Does Jinja2 work with Python 3?

Does Jinja2 work with Python 3?

Jinja2 works with Python 2.6. x, 2.7. x and >= 3.3. If you are using Python 3.2 you can use an older release of Jinja2 (2.6) as support for Python 3.2 was dropped in Jinja2 version 2.7.

What is Jinja2 syntax?

Jinja, also commonly referred to as “Jinja2” to specify the newest release version, is a Python template engine used to create HTML, XML or other markup formats that are returned to the user via an HTTP response.

How do you iterate through Jinja dictionary?

How to iterate over a dictionary in a jinja Template in Python

  1. s = “{% for key, value in dict_item.items() %}Key: {{key}} Value: {{value}}\n{% endfor %}”
  2. template = Template(s)
  3. dict = {‘A’:’val1′,’B’:’val2′}
  4. items = template. render(dict_item = dict)
  5. print(items)

Which three features are included in the Jinja2 templates?


  • sandboxed execution.
  • automatic HTML escaping to prevent cross-site scripting (XSS) attacks.
  • template inheritance.
  • compiles down to the optimal Python code just-in-time.
  • optional ahead-of-time template compilation.

Does Django use Jinja2?

Jinja is officially supported by Django, and even before that there were third-party packages that allowed you to use it. The only real compatibility issue is that you can’t use Django’s custom template tags in a Jinja template.

How do I set variables in Jinja2?

Show activity on this post. {{ }} tells the template to print the value, this won’t work in expressions like you’re trying to do. Instead, use the {% set %} template tag and then assign the value the same way you would in normal python code. It was great explanation and simple one.

What is Ansible dictionary?

Dictionary variables are another type of ansible variable additionally supported in the playbook. To define the dictionary variable, simply ident the key-value pair just below the dictionary variable.

What are the delimiters used in Jinja2 template?

The default Jinja delimiters are configured as follows:

  • {% %} for Statements.
  • {{ }} for Expressions to print to the template output.
  • {# #} for Comments not included in the template output.
  • # ## for Line Statements.

What is Jinja2 in Django?

Jinja2 is a modern day templating language for Python developers. It was made after Django’s template. It is used to create HTML, XML or other markup formats that are returned to the user via an HTTP request.

What is Jinja2 in flask?

Jinja2 is a full featured template engine for Python. It has full unicode support, an optional integrated sandboxed execution environment, widely used and BSD licensed. Flask can be classified as a tool in the “Microframeworks (Backend)” category, while Jinja2 is grouped under “Templating Languages & Extensions”.

What is context in Jinja2?

Context contains the dynamic content that you want to inject in your template when it is being rendered. In your example, the file file.j2 must have the following content: {{ test1 }} As context is not a variable but the collection of all variables you pass to the template. test1 and test2 are part of the context.

How do you test for Jinja2?

A method of unit testing Jinja2 templates

  1. unittest boilerplate.
  2. A directory for saving compiled templates.
  3. Read in each data set.
  4. Render J2.
  5. Check that the rendered J2 is valid YAML.
  6. Check that Yamllint passes on the rendered template.
  7. Check that the rendered J2 cloudformation validates.
  8. All together.

What is list and dictionary in Ansible?

For Ansible, nearly every YAML file starts with a list. Each item in the list is a list of key/value pairs, commonly called a “hash” or a “dictionary”. So, we need to know how to write lists and dictionaries in YAML. There’s another small quirk to YAML.

What is item in Ansible?

item is not a command, but a variable automatically created and populated by Ansible in tasks which use loops. In the following example: – debug: msg: “{{ item }}” with_items: – first – second. the task will be run twice: first time with the variable item set to first , the second time with second .

What is Jinja2 template in flask?

Jinja2 is a template engine written in pure Python. It provides a Django-inspired non-XML syntax but supports inline expressions and an optional sandboxed environment. It is small but fast, apart from being an easy-to-use standalone template engine.

What is the use of Jinja2?

Jinja2 is a Python library that you can use to construct templates for various output formats from a core template text file. It can be used to create HTML templates for IBM® QRadar® applications.

How do I use Jinja2 with Django?

Create file in your project folder. This is required to modify the default jinja2 Environment (in our case, passing some additional global variables). 2. Add jinja2 backend to django project settings file, including our modified environment.

What is Jinja2 macro?

Macros are similar to functions in many programming languages. We use them to encapsulate logic used to perform repeatable actions. Macros can take arguments or be used without them. Inside of macros we can use any of the Jinja features and constructs. Result of running macro is some text.