comparison mercurial/bundle2.py @ 20890:ec7fc110faee

bundle2: introduce a `parthandler` decorator

Simple syntax sugar to register an handler for a new part type.

20889:deed5edb72de

    The number parameters is variable so we need to build that format
    dynamically.
    """
    return '>'+('BB'*nbparams)


parthandlermapping = {}

def processbundle(repo, stream):
    """This function process a bundle, apply effect to/from a repo

    Currently it:

20890:ec7fc110faee

    The number parameters is variable so we need to build that format
    dynamically.
    """
    return '>'+('BB'*nbparams)

parthandlermapping = {}

def parthandler(parttype):
    """decorator that register a function as a bundle2 part handler

    eg::

        @parthandler('myparttype')
        def myparttypehandler(...):
            '''process a part of type "my part".'''
            ...
    """
    def _decorator(func):
        assert parttype not in parthandlermapping
        parthandlermapping[parttype] = func
        return func
    return _decorator

def processbundle(repo, stream):
    """This function process a bundle, apply effect to/from a repo

    Currently it: