Django HTML File and python Object

Question

here is the output from $python manage.py shell

>>> a=Mocument.objects.all()
>>> a
[<Mocument: abc.xlsx>, <Mocument: 1.csv>, <Mocument: ok.csv>, <Mocument: 11.csv>, <Mocument: 12.csv>]
>>> a[0]
<Mocument: abc.xlsx>
>>> for i in a:
...     print i
...

here is the output

abc.xlsx
1.csv
ok.csv
11.csv
12.csv

till here all great. problem starts when i try to retrieve data in HTML template. here is my html file code

<html>
    <head>
        <meta charset="utf-8">
        <title>Minimal Django File Upload Example</title>   
    </head>

    <body>
        <!-- List of uploaded documents -->
        {% a=Mocument.objects.all() %}      
        {% for i in a %}
            <p>{% print i %}</p>    
        {% endfor %}

    </body>         
</html>

here is the Error details

Error:-------------------- Exception Value: Invalid block tag: 'a=Mocument.objects.all()'

please help.

You cannot assign variables in the template like that. Define "a" in the template context in a view. — stormlifter
– stormlifter, Commented Sep 23, 2013 at 0:27

jproffitt · Accepted Answer · 2013-09-23 00:27:24Z

2

You are not writing valid django template code. You cannot use any python code in templates. You have to use specific django tags and filters. Have a read here: https://docs.djangoproject.com/en/1.5/topics/templates/

I your case, you should do this:

{% for i in mocument_objects %}
    <p>{{ i }}</p>    
{% endfor %}

You would need to pass monument_objects into your template context from the view.

answered Sep 23, 2013 at 0:27

jproffitt

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4 Comments

ashir nasir Over a year ago

you right, i did the same as it is in this post stackoverflow.com/questions/5871730/…. its doing everything except its not printing the file names. even the BULLETS are printed but filename is missing/blank

jproffitt Over a year ago

Did you override the __unicode__ method on the Mocument model?

ashir nasir Over a year ago

there are two class in model.py and i have added def __unicode__(self): return self.mocfile . is it ok?

juliomalegria Over a year ago

@ashirnasir maybe you are using {% print i %} instead of {{ i }}. That's probably why you are not getting the filenames. I suggest you read the django docs about The Django template language.

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