Initial import

.codecov.yml

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+---
+
+codecov:
+  notify:
+    after_n_builds: 24  # The number of test matrix+lint jobs uploading coverage
+    wait_for_ci: false
+
+  require_ci_to_pass: false
+
+  token: 26f4a393-24a9-48d9-8fa4-f1344d930846  # repo-scoped
+
+comment:
+  require_changes: true
+
+coverage:
+  range: 99.34..100
+  status:
+    patch:
+      default:
+        target: 100%
+        flags:
+        - pytest
+    project:
+      default:
+        target: 100%
+      lib:
+        flags:
+        - pytest
+        paths:
+        - propcache/
+        target: 97.91%
+      tests:
+        flags:
+        - pytest
+        paths:
+        - tests/
+        target: 99.87%  # 100%
+      typing:
+        flags:
+        - MyPy
+        target: 100%
+
+...

.coveragerc

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+[html]
+show_contexts = true
+skip_covered = false
+
+[paths]
+source =
+  propcache
+  */lib/pypy*/site-packages/propcache
+  */lib/python*/site-packages/propcache
+  */Lib/site-packages/propcache
+
+[report]
+fail_under = 98.95
+skip_covered = true
+skip_empty = true
+show_missing = true
+exclude_also =
+  ^\s*@pytest\.mark\.xfail
+
+[run]
+branch = true
+cover_pylib = false
+# https://coverage.rtfd.io/en/latest/contexts.html#dynamic-contexts
+# dynamic_context = test_function  # conflicts with `pytest-cov` if set here
+parallel = true
+plugins =
+  covdefaults
+  Cython.Coverage
+relative_files = true
+source =
+  .
+source_pkgs =
+  propcache

.github/ISSUE_TEMPLATE/bug_report.yml

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+---
+name: 🐞 Bug Report
+description: Create a report to help us improve.
+labels:
+- bug
+body:
+- type: markdown
+  attributes:
+    value: |
+      **Thanks for taking a minute to file a bug report!**
+
+      ⚠
+      Verify first that your issue is not [already reported on
+      GitHub][issue search].
+
+      _Please fill out the form below with as many precise
+      details as possible._
+
+      [issue search]: ../search?q=is%3Aissue&type=issues
+
+- type: checkboxes
+  id: terms
+  attributes:
+    label: Please confirm the following
+    description: |
+      Read the [aio-libs Code of Conduct][CoC] first. Check the existing issues
+      on the tracker. Take into account the possibility of your report
+      surfacing a security vulnerability.
+
+      [CoC]: ../../.github/blob/master/CODE_OF_CONDUCT.md
+    options:
+    - label: |
+        I agree to follow the [aio-libs Code of Conduct][CoC]
+
+        [CoC]: ../../.github/blob/master/CODE_OF_CONDUCT.md
+      required: true
+    - label: |
+        I have checked the [current issues][issue search] for duplicates.
+
+        [issue search]: ../search?q=is%3Aissue&type=issues
+      required: true
+    - label: >-
+        I understand this is open source software provided for free and
+        that I might not receive a timely response.
+      required: true
+    - label: |
+        I am positive I am **NOT** reporting a (potential) security
+        vulnerability, to the best of my knowledge. *(These must be shared by
+        submitting [this report form][vulnerability report form] instead, if
+        any hesitation exists.)*
+
+        [vulnerability report form]: ../security/advisories/new
+      required: true
+    - label: >-
+        I am willing to submit a pull request with reporoducers as xfailing test
+        cases or even entire fix. *(Assign this issue to me.)*
+      required: false
+
+- type: textarea
+  attributes:
+    label: Describe the bug
+    description: >-
+      A clear and concise description of what the bug is.
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: To Reproduce
+    description: >-
+      Describe the steps to reproduce this bug.
+    placeholder: |
+      1. Have certain environment
+      2. Run given code snippet in a certain way
+      3. See some behavior described
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Expected behavior
+    description: >-
+      A clear and concise description of what you expected to happen.
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Logs/tracebacks
+    description: |
+      If applicable, add logs/tracebacks to help explain your problem.
+      Paste the output of the steps above, including the commands
+      themselves and their output/traceback etc.
+    render: python-traceback
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Python Version
+    description: Attach your version of Python.
+    render: console
+    value: |
+      $ python --version
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: propcache Version
+    description: Attach your version of propcache.
+    render: console
+    value: |
+      $ python -m pip show propcache
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: OS
+    placeholder: >-
+      For example, Arch Linux, Windows, macOS, etc.
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Additional context
+    description: |
+      Add any other context about the problem here.
+
+      Describe the environment you have that lead to your issue.
+      This includes proxy server and other bits that are related to your case.
+
+...

