Fix up dependency/install issues

.copier-answers.yml

@@ -0,0 +1,17 @@
+# Changes here will be overwritten by Copier; NEVER EDIT MANUALLY
+_commit: v0.6.1
+_src_path: ../../repos/copier-core-python-repository
+email: [email protected]
+initial_setup: true
+name: Zebedee Nicholls
+notebook_dependencies: true
+pandas_doctests: false
+plot_dependencies: false
+project_description_short: Implementations of the two layer radiative forcing driven
+    models by [Held et al.](https://journals.ametsoc.org/doi/full/10.1175/2009JCLI3466.1)
+    and [Geoffroy et al.](https://journals.ametsoc.org/doi/pdf/10.1175/JCLI-D-12-00195.1)
+project_name_human: OpenSCM Two Layer Model
+project_name_pip: openscm-twolayermodel
+project_name_python: openscm_twolayermodel
+project_url: https://github.com/openscm/openscm-twolayermodel
+track_lock_file: true

.github/ISSUE_TEMPLATE/bug.md

@@ -0,0 +1,41 @@
+---
+name: Bug report
+about: Report a bug
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+## Describe the bug
+<!--- A clear and concise description of what the bug is. -->
+
+## Failing Test
+<!---
+Please put the code (ideally in the form of a unit test) which fails below.
+
+e.g.
+
+```python
+def test_bug_12():
+    # Python code here which fails because of the bug
+    # This is best if other developers can simply copy and paste this test in
+    # order to run it
+```
+-->
+
+## Expected behavior
+<!--- A clear and concise description of what you expected to happen. -->
+
+## Screenshots
+<!--- If applicable, add screenshots to help explain your problem. -->
+
+## System
+<!--- Please complete the following information. -->
+
+ - OS: [e.g. Windows, Linux, macOS]
+ - Python version [e.g. Python 3.11]
+ - Please also upload your `poetry.lock` file (first run `poetry lock` to make sure the lock file is up-to-date)
+
+## Additional context
+<!--- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/default.md

@@ -0,0 +1,21 @@
+---
+name: Default
+about: Report an issue or problem
+title: ''
+labels: triage
+assignees: ''
+
+---
+
+## The problem
+<!--- Useful to breakdown to "As a [persona], I [want to do], so that [reason] -->
+
+## Definition of "done"
+<!---
+What are the things that must be true in order to close this issue
+
+We find that describing these as dot points works well.
+-->
+
+## Additional context
+<!--- Add any additional context can go here -->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,21 +1,32 @@
 ---
 name: Feature Request
-about: Suggest an idea for this project
+about: Request a feature or suggest an idea for this project
+title: ''
+labels: feature
+assignees: ''
 
 ---
 
-**Is your feature request related to a problem? Please describe.**
+## The motivation
 
-A clear and concise description of what the problem is. E.g. It's annoying that I always have to [...]
+<!--- Useful to breakdown to "As a [persona], I [want to do], so that [reason] -->
 
-**Describe the solution you'd like**
+## The proposed solution
 
-A clear and concise description of the solution you would like to see.
+<!---
+If you'd like, please provide a description of the solution you would like to see
 
-**Describe alternatives you've considered**
+If you don't have any ideas for the solution, simply leave this blank
+-->
 
-A clear and concise description of any alternative solutions or features you've considered.
+## Alternatives
 
-**Additional context**
+<!---
+If you've considered any alternatives, please describe them here
 
-Add any other context or screenshots about the feature request here.
+If you don't have any alternatives, simply leave this blank
+-->
+
+## Additional context
+
+<!--- Add any additional context can go here -->

