debian-python-pyexcel-io/pyexcel_io/writers/csvz_writer.py

36 lines
1.1 KiB
Python

import zipfile
from pyexcel_io import constants
from pyexcel_io.plugin_api import IWriter
from pyexcel_io.writers.csvz_sheet import CSVZipSheetWriter
class CsvZipWriter(IWriter):
"""
csvz writer
It is better to store csv files as a csvz as it saves your disk space.
Pyexcel-io had the facility to unzip it for you or you could use
any other unzip software.
"""
def __init__(self, file_name, file_type, **keywords):
self._file_type = file_type
self.zipfile = zipfile.ZipFile(file_name, "w", zipfile.ZIP_DEFLATED)
self._keywords = keywords
if file_type == constants.FILE_FORMAT_TSVZ:
self._keywords["dialect"] = constants.KEYWORD_TSV_DIALECT
def create_sheet(self, name):
given_name = name
if given_name is None:
given_name = constants.DEFAULT_SHEET_NAME
writer = CSVZipSheetWriter(
self.zipfile, given_name, self._file_type[:3], **self._keywords
)
return writer
def close(self):
if self.zipfile:
self.zipfile.close()