'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2009 Frank Niessink <frank@niessink.com>
Task Coach 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.
Task Coach 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/>.
'''
import generator, csv, cStringIO
class UnicodeCSVWriter:
''' A CSV writer that writes rows to a CSV file encoded in utf-8.
Based on http://docs.python.org/lib/csv-examples.html.
'''
def __init__(self, fd, *args, **kwargs):
# Redirect output to a queue
self.queue = cStringIO.StringIO()
self.writer = csv.writer(self.queue, *args, **kwargs)
self.fd = fd
def writerow(self, row):
self.writer.writerow([cell.encode('utf-8') for cell in row])
# Fetch UTF-8 output from the queue
data = self.queue.getvalue()
data = data.decode('utf-8')
self.fd.write(data)
self.queue.truncate(0)
def writerows(self, rows):
for row in rows:
self.writerow(row)
class CSVWriter(object):
def __init__(self, fd, filename=None):
self.__fd = fd
def write(self, viewer, settings, selectionOnly=False): # pylint: disable-msg=W0613
csvRows = generator.viewer2csv(viewer, selectionOnly)
UnicodeCSVWriter(self.__fd).writerows(csvRows)
return len(csvRows) - 1 # Don't count header row
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