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download font from url on build (#5254)
Co-authored-by: guillempages <guillempages@users.noreply.github.com> Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com> Co-authored-by: clydebarrow <2366188+clydebarrow@users.noreply.github.com>
This commit is contained in:
Landon Rohatensky
GitHub
parent
d3a028f7fa
commit
2df9c30446
@ -1,13 +1,15 @@
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import hashlib
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import logging
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import functools
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from pathlib import Path
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import hashlib
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import os
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import re
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from packaging import version
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import requests
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from esphome import core
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from esphome import external_files
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import esphome.config_validation as cv
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import esphome.codegen as cg
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from esphome.helpers import (
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@ -15,21 +17,26 @@ from esphome.helpers import (
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cpp_string_escape,
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)
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from esphome.const import (
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__version__,
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CONF_FAMILY,
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CONF_FILE,
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CONF_GLYPHS,
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CONF_ID,
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CONF_RAW_DATA_ID,
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CONF_TYPE,
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CONF_REFRESH,
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CONF_SIZE,
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CONF_PATH,
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CONF_WEIGHT,
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CONF_URL,
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)
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from esphome.core import (
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CORE,
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HexInt,
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)
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_LOGGER = logging.getLogger(__name__)
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DOMAIN = "font"
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DEPENDENCIES = ["display"]
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MULTI_CONF = True
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@ -125,20 +132,10 @@ def validate_truetype_file(value):
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return cv.file_(value)
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def _compute_local_font_dir(name) -> Path:
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h = hashlib.new("sha256")
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h.update(name.encode())
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return Path(CORE.data_dir) / DOMAIN / h.hexdigest()[:8]
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def _compute_gfonts_local_path(value) -> Path:
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name = f"{value[CONF_FAMILY]}@{value[CONF_WEIGHT]}@{value[CONF_ITALIC]}@v1"
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return _compute_local_font_dir(name) / "font.ttf"
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TYPE_LOCAL = "local"
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TYPE_LOCAL_BITMAP = "local_bitmap"
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TYPE_GFONTS = "gfonts"
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TYPE_WEB = "web"
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LOCAL_SCHEMA = cv.Schema(
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{
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cv.Required(CONF_PATH): validate_truetype_file,
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@ -169,21 +166,64 @@ def validate_weight_name(value):
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return FONT_WEIGHTS[cv.one_of(*FONT_WEIGHTS, lower=True, space="-")(value)]
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def download_gfonts(value):
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def _compute_local_font_path(value: dict) -> Path:
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url = value[CONF_URL]
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h = hashlib.new("sha256")
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h.update(url.encode())
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key = h.hexdigest()[:8]
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base_dir = external_files.compute_local_file_dir(DOMAIN)
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_LOGGER.debug("_compute_local_font_path: base_dir=%s", base_dir / key)
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return base_dir / key
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def get_font_path(value, type) -> Path:
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if type == TYPE_GFONTS:
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name = f"{value[CONF_FAMILY]}@{value[CONF_WEIGHT]}@{value[CONF_ITALIC]}@v1"
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return external_files.compute_local_file_dir(DOMAIN) / f"{name}.ttf"
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if type == TYPE_WEB:
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return _compute_local_font_path(value) / "font.ttf"
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return None
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def download_content(url: str, path: Path) -> None:
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if not external_files.has_remote_file_changed(url, path):
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_LOGGER.debug("Remote file has not changed %s", url)
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return
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_LOGGER.debug(
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"Remote file has changed, downloading from %s to %s",
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url,
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path,
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)
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try:
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req = requests.get(
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url,
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timeout=external_files.NETWORK_TIMEOUT,
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headers={"User-agent": f"ESPHome/{__version__} (https://esphome.io)"},
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)
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req.raise_for_status()
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except requests.exceptions.RequestException as e:
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raise cv.Invalid(f"Could not download from {url}: {e}")
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path.parent.mkdir(parents=True, exist_ok=True)
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path.write_bytes(req.content)
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def download_gfont(value):
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name = (
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f"{value[CONF_FAMILY]}:ital,wght@{int(value[CONF_ITALIC])},{value[CONF_WEIGHT]}"
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)
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url = f"https://fonts.googleapis.com/css2?family={name}"
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path = get_font_path(value, TYPE_GFONTS)
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_LOGGER.debug("download_gfont: path=%s", path)
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path = _compute_gfonts_local_path(value)
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if path.is_file():
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return value
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try:
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req = requests.get(url, timeout=30)
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req = requests.get(url, timeout=external_files.NETWORK_TIMEOUT)
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req.raise_for_status()
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except requests.exceptions.RequestException as e:
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raise cv.Invalid(
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f"Could not download font for {name}, please check the fonts exists "
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f"Could not download font at {url}, please check the fonts exists "
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f"at google fonts ({e})"
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)
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match = re.search(r"src:\s+url\((.+)\)\s+format\('truetype'\);", req.text)
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@ -194,26 +234,48 @@ def download_gfonts(value):
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)
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ttf_url = match.group(1)
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try:
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req = requests.get(ttf_url, timeout=30)
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req.raise_for_status()
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except requests.exceptions.RequestException as e:
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raise cv.Invalid(f"Could not download ttf file for {name} ({ttf_url}): {e}")
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_LOGGER.debug("download_gfont: ttf_url=%s", ttf_url)
