[ENH] AutoETS, ARIMA and AutoARIMA Implementation

.all-contributorsrc

@@ -2620,6 +2620,42 @@
         "code",
         "bug"
       ]
+    },
+    {
+      "login": "vedpawar2254",
+      "name": "ved pawar",
+      "avatar_url": "https://avatars.githubusercontent.com/u/85354558?v=4",
+      "profile": "https://github.com/vedpawar2254",
+      "contributions": [
+        "doc"
+      ]
+    },
+    {
+      "login": "adilsonmedronha",
+      "name": "Adilson",
+      "avatar_url": "https://avatars.githubusercontent.com/u/52141524?v=4",
+      "profile": "https://github.com/adilsonmedronha",
+      "contributions": [
+        "doc"
+      ]
+    },
+    {
+      "login": "kavya-r30",
+      "name": "Kavya Rambhia",
+      "avatar_url": "https://avatars.githubusercontent.com/u/161142013?v=4",
+      "profile": "https://github.com/kavya-r30",
+      "contributions": [
+        "code"
+      ]
+    },
+    {
+      "login": "Akhil-Jasson",
+      "name": "Akhil Jasson",
+      "avatar_url": "https://avatars.githubusercontent.com/u/114808672?v=4",
+      "profile": "https://react-portfolio-git-main-akhil-jassons-projects.vercel.app/",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "commitType": "docs"

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -80,7 +80,7 @@ body:
       Please run the following code snippet and paste the output here.
 
       ```python
-      from aeon import show_versions; show_versions()
+      from aeon.utils import show_versions; show_versions()
       ```
     placeholder: |
       <details>

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +1,16 @@
 <!--
 Thanks for contributing a pull request! Please ensure you have taken a look at our
-contribution guide: https://www.aeon-toolkit.org/en/stable/contributing.html
+contribution guide: https://www.aeon-toolkit.org/en/latest/contributing.html.
 
 Feel free to delete sections of this template if they do not apply to your PR,
 avoid submitting a blank template or empty sections.
+If you are a new contributor, do not delete this template without a suitable
+replacement or reason. If in doubt, ask for help. We're here to help!
+
+Please be aware that we are a team of volunteers so patience is
+necessary when waiting for a review or reply. There may not be a quick turnaround for
+reviews during slow periods. While we value all contributions big or small, pull
+requests which do not follow our guidelines may be closed.
 -->
 
 #### Reference Issues/PRs
@@ -32,26 +39,23 @@ to a minimum.
 #### Any other comments?
 
 <!--
-Please be aware that we are a loose team of volunteers so patience is
-necessary; assistance handling other issues is very welcome. We value all
-user contributions, no matter how minor they are. If we are slow to
-review, either the pull request needs some benchmarking, tinkering,
-convincing, etc. or more likely the reviewers are simply busy. In either
-case, we ask for your understanding during the review process.
+Any other information that is important to this PR or helpful for reviewers.
 -->
 
 ### PR checklist
 
 <!--
-Please go through the checklist below. Please feel free to remove points if they are not applicable.
+Please go through the checklist below. Please feel free to remove points if they are
+not applicable. To check a box, replace the space inside the square brackets with an
+'x' i.e. [x].
 -->
 
 ##### For all contributions
-- [ ] I've added myself to the [list of contributors](https://github.com/aeon-toolkit/aeon/blob/main/.all-contributorsrc). Alternatively, you can use the [@all-contributors](https://allcontributors.org/docs/en/bot/usage) bot to do this for you.
+- [ ] I've added myself to the [list of contributors](https://github.com/aeon-toolkit/aeon/blob/main/.all-contributorsrc). Alternatively, you can use the [@all-contributors](https://allcontributors.org/docs/en/bot/usage) bot to do this for you after the PR has been merged.
 - [ ] The PR title starts with either [ENH], [MNT], [DOC], [BUG], [REF], [DEP] or [GOV] indicating whether the PR topic is related to enhancement, maintenance, documentation, bugs, refactoring, deprecation or governance.
 
