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This bot is meant to help identify issues with a CPython pull request.

• Identifies missing GitHub issue numbers in the title

If no GitHub issue number is found the status fails and the"Details" link points to the relevantsection of the devguide.

• Links to GitHub issues

If an issue number is found then the "Details" link points to the relevant issueitself, making it easier to navigate from PR to issue.

• Identifies missing news entry

If noMisc/NEWS.d entry is found or the news entry is formatted incorrectlyand the issue doesn't have theskip news label, the status fails and a relevantdescription label is added to it.

• Closes invalid PRs

Closes PRs that try to merge a maintenance branch into the main branch, addsinvalid label, and posts a relevant message.

• Labels PRs for docs

Labels PRs for documentation astype-documentation

• Copies main labels to backport

Copies labels from main PRs to backport PRs

This diagram represent the state machine for pull requests, and the labelsapplied by Bedevere.

The colors represent who can make a state change or who is currentlyblocking the PR from moving forward:

• Yellow: the PR creator
• Green: core developers
• Blue: anyone

flowchart TD    A([Published PR]):::creator    A_draft([New Draft PR]):::creator    A_draft -- publish draft by contributor --> A:::creator    A -- by contributor --> B[Awaiting review]:::anyone    A -- by core dev --> C[Awaiting core review]:::coredev    B & C -- new review by\nanother contributor --> C    C & B & E  -- new core review\nrequests changes --> D[Awaiting changes]:::creator    D -- changes by contributor --> E[Awaiting change review]:::coredev    C & E & B -- new core review\napproves ---> F[Awaiting merge]:::coredev    G[When a review is dismissed\nthe highest remaining state is restored\nbased on the remaining reviews]classDef creator stroke:#CC0;classDef anyone stroke:#00C;classDef coredev stroke:#0C0;classDef triager stroke:#C0C;linkStyle 0,1,7 stroke:#CC0,color:auto;linkStyle 2,3 stroke:#00C,color:auto;linkStyle 4,5,6,8,9,10 stroke:#0C0,color:auto;

Since this bot is about identifying pull requests that need changes,it seemed fitting to name it after Sir Bedevere who knewhow to identify a witch.