Regenerate SDK with Fern's latest Python generator (#199)

---------

Co-authored-by: Jay Vercellone <jay@pipedream.com>

Author: fern-api[bot]

poetry.lock

@@ -3,7 +3,7 @@ name = "pipedream"
 
 [tool.poetry]
 name = "pipedream"
-version = "1.0.9"
+version = "1.0.10"
 description = ""
 readme = "README.md"
 authors = []

pyproject.toml

@@ -27,10 +27,10 @@ def __init__(
 
     def get_headers(self) -> typing.Dict[str, str]:
         headers: typing.Dict[str, str] = {
-            "User-Agent": "pipedream/1.0.9",
+            "User-Agent": "pipedream/1.0.10",
             "X-Fern-Language": "Python",
             "X-Fern-SDK-Name": "pipedream",
-            "X-Fern-SDK-Version": "1.0.9",
+            "X-Fern-SDK-Version": "1.0.10",
             **(self.get_custom_headers() or {}),
         }
         if self._project_environment is not None:

src/pipedream/core/client_wrapper.py

@@ -0,0 +1,42 @@
+# This file was auto-generated by Fern from our API Definition.
+
+# isort: skip_file
+
+import typing
+from importlib import import_module
+
+if typing.TYPE_CHECKING:
+    from ._api import EventSource, aconnect_sse, connect_sse
+    from ._exceptions import SSEError
+    from ._models import ServerSentEvent
+_dynamic_imports: typing.Dict[str, str] = {
+    "EventSource": "._api",
+    "SSEError": "._exceptions",
+    "ServerSentEvent": "._models",
+    "aconnect_sse": "._api",
+    "connect_sse": "._api",
+}
+
+
+def __getattr__(attr_name: str) -> typing.Any:
+    module_name = _dynamic_imports.get(attr_name)
+    if module_name is None:
+        raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}")
+    try:
+        module = import_module(module_name, __package__)
+        if module_name == f".{attr_name}":
+            return module
+        else:
+            return getattr(module, attr_name)
+    except ImportError as e:
+        raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e
+    except AttributeError as e:
+        raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e
+
+
+def __dir__():
+    lazy_attrs = list(_dynamic_imports.keys())
+    return sorted(lazy_attrs)
+
+
+__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"]

src/pipedream/core/http_sse/__init__.py

@@ -0,0 +1,112 @@
+# This file was auto-generated by Fern from our API Definition.
+
+import re
+from contextlib import asynccontextmanager, contextmanager
+from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast
+
+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(
+                f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}"
+            )
+
+    def _get_charset(self) -> str:
+        """Extract charset from Content-Type header, fallback to UTF-8."""
+        content_type = self._response.headers.get("content-type", "")
+
+        # Parse charset parameter using regex
+        charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE)
+        if charset_match:
+            charset = charset_match.group(1).strip("\"'")
+            # Validate that it's a known encoding
+            try:
+                # Test if the charset is valid by trying to encode/decode
+                "test".encode(charset).decode(charset)
+                return charset
+            except (LookupError, UnicodeError):
+                # If charset is invalid, fall back to UTF-8
+                pass
+
+        # Default to UTF-8 if no charset specified or invalid charset
+        return "utf-8"
+
+    @property
+    def response(self) -> httpx.Response:
+        return self._response
+
+    def iter_sse(self) -> Iterator[ServerSentEvent]:
+        self._check_content_type()
+        decoder = SSEDecoder()
+        charset = self._get_charset()
+
+        buffer = ""
+        for chunk in self._response.iter_bytes():
+            # Decode chunk using detected charset
+            text_chunk = chunk.decode(charset, errors="replace")
+            buffer += text_chunk
+
+            # Process complete lines
+            while "\n" in buffer:
+                line, buffer = buffer.split("\n", 1)
+                line = line.rstrip("\r")
+                sse = decoder.decode(line)
+                # when we reach a "\n\n" => line = ''
+                # => decoder will attempt to return an SSE Event
+                if sse is not None:
+                    yield sse
+
+        # Process any remaining data in buffer
+        if buffer.strip():
+            line = buffer.rstrip("\r")
+            sse = decoder.decode(line)
+            if sse is not None:
+                yield sse
+
+    async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]:
+        self._check_content_type()
+        decoder = SSEDecoder()
+        lines = cast(AsyncGenerator[str, None], self._response.aiter_lines())
+        try:
+            async for line in lines:
+                line = line.rstrip("\n")
+                sse = decoder.decode(line)
+                if sse is not None:
+                    yield sse
+        finally:
+            await lines.aclose()
+
+
+@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)

src/pipedream/core/http_sse/_api.py

@@ -0,0 +1,61 @@
+# This file was auto-generated by Fern from our API Definition.
+
+from typing import List, Optional
+
+from ._models import ServerSentEvent
+
+
+class SSEDecoder:
+    def __init__(self) -> None:
+        self._event = ""
+        self._data: List[str] = []
+        self._last_event_id = ""
+        self._retry: Optional[int] = None
+
+    def decode(self, line: str) -> Optional[ServerSentEvent]:
+        # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation  # noqa: E501
+
+        if not line:
+            if not self._event and not self._data and not self._last_event_id and self._retry is None:
+                return None
+
+            sse = ServerSentEvent(
+                event=self._event,
+                data="\n".join(self._data),
+                id=self._last_event_id,
+                retry=self._retry,
+            )
+
+            # NOTE: as per the SSE spec, do not reset last_event_id.
+            self._event = ""
+            self._data = []
+            self._retry = None
+
+            return sse
+
+        if line.startswith(":"):
+            return None
+
+        fieldname, _, value = line.partition(":")
+
+        if value.startswith(" "):
+            value = value[1:]
+
+        if fieldname == "event":
+            self._event = value
+        elif fieldname == "data":
+            self._data.append(value)
+        elif fieldname == "id":
+            if "\0" in value:
+                pass
+            else:
+                self._last_event_id = value
+        elif fieldname == "retry":
+            try:
+                self._retry = int(value)
+            except (TypeError, ValueError):
+                pass
+        else:
+            pass  # Field is ignored.
+
+        return None

src/pipedream/core/http_sse/_decoders.py

@@ -0,0 +1,7 @@
+# This file was auto-generated by Fern from our API Definition.
+
+import httpx
+
+
+class SSEError(httpx.TransportError):
+    pass