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Merge branch 'matplotlib:main' into hasans-matplotlib/main
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‎.flake8

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[flake8]
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max-line-length = 79
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max-line-length = 88
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select =
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# flake8 default
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C90, E, F, W,
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doc/tutorials
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# External files.
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tools/gh_api.py
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tools/github_stats.py
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.tox
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.eggs
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tutorials/introductory/quick_start.py: E703
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tutorials/introductory/animation_tutorial.py: E501
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tutorials/text/annotations.py: E402, E501
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tutorials/text/mathtext.py: E501
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tutorials/text/text_intro.py: E402
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tutorials/text/text_props.py: E501
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tutorials/text/usetex.py: E501

‎.git-blame-ignore-revs

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# chore: fix spelling errors
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686c9e5a413e31c46bb049407d5eca285bcab76d
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# chore: pyupgrade --py39-plus
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4d306402bb66d6d4c694d8e3e14b91054417070e

‎.github/workflows/cibuildwheel.yml

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fetch-depth: 0
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- name: Build wheels for CPython 3.11
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uses: pypa/cibuildwheel@v2.11.4
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uses: pypa/cibuildwheel@v2.12.0
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env:
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CIBW_BUILD: "cp311-*"
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CIBW_SKIP: "*-musllinux*"
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CIBW_ARCHS: ${{ matrix.cibw_archs }}
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- name: Build wheels for CPython 3.10
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uses: pypa/cibuildwheel@v2.11.4
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uses: pypa/cibuildwheel@v2.12.0
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env:
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CIBW_BUILD: "cp310-*"
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CIBW_SKIP: "*-musllinux*"
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CIBW_ARCHS: ${{ matrix.cibw_archs }}
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- name: Build wheels for CPython 3.9
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uses: pypa/cibuildwheel@v2.11.4
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uses: pypa/cibuildwheel@v2.12.0
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env:
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CIBW_BUILD: "cp39-*"
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CIBW_SKIP: "*-musllinux*"
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CIBW_ARCHS: ${{ matrix.cibw_archs }}
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- name: Build wheels for PyPy
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uses: pypa/cibuildwheel@v2.11.4
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uses: pypa/cibuildwheel@v2.12.0
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env:
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CIBW_BUILD: "pp39-*"
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CIBW_SKIP: "*-musllinux*"

‎.github/workflows/cygwin.yml

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name: Python 3.${{ matrix.python-minor-version }} on Cygwin
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if: |
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github.event_name == 'workflow_dispatch' ||
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github.event_name == 'schedule' ||
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(
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github.repository == 'matplotlib/matplotlib' &&
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!contains(github.event.head_commit.message, '[ci skip]') &&
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)
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strategy:
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matrix:
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python-minor-version: [8, 9]
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python-minor-version: [9]
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steps:
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- name: Fix line endings
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with:
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fetch-depth: 0
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- uses: cygwin/cygwin-install-action@v2
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- uses: cygwin/cygwin-install-action@v3
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with:
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packages: >-
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ccache gcc-g++ gdb git graphviz libcairo-devel libffi-devel

