def send_request(
self,
config,
sign_function,
response_handler_functions,
http_method, path, body, headers, params, special=False):
"""
Send request to BCE services.
:param config
:type config: baidubce.BceClientConfiguration
:param sign_function:
:param response_handler_functions:
:type response_handler_functions: list
:param request:
:type request: baidubce.internal.InternalRequest
:return:
:rtype: baidubce.BceResponse
"""
t = int(time.time())
_logger.debug('%s request start: %s %s, %s, %s, %d',
http_method, path, headers, params, body, t)
headers = headers or {}
user_agent = 'bce-sdk-python/%s/%s/%s' % (
baidubce.SDK_VERSION, sys.version, sys.platform)
user_agent = user_agent.replace('\n', '')
headers[http_headers.USER_AGENT] = user_agent
should_get_new_date = False
headers[http_headers.HOST] = config.endpoint
if isinstance(body, str):
body = body.encode(baidubce.DEFAULT_ENCODING)
if not body:
headers[http_headers.CONTENT_LENGTH] = 0
elif isinstance(body, str):
headers[http_headers.CONTENT_LENGTH] = len(body)
elif http_headers.CONTENT_LENGTH not in headers:
raise ValueError('No %s is specified.' % http_headers.CONTENT_LENGTH)
offset = None
if hasattr(body, "tell") and hasattr(body, "seek"):
offset = body.tell()
protocol, host, port = utils.parse_host_port(config.endpoint, config.protocol)
path = quote(path)
headers[http_headers.HOST] = host
if port != config.protocol.default_port:
headers[http_headers.HOST] += ':' + str(port)
headers[http_headers.AUTHORIZATION] = sign_function(
config.credentials, http_method, path, headers, params,
headers_to_sign=["host", "content-type"])
encoded_params = utils.get_canonical_querystring(params, False)
if len(encoded_params) > 0:
uri = path + '?' + encoded_params
else:
uri = path
bce_http_client.check_headers(headers)
retries_attempted = 0
errors = []
while True:
conn = None
try:
if should_get_new_date is True:
headers[http_headers.BCE_DATE] = utils.get_canonical_time()
headers[http_headers.AUTHORIZATION] = sign_function(
config.credentials, http_method, path, headers, params,
headers_to_sign=["host", "content-type"])
if retries_attempted > 0 and offset is not None:
body.seek(offset)
conn = bce_http_client._get_connection(protocol, host,
port, config.connection_timeout_in_mills)
http_response = bce_http_client._send_http_request(
conn, http_method, uri, headers, body, config.send_buf_size)
headers_list = http_response.getheaders()
_logger.debug(
'request return: status=%d, headers=%s' % (http_response.status, headers_list))
if special:
return http_response
response = bce_http_client.BceResponse()
response.set_metadata_from_headers(dict(headers_list))
for handler_function in response_handler_functions:
if handler_function(http_response, response):
break
return response
except Exception as e:
if conn is not None:
conn.close()
# insert ">>>>" before all trace back lines and then save it
errors.append('\n'.join('>>>>' + line for line in traceback.format_exc().
splitlines()))
if config.retry_policy.should_retry(e, retries_attempted):
delay_in_millis = config.retry_policy.get_delay_before_next_retry_in_millis(
e, retries_attempted)
time.sleep(delay_in_millis / 1000.0)
else:
raise bce_http_client.BceHttpClientError('Unable to execute HTTP request. '
'Retried %d times. All trace backs:\n'
'%s' % (retries_attempted,
'\n'.join(errors)), e)
def send_request(self,
config,
sign_function,
response_handler_functions,
http_method,
path,
body,
headers,
params,
special=False):
"""
Send request to BCE services.
