Optimize tablet load: defer health check, lighten service worker, drop Google Fonts.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
dekun
2026-06-12 14:49:58 +08:00
parent f0bb40c605
commit 7e65349878
4 changed files with 338 additions and 285 deletions
+198 -162
View File
@@ -1,162 +1,198 @@
"""
远程 Ollama LLM 润色服务
通过局域网 HTTP 请求 Gemma4 模型,对交易复盘转写稿进行纪律审判式润色。
"""
from __future__ import annotations
import logging
from typing import Tuple
import requests
from config import MODEL_NAME, OLLAMA_TIMEOUT, OLLAMA_URL, SYSTEM_PROMPT
logger = logging.getLogger(__name__)
def _build_payload(raw_text: str) -> dict:
"""构造 Ollama /api/chat 非流式请求体。"""
return {
"model": MODEL_NAME,
"messages": [
{"role": "system", "content": SYSTEM_PROMPT},
{
"role": "user",
"content": (
"以下是我的交易复盘录音转写原文,请严格按系统要求润色:\n\n"
f"{raw_text}"
),
},
],
"stream": False,
"options": {
"temperature": 0.7,
"num_predict": 4096,
},
}
def _extract_content(response_json: dict) -> str:
"""从 Ollama 响应 JSON 中提取 assistant 文本。"""
# /api/chat 标准格式
message = response_json.get("message")
if isinstance(message, dict):
content = message.get("content", "").strip()
if content:
return content
# 兼容 /api/generate 格式(部分旧版或代理)
if "response" in response_json:
content = str(response_json["response"]).strip()
if content:
return content
raise ValueError(f"无法从 Ollama 响应中解析文本内容: {response_json}")
def polish_text(raw_text: str) -> Tuple[bool, str]:
"""
调用远程 Ollama 对原始转写文本进行润色。
Args:
raw_text: Whisper 转写得到的原始口语文本
Returns:
(success, polished_text_or_error_message)
"""
if not raw_text or not raw_text.strip():
return False, "润色输入为空,请先完成语音识别。"
payload = _build_payload(raw_text.strip())
try:
logger.info("正在请求 Ollama: %s, model=%s", OLLAMA_URL, MODEL_NAME)
response = requests.post(
OLLAMA_URL,
json=payload,
timeout=OLLAMA_TIMEOUT,
)
response.raise_for_status()
data = response.json()
polished = _extract_content(data)
if not polished:
return False, "Ollama 返回内容为空,请检查模型是否正常加载。"
logger.info("润色完成,输出字数: %d", len(polished))
return True, polished
except requests.exceptions.ConnectTimeout:
err = (
f"连接 Ollama 超时(>{OLLAMA_TIMEOUT}s)。"
f"请确认 {OLLAMA_URL} 可达且 Ollama 服务已启动。"
)
logger.error(err)
return False, err
except requests.exceptions.ReadTimeout:
err = (
f"Ollama 响应超时(>{OLLAMA_TIMEOUT}s)。"
"模型可能正在加载或生成长度过长,请稍后重试。"
)
logger.error(err)
return False, err
except requests.exceptions.ConnectionError as exc:
err = (
f"无法连接到 Ollama 节点 ({OLLAMA_URL})。"
"请检查局域网连通性、防火墙及 Ollama 是否监听 0.0.0.0:11434。\n"
f"详情: {exc}"
)
logger.error(err)
return False, err
except requests.exceptions.HTTPError as exc:
status = exc.response.status_code if exc.response is not None else "?"
body = exc.response.text[:500] if exc.response is not None else ""
err = (
f"Ollama HTTP 错误 ({status})。"
f"请确认模型 `{MODEL_NAME}` 已通过 ollama pull 下载。\n"
f"响应片段: {body}"
)
logger.error(err)
return False, err
except ValueError as exc:
logger.error("Ollama 响应解析失败: %s", exc)
return False, str(exc)
except requests.exceptions.RequestException as exc:
err = f"Ollama 请求异常: {exc}"
logger.exception(err)
return False, err
except Exception as exc:
err = f"润色过程发生未知错误: {exc}"
logger.exception(err)
return False, err
def check_ollama_health() -> Tuple[bool, str]:
"""
快速检测 Ollama 节点是否在线(不触发完整推理)。
Returns:
(online, message)
"""
base_url = OLLAMA_URL.rsplit("/api/", 1)[0]
try:
resp = requests.get(f"{base_url}/api/tags", timeout=10)
resp.raise_for_status()
tags = resp.json().get("models", [])
model_names = [m.get("name", "") for m in tags]
if any(MODEL_NAME.split(":")[0] in name for name in model_names):
return True, f"Ollama 在线,已检测到模型: {MODEL_NAME}"
return True, (
f"Ollama 在线,但未找到模型 {MODEL_NAME}"
f"请执行: ollama pull {MODEL_NAME}"
)
except Exception as exc:
return False, f"Ollama 不可达: {exc}"
"""
远程 Ollama LLM 润色服务
通过局域网 HTTP 请求 Gemma4 模型,对交易复盘转写稿进行纪律审判式润色。
"""
from __future__ import annotations
import logging
import time
from typing import Tuple
import requests
from config import (
HEALTH_CHECK_CACHE_SECONDS,
