[Flask] Passing a JSON array via **templateData in render_template
John Overbaugh
joatgm at gmail.com
Fri Nov 18 15:32:20 EST 2016
I created a 3-item JSON object (an array of items) and want to reference it
via javascript in my main.html page. I also have other template data I wish
to send (a nonce, a title, etc.).
- When I exclude the JSON object, everything renders fine, but as soon
as I add the JSON object to templateData, I get a TypeError that
render_template() takes exactly one argument.
- If I render_template with just the JSON object, the page renders OK
(just missing the other data I want to have available like title and
script_nonce)
Am I just missing something that's totally obvious, or is it not possible
to pass a JSON array along with other templateData?
entries = [
{
'id': 1,
'session': 1392596278493910,
'time': '201611161227',
'from': 'Device123',
"Message1": "Hello, my name is Billy",
},
{
'id': 2,
'session': 1392596278493910,
'time': '201611161229',
'from': 'Tom1',
'Message': 'Hello Billy, my name is Tom Riddle',
},
{
'id': 3,
'session': 1392596278493910,
'time': '201611161244',
'from': 'Device124',
'Message': 'Do you know Moaning Myrtle?',
},
]
@app.route('/', methods=['GET'])
def hello():
# Create a nonce for this page
scriptNonce = random.getrandbits(64)
templateData = {
'title' : 'Tom Riddle Diary',
'script_nonce' : scriptNonce,
'entry_Collection' : entries
}
r = make_response(render_template('main.html', **templateData))
return r
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