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

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

cff9d4e1d821 781 B text/x-python Show Annotation Show as Raw Download as Raw

Marcin Kuzminski

Fixed issue when node didn't exists at 'tip' and we tried calculate history based on that assumption.
Now fallback to the changeset the node exists in for history calculation

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