How to use Python to convert a web page to PDF with a POST request to SelectPdf Online API and save it on the disk (Python recipe) by SelectPdf

ActiveState Code (http://code.activestate.com/recipes/579126/)

# This code converts an url to pdf in Python using SelectPdf REST API through a POST request. 
# The parameters are JSON encoded.
# The content is saved into a file on the disk.

import json
import urllib2

api_endpoint = 'http://selectpdf.com/api2/convert/'
key = 'your license key here'
test_url = 'http://selectpdf.com'
local_file = 'test.pdf'

# parameters - add here any needed API parameter 
parameters = {
	'key': key,
	'url': test_url
}

requesturl = api_endpoint
print "Calling {0}\n".format(requesturl)

try:
	request = urllib2.Request(requesturl)
	request.add_header('Content-Type', 'application/json')
	result = urllib2.urlopen(request, json.dumps(parameters))
	localFile = open(local_file, 'wb')
	localFile.write(result.read())
	localFile.close()
	print "Test pdf document generated successfully!"
except urllib2.HTTPError as e:
	print "HTTP Response Code: {0}\nHTTP Response Message: {1}".format(e.code, e.reason)
except:
	print "An error occurred!"