I have a usecase where I want to get a list of unreferenced variables in a jinja2 template. I found some explanations on stackoverflow on how to do this, but not of these exaples use a file as a template, and I am very, very stuck Here is my code. Lines 8 and 9 can be omitted, ofc. here is
Tag: jinja2
How do you get queryset objects related to queryset passed to templates in Django
I have these two models and as you can see they have a relationship. As far as I understand if I query posts and push them to a template and post, I would expect to use something like this in my templates to retrieve the images URL attached to the posts but it doesn’t seem to work. What am I
So my Jinga code is not outputing an option
This is a cs50 pset if you didn’t know. Here is the app.py You can consider that stocks is an array and its not empty The Output is just the first placeholder option and nothing more Answer When you call render_template(), you can pass Python variables to it which makes them available in your Jinja template. Change return render_template(“sell.html”) to
Python: How to get HTML text that has Jinja templates using requests or aiohttp?
I am using python, request or aiohttp method to get page, and BeautifulSoup4 for parsing webpage. Server HTML page uses jinja template, so when i get this page using requests or aiohttp, i get something like this: but if you open this page using browser, code looks like this: request code: aiohttp code: How should i do to get correct
How to display the Python Dictionary key and value pairs in HTML part of the python code
I am working on this code, I am doing web scraping from a website and getting the values and assigning it to the dictionary variable. Then, I am sending an email which contains the key and value pairs in the HTML format. I got stuck in the displaying dictionary key and value pairs in the HTML part. I tried sending
How to evaluate a variable within a dict in jinja
I would like to evaluate a variable within a dict object in Jinja. Is that possible? In the example, {{ obj_list }} is treated as text. Is there a syntax to evaluate this variable within? Answer You can use ~ to include variables within strings: {%- set long_dict_set = {“key”:”text text ” ~ obj_list ~ ” text text”} %} Output:
How to filter and display flask sqlalchemy one to many relationship data with jinja
I have two mysql tables (“song_info” and “djartist1”) which they have one to many relationship. I want to display the all songs from a single artist (all posts from a specific user). But I’m getting a list, instead of what I want to be displayed on the html file. Can you give me a solution please ?. here are the
Alternative to the pandas negation operator
I’m trying to use the pandas negation operator ~ in one of my jinja2 templates but I believe its conflicting with their special operator ~. yields the following exception… I could do the operation on the python side and pass another variable with the negated selection but what’s the method name equivalent that the ~ operator maps to that I
Jinja loop.index does not print
When running the following jinja code, I only get “Column info” printed. Why the index does not appears ? Answer It sounds like the template is being treated as a Django template, not a Jinja template. Using {{ loop.index }} should work in a Jinja template, but wouldn’t work in a Django template, where you would use {{ forloop.counter }}
How to set a variable from inside a for loop that can be accessed from outside the for loop [Jinja]
When a user clicks a link, I want Jinja to set a variable called {{ contact_clicked }} that is equal to {{ contact }}. I could do <a href=”/?{% contact_clicked = contact %}”>…..</a>. However, that variable is then inaccessible outside of the for loop. I tried creating a list and then appending a variable to the list and then accessing