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

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fc63a1d93803 781 B text/x-python Show Annotation Show as Raw Download as Raw

Marcin Kuzminski

Switched order of actions when doing repo rescan.

doing invalidation after repository scan is not optimal.
In case of big repository we first create an instance then invalidate
cache that we don't actually need. Reversing this order prevents that

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