Si t'as une API, prend un curly!

curly.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# curly.py - Easily communicate with JSON APIs.
#
# TODO:
# - allow any http method
# - output equivalent curl command
# - allow http basic auth
#

from argparse import ArgumentParser
from urllib import urlencode
from urllib2 import build_opener, HTTPError

from pygments import highlight
from pygments.lexers import JsonLexer
from pygments.formatters import TerminalFormatter


COLOR_CODES = {
    'green': '\033[32m',
    'bgreen': '\033[1;32m',
    'bgrey': '\033[1;30m',
    'reset': '\033[0m'
}


def color(text, color):
    return COLOR_CODES[color]+text+COLOR_CODES['reset']

def extract_values(values, rtype=dict):
    exploded = map(lambda s: s.split('='), values)
    return rtype(exploded)


ap = ArgumentParser(description="Easily communicate with JSON APIs")
ap.add_argument(
    "url",
    help="API endpoint to hit",
    metavar="URL"
)
ap.add_argument(
    "--post",
    help="POST data to send with request",
    nargs="*",
    metavar="DATA"
)
ap.add_argument(
    "--headers",
    help="Headers to add to the request",
    nargs="*",
    metavar="HEADER"
)
args = ap.parse_args()

opener = build_opener()

if args.post is not None:
    args.post = urlencode(extract_values(args.post))
if args.headers is not None:
    args.headers = extract_values(args.headers, rtype=tuple)
    opener.addheaders = args.headers

try:
    resp = opener.open(args.url, data=args.post)
except HTTPError as err:
    resp = err

print color("----- REQUEST -----", "green")
print "URL:", color(args.url, "bgreen")
if args.post is not None:
    print "Data:", color(args.post, "bgreen")
if args.headers is not None:
    print "Headers:"
    for k, v in args.headers:
        print "  -", color("%s: %s" % (k, v), "bgreen")
print ""

print color("----- RESPONSE: %d -----" % resp.code, "green")
print resp.headers
print highlight(resp.read(), JsonLexer(), TerminalFormatter())