updated node.py to use logging

from collections import defaultdict, MutableMapping

import itertools

import os

import warnings

import logging

from csmapi import csmapi

import numpy as np

from autocnet.vis.graph_view import plot_node

from autocnet.utils import utils

# set up the logging file

log = logging.getLogger(__name__)

class Node(dict, MutableMapping):

    """

    def project_keypoints(self):

        if self.camera is None:

            # Without a camera, it is not possible to project

            warnings.warn('Unable to project points, no camera available.')

            log.warning('Unable to project points, no camera available.')

            return False

        # Project the sift keypoints to the ground

        def func(row, args):

                   PATH to the directory for output and base file name

        """

        if self.keypoints.empty:

            warnings.warn('Node {} has not had features extracted.'.format(self['node_id']))

            log.warning('Node {} has not had features extracted.'.format(self['node_id']))

            return

        io_keypoints.to_npy(self.keypoints, self.descriptors,

        try:

            fp, cam_type = self.footprint

        except Exception as e:

            warnings.warn('Unable to generate image footprint.\n{}'.format(e))

           log.warning('Unable to generate image footprint.\n{}'.format(e))

            fp = cam_type = None

        # Create the image

        i = Images(name=self['image_name'],

            with open(isdpath, 'w') as f:

                json.dump(response, f)

        except Exception as e:

            warnings.warn('Failed to write JSON ISD for image {}.\n{}'.format(self['image_path'], e))

           log.warning('Failed to write JSON ISD for image {}.\n{}'.format(self['image_path'], e))

        isd = csmapi.Isd(self['image_path'])

        plugin = csmapi.Plugin.findPlugin('UsgsAstroPluginCSM')

        self._camera = plugin.constructModelFromISD(isd, model_name)