Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
Concise algorithm solution in Speedy category for YAML. More Types by Igor_Sekretarev
from typing import Dict
VALUE = {
'' : None,
'false' : False,
'true' : True
}
def yaml(a: str) -> Dict:
d = {}
for line in a.splitlines():
if not line:
continue
key, string = map(str.strip, line.strip().split(':'))
if string == 'null':
string = ''
elif string.startswith('"'):
string = string[1:-1].replace('\\"', '"')
d[key] = (int(string) if string.isdigit()
else VALUE[string] if string in VALUE else string)
return d
if __name__ == '__main__':
print("Example:")
print(yaml('name: Alex\nage: 12'))
# These "asserts" are used for self-checking and not for an auto-testing
assert yaml('name: Alex\nage: 12') == {'age': 12, 'name': 'Alex'}
assert yaml('name: Alex Fox\n'
'age: 12\n'
'\n'
'class: 12b') == {'age': 12,
'class': '12b',
'name': 'Alex Fox'}
assert yaml('name: "Alex Fox"\n'
'age: 12\n'
'\n'
'class: 12b') == {'age': 12,
'class': '12b',
'name': 'Alex Fox'}
assert yaml('name: "Alex \\"Fox\\""\n'
'age: 12\n'
'\n'
'class: 12b') == {'age': 12,
'class': '12b',
'name': 'Alex "Fox"'}
assert yaml('name: "Bob Dylan"\n'
'children: 6\n'
'alive: false') == {'alive': False,
'children': 6,
'name': 'Bob Dylan'}
assert yaml('name: "Bob Dylan"\n'
'children: 6\n'
'coding:') == {'children': 6,
'coding': None,
'name': 'Bob Dylan'}
assert yaml('name: "Bob Dylan"\n'
'children: 6\n'
'coding: null') == {'children': 6,
'coding': None,
'name': 'Bob Dylan'}
assert yaml('name: "Bob Dylan"\n'
'children: 6\n'
'coding: "null" ') == {'children': 6,
'coding': 'null',
'name': 'Bob Dylan'}
print("Coding complete? Click 'Check' to earn cool rewards!")
April 30, 2021