Re: Location identification with login

[tristant]

Appreciate everyone's pointers!

Cheers,

On Sunday, December 25, 2022 at 9:26:50 PM UTC-7 yebo...@gmail.com wrote:

> This can be done GeoIP but it can be done in a different way I have done 
> one before that was with REST API, all you have to do if you don't want to 
> depend on any third library is to have a device model which stores the user 
> and IP then whenever the user login saves it.
> So with this, you have all the user's IPs so when they log in again then 
> you compare their previous IPs with the current if different you can send a 
> warning mail or you just send an OTP to verify before logging in.
> What I did was for one company I worked with so I can share the code I am 
> sorry for that.
>
> On Sun, 25 Dec 2022 at 20:58, 'Kasper Laudrup' via Django users <
> django...@googlegroups.com> wrote:
>
>> On 25/12/2022 20.52, tristant wrote:
>> > Is there a mechanism in Django where we can identify the location of 
>> > login? Any reading sources regarding this functionality would be much 
>> > appreciated.
>> >
>>
>> What you're looking for is something called geoip. To the best of my 
>> knowledge there's no such thing build into Django (wouldn't really make 
>> much sense anyway) but it should be trivial to query some geoip database 
>> from your code and get a somewhat reliable idea on where that IP is 
>> coming from.
>>
>> There's no way that can be accurate but it might be useful for something 
>> like detecting a locale (that the user can then change) or similar.
>>
>>
>> > Along the same line, is there a way to prevent a login attempt if the 
>> > location is within certain blacklisted IP subnets?
>> > 
>>
>> It is trivial to spoof a source IP address once you reach the Django 
>> application part of the communication. That's more of a feature than a 
>> bug actually because of things like proxies etc.
>>
>> If you want to blacklist IPs you have to do that on a lower level. For a 
>> single server running Linux something like netfilter/iptables might be 
>> used but I'm sure there are some more convenient scripts/services etc. 
>> that might be used. The main point is that you cannot do this from your 
>> Django code.
>>
>> Hope that helps you in the right direction.
>>
>> Kind regards,
>> Kasper Laudrup
>>
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>> .
>>
>

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Location identification with login

[tristant]

Is there a mechanism in Django where we can identify the location of login? 
Any reading sources regarding this functionality would be much appreciated.

Along the same line, is there a way to prevent a login attempt if the 
location is within certain blacklisted IP subnets?

Thanks,

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Deploy Django app with Apache2

[tristant]

I was looking to turn a a laptop into a standing webserver to deploy a 
Django app within an intranet. This tutorial here shows how to doing with 
Apache2:  Hands-On How to Host Django with Apache2 | by Muhammad Ryan | 
Level Up Coding (gitconnected.com) 
.
 
But it only shows how to deploy locally without using a real DNS (i.e 
instead of using "localhost:8000", it uses "localhost/project_name" as the 
address).

Suppose I have secured a DNS, how should I proceed or what steps need to 
deviate from this tutorial? Or if anyone has better educating sources for 
this purpose, that would be much appreciated. I work with Ubutu. Thanks.

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Creating dynamic chart / graphs with Django

[tristant]

I am looking to build site with a variety of charts and graphs. A quick 
search shows quite a lot of packages out there, as listed here Django 
Packages : Charts 

Has anyone used any of these packages and could provide some advice on 
which is better? For my task, I am looking to create both typical 2D charts 
as well as possible 3D plots. The charts need to be interactive ( as in 
user can tweak inputs and expect the charts to respond).

I have done similar charts with R Shiny. I am wondering which of these 
packages can do similar things?

I notice in the link, some packages mention "offline". Does this mean they 
cannot create interactive charts?

Thanks.

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Deploy Django website internally within company network

[tristant]

So I am trying to propose building an internal website site at work with 
Django. But I have no idea what is needed from an IT perspective. I know 
how to deploy one on the internet through Heroku or such. But what are the 
steps/resource requirements if I was to deploy within an intranet? The IT 
department has not done this with Django before ( although they have done 
so with other framework such as Angular, etc).

If someone could give me some pointers on this process.

Thanks,

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Re: Can Django template extend dynamic content in child or grandchild template?

[tristant]

Sorry for the badly formatted html code. My question on Stackoverflow here: 
https://stackoverflow.com/questions/64359521/djang-multiple-levels-of-template-extension-while-keeping-the-elements-of-the-up

Thanks,

On Wednesday, October 14, 2020 at 1:03:43 PM UTC-6 tristant wrote:

>
>   ...   {% block content 
> %} {% endblock %}   
>
> category.html :
> {% extends "base.html" %} {% block content %}  <
> div id="menu_category_display"> {% for category in menu_categories %} {% 
> with category_button="menu_"|add:category.name|lower %}  "showItem('{{category_button}}','category_buttons')"> {{category}}  button> {% endwith %} {% endfor %}
> {% block level_2_content %} {% endblock %}   {% endblock %} 
>
> and item.htlm
> {% extends "category/category.html" %} {% block level_2_content %}  id="test_div"> {% for item in menu_items %} {{item.name}} {% 
> endfor %}  {% endblock %} 
>
> When item.html is rendered, all the elements that were rendered by 
> category.html are gone. Only the elements of the base.html are retained. 
>
> In the code above, the entire category_row div does not appear in 
> item.html. How do I retain them?
>
> How do I retain all elements in all parent templates instead of just 
> base.html? A general method to do this for more than 3 levels of 
> extension like in my case?
>
>
>

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Can Django template extend dynamic content in child or grandchild template?

