Convert dictionary notations

orig_code = '''{
    'url': 'https://neighbors.ring.com/n/oEdj2',
    'md5': '4f9038a4a926dea5db3d399d0326abe7',
    'info_dict': {
        'id': 'oEdj2',
        'ext': 'mp4',
        'title': 'Ding Dong Ditch is alive and well',
        'thumbnail': 'https://neighbors.ring.com/assets/images/default_og_image.png',
        'upload_date': '20180210',
        'location': '4721 Indian Deer Rd, Windermere, FL 34786, USA',
        'description': 'Get crime and safety alerts from your neighbors',
    }
}'''

def check_stack(look_for, stack):
    rstack = reversed(stack)
    for i, x in enumerate(rstack):
        if x == look_for:
            return
    raise SyntaxError('Unexpected {}'.format(look_for))

def conv(inp, indent_spaces=4):
    stack = []
    is_dict = False
    is_key = False
    is_value = False
    seen_quote_open = False
    skip_1_space = False
    code = []
    end = len(inp) - 1
    indent = 0
    level = 0

for i, c in enumerate(inp):
        if c == ':':
            continue
        if c == '\n':
            continue

if c == ' ' and skip_1_space:
            if skip_1_space:
                skip_1_space = False
            continue

if c == ',':
            code.append(c)
            if not is_value and level > 0:
                code.append('\n')
            indent += indent_spaces
            continue

if c == '{':
            stack.append(c)
            is_dict = True
            is_key = True
            code.append('dict(')
            level += 1
            continue

if c == '}':
            check_stack('{', stack)
            code.append(')')
            is_dict = False
            if i != end:
                code.append(',\n')
            level -= 1
            continue

if is_key:
            if not seen_quote_open and c == ' ':
                continue
            if c in ('"', "'",):
                if not seen_quote_open:
                    seen_quote_open = True
                    stack.append(c)
                    continue
                else:
                    check_stack(c, stack)
                    seen_quote_open = False
                    is_key = False
                    is_value = True
                    c = '='
                    skip_1_space = True
            code.append(c)
            continue

if is_value:
            if c in ('"', "'",):
                if not seen_quote_open:
                    stack.append(c)
                    seen_quote_open = True
                else:
                    check_stack(c, stack)
                    seen_quote_open = False
                    is_value = False
                    is_key = True
            code.append(c)
            continue

return ''.join(code)

print(conv(orig_code))

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