def transition(self, url, trans=None, parameters=None):
method = _http_method_map[trans]
if parameters and method == 'GET':
opts = {
'params': parameters,
'headers': {
'accept': ACCEPT_HEADER
}
}
elif parameters:
opts = {
'data': json.dumps(parameters),
'headers': {
'content-type': 'application/json',
'accept': ACCEPT_HEADER
}
}
else:
opts = {
'headers': {
'accept': ACCEPT_HEADER
}
}
response = requests.request(method, url, **opts)
if not response.content:
return None
content_type = response.headers.get('content-type')
codec = negotiate_decoder(content_type)
return codec.load(response.content, base_url=url)
def _decode_result(response, decoders=None):
"""
Given an HTTP response, return the decoded Core API document.
"""
if response.content:
# Content returned in response. We should decode it.
content_type = response.headers.get('content-type')
codec = negotiate_decoder(content_type, decoders=decoders)
result = codec.load(response.content, base_url=response.url)
else:
# No content returned in response.
result = None
# Coerce 4xx and 5xx codes into errors.
is_error = response.status_code >= 400 and response.status_code <= 599
if is_error and not isinstance(result, Error):
result = _coerce_to_error(result, default_title=response.reason)
return result
def load(bytestring, content_type=None):
codec = negotiate_decoder(content_type)
return codec.load(bytestring)
