# ===============================================================================
# Copyright 2011 Jake Ross
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ===============================================================================

# ============= enthought library imports =======================

# ============= standard library imports ========================
from pychron.core.xml.xml_parser import XMLParser
# ============= local library imports  ==========================


def get_volume(elem, tag='volume', default=0):
    """
        get volume tag from xml
    """
    vol = elem.find(tag)
    if vol is not None:
        vol = float(vol.text.strip())
    else:
        vol = default
    return vol


class CanvasParser(XMLParser):
    """
    """
    pass


# ============= EOF ====================================
