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from functools import reduce
from operator import mul
from flask_babel import gettext
keywords = ('min', 'max', 'avg', 'sum', 'prod')
# required answerer function
# can return a list of results (any result type) for a given query
def answer(query):
parts = query.query.split()
if len(parts) < 2:
return []
try:
args = list(map(float, parts[1:]))
except:
return []
func = parts[0]
answer = None
if func == 'min':
answer = min(args)
elif func == 'max':
answer = max(args)
elif func == 'avg':
answer = sum(args) / len(args)
elif func == 'sum':
answer = sum(args)
elif func == 'prod':
answer = reduce(mul, args, 1)
if answer is None:
return []
return [{'answer': str(answer)}]
# required answerer function
# returns information about the answerer
def self_info():
return {
'name': gettext('Statistics functions'),
'description': gettext('Compute {functions} of the arguments').format(functions='/'.join(keywords)),
'examples': ['avg 123 548 2.04 24.2'],
}
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