Python equivalent of PHP http_build_query

Question

Here is the PHP code that I want to write in Python.

<?php

$json = '{
  "targeting": [
    {
      "country": {
        "allow": [
            "US",
            "DE"
        ]
      },
      "region" : {
        "allow" : {
          "US" : [ 
              33
          ],
          "DE" : [ 
              10383
          ]
        }
      },
      "city": {
        "allow": {
          "US": [
            57
          ],
          "DE": [
            3324
          ]
        }
      },
      "os": {
        "allow": [
          {
            "name": "Android",
            "comparison": "GTE",
            "version": "2.3.1"
          },
          {
            "name": "Apple TV Software",
            "comparison": "EQ",
            "version": "4.4"
          },
          {
            "name": "Windows",
            "comparison": "EQ",
            "version": "Vista"
          }
        ]
      },
      "isp" : {
        "allow" : {
          "US" : [ 
              "Att"
          ],
          "DE" : [ 
              "Telekom"
          ]
        }
      },
      "ip": {
        "allow": [
          "11.12.13.0-17.18.19.22",
          "6.0.0.0",
          "10.0.0.0-10.0.0.2",
          "11.0.0.0/24"
        ]
      },
        "device_type": [
        "mobile"
      ],
      "browser": {
        "allow": [
          "Yandex.Browser for iOS",
          "SlimBrowser",
          "Edge Mobile"
        ]
      },
      "brand": {
        "allow": [
          "Smartbook Entertainment",
          "Walton",
          "PIPO"
        ]
      },
      "sub": {
        "allow": {
          "1": [
            "A",
            "B"
          ]
        },
        "deny": {
          "2": [
            "C",
            "D"
          ]
        },
        "deny_groups": [
          {
            "1": ""
          },
          {
            "1": "X",
            "2": "Y"
          }
        ]
      },
      "connection": [
        "wi-fi",
        "cellular"
      ],
      "block_proxy": true,
      "affiliate_id": [
        1
      ],
      "url": "http://test-url.com"
    }
  ]
}';

$arr = json_decode($json);

$postData = http_build_query($arr);
//POST SomeURLhere
echo urldecode($arr);

What I need is to send this json in this format

targeting[0][country][allow][]=TR
targeting[0][os][allow][][name]=iOS
targeting[1][country][allow][]=DE
targeting[1][os][allow][][name]=iOS

I guess I need to figure out how to use http_build_query in Python.

You tagged this question python, so people with knowledge of Python will come here. Not necessarily with PHP knowledge (me included) so maybe instead of phrasing this as a translation question, simply describe what you are trying to do. I personally have no idea what http_build_query does... — Tomerikoo
– Tomerikoo, Commented Dec 1, 2021 at 14:34
What it does is converting json to this format targeting[0][country][allow][0]=US&targeting[0][country][allow][1]=DE etc. — KKK
– KKK, Commented Dec 1, 2021 at 15:18

KKK · Accepted Answer · 2021-12-02 11:07:52Z

0

with referring this answer I found the solution.

from collections.abc import MutableMapping
from urllib.parse import urlencode, unquote

def flatten(dictionary, parent_key=False, separator='.', separator_suffix=''):
    """
    Turn a nested dictionary into a flattened dictionary
    :param dictionary: The dictionary to flatten
    :param parent_key: The string to prepend to dictionary's keys
    :param separator: The string used to separate flattened keys
    :return: A flattened dictionary
    """

    items = []
    for key, value in dictionary.items():
        new_key = str(parent_key) + separator + key + separator_suffix if parent_key else key
    if isinstance(value, MutableMapping):
        items.extend(flatten(value, new_key, separator, separator_suffix).items())
    elif isinstance(value, list) or isinstance(value, tuple):
        for k, v in enumerate(value):
            items.extend(flatten({str(k): v}, new_key, separator, separator_suffix).items())
    else:
        items.append((new_key, value))
return dict(items)


req = {'check': 'command', 'parameters': ({'parameter': '1', 'description': 
'2'}, {'parameter': '3', 'description': '4'})}
req = flatten(req, False, '[', ']')
query = urlencode(req)
query_parsed = unquote(query)
print(query)
print(query_parsed)

And the outputs:

check=command&parameters%5B0%5D%5Bparameter%5D=1&parameters%5B0%5D%5Bdescription%5D=2&parameters%5B1%5D%5Bparameter%5D=3&parameters%5B1%5D%5Bdescription%5D=4
check=command&parameters[0][parameter]=1&parameters[0][description]=2&parameters[1][parameter]=3&parameters[1][description]=4

answered Dec 2, 2021 at 11:07

KKK

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1 Comment

TheDude Over a year ago

Is this solution still working? The indentation of the last return statement is wrong obviously but still when fixing this little issue, I get not printed output. I now understood that you basically copy pasted the solution from the original post you mentioned but apparently introduced some issues in the code. Maybe you should fix that?

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