readers: Convert bytes to str in the right place

# You should have received a copy of the GNU General Public License

# along with diffoscope.  If not, see <https://www.gnu.org/licenses/>.

import codecs

from .json import JSONReaderV1

def load_diff_from_path(path):

    with open(path, 'rb') as fp:

        return load_diff(fp, path)

        return load_diff(codecs.getreader('utf-8')(fp), path)

def load_diff(fp, path):

# along with diffoscope.  If not, see <https://www.gnu.org/licenses/>.

import json

import codecs

from ..difference import Difference

from ..presenters.json import JSON_FORMAT_MAGIC

class JSONReaderV1(object):

    def load(self, fp, fn):

        raw = json.load(codecs.getreader('utf-8')(fp))

        # fp should be a str-stream not a bytes-stream. If you need to pass in

        # a bytes-stream, wrap it in codecs.getreader('utf-8')(fp)

        raw = json.load(fp)

        if JSON_FORMAT_MAGIC not in raw or raw[JSON_FORMAT_MAGIC] != 1:

            raise UnrecognizedFormatError(

                "Magic not found in JSON: {}".format(JSON_FORMAT_MAGIC)