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There is a urlencode filter in Jinja, which can be used with {{ url | urlencode }}, but I'm looking for a "plus" version that replaces spaces with + instead of %20, like urllib.quote_plus(). Is there anything off the shelf or is it a time for a custom filter?
788
No, Jinja2 does not have a built-in method that functions like quote_plus; you will need to create a custom filter.
Python
from flask import Flask
# for python2 use 'from urllib import quote_plus' instead
from urllib.parse import quote_plus
app = Flask('my_app')
app.jinja_env.filters['quote_plus'] = lambda u: quote_plus(u)
HTML
<html>
{% set url = 'http://stackoverflow.com/questions/33450404/quote-plus-urlencode-filter-in-jinja' %}
{{ url|quote_plus }}
</html>
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