capybara/virtualenv/lib/python2.7/site-packages/pkg_resources/__init__.py
def _initialize_master_working_set():
    """
    Prepare the master working set and make the ``require()``
    API available.

    This function has explicit effects on the global state
    of pkg_resources. It is intended to be invoked once at
    the initialization of this module.

    Invocation by other packages is unsupported and done
    at their own risk.
    """
    working_set = WorkingSet._build_master()
    _declare_state('object', working_set=working_set)

    require = working_set.require
    iter_entry_points = working_set.iter_entry_points
    add_activation_listener = working_set.subscribe
    run_script = working_set.run_script
    # backward compatibility
    run_main = run_script
    # Activate all distributions already on sys.path, and ensure that
    # all distributions added to the working set in the future (e.g. by
    # calling ``require()``) will get activated as well.
    add_activation_listener(lambda dist: dist.activate())
    working_set.entries=[]
    # match order
    list(map(working_set.add_entry, sys.path))
    globals().update(locals())
def _initialize_master_working_set():
    """
    Prepare the master working set and make the ``require()``
    API available.

    This function has explicit effects on the global state
    of pkg_resources. It is intended to be invoked once at
    the initialization of this module.

    Invocation by other packages is unsupported and done
    at their own risk.
    """
    working_set = WorkingSet._build_master()
    _declare_state('object', working_set=working_set)

    require = working_set.require
    iter_entry_points = working_set.iter_entry_points
    add_activation_listener = working_set.subscribe
    run_script = working_set.run_script
    # backward compatibility
    run_main = run_script
    # Activate all distributions already on sys.path, and ensure that
    # all distributions added to the working set in the future (e.g. by
    # calling ``require()``) will get activated as well.
    add_activation_listener(lambda dist: dist.activate())
    working_set.entries=[]
    # match order
    list(map(working_set.add_entry, sys.path))
    globals().update(locals())
Prepare the master working set and make the ``require()``
    API available.

    This function has explicit effects on the global state
    of pkg_resources. It is intended to be invoked once at
    the initialization of this module.

    Invocation by other packages is unsupported and done
    at their own risk.