def calculate(self):
if 'calculator' not in request.form or \
not Calculator.query.filter_by(
template=request.form['calculator']):
return Response(json.dumps(
{
'message': "Dict not okay. You must supply a valid "
"calculator in the POST request."
}
)), 404
template_name = request.form['calculator']
template = os.path.join('formulae', template_name)
variables, success = helpers.get_template_variables(template)
if not success:
return Response(json.dumps(
{
'message': "Can't find calculator {:}".format(
template_name)
}
)), 404
# Check that all variables are present in the POST'd form
form_schema = Schema(
{v: Coerce(float) for v in variables},
required=True,
extra=True
)
supplied = set([k for k, v in request.form.iteritems() if v])
try:
formula_vars = form_schema(request.form)
except MultipleInvalid:
missing = list(variables - supplied)
return Response(json.dumps(
{
'missing': missing
}
)), 400
# Evaluate the formula with the variables!
return render_template(template, **formula_vars)
def get_calculator_variables(self, cid):
calculator = Calculator.query.get(cid)
if not calculator:
return Response("Can't find calculator #{:}".format(cid)), 404
template = os.path.join('formulae', calculator.template)
variables, success = helpers.get_template_variables(template)
if not success:
return Response(
"Can't find calculator {:}".format(calculator)), 404
# TODO is there a way to get `labels` straight out of the template?
labels = ast.literal_eval(render_template(template, get_labels=True))
labels['calculator'] = (calculator.template, )
return 'You need to supply {:} in the post request to {:}'.format(
{k: v[0]
for k, v in labels.iteritems()},
url_for('Endpoint:calculate', _external=True))
def calculate(self):
if 'calculator' not in request.form or \
not Calculator.query.filter_by(
template=request.form['calculator']):
return Response(
json.dumps({
'message':
"Dict not okay. You must supply a valid "
"calculator in the POST request."
})), 404
template_name = request.form['calculator']
template = os.path.join('formulae', template_name)
variables, success = helpers.get_template_variables(template)
if not success:
return Response(
json.dumps({
'message':
"Can't find calculator {:}".format(template_name)
})), 404
# Check that all variables are present in the POST'd form
form_schema = Schema({v: Coerce(float)
for v in variables},
required=True,
extra=True)
supplied = set([k for k, v in request.form.iteritems() if v])
try:
formula_vars = form_schema(request.form)
except MultipleInvalid:
missing = list(variables - supplied)
return Response(json.dumps({'missing': missing})), 400
# Evaluate the formula with the variables!
return render_template(template, **formula_vars)
def get_calculator_variables(self, cid):
calculator = Calculator.query.get(cid)
if not calculator:
return Response("Can't find calculator #{:}".format(cid)), 404
template = os.path.join('formulae', calculator.template)
variables, success = helpers.get_template_variables(template)
if not success:
return Response("Can't find calculator {:}".format(
calculator)), 404
# TODO is there a way to get `labels` straight out of the template?
labels = ast.literal_eval(render_template(template, get_labels=True))
labels['calculator'] = (calculator.template,)
return 'You need to supply {:} in the post request to {:}'.format(
{k: v[0] for k, v in labels.iteritems()},
url_for('Endpoint:calculate', _external=True)
)
