view contrib/python-hook-examples.py @ 49654:86e398a3d598

ci: bump pytype to 2022.11.18

No particular reason, other than the current build is fairly old.  It flagged a
few more things (that weren't errors based on the logic around them), but OTOH,
some of the pyi stubs it generates are less specific.

'''
Examples of useful python hooks for Mercurial.
'''
from mercurial import (
    patch,
    util,
)


def diffstat(ui, repo, **kwargs):
    """Example usage:

    [hooks]
    commit.diffstat = python:/path/to/this/file.py:diffstat
    changegroup.diffstat = python:/path/to/this/file.py:diffstat
    """
    if kwargs.get('parent2'):
        return
    node = kwargs['node']
    first = repo[node].p1().node()
    if 'url' in kwargs:
        last = repo.changelog.tip()
    else:
        last = node
    diff = patch.diff(repo, first, last)
    ui.write(patch.diffstat(util.iterlines(diff)))