UnityのPlayerSettingsを編集する方法

EditPlayerSettings.py

#!/usr/bin/env python

import yaml, collections

def represent_odict(dumper, instance):
    return dumper.represent_mapping('tag:unity3d.com,2011:129', instance.items())

def construct_odict(loader, node):
    return collections.OrderedDict(loader.construct_pairs(node))

yaml.add_constructor('tag:unity3d.com,2011:129', construct_odict)
yaml.add_representer(collections.OrderedDict, represent_odict)

FileName = "ProjectSettings/ProjectSettings.asset"
data = None
with open(FileName, 'r') as f:
    data = yaml.load(f)

data['PlayerSettings']['targetDevice'] = 3

yaml.dump(data, FileName, default_flow_style=False)