mirror of
https://github.com/wassname/optuna-dashboard.git
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78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
import io
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from typing import Any
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from typing import Callable
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from typing import Dict
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from typing import Iterable
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from typing import List
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from typing import Optional
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from typing import Tuple
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from typing import Union
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WSGIEnv = Dict[str, Any] # Cannot use TypedDict because of 'HTTP_' variables
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StartResponse = Callable[[str, List[Tuple[str, str]]], None]
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WSGIApp = Callable[[WSGIEnv, StartResponse], Iterable[bytes]]
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def create_wsgi_env(
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path: str,
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method: str,
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content_type: str,
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body: bytes,
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queries: Dict[str, str],
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headers: Dict[str, str],
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) -> WSGIEnv:
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# 'key1=value1&key2=value2'
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query_string = "&".join([f"{k}={v}" for k, v in queries.items()])
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# See https://www.python.org/dev/peps/pep-3333/#environ-variables
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env = {
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"PATH_INFO": path,
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"REQUEST_METHOD": method.upper(),
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"SCRIPT_NAME": "",
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"QUERY_STRING": query_string,
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"CONTENT_TYPE": content_type,
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"CONTENT_LENGTH": len(body),
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"SERVER_PROTOCOL": "http",
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"SERVER_NAME": "localhost",
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"wsgi.input": io.BytesIO(body),
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"wsgi.version": (1, 0),
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"wsgi.errors": io.StringIO(""),
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"wsgi.multithread": True,
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"wsgi.multiprocess": True,
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"wsgi.run_once": False,
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}
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for k, v in headers.items():
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env[f"HTTP_{k.upper()}"] = v
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return env
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def send_request(
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app: WSGIApp,
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path: str,
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method: str,
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body: Union[str, bytes] = b"",
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queries: Optional[Dict[str, str]] = None,
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headers: Optional[Dict[str, str]] = None,
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content_type: str = "text/plain; charset=utf-8",
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) -> Tuple[int, List[Tuple[str, str]], bytes]:
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status: str = ""
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response_headers: List[Tuple[str, str]] = []
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def start_response(status_: str, headers_: List[Tuple[str, str]]) -> None:
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nonlocal status, response_headers
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status = status_
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response_headers = headers_
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bytes_body = body if isinstance(body, bytes) else body.encode("utf-8")
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headers = headers or {}
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queries = queries or {}
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env = create_wsgi_env(path, method, content_type, bytes_body, queries, headers)
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body = b""
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iterable_body = app(env, start_response)
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for b in iterable_body:
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body += b
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status_code = int(status.split()[0])
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return status_code, response_headers, body
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