#!/usr/bin/env python

from __future__ import absolute_import

from .canmatrix import *
import codecs
import yaml
from yaml.representer import SafeRepresenter
from builtins import *
import copy
#Copyright (c) 2013, Eduard Broecker
#All rights reserved.
#
#Redistribution and use in source and binary forms, with or without modification, are permitted provided that
# the following conditions are met:
#
#    Redistributions of source code must retain the above copyright notice, this list of conditions and the
#    following disclaimer.
#    Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
#    following disclaimer in the documentation and/or other materials provided with the distribution.
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
#WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
#PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
#DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
#DAMAGE.

#
# this script exports yaml-files from a canmatrix-object
# yaml-files are just object-dumps human readable.
# This export is complete, no information lost

try:
   yaml.add_representer(int, SafeRepresenter.represent_int)
   yaml.add_representer(long, SafeRepresenter.represent_long)
   yaml.add_representer(unicode, SafeRepresenter.represent_unicode)
   yaml.add_representer(str, SafeRepresenter.represent_unicode)
   yaml.add_representer(list, SafeRepresenter.represent_list)
except:
   pass
   # some error with representers ... continue anyway

def exportYaml(db, filename, **options):

    newdb = copy.deepcopy(db)

    for i,frame in enumerate(newdb._fl._list):
        for j,signal in enumerate(frame._signals):
            if signal._is_little_endian == False:
                signal._startbit = signal.getStartbit(bitNumbering = 1, startLittle = True)
                newdb._fl._list[i]._signals[j]._startbit = signal._startbit

    f = open(filename,"w")
    f.write(unicode(yaml.dump(newdb)))

@@ -1668,16 +1668,36 @@
 on lost%0A
+representers = False
 %0Atry:%0A  
@@ -2025,12 +2025,27 @@
 %0A   
-pass
+representers = True
 %0A   
@@ -2513,16 +2513,39 @@
 me,%22w%22)%0A
+    if representers:%0A  
     f.wr
@@ -2575,8 +2575,50 @@
 ewdb)))%0A
+    else:%0A      f.write(yaml.dump(newdb))%0A

Update exportyaml.py