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python-prior.tornado.rest.mustache Maven / Gradle / Ivy
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import io
import json
import logging
import re
# python 2 and python 3 compatibility library
from six.moves.urllib.parse import urlencode
import tornado
import tornado.gen
from tornado import httpclient
from urllib3.filepost import encode_multipart_formdata
from {{packageName}}.exceptions import ApiException, ApiValueError
logger = logging.getLogger(__name__)
class RESTResponse(io.IOBase):
def __init__(self, resp):
self.tornado_response = resp
self.status = resp.code
self.reason = resp.reason
if resp.body:
self.data = resp.body
else:
self.data = None
def getheaders(self):
"""Returns a CIMultiDictProxy of the response headers."""
return self.tornado_response.headers
def getheader(self, name, default=None):
"""Returns a given response header."""
return self.tornado_response.headers.get(name, default)
class RESTClientObject(object):
def __init__(self, configuration, pools_size=4, maxsize=4):
# maxsize is number of requests to host that are allowed in parallel
self.ca_certs = configuration.ssl_ca_cert
self.client_key = configuration.key_file
self.client_cert = configuration.cert_file
self.proxy_port = self.proxy_host = None
# https pool manager
if configuration.proxy:
self.proxy_port = 80
self.proxy_host = configuration.proxy
self.pool_manager = httpclient.AsyncHTTPClient()
@tornado.gen.coroutine
def request(self, method, url, query_params=None, headers=None, body=None,
post_params=None, _preload_content=True,
_request_timeout=None):
"""Execute Request
:param method: http request method
:param url: http request url
:param query_params: query parameters in the url
:param headers: http request headers
:param body: request json body, for `application/json`
:param post_params: request post parameters,
`application/x-www-form-urlencoded`
and `multipart/form-data`
:param _preload_content: this is a non-applicable field for
the AiohttpClient.
:param _request_timeout: timeout setting for this request. If one
number provided, it will be total request
timeout. It can also be a pair (tuple) of
(connection, read) timeouts.
"""
method = method.upper()
assert method in ['GET', 'HEAD', 'DELETE', 'POST', 'PUT',
'PATCH', 'OPTIONS']
if post_params and body:
raise ApiValueError(
"body parameter cannot be used with post_params parameter."
)
request = httpclient.HTTPRequest(url)
request.allow_nonstandard_methods = True
request.ca_certs = self.ca_certs
request.client_key = self.client_key
request.client_cert = self.client_cert
request.proxy_host = self.proxy_host
request.proxy_port = self.proxy_port
request.method = method
if headers:
request.headers = headers
if 'Content-Type' not in headers:
request.headers['Content-Type'] = 'application/json'
request.request_timeout = _request_timeout or 5 * 60
post_params = post_params or {}
if query_params:
request.url += '?' + urlencode(query_params)
# For `POST`, `PUT`, `PATCH`, `OPTIONS`, `DELETE`
if method in ['POST', 'PUT', 'PATCH', 'OPTIONS', 'DELETE']:
if re.search('json', headers['Content-Type'], re.IGNORECASE):
if body:
body = json.dumps(body)
request.body = body
elif headers['Content-Type'] == 'application/x-www-form-urlencoded': # noqa: E501
request.body = urlencode(post_params)
elif headers['Content-Type'] == 'multipart/form-data':
multipart = encode_multipart_formdata(post_params)
request.body, headers['Content-Type'] = multipart
# Pass a `bytes` parameter directly in the body to support
# other content types than Json when `body` argument is provided
# in serialized form
elif isinstance(body, bytes):
request.body = body
else:
# Cannot generate the request from given parameters
msg = """Cannot prepare a request message for provided
arguments. Please check that your arguments match
declared content type."""
raise ApiException(status=0, reason=msg)
r = yield self.pool_manager.fetch(request, raise_error=False)
if _preload_content:
r = RESTResponse(r)
# log response body
logger.debug("response body: %s", r.data)
if not 200 <= r.status <= 299:
raise ApiException(http_resp=r)
raise tornado.gen.Return(r)
@tornado.gen.coroutine
def GET(self, url, headers=None, query_params=None, _preload_content=True,
_request_timeout=None):
result = yield self.request("GET", url,
headers=headers,
_preload_content=_preload_content,
_request_timeout=_request_timeout,
query_params=query_params)
raise tornado.gen.Return(result)
@tornado.gen.coroutine
def HEAD(self, url, headers=None, query_params=None, _preload_content=True,
_request_timeout=None):
result = yield self.request("HEAD", url,
headers=headers,
_preload_content=_preload_content,
_request_timeout=_request_timeout,
query_params=query_params)
raise tornado.gen.Return(result)
@tornado.gen.coroutine
def OPTIONS(self, url, headers=None, query_params=None, post_params=None,
body=None, _preload_content=True, _request_timeout=None):
result = yield self.request("OPTIONS", url,
headers=headers,
query_params=query_params,
post_params=post_params,
_preload_content=_preload_content,
_request_timeout=_request_timeout,
body=body)
raise tornado.gen.Return(result)
@tornado.gen.coroutine
def DELETE(self, url, headers=None, query_params=None, body=None,
_preload_content=True, _request_timeout=None):
result = yield self.request("DELETE", url,
headers=headers,
query_params=query_params,
_preload_content=_preload_content,
_request_timeout=_request_timeout,
body=body)
raise tornado.gen.Return(result)
@tornado.gen.coroutine
def POST(self, url, headers=None, query_params=None, post_params=None,
body=None, _preload_content=True, _request_timeout=None):
result = yield self.request("POST", url,
headers=headers,
query_params=query_params,
post_params=post_params,
_preload_content=_preload_content,
_request_timeout=_request_timeout,
body=body)
raise tornado.gen.Return(result)
@tornado.gen.coroutine
def PUT(self, url, headers=None, query_params=None, post_params=None,
body=None, _preload_content=True, _request_timeout=None):
result = yield self.request("PUT", url,
headers=headers,
query_params=query_params,
post_params=post_params,
_preload_content=_preload_content,
_request_timeout=_request_timeout,
body=body)
raise tornado.gen.Return(result)
@tornado.gen.coroutine
def PATCH(self, url, headers=None, query_params=None, post_params=None,
body=None, _preload_content=True, _request_timeout=None):
result = yield self.request("PATCH", url,
headers=headers,
query_params=query_params,
post_params=post_params,
_preload_content=_preload_content,
_request_timeout=_request_timeout,
body=body)
raise tornado.gen.Return(result)
