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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2016-2017 European Synchrotron Radiation Facility
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ###########################################################################*/
"""Mock for silx.gui.hdf5 module"""
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "12/04/2017"
import numpy
try:
import h5py
except ImportError:
h5py = None
class Node(object):
def __init__(self, basename, parent, h5py_class):
self.basename = basename
self.h5py_class = h5py_class
self.attrs = {}
self.parent = parent
if parent is not None:
self.parent._add(self)
@property
def name(self):
if self.parent is None:
return self.basename
if self.parent.name == "":
return self.basename
return self.parent.name + "/" + self.basename
@property
def file(self):
if self.parent is None:
return self
return self.parent.file
class Group(Node):
"""Mock an h5py Group"""
def __init__(self, name, parent, h5py_class=h5py.Group):
super(Group, self).__init__(name, parent, h5py_class)
self.__items = {}
def _add(self, node):
self.__items[node.basename] = node
def __getitem__(self, key):
return self.__items[key]
def __iter__(self):
for k in self.__items:
yield k
def __len__(self):
return len(self.__items)
def get(self, name, getclass=False, getlink=False):
result = self.__items[name]
if getclass:
return result.h5py_class
return result
def create_dataset(self, name, data):
return Dataset(name, self, data)
def create_group(self, name):
return Group(name, self)
def create_NXentry(self, name):
group = Group(name, self)
group.attrs["NX_class"] = "NXentry"
return group
class File(Group):
"""Mock an h5py File"""
def __init__(self, filename):
super(File, self).__init__("", None, h5py.File)
self.filename = filename
class Dataset(Node):
"""Mock an h5py Dataset"""
def __init__(self, name, parent, value):
super(Dataset, self).__init__(name, parent, h5py.Dataset)
self.__value = value
self.shape = self.__value.shape
self.dtype = self.__value.dtype
self.size = self.__value.size
self.compression = None
self.compression_opts = None
def __getitem__(self, key):
if not isinstance(self.__value, numpy.ndarray):
if key == tuple():
return self.__value
elif key == Ellipsis:
return numpy.array(self.__value)
else:
raise ValueError("Bad key")
return self.__value[key]
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