Saturday, January 18, 2014

Re: JSON serialization


On 18 Jan 2014 08:32, "Mario Gudelj" <mario.gudelj@gmail.com> wrote:
>
> In your template try {{usb_data|safe}}

.......because django escapes everything in the template by default except you ask not to. One of the methods of doing so if by using the `safe` filter like Mario suggested.
You can read the documentation on how to escape or unescape stuff in your template.

>
> On 18/01/2014 4:53 pm, "Igor Korot" <ikorot01@gmail.com> wrote:
>>
>> Hi, ALL,
>> I'd like someone to help me understand this situation.
>> Looking at the page: https://docs.djangoproject.com/en/dev/topics/serialization/ the part which says "Serialization formats->JSON" there is an example of how the data would be serialized.
>> The sample uses the symbol "double quotation".
>>  
>> On my machine I have django 1.6.1:
>>  
>> C:\Documents and Settings\Igor.FORDANWORK>python
>> Python 2.7.5 (default, May 15 2013, 22:43:36) [MSC v.1500 32 bit (Intel)] on win32
>> Type "help", "copyright", "credits" or "license" for more information. 
>> >>> import django
>> >>> django.get_version()
>> '1.6.1'
>> >>>
>>  
>> In my views.py I'm using following code:
>>  
>> usb_list = serializers.serialize("json", USB.objects.all())
>> return render_to_response('html/index.html', {"usb_data": usb_list} )
>>  
>> where USB is the data model class.
>> This class overrides a __unicode__() function to produce a good output on the console.
>>  
>> Now when I go to the page to see it in the browser I see the data as a JSON but the data is surrounded with a text "&quot;".
>>  
>> So in the docs I see something like this: "abc", while my application will show: &quot;abc&quot;
>>  
>> In the index.html I have this code:
>>  
>> <!DOCTYPE html>
>> <html>
>> <head>
>> <title>Test</title>
>> {% load staticfiles %}
>> <script type="text/javascript">
>>     var data = "{{usb_data}}";
>> # some more JavaScript code
>> </script>
>> <html>
>> </html>
>>  
>> Is this a recent change? Am I doing something wrong?
>> Thank you.
>>  
>>
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