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Code Issues Releases Wiki Activity

Construct web_server assets at build time instead of run time (#4944)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2023-06-18 20:51:19 -05:00
committed by GitHub
parent b9f20b36cb
commit cd57271386
4 changed files with 100 additions and 45 deletions
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49
esphome/components/web_server/__init__.py
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@@ -81,6 +81,37 @@ CONFIG_SCHEMA = cv.All(
)
def build_index_html(config) -> str:
html = "<!DOCTYPE html><html><head><meta charset=UTF-8><link rel=icon href=data:>"
css_include = config.get(CONF_CSS_INCLUDE)
js_include = config.get(CONF_JS_INCLUDE)
if css_include:
html += "<link rel=stylesheet href=/0.css>"
if config[CONF_CSS_URL]:
html += f'<link rel=stylesheet href="{config[CONF_CSS_URL]}">'
html += "</head><body>"
if js_include:
html += "<script type=module src=/0.js></script>"
html += "<esp-app></esp-app>"
if config[CONF_JS_URL]:
html += f'<script src="{config[CONF_JS_URL]}"></script>'
html += "</body></html>"
return html
def add_resource_as_progmem(resource_name: str, content: str) -> None:
"""Add a resource to progmem."""
content_encoded = content.encode("utf-8")
content_encoded_size = len(content_encoded)
bytes_as_int = ", ".join(str(x) for x in content_encoded)
uint8_t = f"const uint8_t ESPHOME_WEBSERVER_{resource_name}[{content_encoded_size}] PROGMEM = {{{bytes_as_int}}}"
size_t = (
f"const size_t ESPHOME_WEBSERVER_{resource_name}_SIZE = {content_encoded_size}"
)
cg.add_global(cg.RawExpression(uint8_t))
cg.add_global(cg.RawExpression(size_t))
@coroutine_with_priority(40.0)
async def to_code(config):
paren = await cg.get_variable(config[CONF_WEB_SERVER_BASE_ID])
@@ -89,13 +120,17 @@ async def to_code(config):
await cg.register_component(var, config)
cg.add_define("USE_WEBSERVER")
version = config[CONF_VERSION]
cg.add(paren.set_port(config[CONF_PORT]))
cg.add_define("USE_WEBSERVER")
cg.add_define("USE_WEBSERVER_PORT", config[CONF_PORT])
cg.add_define("USE_WEBSERVER_VERSION", config[CONF_VERSION])
cg.add(var.set_css_url(config[CONF_CSS_URL]))
cg.add(var.set_js_url(config[CONF_JS_URL]))
cg.add_define("USE_WEBSERVER_VERSION", version)
if version == 2:
add_resource_as_progmem("INDEX_HTML", build_index_html(config))
else:
cg.add(var.set_css_url(config[CONF_CSS_URL]))
cg.add(var.set_js_url(config[CONF_JS_URL]))
cg.add(var.set_allow_ota(config[CONF_OTA]))
if CONF_AUTH in config:
cg.add(paren.set_auth_username(config[CONF_AUTH][CONF_USERNAME]))
@@ -103,13 +138,13 @@ async def to_code(config):
if CONF_CSS_INCLUDE in config:
cg.add_define("USE_WEBSERVER_CSS_INCLUDE")
path = CORE.relative_config_path(config[CONF_CSS_INCLUDE])
with open(file=path, encoding="utf-8") as myfile:
cg.add(var.set_css_include(myfile.read()))
with open(file=path, encoding="utf-8") as css_file:
add_resource_as_progmem("CSS_INCLUDE", css_file.read())
if CONF_JS_INCLUDE in config:
cg.add_define("USE_WEBSERVER_JS_INCLUDE")
path = CORE.relative_config_path(config[CONF_JS_INCLUDE])
with open(file=path, encoding="utf-8") as myfile:
cg.add(var.set_js_include(myfile.read()))
with open(file=path, encoding="utf-8") as js_file:
add_resource_as_progmem("JS_INCLUDE", js_file.read())
cg.add(var.set_include_internal(config[CONF_INCLUDE_INTERNAL]))
if CONF_LOCAL in config and config[CONF_LOCAL]:
cg.add_define("USE_WEBSERVER_LOCAL")