httpie-cli/httpie/httpie.py
2012-03-02 09:02:50 +01:00

196 lines
7.5 KiB
Python
Executable File

#!/usr/bin/env python
import os
import sys
import json
import argparse
from collections import namedtuple
import requests
from requests.structures import CaseInsensitiveDict
from . import pretty
from . import __version__ as version
from . import __doc__ as doc
DEFAULT_UA = 'HTTPie/%s' % version
SEP_COMMON = ':'
SEP_DATA = '='
TYPE_FORM = 'application/x-www-form-urlencoded; charset=utf-8'
TYPE_JSON = 'application/json; charset=utf-8'
KeyValue = namedtuple('KeyValue', ['key', 'value', 'sep'])
class KeyValueType(object):
def __init__(self, separators):
self.separators = separators
def __call__(self, string):
found = dict((string.find(sep), sep)
for sep in self.separators
if string.find(sep) != -1)
if not found:
raise argparse.ArgumentTypeError(
'"%s" is not a valid value' % string)
sep = found[min(found.keys())]
key, value = string.split(sep, 1)
return KeyValue(key=key, value=value, sep=sep)
parser = argparse.ArgumentParser(
description=doc.strip())
# Content type.
group_type = parser.add_mutually_exclusive_group(required=False)
group_type.add_argument('--json', '-j', action='store_true',
help='Serialize data items as a JSON object and set'
' Content-Type to application/json, if not specified.')
group_type.add_argument('--form', '-f', action='store_true',
help='Serialize data items as form values and set'
' Content-Type to application/x-www-form-urlencoded,'
' if not specified.')
# Output options.
parser.add_argument('--traceback', action='store_true', default=False,
help='Print a full exception traceback should one'
' be raised by `requests`.')
parser.add_argument('--ugly', '-u', help='Do not prettify the response.',
dest='prettify', action='store_false', default=True)
group_only = parser.add_mutually_exclusive_group(required=False)
group_only.add_argument('--headers', '-t', dest='print_body',
action='store_false', default=True,
help='Print only the response headers.')
group_only.add_argument('--body', '-b', dest='print_headers',
action='store_false', default=True,
help='Print only the response body.')
parser.add_argument('--style', '-s', dest='style', default='solarized', metavar='STYLE',
choices=pretty.AVAILABLE_STYLES,
help='Output coloring style, one of %s. Defaults to solarized.'
% ', '.join(sorted(pretty.AVAILABLE_STYLES)))
# ``requests.request`` keyword arguments.
parser.add_argument('--auth', '-a', help='username:password',
type=KeyValueType(SEP_COMMON))
parser.add_argument('--verify',
help='Set to "yes" to check the host\'s SSL certificate.'
' You can also pass the path to a CA_BUNDLE'
' file for private certs. You can also set '
'the REQUESTS_CA_BUNDLE environment variable.')
parser.add_argument('--proxy', default=[], action='append',
type=KeyValueType(SEP_COMMON),
help='String mapping protocol to the URL of the proxy'
' (e.g. http:foo.bar:3128).')
parser.add_argument('--allow-redirects', default=False, action='store_true',
help='Set this flag if full redirects are allowed'
' (e.g. re-POST-ing of data at new ``Location``)')
parser.add_argument('--file', metavar='PATH', type=argparse.FileType(),
default=[], action='append',
help='File to multipart upload')
parser.add_argument('--timeout', type=float,
help='Float describes the timeout of the request'
' (Use socket.setdefaulttimeout() as fallback).')
# Positional arguments.
parser.add_argument('method',
help='HTTP method to be used for the request'
' (GET, POST, PUT, DELETE, PATCH, ...).')
parser.add_argument('url', metavar='URL',
help='Protocol defaults to http:// if the'
' URL does not include it.')
parser.add_argument('items', metavar='item', nargs='*',
type=KeyValueType([SEP_COMMON, SEP_DATA]),
help='HTTP header (key:value) or data field (key=value)')
def main(args=None,
stdin=sys.stdin,
stdin_isatty=sys.stdin.isatty(),
stdout=sys.stdout,
stdout_isatty=sys.stdout.isatty()):
args = parser.parse_args(args if args is not None else sys.argv[1:])
# Parse request headers and data from the command line.
headers = CaseInsensitiveDict()
headers['User-Agent'] = DEFAULT_UA
data = {}
for item in args.items:
if item.sep == SEP_COMMON:
target = headers
else:
if not stdin_isatty:
parser.error('Request body (stdin) and request '
'data (key=value) cannot be mixed.')
target = data
target[item.key] = item.value
if not stdin_isatty:
data = stdin.read()
# JSON/Form content type.
if args.json or (not args.form and data):
if stdin_isatty:
data = json.dumps(data)
if 'Content-Type' not in headers and (data or args.json):
headers['Content-Type'] = TYPE_JSON
elif 'Content-Type' not in headers:
headers['Content-Type'] = TYPE_FORM
# Fire the request.
try:
response = requests.request(
method=args.method.lower(),
url=args.url if '://' in args.url else 'http://%s' % args.url,
headers=headers,
data=data,
verify=True if args.verify == 'yes' else args.verify,
timeout=args.timeout,
auth=(args.auth.key, args.auth.value) if args.auth else None,
proxies=dict((p.key, p.value) for p in args.proxy),
files=dict((os.path.basename(f.name), f) for f in args.file),
)
except (KeyboardInterrupt, SystemExit) as e:
sys.stderr.write('\n')
sys.exit(1)
except Exception as e:
if args.traceback:
raise
sys.stderr.write(str(e.message) + '\n')
sys.exit(1)
# Display the response.
encoding = response.encoding or 'ISO-8859-1'
original = response.raw._original_response
status_line, headers, body = (
'HTTP/{version} {status} {reason}'.format(
version='.'.join(str(original.version)),
status=original.status, reason=original.reason,
),
str(original.msg).decode(encoding),
response.content.decode(encoding) if response.content else u''
)
if args.prettify and stdout_isatty:
prettify = pretty.PrettyHttp(args.style)
if args.print_headers:
status_line = prettify.headers(status_line).strip()
headers = prettify.headers(headers)
if args.print_body and 'content-type' in response.headers:
body = prettify.body(body, response.headers['content-type'])
if args.print_headers:
stdout.write(status_line)
stdout.write('\n')
stdout.write(headers.encode('utf-8'))
stdout.write('\n\n')
if args.print_body:
stdout.write(body.encode('utf-8'))
stdout.write('\n')
if __name__ == '__main__':
main()