‎.github/workflows/nightlies.yml

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---
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name: Upload nightly wheels to Anaconda Cloud
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on:
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runs-on: ubuntu-latest
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defaults:
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run:
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shell: bash -l {0}
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# The login shell is necessary for the provision-with-micromamba setup
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# to work in subsequent jobs.
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# https://github.com/mamba-org/provision-with-micromamba#important
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shell: bash -e -l {0}
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if: github.repository_owner == 'matplotlib'
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steps:
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# c.f. https://github.com/actions/download-artifact/issues/3#issuecomment-1017141067
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# https://github.com/actions/download-artifact/issues/3#issuecomment-1017141067
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- name: Download wheel artifacts from last build on 'main'
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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gh run --repo "${PROJECT_REPO}" \
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list --branch "${BRANCH}" \
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--workflow "${WORKFLOW_NAME}" \
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--json event,status,databaseId > runs.json
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# Filter on 'push' events to main (merged PRs) that have completed
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jq --compact-output \
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'[ .[] | select(.event == "push") | select(.status == "completed") ]' \
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runs.json > pushes.json
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# Get id of latest build of wheels
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--json event,status,conclusion,databaseId > runs.json
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RUN_ID=$(
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jq --compact-output \
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'sort_by(.databaseId) | reverse | .[0].databaseId' pushes.json
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'[
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.[] |
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# Filter on "push" events to main (merged PRs) ...
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select(.event == "push") |
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# that have completed successfully ...
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select(.status == "completed" and .conclusion == "success")
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] |
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# and get ID of latest build of wheels.
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sort_by(.databaseId) | reverse | .[0].databaseId' runs.json
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)
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gh run --repo "${PROJECT_REPO}" view "${RUN_ID}"
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gh run --repo "${PROJECT_REPO}" \
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download "${RUN_ID}" --name "${ARTIFACT_NAME}"
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# N.B. anaconda-client is only maintained on the main channel
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- name: Install anaconda-client
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uses: mamba-org/provision-with-micromamba@v14
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uses: mamba-org/provision-with-micromamba@v15
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with:
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environment-file: false
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environment-name: nightlies
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N_LATEST_UPLOADS=5
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# Remove all _but_ the last "${N_LATEST_UPLOADS}" package versions
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# N.B.: `anaconda show` places the newest packages at the bottom of the output
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# of the 'Versions' section and package versions are preceded with a ' + '.
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# N.B.: `anaconda show` places the newest packages at the bottom of
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# the output of the 'Versions' section and package versions are
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# preceded with a ' + '.
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anaconda show scipy-wheels-nightly/matplotlib &> >(grep '+') | \
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sed 's/.* + //' | \
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head --lines "-${N_LATEST_UPLOADS}" > remove-package-versions.txt
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if [ -s remove-package-versions.txt ]; then
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while LANG=C IFS= read -r package_version ; do
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echo "# Removing scipy-wheels-nightly/matplotlib/${package_version}"
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anaconda --token ${{ secrets.ANACONDA_ORG_UPLOAD_TOKEN }} remove \
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--force \
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"scipy-wheels-nightly/matplotlib/${package_version}"
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done <remove-package-versions.txt
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fi
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while LANG=C IFS= read -r package_version ; do
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echo "Removing scipy-wheels-nightly/matplotlib/${package_version}"
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anaconda --token ${{ secrets.ANACONDA_ORG_UPLOAD_TOKEN }} remove \
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--force \
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"scipy-wheels-nightly/matplotlib/${package_version}"
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done <remove-package-versions.txt

‎azure-pipelines.yml

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displayName: 'Install dependencies with pip'
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- bash: |
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SETUPTOOLS_USE_DISTUTILS=stdlib python -m pip install -ve . ||
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python -m pip install -ve . ||
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[[ "$PYTHON_VERSION" = 'Pre' ]]
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displayName: "Install self"
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‎doc/api/next_api_changes/behavior/25061-DS.rst

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TwoSlopeNorm now auto-expands to always have two slopes
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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In the case where either ``vmin`` or ``vmax`` are not manually specified
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to `~.TwoSlopeNorm`, and where the data it is scaling is all less than or
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greater than the center point, the limits are now auto-expanded so there
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are two symmetrically sized slopes either side of the center point.
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Previously ``vmin`` and ``vmax`` were clipped at the center point, which
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caused issues when displaying color bars.
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This does not affect behaviour when ``vmin`` and ``vmax`` are manually
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specified by the user.

‎doc/api/next_api_changes/deprecations/24990-OG.rst

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Arguments other than ``renderer`` to ``get_tightbbox``
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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... are keyword-only arguments. This is for consistency and that
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different classes have different additional arguments.

‎doc/api/next_api_changes/development/24893-KS.rst

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Maximum line length increased to 88 characters
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The maximum line length for new contributions has been extended from 79 characters to
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88 characters.
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This change provides an extra 9 characters to allow code which is a single idea to fit
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on fewer lines (often a single line).
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The chosen length is the same as `black <https://black.readthedocs.io/en/stable/the_black_code_style/current_style.html#line-length>`_.

