Documents auth in the guides, in the view API page, and also types the Blocks.config object (#8720)

* auth docs

* changes

* add changeset

* add changeset

* add changeset

* type

* changes

* snippets

* import

* add changeset

* changes

* fix typing

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>

.changeset/witty-pugs-beg.md

@@ -0,0 +1,7 @@
+---
+"@gradio/app": patch
+"@gradio/client": patch
+"gradio": patch
+---
+
+fix:Documents auth in the guides, in the view API page, and also types the Blocks.config object 

client/js/src/types.ts

@@ -153,7 +153,7 @@ export type SpaceStatusCallback = (a: SpaceStatus) => void;
 // Configuration and Response Types
 // --------------------------------
 export interface Config {
-	auth_required: boolean;
+	auth_required?: true;
 	analytics_enabled: boolean;
 	connect_heartbeat: boolean;
 	auth_message: string;
@@ -181,6 +181,7 @@ export interface Config {
 	protocol: "sse_v3" | "sse_v2.1" | "sse_v2" | "sse_v1" | "sse" | "ws";
 	max_file_size?: number;
 	theme_hash?: number;
+	username: string | null;
 }
 
 // todo: DRY up types

globals.d.ts

@@ -16,7 +16,7 @@ declare global {
 }
 
 export interface Config {
-	auth_required: boolean;
+	auth_required?: true;
 	auth_message: string;
 	components: any[];
 	css: string | null;
@@ -41,4 +41,5 @@ export interface Config {
 	is_space: boolean;
 	protocol: "ws" | "sse" | "sse_v1" | "sse_v2" | "sse_v2.1" | "sse_v3";
 	theme_hash?: number;
+	username: string | null;
 }

gradio/blocks.py

@@ -47,7 +47,7 @@ from gradio.context import (
     get_render_context,
     set_render_context,
 )
-from gradio.data_classes import FileData, GradioModel, GradioRootModel
+from gradio.data_classes import BlocksConfigDict, FileData, GradioModel, GradioRootModel
 from gradio.events import (
     EventData,
     EventListener,
@@ -1024,7 +1024,7 @@ class Blocks(BlockContext, BlocksEvents, metaclass=BlocksMeta):
         self.predict = None
         self.input_components = None
         self.output_components = None
-        self.__name__ = None
+        self.__name__ = None  # type: ignore
         self.api_mode = None
 
         self.progress_tracking = None
@@ -1082,7 +1082,7 @@ class Blocks(BlockContext, BlocksEvents, metaclass=BlocksMeta):
     @classmethod
     def from_config(
         cls,
-        config: dict,
+        config: BlocksConfigDict,
         fns: list[Callable],
         proxy_url: str,
     ) -> Blocks:
@@ -1978,8 +1978,8 @@ Received outputs:
     def get_config(self):
         return {"type": "column"}
 
-    def get_config_file(self):
-        config = {
+    def get_config_file(self) -> BlocksConfigDict:
+        config: BlocksConfigDict = {
             "version": routes.VERSION,
             "mode": self.mode,
             "app_id": self.app_id,
@@ -2015,7 +2015,7 @@ Received outputs:
             "fill_height": self.fill_height,
             "theme_hash": self.theme_hash,
         }
-        config.update(self.default_config.get_config())
+        config.update(self.default_config.get_config())  # type: ignore
         config["connect_heartbeat"] = utils.connect_heartbeat(
             config, self.blocks.values()
         )

gradio/data_classes.py

@@ -8,10 +8,11 @@ import secrets
 import shutil
 from abc import ABC, abstractmethod
 from enum import Enum, auto
-from typing import TYPE_CHECKING, Any, List, Optional, Tuple, TypedDict, Union
+from typing import TYPE_CHECKING, Any, List, Literal, Optional, Tuple, TypedDict, Union
 
 from fastapi import Request
 from gradio_client.utils import traverse
+from typing_extensions import NotRequired
 
 from . import wasm_utils
 
@@ -288,3 +289,45 @@ class _StaticFiles:
     @classmethod
     def clear(cls):
         cls.all_paths = []
+
+
+class BodyCSS(TypedDict):
+    body_background_fill: str
+    body_text_color: str
+    body_background_fill_dark: str
+    body_text_color_dark: str
+
+
+class Layout(TypedDict):
+    id: int
+    children: list[int | Layout]
+
+
+class BlocksConfigDict(TypedDict):
+    version: str
+    mode: str
+    app_id: int
+    dev_mode: bool
+    analytics_enabled: bool
+    components: list[dict[str, Any]]
+    css: str | None
+    connect_heartbeat: bool
+    js: str | None
+    head: str | None
+    title: str
+    space_id: str | None
+    enable_queue: bool
+    show_error: bool
+    show_api: bool
+    is_colab: bool
+    max_file_size: int | None
+    stylesheets: list[str]
+    theme: str | None
+    protocol: Literal["ws", "sse", "sse_v1", "sse_v2", "sse_v2.1", "sse_v3"]
+    body_css: BodyCSS
+    fill_height: bool
+    theme_hash: str
+    layout: NotRequired[Layout]
+    dependencies: NotRequired[list[dict[str, Any]]]
+    root: NotRequired[str | None]
+    username: NotRequired[str | None]

