# Copyright 2019-2022 The ASReview Authors. All Rights Reserved.
#
# 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.
__all__ = ["CSVWriter"]
[docs]
class CSVWriter:
"""CSV file writer."""
name = "csv"
label = "CSV (UTF-8)"
write_format = ".csv"
[docs]
@classmethod
def write_data(cls, df, fp, sep=",", labels=None, ranking=None):
"""Export dataset.
Arguments
---------
df: pandas.Dataframe
Dataframe of all available record data.
fp: str, NoneType
Filepath or None for buffer.
sep: str
Seperator of the file.
labels: list, numpy.ndarray
Current labels will be overwritten by these labels
(including unlabelled). No effect if labels is None.
ranking: list
Reorder the dataframe according to these (internal) indices.
Default ordering if ranking is None.
Returns
-------
CSV file
Dataframe of all available record data.
"""
return df.to_csv(fp, sep=sep, index=True)