File: flatfile.py

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pglistener 4
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# Postgres Listener, writes out flatfiles when SQL NOTIFYs are triggered
# Copyright (C) 2005 Rob Bradford <rob@robster.org.uk>
# Copyright (C) 2007-8 Robert McQueen <robert.mcqueen@bluelinux.co.uk>
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

from pglistener import PgListener

class FlatFile(PgListener):
  def __init__(self,options):
    if(not options.has_key('delimiter')):
      options['delimiter']='\t'
    PgListener.__init__(self,options)

  def do_format(self,row):
    if self.options.has_key('format'):
      return self.options['format'].decode("string-escape").format(*row)
    else:
      return self.options['delimiter'].join(row) +"\n"