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path.parent.mkdir(exist_ok=True, parents=True)
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path.write_bytes(req.content)
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download_content(ttf_url, path)
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return value
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GFONTS_SCHEMA = cv.All(
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def download_web_font(value):
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url = value[CONF_URL]
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path = get_font_path(value, TYPE_WEB)
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download_content(url, path)
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_LOGGER.debug("download_web_font: path=%s", path)
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return value
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EXTERNAL_FONT_SCHEMA = cv.Schema(
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{
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cv.Required(CONF_FAMILY): cv.string_strict,
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cv.Optional(CONF_WEIGHT, default="regular"): cv.Any(
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cv.int_, validate_weight_name
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),
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cv.Optional(CONF_ITALIC, default=False): cv.boolean,
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},
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download_gfonts,
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cv.Optional(CONF_REFRESH, default="1d"): cv.All(cv.string, cv.source_refresh),
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}
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)
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GFONTS_SCHEMA = cv.All(
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EXTERNAL_FONT_SCHEMA.extend(
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{
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cv.Required(CONF_FAMILY): cv.string_strict,
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}
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),
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download_gfont,
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)
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WEB_FONT_SCHEMA = cv.All(
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EXTERNAL_FONT_SCHEMA.extend(
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{
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cv.Required(CONF_URL): cv.string_strict,
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}
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),
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download_web_font,
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)
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@ -233,6 +295,14 @@ def validate_file_shorthand(value):
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data[CONF_WEIGHT] = weight[1:]
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return FILE_SCHEMA(data)
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if value.startswith("http://") or value.startswith("https://"):
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return FILE_SCHEMA(
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{
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CONF_TYPE: TYPE_WEB,
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CONF_URL: value,
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}
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)
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if value.endswith(".pcf") or value.endswith(".bdf"):
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return FILE_SCHEMA(
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{
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@ -254,6 +324,7 @@ TYPED_FILE_SCHEMA = cv.typed_schema(
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TYPE_LOCAL: LOCAL_SCHEMA,
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TYPE_GFONTS: GFONTS_SCHEMA,
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TYPE_LOCAL_BITMAP: LOCAL_BITMAP_SCHEMA,
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TYPE_WEB: WEB_FONT_SCHEMA,
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}
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)
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@ -264,7 +335,7 @@ def _file_schema(value):
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return TYPED_FILE_SCHEMA(value)
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FILE_SCHEMA = cv.Schema(_file_schema)
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FILE_SCHEMA = cv.All(_file_schema)
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DEFAULT_GLYPHS = (
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' !"%()+=,-.:/?0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz°'
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@ -288,7 +359,7 @@ FONT_SCHEMA = cv.Schema(
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),
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cv.GenerateID(CONF_RAW_DATA_ID): cv.declare_id(cg.uint8),
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cv.GenerateID(CONF_RAW_GLYPH_ID): cv.declare_id(GlyphData),
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}
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},
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)
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CONFIG_SCHEMA = cv.All(validate_pillow_installed, FONT_SCHEMA, merge_glyphs)
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@ -343,8 +414,8 @@ class EFont:
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elif ftype == TYPE_LOCAL:
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path = CORE.relative_config_path(file[CONF_PATH])
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font = load_ttf_font(path, size)
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elif ftype == TYPE_GFONTS:
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path = _compute_gfonts_local_path(file)
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elif ftype in (TYPE_GFONTS, TYPE_WEB):
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path = get_font_path(file, ftype)
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font = load_ttf_font(path, size)
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else:
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raise cv.Invalid(f"Could not load font: unknown type: {ftype}")
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@ -361,9 +432,9 @@ def convert_bitmap_to_pillow_font(filepath):
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BdfFontFile,
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)
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local_bitmap_font_file = _compute_local_font_dir(filepath) / os.path.basename(
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filepath
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)
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local_bitmap_font_file = external_files.compute_local_file_dir(
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DOMAIN,
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) / os.path.basename(filepath)
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copy_file_if_changed(filepath, local_bitmap_font_file)
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@ -33,7 +33,9 @@ def has_remote_file_changed(url, local_file_path):
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IF_MODIFIED_SINCE: local_modification_time_str,
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CACHE_CONTROL: CACHE_CONTROL_MAX_AGE + "3600",
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}
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response = requests.head(url, headers=headers, timeout=NETWORK_TIMEOUT)
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response = requests.head(
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url, headers=headers, timeout=NETWORK_TIMEOUT, allow_redirects=True
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)
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_LOGGER.debug(
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"has_remote_file_changed: File %s, Local modified %s, response code %d",
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@ -6,6 +6,17 @@ font:
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extras:
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- file: "gfonts://Roboto"
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glyphs: ["\u00C4", "\u00C5", "\U000000C7"]
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- file: "gfonts://Roboto"
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id: roboto_web
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size: 20
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- file: "https://github.com/IdreesInc/Monocraft/releases/download/v3.0/Monocraft.ttf"
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id: monocraft
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size: 20
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- file:
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type: web
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url: "https://github.com/IdreesInc/Monocraft/releases/download/v3.0/Monocraft.ttf"
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id: monocraft2
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size: 24
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spi:
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clk_pin: 14
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@ -812,11 +812,6 @@ image:
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file: mdi:alert-outline
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type: BINARY
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font:
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- file: "gfonts://Roboto"
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id: roboto
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size: 20
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graph:
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- id: my_graph
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sensor: ha_hello_world_temperature
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