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import asyncio |
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import pathlib |
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import re |
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import markdownify |
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from markdownify import chomp |
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import urllib.parse |
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import orjson |
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import tqdm |
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import typer |
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import httpx |
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from bs4 import BeautifulSoup, Tag |
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app = typer.Typer() |
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class MDNConverter(markdownify.MarkdownConverter): |
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def convert_a(self, el, text, convert_as_inline): |
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prefix, suffix, text = chomp(text) |
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if not text: |
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return "" |
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return "%s%s%s" % (prefix, text, suffix) |
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def convert_pre(self, el:Tag, text, convert_as_inline): |
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if not text: |
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return '' |
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code_language = self.options['code_language'] |
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if el.previous_sibling and el.previous_sibling.name and el.previous_sibling.name == "div": |
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if "example-header" in el.previous_sibling.get("class",[]): |
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code_language = el.previous_sibling.find('span').get_text() |
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el.previous_sibling.decompose() |
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return '\n```%s\n%s\n```\n' % (code_language, text) |
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inst = MDNConverter() |
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rgx = re.compile(r"(.+)\n```\1") |
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def quote_fx(matchobj): |
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return f"\n```{matchobj.group(1)}" |
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def soup_processor(soup:BeautifulSoup): |
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base_article = soup.select_one("main#content > article") |
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[script.decompose() for script in base_article.find_all("script")] |
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if not base_article: |
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return None |
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mod_time = base_article.find("aside",attrs={"class":"metadata"}) |
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if mod_time: |
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mod_time.decompose() |
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hydro = base_article.select_one("#hydration") |
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if hydro: |
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hydro.decompose() |
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r = inst.convert_soup(base_article).replace("\n\n\n\n","\n\n").replace("\n\n\n","\n\n") |
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r = rgx.sub(quote_fx, r).replace("\n \n","\n\n").replace("\n\n```\n","\n```\n\n").rstrip().replace("\t"," ") |
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data = {"title":soup.find("title").get_text().split("|")[0].strip(),"text":r} |
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return data |
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@app.command() |
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def clean(root:pathlib.Path, output_jsonl:pathlib.Path): |
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with open(output_jsonl.resolve(),"wb") as f: |
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for file in root.rglob("*.html"): |
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if file.is_file() and "docs/MDN/" not in str(file): |
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soup = BeautifulSoup(file.read_text(encoding="utf-8"),"lxml") |
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print(file) |
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r = soup_processor(soup) |
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f.write(orjson.dumps(r)+b"\n") |
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async def async_executor(urls:list[str], root:pathlib.Path): |
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sem = asyncio.Semaphore(64) |
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client = httpx.AsyncClient(timeout=None) |
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client.headers["user-agent"] = "curl/7.54.1 (compatible; kinda like curl) " + client.headers["user-agent"] + " mdncrawl/1.0.0 (SiteMap Crawling; +shinon@recursal.ai; Contact if bot errors.)" |
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pbar = tqdm.tqdm() |
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async def url_executor(url:str): |
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pth = urllib.parse.urlparse(url).path[1:] |
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url_write = (root / pth).resolve() |
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url_write.parent.mkdir(exist_ok=True,parents=True) |
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async with sem: |
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response = await client.get(url) |
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if response.status_code == 200: |
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if url_write.suffix != ".html": |
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url_write = url_write.with_suffix(f"{url_write.suffix}.html") |
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url_write.write_bytes(response.content) |
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pbar.update(1) |
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else: |
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print(response.status_code) |
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loop = asyncio.get_running_loop() |
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workers = [loop.create_task(url_executor(url)) for url in urls] |
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await asyncio.gather(*workers) |
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pass |
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@app.command() |
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def sitemap(xml_file:pathlib.Path, root:pathlib.Path): |
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root = root.resolve() |
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soup = BeautifulSoup(xml_file.read_text(encoding="utf-8"), "xml") |
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urls = [i.get_text() for i in soup.find_all("loc")] |
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asyncio.run(async_executor(urls, root)) |
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if __name__ == "__main__": |
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app() |
