svc/.gitignore

@@ -4,4 +4,3 @@
 .mypy_cache/
 __pycache__/
 *.py[co]
-/config.json

svc/src/hudctrl/api.py

@@ -1,5 +1,7 @@
 import io
 import logging
+import os
+from pathlib import Path
 from typing import Optional
 
 from PIL import Image
@@ -15,11 +17,16 @@ log = logging.getLogger(__name__)
 logging.basicConfig(level=logging.DEBUG)
 
 
+HUDCTRL_URLS_FILE = os.environ.get('HUDCTRL_URLS_FILE')
+
+
 app = fastapi.FastAPI(
     docs_url='/api-doc/',
 )
 
 svc = HUDService()
+if HUDCTRL_URLS_FILE:
+    svc.urls_file = Path(HUDCTRL_URLS_FILE)
 
 
 class PNGImageResponse(fastapi.Response):
@@ -54,8 +61,7 @@ async def get_monitor_config():
 
 @app.put('/display/monitors')
 async def put_monitor_config(
-    bgtasks: fastapi.BackgroundTasks,
+    monitors: str = fastapi.Body(..., media_type='text/plain')
-    monitors: str = fastapi.Body(..., media_type='text/plain'),
 ):
     try:
         svc.monitor_config = MonitorConfig.from_string(monitors)
@@ -65,7 +71,6 @@ async def put_monitor_config(
             fastapi.status.HTTP_400_BAD_REQUEST,
             detail=f'Invalid monitor config: {e}',
         )
-    bgtasks.add_task(svc.save_config)
     return {'monitor_config': svc.monitor_config}
 
 
@@ -137,14 +142,8 @@ async def get_screenshot(
     '/screen/{name}/navigate',
     response_class=fastapi.responses.PlainTextResponse,
 )
-async def navigate(
+async def navigate(name: str, url: str = fastapi.Form(...)):
-    bgtasks: fastapi.BackgroundTasks,
-    name: str,
-    url: str = fastapi.Form(...),
-):
     await svc.navigate(name, url)
-    svc.urls[name] = url
-    bgtasks.add_task(svc.save_config)
 
 
 @app.on_event('shutdown')

svc/src/hudctrl/config.py

@@ -1,12 +0,0 @@
-from typing import Optional
-
-import pydantic
-
-from .xrandr import Monitor
-
-
-class Configuration(pydantic.BaseModel):
-    monitors: list[Monitor] = pydantic.Field(default_factory=list)
-    urls: dict[str, str] = pydantic.Field(default_factory=dict)
-    host: Optional[str] = None
-    port: Optional[int] = None

svc/src/hudctrl/hud.py

@@ -2,23 +2,18 @@ import asyncio
 import base64
 import json
 import logging
-import os
 from pathlib import Path
 from typing import Dict, Optional
 
 import pydantic
 from aiomarionette import Marionette, WindowRect
 
-from .config import Configuration
 from .xrandr import MonitorConfig
 
 
 log = logging.getLogger(__name__)
 
 
-CONFIG_PATH = os.environ.get('HUDCTRL_CONFIG_PATH', 'config.json')
-
-
 class NoMonitorConfig(Exception):
     '''Raised when no monitor config has been provided yet'''
 
@@ -39,7 +34,7 @@ class HUDService:
         self.urls: Dict[str, str] = {}
         self.windows: Dict[str, str] = {}
 
-        self.config_file = Path(CONFIG_PATH)
+        self.urls_file = Path('urls.json')
         self.lock = asyncio.Lock()
 
     async def get_screen(self, name: str) -> HUDScreen:
@@ -109,27 +104,29 @@ class HUDService:
             if tasks:
                 await asyncio.wait(tasks)
 
-    def load_config(self) -> None:
+    def load_urls(self) -> None:
         try:
-            f = self.config_file.open(encoding='utf-8')
+            f = self.urls_file.open(encoding='utf-8')
         except FileNotFoundError:
             return
         except OSError as e:
-            log.error('Could not load config: %s', e)
+            log.error('Could not load URL list: %s', e)
             return
-        log.info('Loading config from %s', f.name)
+        log.info('Loading URL list from %s', self.urls_file)
         with f:
             try:
-                config = Configuration.parse_obj(json.load(f))
+                value = json.load(f)
             except ValueError as e:
-                log.error('Failed to load config: %s', e)
+                log.error('Failed to load URL list: %s', e)
                 return
-            self.urls = config.urls
+            if isinstance(value, dict):
-            if config.monitors:
+                self.urls = value
-                self.monitor_config = MonitorConfig()
+            else:
-                self.monitor_config.monitors = config.monitors
+                log.error(
-            self.host = config.host
+                    'Invalid URL list: found %r, expected %r',
-            self.port = config.port
+                    type(value),
+                    dict,
+                )
 
     async def navigate(self, name: str, url: str) -> None:
         assert self.marionette
@@ -143,19 +140,6 @@ class HUDService:
             await self.marionette.switch_to_window(self.windows[name])
             await self.marionette.refresh()
 
-    def save_config(self) -> None:
-        log.info('Saving configuration to %s', self.config_file)
-        config = Configuration(
-            monitors=self.monitor_config.monitors
-            if self.monitor_config
-            else [],
-            urls=self.urls,
-            host=self.host,
-            port=self.port,
-        )
-        f = self.config_file.open('w', encoding='utf-8')
-        f.write(config.json())
-
     async def set_display(self, host: str, port: int) -> None:
         if self.marionette:
             log.warning('Closing existing Marionette connection')
@@ -170,17 +154,10 @@ class HUDService:
         if self.marionette is not None:
             await self.marionette.close()
             self.marionette = None
-        self.save_config()
 
     async def startup(self) -> None:
-        asyncio.create_task(self._startup())
+        loop = asyncio.get_running_loop()
-
+        await loop.run_in_executor(None, self.load_urls)
-    async def _startup(self) -> None:
-        await asyncio.to_thread(self.load_config)
-        if self.host and self.port:
-            await self.set_display(self.host, self.port)
-            if self.monitor_config:
-                await self.initialize()
 
     async def take_screenshot(self, screen: str) -> bytes:
         assert self.marionette