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Filename : util.py

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"""Utility code for constructing importers, etc."""

from ._bootstrap import module_for_loader
from ._bootstrap import set_loader
from ._bootstrap import set_package
from ._bootstrap import _resolve_name


def resolve_name(name, package):
    """Resolve a relative module name to an absolute one."""
    if not name.startswith('.'):
        return name
    elif not package:
        raise ValueError('{!r} is not a relative name '
                         '(no leading dot)'.format(name))
    level = 0
    for character in name:
        if character != '.':
            break
        level += 1
    return _resolve_name(name[level:], package, level)