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,37 @@
+---
+
+# yamllint disable rule:line-length
+# Ref: https://help.github.com/en/github/building-a-strong-community/configuring-issue-templates-for-your-repository#configuring-the-template-chooser
+# yamllint enable rule:line-length
+blank_issues_enabled: false  # default: true
+contact_links:
+- name: 🔐 Security bug report 🔥
+  url: https://github.com/aio-libs/.github/security/policy
+  about: |
+    Please learn how to report security vulnerabilities here.
+
+    For all security related bugs, send an email
+    instead of using this issue tracker and you
+    will receive a prompt response.
+
+    For more information, see
+    https://github.com/aio-libs/.github/security/policy
+- name: >-
+    [🎉 NEW 🎉]
+    🤷💻🤦 GitHub Discussions
+  url: https://github.com/aio-libs/propcache/discussions
+  about: >-
+    Please ask typical Q&A in the Discussions tab or on StackOverflow
+- name: 🤷💻🤦 StackOverflow
+  url: https://stackoverflow.com/questions/tagged/aiohttp
+  about: >-
+    Please ask typical Q&A here or in the
+    Discussions tab @ https://github.com/aio-libs/propcache/discussions
+- name: 💬 Gitter Chat
+  url: https://gitter.im/aio-libs/Lobby
+  about: Chat with devs and community
+- name: 📝 Code of Conduct
+  url: https://github.com/aio-libs/.github/blob/master/CODE_OF_CONDUCT.md
+  about: ❤ Be nice to other members of the community. ☮ Behave.
+
+...

.github/ISSUE_TEMPLATE/feature_request.yml

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+---
+name: 🚀 Feature request
+description: Suggest an idea for this project.
+labels:
+- enhancement
+body:
+- type: markdown
+  attributes:
+    value: |
+      **Thanks for taking a minute to file a feature for propcache!**
+
+      ⚠
+      Verify first that your feature request is not [already reported on
+      GitHub][issue search].
+
+      _Please fill out the form below with as many precise
+      details as possible._
+
+      [issue search]: ../search?q=is%3Aissue&type=issues
+
+- type: textarea
+  attributes:
+    label: Is your feature request related to a problem?
+    description: >-
+       Please add a clear and concise description of what
+       the problem is. _Ex. I'm always frustrated when [...]_
+
+- type: textarea
+  attributes:
+    label: Describe the solution you'd like
+    description: >-
+      A clear and concise description of what you want to happen.
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Describe alternatives you've considered
+    description: >-
+      A clear and concise description of any alternative solutions
+      or features you've considered.
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Additional context
+    description: >-
+      Add any other context or screenshots about
+      the feature request here.
+
+- type: checkboxes
+  attributes:
+    label: Code of Conduct
+    description: |
+      Read the [aio-libs Code of Conduct][CoC] first.
+
+      [CoC]: https://github.com/aio-libs/.github/blob/master/CODE_OF_CONDUCT.md
+    options:
+    - label: I agree to follow the aio-libs Code of Conduct
+      required: true
+...

.github/dependabot.yml

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+---
+
+version: 2
+updates:
+
+# Maintain dependencies for GitHub Actions
+- package-ecosystem: "github-actions"
+  directory: "/"
+  labels:
+  - dependencies
+  schedule:
+    interval: "daily"
+
+# Maintain dependencies for Python
+- package-ecosystem: "pip"
+  directory: "/"
+  labels:
+  - dependencies
+  schedule:
+    interval: "daily"
+  open-pull-requests-limit: 10
+
+...

.github/workflows/auto-merge.yml

@@ -0,0 +1,27 @@
+---
+
+name: Dependabot auto-merge
+on: pull_request_target
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    timeout-minutes: 1
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+    - name: Dependabot metadata
+      id: metadata
+      uses: dependabot/fetch-metadata@v2
+      with:
+        github-token: "${{ secrets.GITHUB_TOKEN }}"
+    - name: Enable auto-merge for Dependabot PRs
+      run: gh pr merge --auto --squash "$PR_URL"
+      env:
+        PR_URL: ${{github.event.pull_request.html_url}}
+        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
+...