【Python】Python XML 读写

class ACTIVE_FILE_PROTECT_RULE_VIEW(APIView):

    renderer_classes = (JSONRenderer, BrowsableAPIRenderer)
    parser_classes = (JSONParser,)

    def post(self, request):
        from datetime import datetime
        from django.utils import timezone
        from django.utils.timezone import utc
        import time

        import xml.etree.ElementTree as ET
        from xml.etree.ElementTree import ElementTree,Element
        root = ET.fromstring(RULE_XML_TPL)
        fileprotect = root.find('fileprotect')
        # print fileprotect.tag, fileprotect.attrib

        user_info = request.session.get('user_info')
        customer_id = user_info.get('customer_id')

        body_data = request.body
        request_data = json.loads(body_data)
        device_hash = request_data['device_hash']

        with transaction.atomic():
            device = models.FILE_PROTECT_INSTANCE.objects.get(device_hash=device_hash)
            assert(device.customer_id == customer_id)

            rule_list = models.FILE_PROTECT_RULE_UPDATE.objects.filter(device_hash=device_hash)
            for rule in rule_list:
                tmp_rule = Element('rule', {
                    'id': str(rule.id),
                    'enabled': 'true' if rule.enable else 'false',
                    'status': 'true' if rule.apply_status else 'false',
                    'log': rule.log,
                    'opertion': ','.join(json.loads(rule.operation)),
                    'recover': 'true' if rule.recover else 'false',
                    'protectdir': rule.protectdir,
                    'action': 'allow' if rule.action else 'deny',
                    'protectfiletype': ','.join(json.loads(rule.file_type_list)),
                    'comment': rule.commont
                })
                rule.apply_status =
                rule.save()

                fileprotect.append(tmp_rule)
            # ET.dump(root)
            tmp_xml = ET.tostring(root, encoding="utf-8", method="xml")
            rule_xml = '<?xml version="1.0" encoding="utf-8"?>\n' + tmp_xml

            tmp_commit_rule_list = models.FILE_PROTECT_RULE_COMMIT.objects.filter(device_hash=device_hash).filter(customer_id=customer_id)
            # 首次入库
            if(len(tmp_commit_rule_list) == ):
                tmp_commit_rule = models.FILE_PROTECT_RULE_COMMIT(customer_id=customer_id, device_hash=device_hash, rule_xml_text=rule_xml)
                tmp_commit_rule.save()
            # 后续修改xml内容和版本号（时间戳）
            else:
                tmp_commit_rule = models.FILE_PROTECT_RULE_COMMIT.objects.get(device_hash=device_hash)
                if(tmp_commit_rule.rule_xml_text == rule_xml):
                    pass
                else:
                    tmp_commit_rule.rule_xml_text = rule_xml
                    tmp_commit_rule.version = timezone.now()
                    tmp_commit_rule.save()

            from django.forms.models import model_to_dict
            version = tmp_commit_rule.version
            tmp_commit_rule = model_to_dict(tmp_commit_rule)

            '''from datetime import datetime
            from django.utils import timezone
            from django.utils.timezone import utc
            import time'''
            #time.mktime(timezone.now().timetuple())
            version = time.mktime(version.timetuple())
            tmp_commit_rule['version'] = version

        return APIResponse(status=status_code.success, data=tmp_commit_rule)

参考资料：

XML读写

推荐：http://blog.csdn.net/gingerredjade/article/details/21944675

http://bbs.csdn.net/topics/350027413

http://bbs.csdn.net/topics/390194606

http://python.jobbole.com/82775/

http://www.jb51.net/article/67190.htm

http://blog.csdn.net/shomy_liu/article/details/37929181

http://www.python tab.com/html/2013/pythonjichu_0618/451.html

http://blog.csdn.net/xibuzhihun/article/details/6950142

http://www.cnblogs.com/CheeseZH/p/4026686.html

http://www.jb51.net/article/17687.htm

http://blog.csdn.net/kiki113/article/details/4052584

http://www.jb51.net/article/67120.htm

Django UTC时间问题

解决Python自带的json序列化工具不能序列化datetime类型数据问题：http://www.au92.com/archives/resove-python-can-not-serialize-datetime.html

http://smilejay.com/2014/06/django-datetimefield-timezone-issue/

三元表达式：

http://blog.csdn.net/lanyuanershe/article/details/8083425

JOIN LIST：http://www.jb51.net/article/63598.htm