def construct_yaml_str(self, node):
obj = SafeConstructor.construct_yaml_str(self, node)
assert isinstance(obj, str) # nosec
return StrNode(obj, node.start_mark, node.end_mark)
def json_object(self,
s_and_end,
strict,
scan_once,
object_hook,
object_pairs_hook,
memo=None,
_w=WHITESPACE.match,
_ws=WHITESPACE_STR):
""" Custom Cfn JSON Object to store keys with start and end times """
s, end = s_and_end
orginal_end = end
pairs = []
pairs_append = pairs.append
# Backwards compatibility
if memo is None:
memo = {}
memo_get = memo.setdefault
# Use a slice to prevent IndexError from being raised, the following
# check will raise a more specific ValueError if the string is empty
nextchar = s[end:end + 1]
# Normally we expect nextchar == '"'
if nextchar != '"':
if nextchar in _ws:
end = _w(s, end).end()
nextchar = s[end:end + 1]
# Trivial empty object
if nextchar == '}':
if object_pairs_hook is not None:
try:
beg_mark, end_mark = get_beg_end_mark(
s, orginal_end, end + 1, self.newline_indexes)
result = object_pairs_hook(pairs, beg_mark, end_mark)
return result, end + 1
except DuplicateError as err:
raise DecodeError('Duplicate found {}'.format(err), s,
end)
except NullError as err:
raise DecodeError('Null Error {}'.format(err), s, end)
pairs = {}
if object_hook is not None:
beg_mark, end_mark = get_beg_end_mark(
s, orginal_end, end + 1, self.newline_indexes)
pairs = object_hook(pairs, beg_mark, end_mark)
return pairs, end + 1
if nextchar != '"':
raise DecodeError(
'Expecting property name enclosed in double quotes', s,
end)
end += 1
while True:
begin = end - 1
key, end = py_scanstring(s, end, strict)
# print(lineno, colno, obj)
# print(key, lineno, colno)
key = memo_get(key, key)
# To skip some function call overhead we optimize the fast paths where
# the JSON key separator is ": " or just ":".
if s[end:end + 1] != ':':
end = _w(s, end).end()
if s[end:end + 1] != ':':
raise DecodeError('Expecting \':\' delimiter', s, end)
end += 1
try:
if s[end] in _ws:
end += 1
if s[end] in _ws:
end = _w(s, end + 1).end()
except IndexError:
pass
beg_mark, end_mark = get_beg_end_mark(s, begin, begin + len(key),
self.newline_indexes)
try:
value, end = scan_once(s, end)
except StopIteration as err:
raise DecodeError('Expecting value', s, str(err))
key_str = StrNode(key, beg_mark, end_mark)
pairs_append((key_str, value))
try:
nextchar = s[end]
if nextchar in _ws:
end = _w(s, end + 1).end()
nextchar = s[end]
except IndexError:
nextchar = ''
end += 1
if nextchar == '}':
break
if nextchar != ',':
raise DecodeError('Expecting \',\' delimiter', s, end - 1)
end = _w(s, end).end()
nextchar = s[end:end + 1]
end += 1
if nextchar != '"':
raise DecodeError(
'Expecting property name enclosed in double quotes', s,
end - 1)
if object_pairs_hook is not None:
try:
beg_mark, end_mark = get_beg_end_mark(s, orginal_end, end,
self.newline_indexes)
result = object_pairs_hook(pairs, beg_mark, end_mark)
except DuplicateError as err:
raise DecodeError('Duplicate found {}'.format(err), s, begin,
key)
except NullError as err:
raise DecodeError('Null Error {}'.format(err), s, begin, key)
return result, end
pairs = dict(pairs)
if object_hook is not None:
beg_mark, end_mark = get_beg_end_mark(s, orginal_end, end,
self.newline_indexes)
pairs = object_hook(pairs, beg_mark, end_mark)
return pairs, end