Develop Reference

Iterating over a list from an object in Django template

I am trying to iterate over a list that is below an object in a Django template.
Unfortunately I am not getting anywhere.
This is the object:
{'Value1': [8, 5, 4, 7, 4, 5], 'Value2': [], 'Value3': []}
I am doing in the template something like:
{% for entry in data %}
<tr>
<td>{{ entry }}</td>
<td>{{ entry.0 }}</td>
</tr>
{% endfor %}
or
{% for entry in data %}
<tr>
<td>{{ entry }}</td>
{% for i in entry %}
<td>{{ i }}</td>
{% endfor %}
</tr>
{% endfor %}
But all I am getting is just the first letter of the key.

You have to look for both - keys and values in dict's items:
{% for key, value_list in data.items %}
<tr>
<td>{{ entry }}</td>
{% for value in value_list %}
<td>{{ value }}</td>
{% endfor %}
</tr>
{% endfor %}

Did you try iterating over the items in your dict, like so?
{% for key, value in data.items %}

Creating multiple annotations using a for loop

Here is my code:
phones = Customer.objects.filter(active=True).values('name')\
.annotate(count = Count('phone',filter=Q(phone__model__icontains=model_list[0]))
.annotate(count1 = Count('phone',filter=Q(phone__model__icontains=model_list[1]))
.annotate(count2 = Count('phone',filter=Q(phone__model__icontains=model_list[2]))
.annotate(count3 = Count('phone',filter=Q(phone__model__icontains=model_list[3]))
.annotate(count4 = Count('phone',filter=Q(phone__model__icontains=model_list[4]))
........
html
{% if phones %}
{% for phone in phones %}
<tr>
<td>{{ phone.name }}</td>
<td>{{ phone.count }}</td>
<td>{{ phone.count1 }}</td>
<td>{{ phone.count2 }}</td>
<td>{{ phone.count3 }}</td>
<td>{{ phone.count4 }}</td>
</tr>
{% endfor %}
{% enfif %}
My model_list still has many models. What should I do to simplify these using for loop?
If my model_list has 100 models, this will be very complicated.
I've tried this:
for i in range(len(model_list)):
phone= Customer.objects.filter(active=True).values('name')\
.annotate(count = Count('phone',filter=Q(phone__model__icontains=model_list[i]))
html
{% if phones %}
{% for phone in phones %}
<tr>
<td>{{ phone.name }}</td>
<td>{{ phone.count }}</td>
</tr>
{% endfor %}
{% endif %}
But the result is not what I want, because I only get one of the data.
For example :model_list[0]

Do like this to query for counts:
phones = Customer.objects.filter(active=True).values('name')
for idx, model in enumerate(model_list):
counts = {'count%s' % idx : Count('phone',filter=Q(phone__model__icontains=model)}
phones = phones.annotate(**counts)
Then you would need to pass a range of models to the template (say in models_idx_range as context parameter models_idx_range=range(models_count)) and iterate over counts:
{% if phones %}
{% for phone in phones %}
<tr>
<td>{{ phone.name }}</td>
{% for idx in models_idx_range %}
<td>{{ getattr(phone, 'count%s' % idx) }}</td>
</tr>
{% endfor %}
{% endif %}

I'm not a django expert but i think this is your error:
phone = Customer.objects.filter(active=True).values('name')
for i in range(len(model_list)):
phone= phone.annotate(count = Count('phone',filter=Q(phone__model__icontains=model_list[i]))
You always override your phone with the last value from the for-loop

Try this one
phones = Customer.objects.filter(active=True).values('name')\
.annotate(count = Count('phone',filter=Q(phone__model__icontains=[i for i in model_list]))

Building a html table in jinja form dict of list

I have a long dictionary of data which looks like this,
('Item', 8): Components_data(base_quantity=63.0, items_data={'830927': [1.0, 14.851799999999999], '831103': [0.37170000000000003, 0.6972720300000002]}, price_labor=374.21824212, total=389.76731415)}
The key is a tuple and my values are in a namedtuple, with 3 integers and 1 dictionary where keys are strings and values are integers.
I want to use those values to build an Html table dynamically using jinja:
the result I want need to look like this:
Where the rows of components, Qty and Price unit are generated automatically according to the values of items_data in Componnents_data field.
here is what I have tried so far with jinja :
<table class="table table-bordered">
<thead>
<tr>
<th>Level</th>
<th>Item</th>
<th>Component</th>
<th>Qty</th>
<th>Price Unit</th>
<th>Price Total</th>
<th>Total</th>
</tr>
</thead>
<tbody>
{% for item, components_data in prices.items() %}
<tr>
<td rowspan="3">{{item[1]}}</td>
<td rowspan="3">{{item[0]}}</td>
</tr>
{% for sub_components, sub_comp_dat in components_data.items_data.items()%}
<td>{{sub_components}}</td>
<td>{{ sub_comp_dat[0] }}</td>
<td>{{ sub_comp_dat[1] }}</td>
<td>{{ components_data.price_labor }}</td>
<td>{{ components_data.total }}</td>
</tr>
{% endfor %} {% endfor %}
<tr>
<td colspan="3" id='total-label'>Total</td>
<td colspan="4" id='total-value' text-align='right'>july</td>
</tr>
</tbody>
</table>
And the results looks like this :
I have tried every tip I know but cannot get the expected results, Any Help is welcome.
Thanks

