: bash
+    secretEnv:
+      - USERNAME
+
   # build client base image - python 3.9
   - name: gcr.io/cloud-builders/docker
     args:
@@ -130,6 +152,7 @@ steps:
     id: push-base
     waitFor:
       - docker-login
+      - build-base-3.8
       - build-base-3.9
       - build-base-3.10
       - build-base-3.11
diff --git a/src/zenml/cli/integration.py b/src/zenml/cli/integration.py
index 622cc712483..a9f51cf32a9 100644
--- a/src/zenml/cli/integration.py
+++ b/src/zenml/cli/integration.py
@@ -282,6 +282,15 @@ def install(
     else:
         integration_set = set(integrations)
 
+    # TODO: remove once python 3.8 is deprecated
+    if sys.version_info.minor == 8 and "tensorflow" in integration_set:
+        warning(
+            "Python 3.8 with TensorFlow is not fully compatible with "
+            "Pydantic 2 requirements. Consider upgrading to a "
+            "higher Python version if you would like to use the "
+            "Tensorflow integration."
+        )
+
     if sys.version_info.minor == 12 and "tensorflow" in integration_set:
         warning(
             "The TensorFlow integration is not yet compatible with Python "
diff --git a/src/zenml/integrations/huggingface/__init__.py b/src/zenml/integrations/huggingface/__init__.py
index c415d791881..f84128dd2c5 100644
--- a/src/zenml/integrations/huggingface/__init__.py
+++ b/src/zenml/integrations/huggingface/__init__.py
@@ -59,7 +59,11 @@ def get_requirements(cls, target_os: Optional[str] = None) -> List[str]:
             "fsspec<=2023.12.0",
         ]
 
-        requirements += ["transformers"]
+        # In python 3.8 higher transformers version lead to other packages breaking
+        if sys.version_info.minor > 8:
+            requirements += ["transformers"]
+        else:
+            requirements += ["transformers<=4.31"]
 
         # Add the pandas integration requirements
         from zenml.integrations.pandas import PandasIntegration
diff --git a/src/zenml/integrations/tensorflow/__init__.py b/src/zenml/integrations/tensorflow/__init__.py
index dfeb1c12da1..22d9e6440d7 100644
--- a/src/zenml/integrations/tensorflow/__init__.py
+++ b/src/zenml/integrations/tensorflow/__init__.py
@@ -40,6 +40,15 @@ def activate(cls) -> None:
 
         from zenml.integrations.tensorflow import materializers  # noqa
 
+        if sys.version_info.minor == 8:
+            logger.warning(
+                "Python 3.8 with TensorFlow is not fully "
+                "compatible with Pydantic 2 requirements. "
+                "Consider upgrading to a higher Python "
+                "version if you would like to use the "
+                "Tensorflow integration."
+            )
+
     @classmethod
     def get_requirements(cls, target_os: Optional[str] = None) -> List[str]:
         """Defines platform specific requirements for the integration.
diff --git a/tests/harness/utils.py b/tests/harness/utils.py
index aa31d4fae77..6ec7e38fadb 100644
--- a/tests/harness/utils.py
+++ b/tests/harness/utils.py
@@ -56,6 +56,9 @@ def cleanup_folder(path: str) -> None:
                 "Skipping deletion of temp dir at teardown, due to "
                 "Windows Permission error"
             )
+            # TODO[HIGH]: Implement fixture cleanup for Windows where
+            #  shutil.rmtree fails on files that are in use on python 3.7 and
+            #  3.8
     else:
         shutil.rmtree(path)
 
diff --git a/tests/integration/functional/zen_stores/test_secrets_store.py b/tests/integration/functional/zen_stores/test_secrets_store.py
index 29b7d42be02..bc3d79af393 100644
--- a/tests/integration/functional/zen_stores/test_secrets_store.py
+++ b/tests/integration/functional/zen_stores/test_secrets_store.py
@@ -1114,16 +1114,15 @@ def test_list_secrets_filter():
     aria_secret_name = sample_name("arias-whiskers")
     axl_secret_name = sample_name("axls-whiskers")
 
-    with (
-        SecretContext(secret_name=aria_secret_name) as secret_one,
-        SecretContext(
-            secret_name=aria_secret_name, scope=SecretScope.USER
-        ) as secret_two,
-        SecretContext(secret_name=axl_secret_name) as secret_three,
-        SecretContext(
-            secret_name=axl_secret_name, scope=SecretScope.USER
-        ) as secret_four,
-    ):
+    with SecretContext(
+        secret_name=aria_secret_name
+    ) as secret_one, SecretContext(
+        secret_name=aria_secret_name, scope=SecretScope.USER
+    ) as secret_two, SecretContext(
+        secret_name=axl_secret_name
+    ) as secret_three, SecretContext(
+        secret_name=axl_secret_name, scope=SecretScope.USER
+    ) as secret_four:
         all_secrets = store.list_secrets(SecretFilter()).items
         assert len(all_secrets) >= 4
         assert set(
@@ -1264,20 +1263,17 @@ def test_list_secrets_pagination_and_sorting():
 
     suffix = sample_name("")
 
-    with (
-        SecretContext(secret_name=f"arias-whiskers-{suffix}") as secret_one,
-        SecretContext(
-            secret_name=f"arias-spots-{suffix}",
-            scope=SecretScope.USER,
-        ) as secret_two,
-        SecretContext(
-            secret_name=f"axls-whiskers-{suffix}",
-        ) as secret_three,
-        SecretContext(
-            secret_name=f"axls-spots-{suffix}",
-            scope=SecretScope.USER,
-        ) as secret_four,
-    ):
+    with SecretContext(
+        secret_name=f"arias-whiskers-{suffix}"
+    ) as secret_one, SecretContext(
+        secret_name=f"arias-spots-{suffix}",
+        scope=SecretScope.USER,
+    ) as secret_two, SecretContext(
+        secret_name=f"axls-whiskers-{suffix}",
+    ) as secret_three, SecretContext(
+        secret_name=f"axls-spots-{suffix}",
+        scope=SecretScope.USER,
+    ) as secret_four:
         secrets = store.list_secrets(
             SecretFilter(
                 name=f"endswith:{suffix}",