 ##### For new estimators and functions
-- [ ] I've added the estimator to the online [API documentation](https://www.aeon-toolkit.org/en/latest/api_reference.html).
+- [ ] I've added the estimator/function to the online [API documentation](https://www.aeon-toolkit.org/en/latest/api_reference.html).
 - [ ] (OPTIONAL) I've added myself as a `__maintainer__` at the top of relevant files and want to be contacted regarding its maintenance. Unmaintained files may be removed. This is for the full file, and you should not add yourself if you are just making minor changes or do not want to help maintain its contents.
 
 ##### For developers with write access

.github/actions/cpu_all_extras/action.yml

@@ -0,0 +1,35 @@
+name: Pip install all_extras with CPU versions
+description: "For CI testing install the CPU version of dependencies with all extras if on ubuntu"
+
+inputs:
+  additional_extras:
+    description: "Comma-separated list of additional extras to install"
+    required: false
+    default: ""
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install CPU TensorFlow
+      if: runner.os == 'Linux'
+      uses: nick-fields/retry@v3
+      with:
+        timeout_minutes: 30
+        max_attempts: 3
+        command: python -m pip install tensorflow-cpu
+
+    - name: Install CPU PyTorch
+      if: runner.os == 'Linux'
+      uses: nick-fields/retry@v3
+      with:
+        timeout_minutes: 30
+        max_attempts: 3
+        command: python -m pip install torch --index-url https://download.pytorch.org/whl/cpu
+
+    - name: Install dependencies
+      uses: nick-fields/retry@v3
+      with:
+        timeout_minutes: 30
+        max_attempts: 3
+        command: >
+          python -m pip install .[all_extras${{ inputs.additional_extras != '' && ',' || '' }}${{ inputs.additional_extras }}]

.github/utilities/changelog_generator.py

@@ -28,7 +28,7 @@ def fetch_merged_pull_requests(page: int = 1) -> list[dict]:
         "base": "main",
         "state": "closed",
         "page": page,
-        "per_page": 50,
+        "per_page": 100,
         "sort": "updated",
         "direction": "desc",
     }
@@ -65,13 +65,9 @@ def fetch_pull_requests_since_last_release() -> list[dict]:
     all_pulls = []
     while not is_exhausted:
         pulls = fetch_merged_pull_requests(page=page)
-        all_pulls.extend(
-            [p for p in pulls if parser.parse(p["merged_at"]) > published_at]
-        )
-        is_exhausted = (
-            any(parser.parse(p["merged_at"]) < published_at for p in pulls)
-            or len(pulls) == 0
-        )
+        is_exhausted = len(pulls) == 0
+        pulls = [p for p in pulls if parser.parse(p["merged_at"]) > published_at]
+        all_pulls.extend(pulls)
         page += 1
     return all_pulls
 

.github/utilities/run_examples.sh

@@ -9,6 +9,7 @@ excluded=()
 if [ "$1" = true ]; then
   excluded+=(
     "examples/datasets/load_data_from_web.ipynb"
+    "examples/benchmarking/published_results.ipynb"
     "examples/benchmarking/reference_results.ipynb"
     "examples/benchmarking/bakeoff_results.ipynb"
     "examples/benchmarking/regression.ipynb"
@@ -21,6 +22,7 @@ if [ "$1" = true ]; then
     "examples/classification/interval_based.ipynb"
     "examples/classification/shapelet_based.ipynb"
     "examples/classification/convolution_based.ipynb"
+    "examples/similarity_search/code_speed.ipynb"
 
   )
 fi

.github/workflows/fast_release.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   build-project:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - uses: actions/checkout@v4
@@ -28,7 +28,7 @@ jobs:
           retention-days: 5
 
   upload-wheels:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - uses: actions/download-artifact@v4

.github/workflows/issue_assigned.yml

@@ -10,7 +10,7 @@ concurrency:
 
 jobs:
   remove-good-first-issue:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Create app token

