Upload Image using POST form data in Python-requests

Question

I m working with wechat APIs     here I ve to upload an image to wechat s server using this API http   admin wechat com wiki index php title Transferring Multimedia Files     url    http   file api wechat com cgi-bin media upload access token  s amp type image  access token     files              file    filename  open filepath   rb              Content-Type    image jpeg            Content-Length   l           r   requests post url  files files   I m not able to post data

User · Answer

import requests  image file descriptor   open  test jpg    rb     Requests makes it simple to upload Multipart-encoded files  files     media   image file descriptor  url         requests post url  files files  image file descriptor close    Don t forget to close the descriptor  it prevents bugs  Is explicitly closing files important

User · Answer

Use this snippet       import os import requests url    http   host port endpoint  with open path img   rb   as img    name img  os path basename path img    files    image    name img img  multipart form-data    Expires    0        with requests Session   as s      r   s post url files files      print r status code

User · Answer

I confronted similar issue when I wanted to post image file to a rest API from Python  Not wechat API though   The solution for me was to use  data  parameter to post the file in binary data instead of  files    Requests API reference  data   open  your image png   rb   read   r   requests post your url data data    Hope this works for your case

User · Answer

From wechat api doc   curl -F media  test jpg  http   file api wechat com cgi-bin media upload access token ACCESS TOKEN amp type TYPE    Translate the command above to python   import requests url    http   file api wechat com cgi-bin media upload access token ACCESS TOKEN amp type TYPE  files     media   open  test jpg    rb    requests post url  files files

User · Answer

In case if you were to pass the image as part of JSON along with other attributes  you can use the below snippet  client py import base64 import json                      import requests  api    http   localhost 8080 test  image file    sample image png   with open image file   quot rb quot   as f      im bytes   f read           im b64   base64 b64encode im bytes  decode  quot utf8 quot    headers     Content-type    application json    Accept    text plain      payload   json dumps   quot image quot   im b64   quot other key quot    quot value quot    response   requests post api  data payload  headers headers  try      data   response json            print data                  except requests exceptions RequestException      print response text   server py import io import json                     import base64                   import logging              import numpy as np from PIL import Image  from flask import Flask  request  jsonify  abort  app   Flask   name              app logger setLevel logging DEBUG         app route  quot  test quot   methods   POST    def test method                   print request json            if not request json or  image  not in request json           abort 400                      get the base64 encoded string     im b64   request json  image          convert it into bytes       img bytes   base64 b64decode im b64 encode  utf-8           convert bytes data to PIL Image object     img   Image open io BytesIO img bytes          PIL image object to numpy array     img arr   np asarray img            print  img shape   img arr shape         process your img arr here                access other keys of json       print request json  other key         result dict     output    output key       return result dict       def run server api        app run host  0 0 0 0   port 8080        if   name       quot   main   quot            run server api

User · Answer

For Rest API to upload images from host to host   import urllib2 import requests  api host    https   host url com upload   headers     Content-Type     image jpeg   image url    http   image url com sample jpeg   img file   urllib2 urlopen image url   response   requests post api host  data img file read    headers headers  verify False    You can use option verify set to False to omit SSL verification for HTTPS requests

[python] Upload Image using POST form data in Python-requests

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