[tristant]

  ...   {% block content %} 
{% endblock %}   

category.html :
{% extends "base.html" %} {% block content %}  <
div id="menu_category_display"> {% for category in menu_categories %} {% 
with category_button="menu_"|add:category.name|lower %}  {{category}}  
{% endwith %} {% endfor %}{% block 
level_2_content %} {% endblock %}   {% endblock %} 

and item.htlm
{% extends "category/category.html" %} {% block level_2_content %}  {% for item in menu_items %} {{item.name}} {% endfor %} 
 {% endblock %} 

When item.html is rendered, all the elements that were rendered by 
category.html are gone. Only the elements of the base.html are retained. 

In the code above, the entire category_row div does not appear in item.html. 
How do I retain them?

How do I retain all elements in all parent templates instead of just 
base.html? A general method to do this for more than 3 levels of extension 
like in my case?


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Virtual keyboard popup for running web app on touch-screen device

[tristant]

Hi,

What package available in Django that I can use to create a popup on-screen 
keyboard for the user to type on a touch-screen device? I know Tkinter has 
this GUI capability. But I would like to stick with a web-based app.

If you have built something like that and could share the end result, that 
would be great.

Thanks,

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Re: Has anyone created eCommerce website with Django?

[tristant]

Thanks, guys.

I did some research on pricing for freelancing. I am about to commit to one 
freelance job, building a small ecommerce website. Features include: adding 
product, updating quantity, payment with cards or PayPal, full website has 
about 10 pages max.

What is a reasonable price here? I don't want to scare the client off with 
ridiculous numbers, given that this is my first project. But I also would 
like to have decent income. The internet suggests such a wide range. I am 
in the US.

On Wednesday, August 5, 2020 at 12:51:45 PM UTC-7 kovy@gmail.com wrote:

> I would recommend using shopify over wix, as it is meant for e-commerce, 
> but django will give you many advantages.
> - Highly customizable, you can add on anything you want, easily
> - WAY cheaper, you can host a django site for a few dollars a month
> - It gives you unlimited expansion, a day will hopefully come where you 
> want to expand your site, and you don't want to be restrained by the 
> limitations of a drag-and-drop-website, or have to make your website from 
> scratch on a different service/in django
> - You will learn django and a bit of python, which is very useful.
>
> On Wed, Aug 5, 2020 at 3:45 PM ola neat  wrote:
>
>> yes i have,
>> u charge base on the requirement and feature that is needed on the website
>>
>> On Wed, Aug 5, 2020 at 8:15 PM tristant  wrote:
>>
>>> Hi,
>>> I am wondering if anyone here has created one for real, maybe for a 
>>> small business. If so, how do you price your work, say, as compared to 
>>> other available web-building services such as Wix.com where small 
>>> businesses pay subscription fee and no need to do any coding?
>>>
>>>
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>>>  
>>> <https://groups.google.com/d/msgid/django-users/4abb0de1-685d-4124-887a-31c4b3a85f03n%40googlegroups.com?utm_medium=email_source=footer>
>>> .
>>>
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>> https://groups.google.com/d/msgid/django-users/CAHLKn738oMsaK%2BOXGQWFmiZ75bjwtgtA243FHD58M1Cstvn8ig%40mail.gmail.com
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>> <https://groups.google.com/d/msgid/django-users/CAHLKn738oMsaK%2BOXGQWFmiZ75bjwtgtA243FHD58M1Cstvn8ig%40mail.gmail.com?utm_medium=email_source=footer>
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>>
>

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Has anyone created eCommerce website with Django?

[tristant]

Hi,
I am wondering if anyone here has created one for real, maybe for a small 
business. If so, how do you price your work, say, as compared to other 
available web-building services such as Wix.com where small businesses pay 
subscription fee and no need to do any coding?


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Intensive access and modification of database table

[tristant]

Hi,

I am wondering if anyone could point me to any documents or readings on how 
to big eCommerce sites such as Amazon or eBay implements the following 
situation:
- A seller posts a product with an initial quantity, 'init_qty'.
- An unknown number of clients access the product concurrently, add it to 
their shopping cart.
- The site needs to manage the contemporary available quantity, 
"avail_qty", and all times. And switch the product to "unavailable" if the 
quantity drop to zero.
- However, the effective "avail_qty" is only updated permanently in the 
database if and only if the client checks out and pays.

For small eCommerce sites, updating the database frequently is not a big 
deal. But if the product count and client count is large, what is the 
efficient way to implement this?

Thanks,


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