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First solution in Clear category for YAML. Complex Structure by _Chico_
def count_space(w):
space = 0
for i in w:
if i == ' ':
space += 1
else:
return space
def make_list(l,level):
result = []
for i in range(len(l)):
if l[i][:2*level+1] == ' '*(2*level)+'#':
continue
elif l[i] == ' '*(2*level)+'-':
if i == len(l)-1 or count_space(l[i+1]) == 2*level:
result.append(None)
else:
# judge type
# Fine all next level words
temp_l = []
for j in range(i+1, len(l)):
if count_space(l[j]) >= 2*level+1:
temp_l.append(l[j])
else:
break
if ':' in temp_l[0]:
result.append(make_dict(temp_l, level+1))
else:
result.append(make_list(temp_l, level+1))
elif count_space(l[i]) > 2*level:
continue
else:
temp = l[i][2*level+2:]
if '#' in temp and '"' not in temp:
temp = temp[:temp.index('#')]
if temp[0] == ' ': temp = temp[1:]
if temp[-1] == ' ': temp = temp[:-1]
if temp[0] == temp[-1] == '"': temp = temp[1:-1]
try:
result.append(int(temp))
except:
result.append(temp)
return result
def make_dict(l,level):
result = {}
for i in range(len(l)):
if count_space(l[i]) > 2*level:
continue
elif l[i][-1] == ':' and i != len(l)-1:
key = l[i][2*level:l[i].index(':')]
# judge type
# Fine all next level words
temp_l = []
for j in range(i+1,len(l)):
if count_space(l[j]) >= 2*level+1:
temp_l.append(l[j])
else:
break
if ':' in temp_l[0]:
result[key] = make_dict(temp_l,level+1)
else:
result[key] = make_list(temp_l,level+1)
else:
key = l[i][2*level:l[i].index(':')]
if l[i][-1] == ':':
value = None
else:
value = l[i][l[i].index(':')+2:]
if '#' in value and '"' not in value:
value = value[:value.index('#')]
if value[0] == ' ': value = value[1:]
if value[-1] == ' ': value = value[:-1]
value = value.replace('\\','')
value = value.replace('\"','"')
# value = value.replace('\\\"','\"')
if value == 'null':
value = None
elif value[0] == value[-1] == '"': value = value[1:-1]
try:
value = int(value)
except:
if value == 'true':
value = True
elif value == 'false':
value = False
result[key] = value
return result
def yaml(a):
l = a.split('\n')
while '' in l:
l.remove('')
while l[0][0] == '#':
l = l[1:]
if '-' in l[0]:
result = make_list(l,0)
else:
result = make_dict(l,0)
return result
if __name__ == '__main__':
yaml("\nname: Alex\nage: 12")
yaml("name: \"Bob Dylan\"\nchildren: 6\ncoding: \"null\" ")
yaml("name: \"Bob Dylan\"\nchildren: 6\ncoding:")
yaml("name: \"Alex \\\"Fox\\\"\"\nage: 12\n\nclass: 12b")
yaml("name: \"Alex Fox\"\nage: 12\n\nclass: 12b")
yaml("# comment\n- write some # after\n# one mor\n- \"Alex Chii #sir \"\n- 89 #bl")
print("Example:")
print(yaml('- Alex\n'
'-\n'
' - odessa\n'
' - dnipro\n'
'- Li'))
# These "asserts" are used for self-checking and not for an auto-testing
assert yaml('- Alex\n'
'-\n'
' - odessa\n'
' - dnipro\n'
'- Li') == ['Alex', ['odessa', 'dnipro'], 'Li']
assert yaml('- 67\n'
'-\n'
' name: Irv\n'
' game: Mario\n'
'-\n'
'- 56') == [67,
{'game': 'Mario', 'name': 'Irv'},
None,
56]
assert yaml('name: Alex\n'
'study:\n'
' type: school\n'
' number: 78\n'
'age: 14') == {'age': 14,
'name': 'Alex',
'study': {'number': 78,
'type': 'school'}}
assert yaml('name: Alex\n'
'study:\n'
' - 89\n'
' - 89\n'
' - "Hell"\n'
'age: 14') == {'age': 14,
'name': 'Alex',
'study': [89, 89, 'Hell']}
assert yaml('name: Alex\n'
'study:\n'
' -\n'
' type: school\n'
' num: 89\n'
' -\n'
' type: school\n'
' num: 12\n'
'age: 14') == {'age': 14,
'name': 'Alex',
'study': [{'num': 89,
'type': 'school'},
{'num': 12,
'type': 'school'}]}
assert yaml('name: Alex\n'
'study:\n'
' -\n'
' type: school\n'
' nums:\n'
' - 12\n'
' - 67\n'
' -\n'
' type: school\n'
' num: 12\n'
'age: 14') == {'age': 14,
'name': 'Alex',
'study': [{'nums': [12, 67],
'type': 'school'},
{'num': 12,
'type': 'school'}]}
print("Coding complete? Click 'Check' to earn cool rewards!")
May 11, 2021