.github/actions/setup/action.yml

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+name: "Setup Python and Poetry"
+description: "setup Python and Poetry with caches"
+
+inputs:
+  os:
+    description: "Operating system to use"
+    required: false
+    default: "ubuntu-latest"
+  python-version:
+    description: "Python version to use"
+    required: true
+  venv-id:
+    description: "ID to identify cached environment (should be unique from other steps)"
+    required: true
+  poetry-dependency-install-flags:
+    description: "Flags to pass to poetry when running `poetry install --no-interaction --no-root`"
+    required: true
+  run-poetry-install:
+    description: "Should we run the poetry install steps"
+    required: false
+    default: true
+
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install poetry
+      shell: bash
+      run: |
+        pipx install poetry
+        which poetry
+        poetry --version  # Check poetry installation
+
+    - name: Set up Python ${{ inputs.python-version }}
+      id: setup-python
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ inputs.python-version }}
+        cache: poetry
+    - name: Set Poetry environment
+      shell: bash
+      run: |
+        # This line used to be needed, but seems to have been
+        # sorted with newer poetry versions. We can still check whether
+        # the right version of python is used by looking at the output of
+        # `poetry run which python` below and whether the right version
+        # of python is used in the tests (or whatever step is being done)
+        # poetry env use "python${{ inputs.python-version }}"
+        poetry config virtualenvs.create true
+        poetry config virtualenvs.in-project true
+    - name: Install dependencies
+      if: ${{ (inputs.run-poetry-install == 'true')  && (steps.setup-python.outputs.cache-hit != 'true') }}
+      shell: bash
+      run: |
+        poetry install --no-interaction --no-root ${{ inputs.poetry-dependency-install-flags }}
+    # Now run same command but let the package install too
+    - name: Install package
+      # To ensure that the package is always installed, this step is run even if the cache was hit
+      if: ${{ inputs.run-poetry-install == 'true' }}
+      shell: bash
+      run: |
+        poetry install --no-interaction ${{ inputs.poetry-dependency-install-flags }}
+        poetry run python --version  # Check python version just in case

.github/pull_request_template.md

@@ -1,6 +1,9 @@
-<Please replace this paragraph by a description of what this PR does and alter the TODO-list below to what applies here. Please make a 'draft PR' to begin and then only mark it as ready for review once all the relevant points are done.>
+## Description
+
+## Checklist
+
+Please confirm that this pull request has done the following:
 
 - [ ] Tests added
-- [ ] Documentation added
-- [ ] Example added (in the documentation, to an existing notebook, or in a new notebook)
-- [ ] Description in ``CHANGELOG.rst`` added (single line such as: ``(`#XX <https://github.com/openscm/openscm-twolayermodel/pull/XX>`_) Added feature which does something``)
+- [ ] Documentation added (where applicable)
+- [ ] Changelog item added to `changelog/`

.github/release_template.md

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+## Announcements
+
+* Announcement 1
+
+## Changes
+
+* Change 1

.github/workflows/bump.yaml

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+name: Bump version
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump_rule:
+        type: choice
+        description: How to bump the project's version (see https://python-poetry.org/docs/cli/#version)
+        options:
+          - patch
+          - minor
+          - major
+          - prepatch
+          - preminor
+          - premajor
+          - prerelease
+        required: true
+
+jobs:
+  bump_version:
+    name: "Bump version and create changelog"
+    if: "!startsWith(github.event.head_commit.message, 'bump:')"
+    runs-on: ubuntu-latest
+    env:
+      CI_COMMIT_EMAIL: "[email protected]"
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          token: "${{ secrets.PERSONAL_ACCESS_TOKEN }}"
+
+      # towncrier imports the package as part of building so we have to
+      # install the pacakage (to keep things slim, we only install the main
+      # dependencies, which also means that we get a test that we can import
+      # the package with only the compulsory dependencies installed for free)
+      - uses: ./.github/actions/setup
+        with:
+          python-version: "3.11"
+          venv-id: "bump"
+          poetry-dependency-install-flags: "--only main"
+
+      - name: Install towncrier
+        run: |
+          poetry run pip install towncrier
+
+      - name: Create bump and changelog
+
+        run: |
+          git config --global user.name "$GITHUB_ACTOR"
+          git config --global user.email "$CI_COMMIT_EMAIL"
+
+          # Bump
+          BASE_VERSION=`poetry version -s`
+          NEW_VERSION=`poetry version -s ${{ github.event.inputs.bump_rule }}`
+          echo "Bumping version $BASE_VERSION > $NEW_VERSION"
+          poetry run towncrier build --yes --version v$NEW_VERSION
+          git commit -a -m "bump: version $BASE_VERSION -> $NEW_VERSION"
+          git tag v$NEW_VERSION
+
+          # Bump to alpha (so that future commits do not have the same
+          # version as the tagged commit)
+          BASE_VERSION=`poetry version -s`
+          NEW_VERSION=`poetry version -s prerelease`
+          echo "Bumping version $BASE_VERSION > $NEW_VERSION"
+          git commit -a -m "bump(pre-release): version $BASE_VERSION > $NEW_VERSION"
+          git push && git push --tags