Exemple #1
0
def convert_dict(template, start_mark=(0, 0), end_mark=(0, 0)):
    """Convert dict to template"""
    if isinstance(template, dict):
        if not isinstance(template, dict_node):
            template = dict_node(template, start_mark, end_mark)
        for k, v in template.copy().items():
            k_start_mark = start_mark
            k_end_mark = end_mark
            if isinstance(k, str_node):
                k_start_mark = k.start_mark
                k_end_mark = k.end_mark
            new_k = str_node(k, k_start_mark, k_end_mark)
            del template[k]
            template[new_k] = convert_dict(v, k_start_mark, k_end_mark)
    elif isinstance(template, list):
        if not isinstance(template, list_node):
            template = list_node(template, start_mark, end_mark)
        for i, v in enumerate(template):
            template[i] = convert_dict(v, start_mark, end_mark)

    return template
Exemple #2
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 def construct_yaml_str(self, node):
     obj = SafeConstructor.construct_yaml_str(self, node)
     assert isinstance(obj, (six.string_types))
     return str_node(obj, node.start_mark, node.end_mark)
Exemple #3
0
def CfnJSONObject(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)
                    result = object_pairs_hook(pairs, beg_mark, end_mark)
                    return result, end + 1
                except DuplicateError as err:
                    raise JSONDecodeError('Duplicate found {}'.format(err), s,
                                          end)
                except NullError as err:
                    raise JSONDecodeError('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)
                pairs = object_hook(pairs, beg_mark, end_mark)
            return pairs, end + 1

        if nextchar != '"':
            raise JSONDecodeError(
                '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 JSONDecodeError('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))
        try:
            value, end = scan_once(s, end)
        except StopIteration as err:
            raise JSONDecodeError('Expecting value', s, str(err))
        key_str = str_node(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 JSONDecodeError('Expecting \',\' delimiter', s, end - 1)
        end = _w(s, end).end()
        nextchar = s[end:end + 1]
        end += 1
        if nextchar != '"':
            raise JSONDecodeError(
                '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)
            result = object_pairs_hook(pairs, beg_mark, end_mark)
        except DuplicateError as err:
            raise JSONDecodeError('Duplicate found {}'.format(err), s, begin,
                                  key)
        except NullError as err:
            raise JSONDecodeError('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)
        pairs = object_hook(pairs, beg_mark, end_mark)
    return pairs, end