comparison mercurial/__init__.py @ 32425:397e3a2e9347

python3: allow hgloader to work with lazy loaders

Don't clobber the loader returned from find_spec.

This brings `hg version` down from 0.27 seconds to 0.17.

32424:b4810bf95c03

            if not spec:
                return None

            # TODO need to support loaders from alternate specs, like zip
            # loaders.
            spec.loader = hgloader(spec.name, spec.origin)
            return spec

    def replacetokens(tokens, fullname):
        """Transform a stream of tokens from raw to Python 3.

32425:397e3a2e9347

            if not spec:
                return None

            # TODO need to support loaders from alternate specs, like zip
            # loaders.
            loader = hgloader(spec.name, spec.origin)
            # Can't use util.safehasattr here because that would require
            # importing util, and we're in import code.
            if hasattr(spec.loader, 'loader'): # hasattr-py3-only
                # This is a nested loader (maybe a lazy loader?)
                spec.loader.loader = loader
            else:
                spec.loader = loader
            return spec

    def replacetokens(tokens, fullname):
        """Transform a stream of tokens from raw to Python 3.