debian-python-pyexcel-io/pyexcel_io/writer.py

50 lines
1.6 KiB
Python

from pyexcel_io.plugins import NEW_WRITERS
from pyexcel_io._compact import isstream
from .constants import MESSAGE_ERROR_03
class Writer(object):
def __init__(self, file_type, library=None):
self.file_type = file_type
self.library = library
self.keyboards = None
def open(self, file_name, **keywords):
writer_class = NEW_WRITERS.get_a_plugin(
self.file_type, library=self.library, location="file"
)
self.writer = writer_class(file_name, **keywords)
def open_content(self, file_stream, **keywords):
if not isstream(file_stream):
raise IOError(MESSAGE_ERROR_03)
writer_class = NEW_WRITERS.get_a_plugin(
self.file_type, library=self.library, location="content"
)
self.writer = writer_class(file_stream, **keywords)
def open_stream(self, file_stream, **keywords):
writer_class = NEW_WRITERS.get_a_plugin(
self.file_type, library=self.library, location="memory"
)
self.writer = writer_class(file_stream, **keywords)
def write(self, incoming_dict):
for sheet_name in incoming_dict:
sheet_writer = self.writer.create_sheet(sheet_name)
if sheet_writer:
sheet_writer.write_array(incoming_dict[sheet_name])
sheet_writer.close()
else:
raise Exception("Cannot create a sheet writer!")
def close(self):
self.writer.close()
def __enter__(self):
return self
def __exit__(self, a_type, value, traceback):
self.close()