Synnefo

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ESCAPE_CHAR = '@'

class DBWorker(object):

    """Database connection handler."""

    def __init__(self, **params):

        self.params = params

        wrapper = params['wrapper']

        self.wrapper = wrapper

        self.conn = wrapper.conn

        self.engine = wrapper.engine

    def escape_like(self, s, escape_char=ESCAPE_CHAR):

        return (s.replace(escape_char, escape_char * 2).

                replace('%', escape_char + '%').

                replace('_', escape_char + '_'))