gradio/external.py

@@ -464,7 +464,7 @@ def from_spaces_blocks(space: str, hf_token: str | None) -> Blocks:
             predict_fns.append(endpoint.make_end_to_end_fn(helper))
         else:
             predict_fns.append(None)
-    return gradio.Blocks.from_config(client.config, predict_fns, client.src)
+    return gradio.Blocks.from_config(client.config, predict_fns, client.src)  # type: ignore
 
 
 def from_spaces_interface(

gradio/route_utils.py

@@ -41,7 +41,7 @@ from starlette.responses import PlainTextResponse, Response
 from starlette.types import ASGIApp, Message, Receive, Scope, Send
 
 from gradio import processing_utils, utils
-from gradio.data_classes import PredictBody
+from gradio.data_classes import BlocksConfigDict, PredictBody
 from gradio.exceptions import Error
 from gradio.helpers import EventData
 from gradio.state_holder import SessionState
@@ -640,7 +640,7 @@ def move_uploaded_files_to_cache(files: list[str], destinations: list[str]) -> N
         shutil.move(file, dest)
 
 
-def update_root_in_config(config: dict, root: str) -> dict:
+def update_root_in_config(config: BlocksConfigDict, root: str) -> BlocksConfigDict:
     """
     Updates the root "key" in the config dictionary to the new root url. If the
     root url has changed, all of the urls in the config that correspond to component
@@ -649,7 +649,7 @@ def update_root_in_config(config: dict, root: str) -> dict:
     previous_root = config.get("root")
     if previous_root is None or previous_root != root:
         config["root"] = root
-        config = processing_utils.add_root_url(config, root, previous_root)
+        config = processing_utils.add_root_url(config, root, previous_root)  # type: ignore
     return config
 
 

gradio/routes.py

@@ -384,6 +384,7 @@ class App(FastAPI):
             if (app.auth is None and app.auth_dependency is None) or user is not None:
                 config = blocks.config
                 config = route_utils.update_root_in_config(config, root)
+                config["username"] = user
             elif app.auth_dependency:
                 raise HTTPException(
                     status_code=status.HTTP_401_UNAUTHORIZED, detail="Not authenticated"
@@ -440,6 +441,7 @@ class App(FastAPI):
                 request=request, route_path="/config", root_path=app.root_path
             )
             config = route_utils.update_root_in_config(config, root)
+            config["username"] = get_current_user(request)
             return ORJSONResponse(content=config)
 
         @app.get("/static/{path:path}")

gradio/utils.py

@@ -52,7 +52,7 @@ from typing_extensions import ParamSpec
 
 import gradio
 from gradio.context import get_blocks_context
-from gradio.data_classes import FileData
+from gradio.data_classes import BlocksConfigDict, FileData
 from gradio.exceptions import Error
 from gradio.strings import en
 
@@ -1363,11 +1363,21 @@ def _parse_file_size(size: str | int | None) -> int | None:
     return multiple * size_int
 
 
-def connect_heartbeat(config: dict[str, Any], blocks) -> bool:
+def connect_heartbeat(config: BlocksConfigDict, blocks) -> bool:
+    """
+    Determines whether a heartbeat is required for a given config.
+    """
     from gradio.components import State
 
     any_state = any(isinstance(block, State) for block in blocks)
     any_unload = False
+
+    if "dependencies" not in config:
+        raise ValueError(
+            "Dependencies not found in config. Cannot determine whether"
+            "heartbeat is required."
+        )
+
     for dep in config["dependencies"]:
         for target in dep["targets"]:
             if isinstance(target, (list, tuple)) and len(target) == 2:

guides/08_gradio-clients-and-lite/01_getting-started-with-the-python-client.md

@@ -88,6 +88,20 @@ from gradio_client import Client
 client = Client("https://bec81a83-5b5c-471e.gradio.live")
 ```
 
+## Connecting to a Gradio app with auth
+
+If the Gradio application you are connecting to [requires a username and password](/guides/sharing-your-app#authentication), then provide them as a tuple to the `auth` argument of the `Client` class:
+
+```python
+from gradio_client import Client
+
+Client(
+  space_name,
+  auth=[username, password]
+)
+```
+
+
 ## Inspecting the API endpoints
 
 Once you have connected to a Gradio app, you can view the APIs that are available to you by calling the `Client.view_api()` method. For the Whisper Space, we see the following:

guides/08_gradio-clients-and-lite/02_getting-started-with-the-js-client.md

@@ -111,6 +111,20 @@ import { Client } from "@gradio/client";
 const app = Client.connect("https://bec81a83-5b5c-471e.gradio.live");
 ```
 
+## Connecting to a Gradio app with auth
+
+If the Gradio application you are connecting to [requires a username and password](/guides/sharing-your-app#authentication), then provide them as a tuple to the `auth` argument of the `Client` class:
+
+```js
+import { Client } from "@gradio/client";
+
+Client.connect(
+  space_name,
+  { auth: [username, password] }
+)
+```
+
+
 ## Inspecting the API endpoints
 