‎doc/api/next_api_changes/development/24919-KS.rst

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+------------+-----------------+---------------+
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| kiwisolver | 1.0.1 | 1.3.1 |
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+------------+-----------------+---------------+
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| NumPy | 1.20.0 | 1.21.0 |
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+------------+-----------------+---------------+
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| Pillow | 6.2.1 | 8.0 |
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+------------+-----------------+---------------+
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‎doc/conf.py

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raise ImportError(
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"The following dependencies are missing to build the "
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"documentation: {}".format(", ".join(missing)))
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f"documentation: {', '.join(missing)}")
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if shutil.which('dot') is None:
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raise OSError(
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"No binary named dot - graphviz must be installed to build the "

‎doc/devel/MEP/MEP08.rst

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Status
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======
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**Completed**
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**Superseded**
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Current guidelines for style, including usage of pep8 are maintained
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in `our pull request guidelines <https://matplotlib.org/devdocs/devel/coding_guide.html>`_.
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We are currently enforcing a sub-set of pep8 on new code contributions.
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‎doc/devel/coding_guide.rst

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* Formatting should follow the recommendations of PEP8_, as enforced by
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flake8_. You can check flake8 compliance from the command line with ::
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flake8_. Matplotlib modifies PEP8 to extend the maximum line length to 88
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characters. You can check flake8 compliance from the command line with ::
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* Does the PR conform with the :ref:`coding_guidelines`?
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* Is the :ref:`documentation <pr-documentation>` (docstrings, examples,
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what's new, API changes) updated?
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* Is the change purely stylistic? Generally, such changes are discouraged when
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not part of other non-stylistic work because it obscures the git history of
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functional changes to the code. Reflowing a method or docstring as part of a
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larger refactor/rewrite is acceptable.
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Organizational topics:
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‎doc/devel/dependencies.rst

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* `dateutil <https://pypi.org/project/python-dateutil/>`_ (>= 2.7)
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* `fontTools <https://fonttools.readthedocs.io/en/latest/>`_ (>= 4.22.0)
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* `kiwisolver <https://github.com/nucleic/kiwi>`_ (>= 1.3.1)
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* `NumPy <https://numpy.org>`_ (>= 1.20)
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* `NumPy <https://numpy.org>`_ (>= 1.21)
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* `packaging <https://pypi.org/project/packaging/>`_ (>= 20.0)
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* `Pillow <https://pillow.readthedocs.io/en/latest/>`_ (>= 8.0)
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* `pyparsing <https://pypi.org/project/pyparsing/>`_ (>= 2.3.1)
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- `setuptools_scm <https://pypi.org/project/setuptools-scm/>`_ (>= 7). Used to
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update the reported ``mpl.__version__`` based on the current git commit.
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Also a runtime dependency for editable installs.
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- `NumPy <https://numpy.org>`_ (>= 1.20). Also a runtime dependency.
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- `NumPy <https://numpy.org>`_ (>= 1.21). Also a runtime dependency.
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.. _compile-dependencies:

‎doc/devel/documenting_mpl.rst

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:file:`/doc/tutorials` directories respectively. To exclude an example
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Formatting the example
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----------------------
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The format of these files is relatively straightforward. Properly
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formatted comment blocks are treated as ReST_ text, the code is
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displayed, and figures are put into the built page.
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displayed, and figures are put into the built page. Matplotlib uses the
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``# %%`` section separator so that IDEs will identify "code cells" to make
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it easy to re-run sub-sections of the example.
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For instance the example :doc:`/gallery/lines_bars_and_markers/simple_plot`
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example is generated from
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:doc:`/tutorials/introductory/quick_start`). The first comment block
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can be the same as the example above. Subsequent blocks of ReST text
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are delimited by the line ``# %%`` :
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.. code-block:: python
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##########################################################################
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# %%
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# ===========
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#
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.. code-block:: python
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###############################################################################
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# %%
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#
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# .. admonition:: References
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#

‎doc/devel/min_dep_policy.rst

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========== ======== ======
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Matplotlib Python NumPy
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========== ======== ======
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`3.8`_ 3.9 1.21.0
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`3.7`_ 3.8 1.20.0
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1.0 2.4 1.1
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========== ======== ======
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.. _`3.8`: https://matplotlib.org/3.8.0/devel/dependencies.html
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.. _`3.7`: https://matplotlib.org/3.7.0/devel/dependencies.html
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.. _`3.6`: https://matplotlib.org/3.6.0/devel/dependencies.html
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.. _`3.5`: https://matplotlib.org/3.5.0/devel/dependencies.html

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