httpie-cli/httpie/client.py
2015-02-28 17:02:05 +01:00

141 lines
3.9 KiB
Python

import json
import sys
from pprint import pformat
import requests
from requests.packages import urllib3
from httpie import sessions
from httpie import __version__
from httpie.compat import str
from httpie.plugins import plugin_manager
# https://urllib3.readthedocs.org/en/latest/security.html
urllib3.disable_warnings()
FORM = 'application/x-www-form-urlencoded; charset=utf-8'
JSON = 'application/json'
DEFAULT_UA = 'HTTPie/%s' % __version__
def get_requests_session():
requests_session = requests.Session()
for cls in plugin_manager.get_trasnsport_plugins():
transport_plugin = cls()
requests_session.mount(prefix=transport_plugin.prefix,
adapter=transport_plugin.get_adapter())
return requests_session
def get_response(args, config_dir):
"""Send the request and return a `request.Response`."""
requests_session = get_requests_session()
if not args.session and not args.session_read_only:
kwargs = get_requests_kwargs(args)
if args.debug:
dump_request(kwargs)
response = requests_session.request(**kwargs)
else:
response = sessions.get_response(
requests_session=requests_session,
args=args,
config_dir=config_dir,
session_name=args.session or args.session_read_only,
read_only=bool(args.session_read_only),
)
return response
def dump_request(kwargs):
sys.stderr.write('\n>>> requests.request(**%s)\n\n'
% pformat(kwargs))
def encode_headers(headers):
# This allows for unicode headers which is non-standard but practical.
# See: https://github.com/jakubroztocil/httpie/issues/212
return dict(
(name, value.encode('utf8') if isinstance(value, str) else value)
for name, value in headers.items()
)
def get_default_headers(args):
default_headers = {
'User-Agent': DEFAULT_UA
}
auto_json = args.data and not args.form
# FIXME: Accept is set to JSON with `http url @./file.txt`.
if args.json or auto_json:
default_headers['Accept'] = 'application/json'
if args.json or (auto_json and args.data):
default_headers['Content-Type'] = JSON
elif args.form and not args.files:
# If sending files, `requests` will set
# the `Content-Type` for us.
default_headers['Content-Type'] = FORM
return default_headers
def get_requests_kwargs(args, base_headers=None):
"""
Translate our `args` into `requests.request` keyword arguments.
"""
# Serialize JSON data, if needed.
data = args.data
auto_json = data and not args.form
if args.json or auto_json and isinstance(data, dict):
if data:
data = json.dumps(data)
else:
# We need to set data to an empty string to prevent requests
# from assigning an empty list to `response.request.data`.
data = ''
# Finalize headers.
headers = get_default_headers(args)
if base_headers:
headers.update(base_headers)
headers.update(args.headers)
headers = encode_headers(headers)
credentials = None
if args.auth:
auth_plugin = plugin_manager.get_auth_plugin(args.auth_type)()
credentials = auth_plugin.get_auth(args.auth.key, args.auth.value)
cert = None
if args.cert:
cert = args.cert
if args.cert_key:
cert = cert, args.cert_key
kwargs = {
'stream': True,
'method': args.method.lower(),
'url': args.url,
'headers': headers,
'data': data,
'verify': {
'yes': True,
'no': False
}.get(args.verify, args.verify),
'cert': cert,
'timeout': args.timeout,
'auth': credentials,
'proxies': dict((p.key, p.value) for p in args.proxy),
'files': args.files,
'allow_redirects': args.follow,
'params': args.params,
}
return kwargs