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

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Location: kallithea/rhodecode/lib/vcs/utils/imports.py

244f184f5fc3 781 B text/x-python Show Annotation Show as Raw Download as Raw

Marcin Kuzminski

moved around some code in changeset controllers to properly log which function was decorated.
Before it was always index, and permission were checked twice giving unnneded overhead

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