kallithea Files · rhodecode/lib/vcs/utils/imports.py

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Mads Kiilerich

pullrequest: pullrequest from changelog view

It seems like it didn't work ... perhaps because I broke it. But now we clean
it up and make it work:

Use rev_end as the revision to merge. We don't know where to merge ... but
start_rev cannot be used for that.

This might to some extent have been working before ... but we prefer to clean
it up and start over again when the normal merge workflow is fully working.

from rhodecode.lib.vcs.exceptions import VCSError


def import_class(class_path):
    """
    Returns class from the given path.

    For example, in order to get class located at
    ``vcs.backends.hg.MercurialRepository``:

        try:
            hgrepo = import_class('vcs.backends.hg.MercurialRepository')
        except VCSError:
            # hadle error
    """
    splitted = class_path.split('.')
    mod_path = '.'.join(splitted[:-1])
    class_name = splitted[-1]
    try:
        class_mod = __import__(mod_path, {}, {}, [class_name])
    except ImportError, err:
        msg = "There was problem while trying to import backend class. "\
            "Original error was:\n%s" % err
        raise VCSError(msg)
    cls = getattr(class_mod, class_name)

    return cls