unable to load template in python

Question

Flask is giving template not found exception on render_template() method

.

routes.py

from flask import render_template
from app import app

@app.route('/')
@app.route('/index')
def index():
    return render_template('index.html', title='Home', user='user')
    # return render_template('index.html')

index.html

<html>
    <head>
        <title>{{ title }} </title>
    </head>
    <body>
        <h1>Hello, {{ user }}!</h1>
    </body>
</html>

init.py

from flask import Flask
app=Flask(__name__)
from app import routes

bot.py

from app import app

error log I am getting

[2018-10-11 15:00:25,349] ERROR in app: Exception on / [GET]
Traceback (most recent call last):
  File "D:\Bot\venv\lib\site-packages\flask\app.py", line 2292, in wsgi_app
    response = self.full_dispatch_request()
  File "D:\Bot\venv\lib\site-packages\flask\app.py", line 1815, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "D:\Bot\venv\lib\site-packages\flask\app.py", line 1718, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "D:\Bot\venv\lib\site-packages\flask\_compat.py", line 35, in reraise
    raise value
  File "D:\Bot\venv\lib\site-packages\flask\app.py", line 1813, in full_dispatch_request
    rv = self.dispatch_request()
  File "D:\Bot\venv\lib\site-packages\flask\app.py", line 1799, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "D:\Bot\app\routes.py", line 8, in index
    return render_template('index.html')
  File "D:\Bot\venv\lib\site-packages\flask\templating.py", line 134, in render_template
    return _render(ctx.app.jinja_env.get_or_select_template(template_name_or_list),
  File "D:\Bot\venv\lib\site-packages\jinja2\environment.py", line 869, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
  File "D:\Bot\venv\lib\site-packages\jinja2\environment.py", line 830, in get_template
    return self._load_template(name, self.make_globals(globals))
  File "D:\Bot\venv\lib\site-packages\jinja2\environment.py", line 804, in _load_template
    template = self.loader.load(self, name, globals)
  File "D:\Bot\venv\lib\site-packages\jinja2\loaders.py", line 113, in load
    source, filename, uptodate = self.get_source(environment, name)
  File "D:\Bot\venv\lib\site-packages\flask\templating.py", line 58, in get_source
    return self._get_source_fast(environment, template)
  File "D:\Bot\venv\lib\site-packages\flask\templating.py", line 86, in _get_source_fast
    raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: index.html
127.0.0.1 - - [11/Oct/2018 15:00:25] "GET / HTTP/1.1" 500 -

I have already tried answer of this question, but still not working.

Somebody help me with this, Thank you...

templates folder and routes.py should be in same folder. paste you templates folder in you app folder — Nihal, Oct 11 '18 at 10:33
Thanks man...! That worked. Since I am new to python, I dindn't know about such a thing. Thanks again. — muhammed aslam, Oct 11 '18 at 10:36

score 0 · Answer 1 · answered Oct 11 '18 at 11:29

you need the templates directory move to the app directory.

why?

because templates directory and the file where the app(the instance of Flask) is located in the same directory.

app = Flask(__name__)

inside the Flask, the jinja2 environment rely on the __name__ parameter to load your templates.

unable to load template in python

1 Answers1