Filemaker CSV reader

filemaker.py

import csv


class FilemakerCSVDictReader():
    """CSV reader to read Filemaker CSV exports as dicts.

    Applies a few transformations to all values:
    * Decodes as cp1252
    * Replaces vertical tabs with newlines
    * Splits fields containing the Group Separator control character into lists
    """

    def __init__(self, f, dialect=csv.excel, encoding='cp1252', **kw):
        self.reader = csv.DictReader(f, **kw)
        self.encoding = encoding

    def next(self):
        row = self.reader.next()
        for k, v in row.items():
            v = v.decode(self.encoding)
            v = v.replace('\x0b', '\n')  # vertical tab
            if u'\x1d' in v:  # group separator
                v = v.strip().split(u'\x1d')
            else:
                v = v.strip()
            row[k] = v
        return row

    def __iter__(self):
        return self