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_httprequests.py
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183 lines (160 loc) · 6.12 KB
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import logging
from feldera.rest.config import Config
from feldera.rest.errors import (
FelderaAPIError,
FelderaTimeoutError,
FelderaCommunicationError,
)
import json
import requests
from typing import Callable, Optional, Any, Union, Mapping, Sequence, List
def json_serialize(body: Any) -> str:
# serialize as string if this object cannot be serialized (e.g. UUID)
return json.dumps(body, default=str) if body else "" if body == "" else "null"
class HttpRequests:
def __init__(self, config: Config) -> None:
self.config = config
self.headers = {"User-Agent": "feldera-python-sdk/v1"}
if self.config.api_key:
self.headers["Authorization"] = f"Bearer {self.config.api_key}"
def send_request(
self,
http_method: Callable,
path: str,
body: Optional[
Union[Mapping[str, Any], Sequence[Mapping[str, Any]], List[str], str]
] = None,
content_type: str = "application/json",
params: Optional[Mapping[str, Any]] = None,
stream: bool = False,
serialize: bool = True,
) -> Any:
"""
:param http_method: The HTTP method to use. Takes the equivalent `requests.*` module. (Example: `requests.get`)
:param path: The path to send the request to.
:param body: The HTTP request body.
:param content_type: The value for `Content-Type` HTTP header. "application/json" by default.
:param params: The query parameters part of this request.
:param stream: True if the response is expected to be a HTTP stream.
:param serialize: True if the body needs to be serialized to JSON.
"""
self.headers["Content-Type"] = content_type
try:
timeout = self.config.timeout
headers = self.headers
request_path = self.config.url + "/" + self.config.version + path
logging.debug(
"sending %s request to: %s with headers: %s, and params: %s",
http_method.__name__,
request_path,
str(headers),
str(params),
)
if http_method.__name__ == "get":
request = http_method(
request_path,
timeout=timeout,
headers=headers,
params=params,
stream=stream,
)
elif isinstance(body, bytes):
request = http_method(
request_path,
timeout=timeout,
headers=headers,
data=body,
params=params,
stream=stream,
)
else:
request = http_method(
request_path,
timeout=timeout,
headers=headers,
data=json_serialize(body) if serialize else body,
params=params,
stream=stream,
)
resp = self.__validate(request, stream=stream)
logging.debug("got response: %s", str(resp))
return resp
except requests.exceptions.Timeout as err:
raise FelderaTimeoutError(str(err)) from err
except requests.exceptions.ConnectionError as err:
raise FelderaCommunicationError(str(err)) from err
def get(
self,
path: str,
params: Optional[Mapping[str, Any]] = None,
stream: bool = False,
) -> Any:
return self.send_request(requests.get, path, params=params, stream=stream)
def post(
self,
path: str,
body: Optional[
Union[Mapping[str, Any], Sequence[Mapping[str, Any]], List[str], str]
] = None,
content_type: Optional[str] = "application/json",
params: Optional[Mapping[str, Any]] = None,
stream: bool = False,
serialize: bool = True,
) -> Any:
return self.send_request(
requests.post,
path,
body,
content_type,
params,
stream=stream,
serialize=serialize,
)
def patch(
self,
path: str,
body: Optional[
Union[Mapping[str, Any], Sequence[Mapping[str, Any]], List[str], str]
] = None,
content_type: Optional[str] = "application/json",
params: Optional[Mapping[str, Any]] = None,
) -> Any:
return self.send_request(requests.patch, path, body, content_type, params)
def put(
self,
path: str,
body: Optional[
Union[Mapping[str, Any], Sequence[Mapping[str, Any]], List[str], str]
] = None,
content_type: Optional[str] = "application/json",
params: Optional[Mapping[str, Any]] = None,
) -> Any:
return self.send_request(requests.put, path, body, content_type, params)
def delete(
self,
path: str,
body: Optional[
Union[Mapping[str, Any], Sequence[Mapping[str, Any]], List[str]]
] = None,
params: Optional[Mapping[str, Any]] = None,
) -> Any:
return self.send_request(requests.delete, path, body, params=params)
@staticmethod
def __to_json(request: requests.Response) -> Any:
if request.content == b"":
return request
return request.json()
@staticmethod
def __validate(request: requests.Response, stream=False) -> Any:
try:
request.raise_for_status()
if stream:
return request
if request.headers.get("content-type") == "text/plain":
return request.text
elif request.headers.get("content-type") == "application/octet-stream":
return request.content
resp = HttpRequests.__to_json(request)
return resp
except requests.exceptions.HTTPError as err:
raise FelderaAPIError(str(err), request) from err