Source code for plugin_gz_exporter

# Copyright (c) 2015, 2017 System Engineering Software Society
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from __future__ import (print_function, division, unicode_literals,
                        absolute_import)
import os
import gzip
from sylib.export import datasource as exportdatasource


class DataExtractGz(exportdatasource.DatasourceArchiveBase):
    """Extractor for GZIP files."""

    EXPORTER_NAME = "GZIP Extractor"
    FILENAME_EXTENSION = None

    @staticmethod
    def hide_filename():
        return True

    def export_data(self, in_datasource, filename, progress=None):
        gz_file = in_datasource.decode_path()
        with gzip.open(gz_file, 'rb') as f:
            content = f.read()
        with open(filename, 'wb') as f:
            f.write(content)
        return [filename]

    def create_filenames(self, input_list, filename, *args):
        return [os.path.splitext(os.path.basename(path.decode_path()))[0]
                for path in input_list]