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83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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TableWriter.py
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---------------------
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Date : September 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'September 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import csv
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import codecs
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import cStringIO
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class TableWriter:
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def __init__(self, fileName, encoding, fields):
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self.fileName = fileName
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if not self.fileName.lower().endswith('csv'):
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self.fileName += '.csv'
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self.encoding = encoding
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if self.encoding is None or encoding == 'System':
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self.encoding = 'utf-8'
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with open(self.fileName, 'wb') as csvFile:
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self.writer = UnicodeWriter(csvFile, encoding=self.encoding)
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if len(fields) != 0:
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self.writer.writerow(fields)
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def addRecord(self, values):
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with open(self.fileName, 'ab') as csvFile:
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self.writer = UnicodeWriter(csvFile, encoding=self.encoding)
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self.writer.writerow(values)
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def addRecords(self, records):
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with open(self.fileName, 'ab') as csvFile:
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self.writer = UnicodeWriter(csvFile, encoding=self.encoding)
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self.writer.writerows(records)
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class UnicodeWriter:
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def __init__(self, f, dialect=csv.excel, encoding='utf-8', **kwds):
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self.queue = cStringIO.StringIO()
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self.writer = csv.writer(self.queue, dialect=dialect, **kwds)
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self.stream = f
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self.encoder = codecs.getincrementalencoder(encoding)()
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def writerow(self, row):
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row = map(unicode, row)
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try:
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self.writer.writerow([s.encode('utf-8') for s in row])
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except:
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self.writer.writerow(row)
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data = self.queue.getvalue()
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data = data.decode('utf-8')
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data = self.encoder.encode(data)
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self.stream.write(data)
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self.queue.truncate(0)
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def writerows(self, rows):
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for row in rows:
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self.writerow(row)
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