Merge pull request #24 from Textualize/add-web-interface

web interface

Author: willmcgugan

src/textual_web/cli.py

@@ -92,6 +92,7 @@ def print_disclaimer() -> None:
     default=0,
     help="Exit textual-web when no apps have been launched in WAIT seconds",
 )
+@click.option("-w", "--web-interface", is_flag=True, help="Enable web interface")
 @click.option("-s", "--signup", is_flag=True, help="Create a textual-web account.")
 @click.option("--welcome", is_flag=True, help="Launch an example app.")
 @click.option("--merlin", is_flag=True, help="Launch Merlin game.")
@@ -102,6 +103,7 @@ def app(
     dev: bool,
     terminal: bool,
     exit_on_idle: int,
+    web_interface: bool,
     api_key: str,
     signup: bool,
     welcome: bool,
@@ -185,6 +187,7 @@ def app(
         api_key=api_key or None,
         devtools=dev,
         exit_on_idle=exit_on_idle,
+        web_interface=web_interface,
     )
 
     for app_command in run:

src/textual_web/exit_poller.py

@@ -5,7 +5,7 @@
 from time import monotonic
 from typing import TYPE_CHECKING
 
-EXIT_POLL_RATE = 15
+EXIT_POLL_RATE = 5
 
 log = logging.getLogger("textual-web")
 

src/textual_web/ganglion_client.py

@@ -31,6 +31,8 @@
 from .session import SessionConnector
 from .session_manager import SessionManager
 from .types import Meta, RouteKey, SessionID
+from .web import run_web_interface
+
 
 if TYPE_CHECKING:
     from .config import Config
@@ -78,10 +80,12 @@ def __init__(
         api_key: str | None,
         devtools: bool = False,
         exit_on_idle: int = 0,
+        web_interface: bool = False,
     ) -> None:
         self.environment = environment
         self.websocket_url = environment.url
         self.exit_on_idle = exit_on_idle
+        self.web_interface = web_interface
 
         abs_path = Path(config_path).absolute()
         path = abs_path if abs_path.is_dir() else abs_path.parent
@@ -165,6 +169,7 @@ def decode_envelope(
 
     async def run(self) -> None:
         """Run the connection loop."""
+
         try:
             self._exit_poller.start()
             await self._run()
@@ -201,7 +206,15 @@ def exit_handler(signal_handler, stack_frame) -> None:
             self._poller.set_loop(loop)
             self._poller.start()
 
-        self._task = asyncio.create_task(self.connect())
+        if self.web_interface:
+            app = await run_web_interface()
+            try:
+                self._task = asyncio.create_task(self.connect())
+            finally:
+                await app.shutdown()
+        else:
+            self._task = asyncio.create_task(self.connect())
+
         await self._task
 
     def force_exit(self) -> None:

src/textual_web/web.py

@@ -0,0 +1,30 @@
+"""
+An optional web interface to control textual-web
+
+Note: Currently just a stub.
+
+"""
+
+import logging
+
+from aiohttp import web
+
+
+log = logging.getLogger("textual-web")
+
+
+async def run_web_interface() -> web.Application:
+    """Run the web interface."""
+
+    async def health_check(request) -> web.Response:
+        return web.Response(text="Hello, world")
+
+    app = web.Application()
+    app.add_routes([web.get("/health-check/", health_check)])
+
+    runner = web.AppRunner(app)
+    await runner.setup()
+    site = web.TCPSite(runner, "0.0.0.0", 8080)
+    await site.start()
+    log.info("Web interface started on port 8080")
+    return app