.github/workflows/issue_comment_edited.yml

@@ -11,7 +11,7 @@ concurrency:
 jobs:
   pr-welcome-edited:
     if: ${{ github.event.issue.pull_request }}
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Create app token

.github/workflows/issue_comment_posted.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   self-assign:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout

.github/workflows/periodic_github_maintenace.yml

@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   stale_branches:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Create app token
@@ -23,7 +23,7 @@ jobs:
           private-key: ${{ secrets.PR_APP_KEY }}
 
       - name: Stale Branches
-        uses: crs-k/stale-branches@v6.0.2
+        uses: crs-k/stale-branches@v7.0.0
         with:
           repo-token: ${{ steps.app-token.outputs.token }}
           days-before-stale: 140

.github/workflows/periodic_tests.yml

@@ -12,7 +12,7 @@ concurrency:
 
 jobs:
   check-manifest:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
@@ -29,7 +29,7 @@ jobs:
           extra_args: check-manifest --hook-stage manual
 
   pre-commit:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
@@ -46,7 +46,7 @@ jobs:
           extra_args: --all-files
 
   run-notebook-examples:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
@@ -65,12 +65,9 @@ jobs:
           python_version: "3.10"
           restore_cache: "false"
 
-      - name: Install dependencies
-        uses: nick-fields/retry@v3
+      - uses: ./.github/actions/cpu_all_extras
         with:
-          timeout_minutes: 30
-          max_attempts: 3
-          command: python -m pip install .[all_extras,binder,dev]
+          additional_extras: "dev,binder"
 
       - name: Run example notebooks
         run: .github/utilities/run_examples.sh false
@@ -83,8 +80,33 @@ jobs:
           # Save cache with the current date (ENV set in numba_cache action)
           key: numba-run-notebook-examples-${{ runner.os }}-3.10-${{ env.CURRENT_DATE }}
 
+  test-core-imports:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+
+      - name: Install aeon and dependencies
+        uses: nick-fields/retry@v3
+        with:
+          timeout_minutes: 30
+          max_attempts: 3
+          command: python -m pip install .
+
+      - name: Show dependencies
+        run: python -m pip list
+
+      - name: Run import test
+        run: python aeon/testing/tests/test_core_imports.py
+
   test-no-soft-deps:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
@@ -129,7 +151,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-22.04, macOS-14, windows-2022 ]
+        os: [ ubuntu-24.04, macOS-14, windows-2022 ]
         python-version: [ "3.9", "3.10", "3.11", "3.12" ]
 
     steps:
@@ -141,6 +163,12 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Set swap space
+        if: runner.os == 'Linux'
+        uses: pierotofy/set-swap-space@v1.0
+        with:
+          swap-size-gb: 10
+
       - name: Use numba cache to set env variables but not restore cache
         uses: ./.github/actions/numba_cache
         with:
@@ -149,12 +177,9 @@ jobs:
           python_version: ${{ matrix.python-version }}
           restore_cache: "false"
 
-      - name: Install aeon and dependencies
-        uses: nick-fields/retry@v3
+      - uses: ./.github/actions/cpu_all_extras
         with:
-          timeout_minutes: 30
-          max_attempts: 3
-          command: python -m pip install .[all_extras,dev]
+          additional_extras: "dev"
 
       - name: Show dependencies
         run: python -m pip list
@@ -170,7 +195,7 @@ jobs:
           key: numba-pytest-${{ runner.os }}-${{ matrix.python-version}}-${{ env.CURRENT_DATE }}
 
   codecov:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
@@ -184,12 +209,9 @@ jobs:
       - name: Disable Numba JIT
         run: echo "NUMBA_DISABLE_JIT=1" >> $GITHUB_ENV
 
-      - name: Install aeon and dependencies
-        uses: nick-fields/retry@v3
+      - uses: ./.github/actions/cpu_all_extras
         with:
-          timeout_minutes: 30
-          max_attempts: 3
-          command: python -m pip install .[all_extras,unstable_extras,dev]
+          additional_extras: "unstable_extras,dev"
 
       - name: Show dependencies
         run: python -m pip list