Let JSON object accept bytes or let urlopen output strings

Question

With Python 3 I am requesting a json document from a URL   response   urllib request urlopen request    The response object is a file-like object with read and readline methods  Normally a JSON object can be created with a file opened in text mode   obj   json load fp    What I would like to do is   obj   json load response    This however does not work as urlopen returns a file object in binary mode   A work around is of course   str response   response read   decode  utf-8   obj   json loads str response    but this feels bad     Is there a better way that I can transform a bytes file object to a string file object  Or am I missing any parameters for either urlopen or json load to give an encoding

User · Answer

I used below program to use of json loads    import urllib request import json endpoint    https   maps googleapis com maps api directions json   api key    AIzaSyABbKiwfzv9vLBR kCuhO7w13Kseu68lr0  origin   input  where are you     replace          destination   input  where do u want to go   replace          nav request    origin    amp destination    amp key     format origin destination api key  request   endpoint   nav request response   urllib request urlopen request  read   decode  utf-8   directions   json loads response  print directions

User · Answer

This one works for me  I used  request  library with json   check out the doc in requests for humans  import requests  url    here goes your url   obj   requests get url  json

User · Answer

Python   s wonderful standard library to the rescue     import codecs  reader   codecs getreader  utf-8   obj   json load reader response     Works with both py2 and py3   Docs  Python 2  Python3

User · Answer

I ran into similar problems using Python 3 4 3  amp  3 5 2 and Django 1 11 3  However  when I upgraded to Python 3 6 1 the problems went away   You can read more about it here  https   docs python org 3 whatsnew 3 6 html json  If you re not tied to a specific version of Python  just consider upgrading to 3 6 or later

User · Answer

This will stream the byte data into json   import io  obj   json load io TextIOWrapper response     io TextIOWrapper is preferred to the codec s module reader  https   www python org dev peps pep-0400

User · Answer

Your workaround actually just saved me  I was having a lot of problems processing the request using the Falcon framework  This worked for me  req being the request form curl pr httpie  json loads req stream read   decode  utf-8

User · Answer

As of Python 3 6  you can use json loads   to deserialize a bytesobject directly  the encoding must be UTF-8  UTF-16 or UTF-32   So  using only modules from the standard library  you can do   import json from urllib import request  response   request urlopen url  read   data   json loads response

User · Answer

Just found this simple method to make HttpResponse content as a json  import json  request   RequestFactory     ignore this  this just like your request object  response   MyView as view   request    got response as HttpResponse object  response render     call this so we could call response content after  json response   json loads response content decode  utf-8     print json response      your json key    your json value     Hope that helps you

User · Answer

HTTP sends bytes  If the resource in question is text  the character encoding is normally specified  either by the Content-Type HTTP header or by another mechanism  an RFC  HTML meta http-equiv        urllib should know how to encode the bytes to a string  but it s too na  ve   it s a horribly underpowered and un-Pythonic library   Dive Into Python 3 provides an overview about the situation   Your  work-around  is fine   although it feels wrong  it s the correct way to do it

User · Answer

For anyone else trying to solve this using the requests library   import json import requests  r   requests get  http   localhost index json   r raise for status     works for Python2 and Python3 json loads r content decode  utf-8

User · Answer

If you re experiencing this issue whilst using the flask microframework  then you can just do   data   json loads response get data as text True    From the docs   If as text is set to True the return value will be a decoded unicode string

User · Answer

I have come to opinion that the question is the best answer     import json from urllib request import urlopen  response   urlopen  site com api foo bar   read   decode  utf8   obj   json loads response

[python] Let JSON object accept bytes or let urlopen output strings

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