custom_components/irm_kmi/const.py

@@ -161,7 +161,7 @@ IRM_KMI_NAME: Final = {
 
 WEEKDAYS = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday']
 
-USER_AGENT: Final = 'github.com/jdejaegh/irm-kmi-ha 0.2.31'
+USER_AGENT: Final = 'github.com/jdejaegh/irm-kmi-ha 0.2.30'
 
 CURRENT_WEATHER_SENSORS: Final = {'temperature', 'wind_speed', 'wind_gust_speed', 'wind_bearing', 'uv_index',
                                   'pressure'}

custom_components/irm_kmi/manifest.json

@@ -12,5 +12,5 @@
     "svgwrite==1.4.3",
     "aiofile==3.9.0"
   ],
-  "version": "0.2.31"
+  "version": "0.2.30"
 }

custom_components/irm_kmi/rain_graph.py

@@ -12,12 +12,10 @@ from aiofile import async_open
 from homeassistant.util import dt
 from svgwrite import Drawing
 from svgwrite.animate import Animate
-from svgwrite.container import FONT_TEMPLATE
 from svgwrite.utils import font_mimetype
 
 from .api import IrmKmiApiClient
 from .radar_data import AnimationFrameData, RadarAnimationData
-from .roboto import roboto_b64
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -151,11 +149,15 @@ class RainGraph:
 
     async def draw_svg_frame(self):
         """Create the global area to draw the other items"""
-        mimetype = "application/x-font-ttf"
+        font_file = os.path.join(self._config_dir, 'custom_components/irm_kmi/resources/roboto_medium.ttf')
+        _LOGGER.debug(f"Opening font file at {font_file}")
 
-        content = FONT_TEMPLATE.format(name="Roboto Medium", data=f"data:{mimetype};charset=utf-8;base64,{roboto_b64}")
+        async with async_open(font_file, 'rb') as font:
-        self._dwg.embed_stylesheet(content)
+            data = await font.read()
 
+        # Need to use the private class method as the public one does not offer an async call
+        # As this is run in the main loop, we cannot afford a blocking open() call
+        self._dwg._embed_font_data("Roboto Medium", data, font_mimetype(font_file))
         self._dwg.embed_stylesheet("""
             .roboto {
                 font-family: "Roboto Medium";

pyproject.toml

@@ -1,5 +1,5 @@
 [tool.bumpver]
-current_version = "0.2.31"
+current_version = "0.2.30"
 version_pattern = "MAJOR.MINOR.PATCH"
 commit_message = "bump version {old_version} -> {new_version}"
 tag_message = "{new_version}"