:param config
:type config: baidubce.BceClientConfiguration
:param sign_function:
:param response_handler_functions:
:type response_handler_functions: list
:param request:
:type request: baidubce.internal.InternalRequest
:return:
:rtype: baidubce.BceResponse
"""
t = int(time.time())
_logger.debug(b'%s request start: %s %s, %s, %s, %d', http_method,
path, headers, params, body, t)
headers = headers or {}
if config.security_token is not None:
headers[http_headers.STS_SECURITY_TOKEN] = config.security_token
headers_to_sign = [b"host", b"content-length", b"content-type"]
should_get_new_date = False
if http_headers.BCE_DATE not in headers:
should_get_new_date = True
headers[http_headers.HOST] = config.endpoint
for k in headers:
k_lower = k.strip().lower()
if k_lower.startswith(http_headers.BCE_PREFIX):
headers_to_sign.append(k_lower)
user_agent = 'bce-sdk-python/%s/%s/%s' % (compat.convert_to_string(
baidubce.SDK_VERSION), sys.version, sys.platform)
user_agent = user_agent.replace('\n', '')
user_agent = compat.convert_to_bytes(user_agent)
headers[http_headers.USER_AGENT] = user_agent
body = compat.convert_to_bytes(body)
if not body:
headers[http_headers.CONTENT_LENGTH] = 0
elif isinstance(body, bytes):
headers[http_headers.CONTENT_LENGTH] = len(body)
elif http_headers.CONTENT_LENGTH not in headers:
raise ValueError(b'No %s is specified.' %
http_headers.CONTENT_LENGTH)
# store the offset of fp body
offset = None
if hasattr(body, "tell") and hasattr(body, "seek"):
offset = body.tell()
protocol, host, port = utils.parse_host_port(config.endpoint,
config.protocol)
path = quote(path)
headers[http_headers.HOST] = host
if port != config.protocol.default_port:
headers[http_headers.HOST] += b':' + compat.convert_to_bytes(port)
path = compat.convert_to_bytes(path)
headers[http_headers.AUTHORIZATION] = sign_function(
config.credentials,
http_method,
path,
headers,
params,
headers_to_sign=headers_to_sign)
encoded_params = utils.get_canonical_querystring(params, False)
if len(encoded_params) > 0:
uri = path + b'?' + encoded_params
else:
uri = path
bce_http_client.check_headers(headers)
retries_attempted = 0
errors = []
while True:
conn = None
try:
if should_get_new_date is True:
headers[http_headers.BCE_DATE] = utils.get_canonical_time()
headers_to_sign.append(http_headers.BCE_DATE)
headers[http_headers.AUTHORIZATION] = sign_function(
config.credentials,
http_method,
path,
headers,
params,
headers_to_sign=headers_to_sign)
if retries_attempted > 0 and offset is not None:
body.seek(offset)
conn = bce_http_client._get_connection(
protocol, host, port, config.connection_timeout_in_mills)
_logger.debug(
'request args:method=%s, uri=%s, headers=%s,patams=%s, body=%s',
http_method, uri, headers, params, body)
http_response = bce_http_client._send_http_request(
conn, http_method, uri, headers, body,
config.send_buf_size)
headers_list = http_response.getheaders()
# on py3 ,values of headers_list is decoded with ios-8859-1 from
# utf-8 binary bytes
# headers_list[*][0] is lowercase on py2
# headers_list[*][0] is raw value py3
if compat.PY3 and isinstance(headers_list, list):
temp_heads = []
for k, v in headers_list:
k = k.encode('latin-1').decode('utf-8')
v = v.encode('latin-1').decode('utf-8')
k = k.lower()
temp_heads.append((k, v))
headers_list = temp_heads
_logger.debug('request return: status=%d, headers=%s' %
(http_response.status, headers_list))
# cfc invoke return doesn't have to be json
if special:
return http_response
response = bce_http_client.BceResponse()
response.set_metadata_from_headers(dict(headers_list))
for handler_function in response_handler_functions:
if handler_function(http_response, response):
break
return response
except Exception as e:
if conn is not None:
conn.close()
# insert ">>>>" before all trace back lines and then save it
errors.append('\n'.join(
'>>>>' + line
for line in traceback.format_exc().splitlines()))
if config.retry_policy.should_retry(e, retries_attempted):
delay_in_millis = config.retry_policy.get_delay_before_next_retry_in_millis(
e, retries_attempted)
time.sleep(delay_in_millis / 1000.0)
else:
raise bce_http_client.BceHttpClientError(
'Unable to execute HTTP request. '
'Retried %d times. All trace backs:\n'
'%s' % (retries_attempted, '\n'.join(errors)), e)
retries_attempted += 1