Coverage for python/lsst/daf/butler/formatters/jsonFormatter.py : 93%

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# This file is part of daf_butler. # # Developed for the LSST Data Management System. # This product includes software developed by the LSST Project # (http://www.lsst.org). # See the COPYRIGHT file at the top-level directory of this distribution # for details of code ownership. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Interface for reading and writing Python objects to and from JSON files. """
"""This formatter does not support any parameters"""
"""Read a file from the path in JSON format.
Parameters ---------- path : `str` Path to use to open JSON format file.
Returns ------- data : `object` Either data as Python object read from JSON file, or None if the file could not be opened. """ except FileNotFoundError: data = None
"""Write the in memory dataset to file on disk.
Will look for `_asdict()` method to aid JSON serialization, following the approach of the simplejson module.
Parameters ---------- inMemoryDataset : `object` Object to serialize. fileDescriptor : `FileDescriptor` Details of the file to be written.
Raises ------ Exception The file could not be written. """
"""Coerce the supplied inMemoryDataset to type `pytype`.
Parameters ---------- inMemoryDataset : `object` Object to coerce to expected type. storageClass : `StorageClass` StorageClass associated with `inMemoryDataset`. pytype : `type`, optional Override type to use for conversion.
Returns ------- inMemoryDataset : `object` Object of expected type `pytype`. """ |