HEALTH_CHECK_CONNECT_TIMEOUT,
HEALTH_CHECK_READ_TIMEOUT,
MODEL_NAME,
OLLAMA_TIMEOUT,
OLLAMA_URL,
SYSTEM_PROMPT,
)
logger = logging.getLogger(__name__)
# 健康检查短时缓存,避免平板/手机反复打开页面时重复等待
_health_cache: dict = {"ts": 0.0, "ok": False, "msg": ""}
def _build_payload(raw_text: str) -> dict:
"""构造 Ollama /api/chat 非流式请求体。"""
return {
"model": MODEL_NAME,
"messages": [
{"role": "system", "content": SYSTEM_PROMPT},
{
"role": "user",
"content": (
"以下是我的交易复盘录音转写原文,请严格按系统要求润色:\n\n"
f"{raw_text}"
),
},
],
"stream": False,
"options": {
"temperature": 0.7,
"num_predict": 4096,
},
}
def _extract_content(response_json: dict) -> str:
"""从 Ollama 响应 JSON 中提取 assistant 文本。"""
# /api/chat 标准格式
message = response_json.get("message")
if isinstance(message, dict):
content = message.get("content", "").strip()
if content:
return content
# 兼容 /api/generate 格式(部分旧版或代理)
if "response" in response_json:
content = str(response_json["response"]).strip()
if content:
return content
raise ValueError(f"无法从 Ollama 响应中解析文本内容: {response_json}")
def polish_text(raw_text: str) -> Tuple[bool, str]:
"""
调用远程 Ollama 对原始转写文本进行润色。
Args:
raw_text: Whisper 转写得到的原始口语文本
Returns:
(success, polished_text_or_error_message)
"""
if not raw_text or not raw_text.strip():
return False, "润色输入为空,请先完成语音识别。"
payload = _build_payload(raw_text.strip())
try:
logger.info("正在请求 Ollama: %s, model=%s", OLLAMA_URL, MODEL_NAME)
response = requests.post(
OLLAMA_URL,
json=payload,
timeout=OLLAMA_TIMEOUT,
)
response.raise_for_status()
data = response.json()
polished = _extract_content(data)
if not polished:
return False, "Ollama 返回内容为空,请检查模型是否正常加载。"
logger.info("润色完成,输出字数: %d", len(polished))
return True, polished
except requests.exceptions.ConnectTimeout:
err = (
f"连接 Ollama 超时(>{OLLAMA_TIMEOUT}s)。"
f"请确认 {OLLAMA_URL} 可达且 Ollama 服务已启动。"
)
logger.error(err)
return False, err
except requests.exceptions.ReadTimeout:
err = (
f"Ollama 响应超时(>{OLLAMA_TIMEOUT}s)。"
"模型可能正在加载或生成长度过长,请稍后重试。"
)
logger.error(err)
return False, err
except requests.exceptions.ConnectionError as exc:
err = (
f"无法连接到 Ollama 节点 ({OLLAMA_URL})。"
"请检查局域网连通性、防火墙及 Ollama 是否监听 0.0.0.0:11434。\n"
f"详情: {exc}"
)
logger.error(err)
return False, err
except requests.exceptions.HTTPError as exc:
status = exc.response.status_code if exc.response is not None else "?"
body = exc.response.text[:500] if exc.response is not None else ""
err = (
f"Ollama HTTP 错误 ({status})。"
f"请确认模型 `{MODEL_NAME}` 已通过 ollama pull 下载。\n"
f"响应片段: {body}"
)
logger.error(err)
return False, err
except ValueError as exc:
logger.error("Ollama 响应解析失败: %s", exc)
return False, str(exc)
except requests.exceptions.RequestException as exc:
err = f"Ollama 请求异常: {exc}"
logger.exception(err)
return False, err
except Exception as exc:
err = f"润色过程发生未知错误: {exc}"
logger.exception(err)
return False, err
def check_ollama_health(force: bool = False) -> Tuple[bool, str]:
"""
快速检测 Ollama 节点是否在线(不触发完整推理)。
默认 2+3 秒超时,结果缓存 30 秒,避免平板首屏长时间白屏。
Returns:
(online, message)
"""
global _health_cache
now = time.time()
if (
not force
and _health_cache["msg"]
and (now - _health_cache["ts"]) < HEALTH_CHECK_CACHE_SECONDS
):
return _health_cache["ok"], _health_cache["msg"]
base_url = OLLAMA_URL.rsplit("/api/", 1)[0]
timeout = (HEALTH_CHECK_CONNECT_TIMEOUT, HEALTH_CHECK_READ_TIMEOUT)
try:
resp = requests.get(f"{base_url}/api/tags", timeout=timeout)
resp.raise_for_status()
tags = resp.json().get("models", [])
model_names = [m.get("name", "") for m in tags]
if any(MODEL_NAME.split(":")[0] in name for name in model_names):
msg = f"Ollama 在线,已检测到模型: {MODEL_NAME}"
ok = True
else:
ok = True
msg = (
f"Ollama 在线,但未找到模型 {MODEL_NAME}"
f"请执行: ollama pull {MODEL_NAME}"
)
except requests.exceptions.Timeout:
ok, msg = False, (
f"Ollama 检测超时(>{HEALTH_CHECK_READ_TIMEOUT}s)。"
"页面已加载,可稍后点击「刷新状态」重试。"
)
except Exception as exc:
ok, msg = False, f"Ollama 不可达: {exc}"
_health_cache.update({"ts": now, "ok": ok, "msg": msg})
return ok, msg