35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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"""Web — any URL via Jina Reader. Always available."""
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import urllib.request
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from .base import Channel
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_UA = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36"
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class WebChannel(Channel):
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name = "web"
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description = "任意网页"
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backends = ["Jina Reader"]
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tier = 0
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def can_handle(self, url: str) -> bool:
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return True # Fallback — handles any URL
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def check(self, config=None):
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# 恒可用兜底渠道：无本地命令、不做网络探测（doctor 已有多个渠道触网），保持零开销
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self.active_backend = self.backends[0]
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return "ok", "通过 Jina Reader 读取任意网页（curl https://r.jina.ai/URL）"
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def read(self, url: str) -> str:
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"""通过 Jina Reader 读取网页，返回 Markdown 全文。"""
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if not url.startswith(("http://", "https://")):
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url = "https://" + url
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jina_url = f"https://r.jina.ai/{url}"
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req = urllib.request.Request(
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jina_url,
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headers={"User-Agent": _UA, "Accept": "text/plain"},
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)
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with urllib.request.urlopen(req, timeout=30) as resp:
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return resp.read().decode("utf-8")
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