146 lines
4.0 KiB
Python
146 lines
4.0 KiB
Python
import typing
|
|
from urllib.parse import urlsplit
|
|
|
|
from .decoders import IdentityDecoder
|
|
from .exceptions import ResponseClosed, StreamConsumed
|
|
|
|
|
|
class URL:
|
|
def __init__(self, url: str = "") -> None:
|
|
self.components = urlsplit(url)
|
|
if not self.components.scheme:
|
|
raise ValueError("No scheme included in URL.")
|
|
if self.components.scheme not in ("http", "https"):
|
|
raise ValueError('URL scheme must be "http" or "https".')
|
|
if not self.components.hostname:
|
|
raise ValueError("No hostname included in URL.")
|
|
|
|
@property
|
|
def scheme(self) -> str:
|
|
return self.components.scheme
|
|
|
|
@property
|
|
def netloc(self) -> str:
|
|
return self.components.netloc
|
|
|
|
@property
|
|
def path(self) -> str:
|
|
return self.components.path
|
|
|
|
@property
|
|
def query(self) -> str:
|
|
return self.components.query
|
|
|
|
@property
|
|
def hostname(self) -> str:
|
|
return self.components.hostname
|
|
|
|
@property
|
|
def port(self) -> int:
|
|
port = self.components.port
|
|
if port is None:
|
|
return {"https": 443, "http": 80}[self.scheme]
|
|
return port
|
|
|
|
@property
|
|
def target(self) -> str:
|
|
path = self.path or "/"
|
|
query = self.query
|
|
if query:
|
|
return path + "?" + query
|
|
return path
|
|
|
|
@property
|
|
def is_secure(self) -> bool:
|
|
return self.components.scheme == "https"
|
|
|
|
|
|
class Request:
|
|
def __init__(
|
|
self,
|
|
method: str,
|
|
url: URL,
|
|
*,
|
|
headers: typing.Sequence[typing.Tuple[bytes, bytes]] = (),
|
|
body: typing.Union[bytes, typing.AsyncIterator[bytes]] = b"",
|
|
):
|
|
self.method = method
|
|
self.url = url
|
|
self.headers = list(headers)
|
|
if isinstance(body, bytes):
|
|
self.is_streaming = False
|
|
self.body = body
|
|
else:
|
|
self.is_streaming = True
|
|
self.body_aiter = body
|
|
|
|
async def stream(self) -> typing.AsyncIterator[bytes]:
|
|
assert self.is_streaming
|
|
|
|
async for part in self.body_aiter:
|
|
yield part
|
|
|
|
|
|
class Response:
|
|
def __init__(
|
|
self,
|
|
status_code: int,
|
|
*,
|
|
headers: typing.Sequence[typing.Tuple[bytes, bytes]] = (),
|
|
body: typing.Union[bytes, typing.AsyncIterator[bytes]] = b"",
|
|
on_close: typing.Callable = None,
|
|
):
|
|
self.status_code = status_code
|
|
self.headers = list(headers)
|
|
self.on_close = on_close
|
|
self.is_closed = False
|
|
self.is_streamed = False
|
|
self.decoder = IdentityDecoder()
|
|
if isinstance(body, bytes):
|
|
self.is_closed = True
|
|
self.body = body
|
|
else:
|
|
self.body_aiter = body
|
|
|
|
async def read(self) -> bytes:
|
|
"""
|
|
Read and return the response content.
|
|
"""
|
|
if not hasattr(self, "body"):
|
|
body = b""
|
|
async for part in self.stream():
|
|
body += part
|
|
self.body = body
|
|
return self.body
|
|
|
|
async def stream(self) -> typing.AsyncIterator[bytes]:
|
|
"""
|
|
A byte-iterator over the decoded response content.
|
|
This will allow us to handle gzip, deflate, and brotli encoded responses.
|
|
"""
|
|
if hasattr(self, "body"):
|
|
yield self.body
|
|
else:
|
|
async for chunk in self.raw():
|
|
yield self.decoder.decode(chunk)
|
|
yield self.decoder.flush()
|
|
|
|
async def raw(self) -> typing.AsyncIterator[bytes]:
|
|
"""
|
|
A byte-iterator over the raw response content.
|
|
"""
|
|
if self.is_streamed:
|
|
raise StreamConsumed()
|
|
if self.is_closed:
|
|
raise ResponseClosed()
|
|
self.is_streamed = True
|
|
async for part in self.body_aiter:
|
|
yield part
|
|
await self.close()
|
|
|
|
async def close(self) -> None:
|
|
if not self.is_closed:
|
|
self.is_closed = True
|
|
if self.on_close is not None:
|
|
await self.on_close()
|