msmoney2jsmoney.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# --- From: http://docs.python.org/library/csv.html
# --- BEGIN
import csv, codecs, cStringIO

class UTF8Recoder:
    """
    Iterator that reads an encoded stream and reencodes the input to UTF-8
    """
    def __init__(self, f, encoding):
        self.reader = codecs.getreader(encoding)(f)

    def __iter__(self):
        return self

    def next(self):
        return self.reader.next().encode("utf-8")

class UnicodeReader:
    """
    A CSV reader which will iterate over lines in the CSV file "f",
    which is encoded in the given encoding.
    """

    def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
        f = UTF8Recoder(f, encoding)
        self.reader = csv.reader(f, dialect=dialect, **kwds)

    def next(self):
        row = self.reader.next()
        return [unicode(s, "utf-8") for s in row]

    def __iter__(self):
        return self

class UnicodeWriter:
    """
    A CSV writer which will write rows to CSV file "f",
    which is encoded in the given encoding.
    """

    def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
        # Redirect output to a queue
        self.queue = cStringIO.StringIO()
        self.writer = csv.writer(self.queue, dialect=dialect, **kwds)
        self.stream = f
        self.encoder = codecs.getincrementalencoder(encoding)()

    def writerow(self, row):
        self.writer.writerow([s.encode("utf-8") for s in row])
        # Fetch UTF-8 output from the queue ...
        data = self.queue.getvalue()
        data = data.decode("utf-8")
        # ... and reencode it into the target encoding
        data = self.encoder.encode(data)
        # write to the target stream
        self.stream.write(data)
        # empty queue
        self.queue.truncate(0)

    def writerows(self, rows):
        for row in rows:
            self.writerow(row)
# --- END

import sys, getopt

def usage():
    print 'Usage: %s [--help] [--outputdir=/output/dir] inputfile' % sys.argv[0]
    print
    print '  --help       print this message.'
    print '  --outputdir  specify an output directory.'

def main():
    try:
        optlist, args = getopt.getopt(sys.argv[1:], 'hd:', longopts=['help', 'outputdir='])
    except getopt.GetoptError:
        usage()
        sys.exit(2)
    OUTPUT_DIR = '/tmp/'
    for opt, arg in optlist:
        if opt in ('-h', '--help'):
            usage()
            sys.exit()
        if opt in ('-d', '--outputdir'):
            if arg.endswith('/'):
                OUTPUT_DIR = arg
            else:
                OUTPUT_DIR = arg + '/'

    if len(args) < 1:
        print "filename not specified."
        usage()
        sys.exit(2)

    reader = UnicodeReader(file(args[0], 'rU'), encoding='cp932')

    # Ultrasoft MoneyLink emits:
    # [0] 番号
    # [1] 日付
    # [2] 資産
    # [3] 摘要
    # [4] 照合
    # [5] 金額
    # [6] 費目
    # [7] 内訳
    # [8] 備考
    data = {}
    for row in reader:
        account = row[2]
        if account == u'資産':
            continue
        if not account in data:
            data[account] = [
                ['Date','Payee','Category','Amount','Memo','Account']
                ]

        d = row[1].split('/')
        # date-format: MM/dd/yy
        # date = '%02d/%02d/%02d' % (int(d[1]), int(d[2]), int(d[0][-2:]))
        # date-format: yyyy/MM/dd
        date = '%04d/%02d/%02d' % (int(d[0]), int(d[1]), int(d[2]))
        payee = row[3]
        if not payee:
            payee = row[7]
        category = row[6]
        if category and row[7]:
            category = category + ':' + row[7]
        amount = row[5].replace(',', '')
        memo = row[8]
        data[account].append([
                date, payee, category, amount, memo, account
                ])
    for account in data.keys():
        filename = OUTPUT_DIR + account + '.csv'
        writer = UnicodeWriter(file(filename, 'w'), encoding='utf-8')
        writer.writerows(data[account])
        print filename+' created.'

if __name__ == "__main__":
    main()