I am using an app factory and blueprints to modularize my application. The templates folder is located under the app package and contains the index.html template. However, I get a TemplateNotFoundError when viewing the page. Why isn't my template found?
project/
├── app
│ ├── __init__.py
│ └── templates
│ └── index.html
└── run.py
app/__init__.py
from flask import Flask, Blueprint, render_template
def create_app():
app = Flask('__name__')
app.register_blueprint(home)
return app
home = Blueprint('home', __name__)
@home.route('/')
def homepage():
return render_template('home/index.html')
run.py
from app import create_app
app = create_app()
app.run()
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/werkzeug/serving.py", line 267, in run_wsgi
execute(self.server.app)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/werkzeug/serving.py", line 255, in execute
application_iter = app(environ, start_response)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1997, in __call__
return self.wsgi_app(environ, start_response)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1985, in wsgi_app
response = self.handle_exception(e)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1540, in handle_exception
reraise(exc_type, exc_value, tb)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1982, in wsgi_app
response = self.full_dispatch_request()
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1614, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1517, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1612, in full_dispatch_request
rv = self.dispatch_request()
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/app.py", line 1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/Users/saikrishnamohan/Projects/FlaskVueApp/dream-team/app/home/views.py", line 12, in homepage
return render_template('home/index.html', title="Welcome")
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/templating.py", line 133, in render_template
return _render(ctx.app.jinja_env.get_or_select_template(template_name_or_list),
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/jinja2/environment.py", line 869, in get_or_select_template
return self.get_template(template_name_or_list, parent, globals)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/jinja2/environment.py", line 830, in get_template
return self._load_template(name, self.make_globals(globals))
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/jinja2/environment.py", line 804, in _load_template
template = self.loader.load(self, name, globals)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/jinja2/loaders.py", line 113, in load
source, filename, uptodate = self.get_source(environment, name)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/templating.py", line 57, in get_source
return self._get_source_fast(environment, template)
File "/Users/saikrishnamohan/Projects/VirtualEnvs/flaskVue/lib/python2.7/site-packages/flask/templating.py", line 85, in _get_source_fast
raise TemplateNotFound(template)
TemplateNotFound: home/index.html
You have a typo: Flask('__name__') should not have quotes around __name__. Fix the typo so that it's app = Flask(__name__).
The argument, import_name, passed to Flask lets it figure out where directories like the templates folder is. Since the string '__name__' doesn't actually describe where your app is, Flask assumes the current working directory. But you're running from the directory above your package, so the templates folder can't be found.
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