# Path: oppy/path/util.py
# def nodeUsableWithOther(desc1, status_entry1, desc2, status_entry2):
# def selectWeightedNode(weighted_nodes):
# def getWeightedNodes(nodes, weights):
# def getPositionWeights(nodes, cons_rel_stats, position, bw_weights,
#                        bwweightscale):
# def getBwweight(flags, position, bw_weights):
# def inSameFamily(desc1, status_entry1, desc2, status_entry2):
# def inSame16Subnet(status_entry1, status_entry2):
# 
# Path: oppy/path/exceptions.py
# class NoUsableGuardsException(Exception):
#     pass
# 
# class PathSelectionFailedException(Exception):
#     pass


import random
from collections import namedtuple
from twisted.internet import defer
from stem import Flag
from oppy.path import util as path_util
from oppy.path.exceptions import (
    NoUsableGuardsException,
    PathSelectionFailedException,
)
    cons_rel_stats = consensus.routers
    cons_bw_weights = consensus.bandwidth_weights
    port = exit_request.port if exit_request else None
    cons_bwweightscale = DEFAULT_BWWEIGHTSCALE

    try:
        exit_fprint = selectExitNode(cons_bw_weights, cons_bwweightscale,
                                     cons_rel_stats, descriptors, fast, stable,
                                     internal, port)
        exit_status_entry = consensus.routers[exit_fprint]
        exit_desc = descriptors[exit_status_entry.digest]

        guard_fprint = selectGuardNode(cons_rel_stats, descriptors, guards,
                                       fast, stable, exit_desc,
                                       exit_status_entry)
        guard_status_entry = consensus.routers[guard_fprint]
        guard_desc = descriptors[guard_status_entry.digest]

        middle_fprint = selectMiddleNode(cons_bw_weights, cons_bwweightscale,
                                         cons_rel_stats, descriptors, fast,
                                         stable, exit_desc, exit_status_entry,
                                         guard_desc, guard_status_entry)
        middle_status_entry = consensus.routers[middle_fprint]
        middle_desc = descriptors[middle_status_entry.digest]

        path = Path(PathNode(guard_desc, guard_status_entry),
                    PathNode(middle_desc, middle_status_entry),
                    PathNode(exit_desc, exit_status_entry))
        defer.returnValue(path)
    except ValueError as e:

# Path: oppy/path/util.py
# def nodeUsableWithOther(desc1, status_entry1, desc2, status_entry2):
# def selectWeightedNode(weighted_nodes):
# def getWeightedNodes(nodes, weights):
# def getPositionWeights(nodes, cons_rel_stats, position, bw_weights,
#                        bwweightscale):
# def getBwweight(flags, position, bw_weights):
# def inSameFamily(desc1, status_entry1, desc2, status_entry2):
# def inSame16Subnet(status_entry1, status_entry2):
# 
# Path: oppy/path/exceptions.py
# class NoUsableGuardsException(Exception):
#     pass
# 
# class PathSelectionFailedException(Exception):
#     pass


# Path: oppy/path/path.py
import random
from collections import namedtuple
from twisted.internet import defer
from stem import Flag
from oppy.path import util as path_util
from oppy.path.exceptions import (
    NoUsableGuardsException,
    PathSelectionFailedException,
)

    cons_rel_stats = consensus.routers
    cons_bw_weights = consensus.bandwidth_weights
    port = exit_request.port if exit_request else None
    cons_bwweightscale = DEFAULT_BWWEIGHTSCALE

    try:
        exit_fprint = selectExitNode(cons_bw_weights, cons_bwweightscale,
                                     cons_rel_stats, descriptors, fast, stable,
                                     internal, port)
        exit_status_entry = consensus.routers[exit_fprint]
        exit_desc = descriptors[exit_status_entry.digest]

        guard_fprint = selectGuardNode(cons_rel_stats, descriptors, guards,
                                       fast, stable, exit_desc,
                                       exit_status_entry)
        guard_status_entry = consensus.routers[guard_fprint]
        guard_desc = descriptors[guard_status_entry.digest]

        middle_fprint = selectMiddleNode(cons_bw_weights, cons_bwweightscale,
                                         cons_rel_stats, descriptors, fast,
                                         stable, exit_desc, exit_status_entry,
                                         guard_desc, guard_status_entry)
        middle_status_entry = consensus.routers[middle_fprint]
        middle_desc = descriptors[middle_status_entry.digest]

        path = Path(PathNode(guard_desc, guard_status_entry),
                    PathNode(middle_desc, middle_status_entry),
                    PathNode(exit_desc, exit_status_entry))
        defer.returnValue(path)
    except ValueError as e:

        raise PathSelectionFailedException("Unable to select a valid path. "