structure saas with tools

.venv/lib/python3.10/site-packages/httpx_sse/_api.py

@@ -0,0 +1,70 @@
+from contextlib import asynccontextmanager, contextmanager
+from typing import Any, AsyncIterator, Iterator
+
+import httpx
+
+from ._decoders import SSEDecoder
+from ._exceptions import SSEError
+from ._models import ServerSentEvent
+
+
+class EventSource:
+    def __init__(self, response: httpx.Response) -> None:
+        self._response = response
+
+    def _check_content_type(self) -> None:
+        content_type = self._response.headers.get("content-type", "").partition(";")[0]
+        if "text/event-stream" not in content_type:
+            raise SSEError(
+                "Expected response header Content-Type to contain 'text/event-stream', "
+                f"got {content_type!r}"
+            )
+
+    @property
+    def response(self) -> httpx.Response:
+        return self._response
+
+    def iter_sse(self) -> Iterator[ServerSentEvent]:
+        self._check_content_type()
+        decoder = SSEDecoder()
+        for line in self._response.iter_lines():
+            line = line.rstrip("\n")
+            sse = decoder.decode(line)
+            if sse is not None:
+                yield sse
+
+    async def aiter_sse(self) -> AsyncIterator[ServerSentEvent]:
+        self._check_content_type()
+        decoder = SSEDecoder()
+        async for line in self._response.aiter_lines():
+            line = line.rstrip("\n")
+            sse = decoder.decode(line)
+            if sse is not None:
+                yield sse
+
+
+@contextmanager
+def connect_sse(
+    client: httpx.Client, method: str, url: str, **kwargs: Any
+) -> Iterator[EventSource]:
+    headers = kwargs.pop("headers", {})
+    headers["Accept"] = "text/event-stream"
+    headers["Cache-Control"] = "no-store"
+
+    with client.stream(method, url, headers=headers, **kwargs) as response:
+        yield EventSource(response)
+
+
+@asynccontextmanager
+async def aconnect_sse(
+    client: httpx.AsyncClient,
+    method: str,
+    url: str,
+    **kwargs: Any,
+) -> AsyncIterator[EventSource]:
+    headers = kwargs.pop("headers", {})
+    headers["Accept"] = "text/event-stream"
+    headers["Cache-Control"] = "no-store"
+
+    async with client.stream(method, url, headers=headers, **kwargs) as response:
+        yield EventSource(response)