Chilkat2-Python

URL Encoding Charset in POST Query Params

See more HTTP Examples

Demonstrates how to control the URL encoding charset in POST query params. Chilkat2-Python

import sys
import chilkat2

success = False

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# We have the string "MÆRSK".
nameWin1252Encoded = "M%E6RSK"

sb = chilkat2.StringBuilder()
success = sb.DecodeAndAppend(nameWin1252Encoded,"url","windows-1252")

http = chilkat2.Http()

# We're setting the session log filename so we can see the exact request sent.
http.SessionLogFilename = "qa_output/sessionLog.txt"

# First demonstrate a simple application/x-www-form-urlencoded POST

req = chilkat2.HttpRequest()

# Set the Charset = "utf-8" to cause URL encoding to use utf-8.
req.Charset = "utf-8"

req.AddParam("name",sb.GetAsString())

req.HttpVerb = "POST"
req.ContentType = "application/x-www-form-urlencoded"

resp = chilkat2.HttpResponse()
success = http.HttpReq("https://www.chilkatsoft.com/something",req,resp)
if (success == False):
    print(http.LastErrorText)
    sys.exit()

# This is the request that is sent:
# Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

# 	POST /something HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: application/x-www-form-urlencoded
# 	Content-Length: 15
# 
# 	name=M%C3%A6RSK

# ---------------------------------------------------------------
# Switch to windows-1252

req.Charset = "windows-1252"
req.HttpVerb = "POST"
req.ContentType = "application/x-www-form-urlencoded"

success = http.HttpReq("https://www.chilkatsoft.com/something",req,resp)
if (success == False):
    print(http.LastErrorText)
    sys.exit()

# This is the request that is sent:
# Notice that windows-1252 is used in the query param (the letter 'Æ' is %E6)

# 	POST /something HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: application/x-www-form-urlencoded
# 	Content-Length: 12
# 
# 	name=M%E6RSK

# ---------------------------------------------------------------
# Let's do the same with HttpSReq, switching back to utf-8

req.Path = "/something"
req.HttpVerb = "POST"
req.ContentType = "application/x-www-form-urlencoded"

req.Charset = "utf-8"
success = http.HttpSReq("www.chilkatsoft.com",443,True,req,resp)
if (success == False):
    print(http.LastErrorText)
    sys.exit()

# This is the request that is sent:
# Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

# 	POST /something HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: application/x-www-form-urlencoded
# 	Content-Length: 15
# 
# 	name=M%C3%A6RSK

# ---------------------------------------------------------------
# Let's do a POST with XML body where the query params are in the HTTP request start line, 
# and the Content-Type is text/xml where the body of the request is XML.

req.Path = "/something"
req.HttpVerb = "POST"
req.ContentType = "text/xml"
success = req.LoadBodyFromString("<test>123</test>","utf-8")
req.Charset = "utf-8"

# Remember... our request object still contains the query param added in the above call to AddParam.
success = http.HttpSReq("www.chilkatsoft.com",443,True,req,resp)
if (success == False):
    print(http.LastErrorText)
    sys.exit()

# This is the request that is sent:
# Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

# 	POST /something?name=M%C3%A6RSK HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: text/xml
# 	Content-Length: 16
# 
# 	<test>123</test>