 Once you have connected to a Gradio app, you can view the APIs that are available to you by calling the `Client`'s `view_api` method.

js/app/src/Blocks.svelte

@@ -44,6 +44,7 @@
 	export let js: string | null;
 	export let fill_height = false;
 	export let ready: boolean;
+	export let username: string | null;
 
 	const {
 		layout: _layout,
@@ -678,6 +679,7 @@
 				{app}
 				{space_id}
 				{api_calls}
+				{username}
 			/>
 		</div>
 	</div>

js/app/src/Index.svelte

@@ -7,7 +7,7 @@
 
 	declare let BUILD_MODE: string;
 	interface Config {
-		auth_required: boolean | undefined;
+		auth_required?: true;
 		auth_message: string;
 		components: ComponentMeta[];
 		css: string | null;
@@ -30,6 +30,7 @@
 		app_id?: string;
 		fill_height?: boolean;
 		theme_hash?: number;
+		username: string | null;
 	}
 
 	let id = -1;

js/app/src/api_docs/ApiDocs.svelte

@@ -23,6 +23,8 @@
 	export let app: Awaited<ReturnType<typeof Client.connect>>;
 	export let space_id: string | null;
 	export let root_node: ComponentMeta;
+	export let username: string | null;
+
 	const js_docs =
 		"https://www.gradio.app/guides/getting-started-with-the-js-client";
 	const py_docs =
@@ -142,6 +144,7 @@
 							{dependencies}
 							{root}
 							short_root={space_id || root}
+							{username}
 						/>
 						<p>
 							Note: Some API calls only affect the UI, so when using the
@@ -195,7 +198,7 @@
 							<p class="self-baseline">API Recorder</p>
 						</Button>
 						to automatically generate your API requests.
-						{#if current_language == "bash"}<br />&nbsp;<br />Note: making a
+						{#if current_language == "bash"}<br />&nbsp;<br />Making a
 							prediction and getting a result requires
 							<strong>2 requests</strong>: a
 							<code>POST</code>
@@ -204,7 +207,10 @@
 							<code>GET</code> request to fetch the results. In these snippets,
 							we've used <code>awk</code> and <code>read</code> to parse the
 							results, combining these two requests into one command for ease of
-							use. See <a href={bash_docs} target="_blank">curl docs</a>.
+							use. {#if username !== null}
+								Note: connecting to an authenticated app requires an additional
+								request.{/if} See
+							<a href={bash_docs} target="_blank">curl docs</a>.
 						{/if}
 
 						<!-- <span
@@ -228,6 +234,7 @@
 								{current_language}
 								{root}
 								{space_id}
+								{username}
 							/>
 
 							<ParametersSnippet

js/app/src/api_docs/CodeSnippet.svelte

@@ -20,7 +20,7 @@
 	export let space_id: string | null;
 	export let endpoint_parameters: any;
 	export let named: boolean;
-
+	export let username: string | null;
 	export let current_language: "python" | "javascript" | "bash";
 
 	let python_code: HTMLElement;
@@ -54,7 +54,7 @@
 							class="highlight">import</span
 						> Client{#if has_file_path}, handle_file{/if}
 
-client = Client(<span class="token string">"{space_id || root}"</span>)
+client = Client(<span class="token string">"{space_id || root}"</span>{#if username !== null}, auth=("{username}", **password**){/if})
 result = client.<span class="highlight">predict</span
 						>(<!--
 -->{#each endpoint_parameters as { python_type, example_input, parameter_name, parameter_has_default, parameter_default }, i}<!--
@@ -93,7 +93,7 @@ const example{component} = await response_{i}.blob();
 -->
 const client = await Client.connect(<span class="token string"
 							>"{space_id || root}"</span
-						>);
+						>{#if username !== null}, &lbrace;auth: ["{username}", **password**]&rbrace;{/if});
 const result = await client.predict({#if named}<span class="api-name"
 								>"/{dependency.api_name}"</span
 							>{:else}{dependency_index}{/if}, &lbrace; <!--

js/app/src/api_docs/RecordingSnippet.svelte

@@ -9,6 +9,7 @@
 	export let short_root: string;
 	export let root: string;
 	export let current_language: "python" | "javascript" | "bash";
+	export let username: string | null;
 
 	let python_code: HTMLElement;
 	let python_code_text: string;
@@ -133,7 +134,7 @@
 							class="highlight">import</span
 						> Client, file
 
-client = Client(<span class="token string">"{short_root}"</span>)
+client = Client(<span class="token string">"{short_root}"</span>{#if username !== null}, auth=("{username}", **password**){/if})
 {#each py_zipped as { call, api_name }}<!--
 -->
 client.<span class="highlight"
@@ -152,7 +153,7 @@ client.<span class="highlight"
 					<pre>import &lbrace; Client &rbrace; from "@gradio/client";
 
 const app = await Client.connect(<span class="token string">"{short_root}"</span
-						>);
+						>{#if username !== null}, &lbrace;auth: ["{username}", **password**]&rbrace;{/if});
 					{#each js_zipped as { call, api_name }}<!--
 					-->
 await client.predict(<span class="api-name">