I do not know the jinja syntax, but you can easily achieve your purpose storing a boolean value to check if the total has been already written.
e.g.:
{% for item, components_data in prices.items() %}
<tr>
<td rowspan="3">{{item[1]}}</td>
<td rowspan="3">{{item[0]}}</td>
</tr>
//set the flag to false
isFirstTime = false
{% for sub_components, sub_comp_dat in components_data.items_data.items()%}
<td>{{sub_components}}</td>
<td>{{ sub_comp_dat[0] }}</td>
<td>{{ sub_comp_dat[1] }}</td>
//show the price only the first time
if( isFortTime)
{
isFistTime = true;
<td rowspan="3">{{ components_data.price_labor }}</td>
<td rowspan="3">{{ components_data.total }}</td>
}
</tr>
{% endfor %}
{% endfor %}
Again this is not the correct syntax but you can achieve this with no problem.
Documentation:
Assign a variable in the template
If Statement

Thanks again #Alessandro.Vegna answer for the intuition of using if else statement.
It can be achieved according to this answer by using namespaces: in jinja 2.0
here is the answer :
<tbody>
{% for item, components_data in prices.items() %}
<tr>
<td rowspan="3">{{item[1]}}</td>
<td rowspan="3">{{item[0]}}</td>
</tr>
{% set time = namespace(first=False) %}
{% for sub_components, sub_comp_dat in components_data.items_data.items() %}
<tr>
<td>{{sub_components}}</td>
<td>{{ sub_comp_dat[0] }}</td>
<td>{{ sub_comp_dat[1] }}</td>
{% if not time.first %}
{% set time.first = True %}
<td rowspan="3">{{ components_data.price_labor }}</td>
<td rowspan="3">{{ components_data.total }}</td>
{% endif %}
</tr>
{% endfor %} {% endfor %}
<tr>
<td colspan="3" id='total-label'>Total</td>
<td colspan="4" id='total-value' text-align='right'>july</td>
</tr>
</tbody>

How to go through two loops in django templates

Can anyone tell me what am I doing wrong in this code:
{% for dayName in data %}
<tr>
<td>{{ dayName }}</td>
{% for value in data.dayName %}
<td>{{ value }}</td>
{% endfor %}
</tr>
{% endfor %}
data is an object containing arrays, for an instance:
data['Sunday'] = [1 ,2 ,3]
And all what I want to do is create two loops through that object.
I will be thankful for each form of help,
Thanks in advance

dayName is a variable not the key itself. data.dayName is interpreted as data['dayName'], that's why you're not getting the right results.
Instead, you can do:
{% for dayName, vals in data.items %}
<tr>
<td>{{ dayName }}</td>
{% for value in vals %}
<td>{{ value }}</td>
{% endfor %}
</tr>
{% endfor %}

Jinja if statments

Hopefully someone can help me here..
Lets say I have column a, this column 'a' can have rows of all values. I need to get jinja to look at the data of this row and if it's below a specific value, to change the html (Lets not worry about that)
The below works fine. Both rows of data display as needed.
<table>
{% for row in data %}
<tr>
<td>{{ row['a'] }}</td>
<td>{{ row['b'] }}</td>
</tr>
{% endfor %}
</table>
How can I say for example:
for value in row a, if it's less than 50, do this, else, do this.
UPDATE: Can anyone see an issues with the following?
<table>
{% for row in data %}
<tr>
<td>{{ row['a'] }}</td>
{% if row['b'] <= 10 %}
<td><font color="#FF0000">{{ row['b'] }}</font></td>
{% else %}
<td>{{ row['b'] }}</td>
{% endif %}
<td>{{ row['c'] }}</td>
<td>{{ row['d'] }}</td>
<td>{{ row['e'] }}</td>
</tr>
{% endfor %}
</table>

Implementation of condition would be like this, You need to close the if block in the template.
<table>
{% for row in data %}
<tr>
{% if row['a'] <= 10 %}
<td class="test">{{ row['a'] }}</td>
{% else %}
<td> {{ row['a'] }} </td>
{% endif %}
</tr>
{% endfor %}
</table>