app

Dockerfile

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+FROM python:3.9
+
+RUN useradd -m -u 1000 user
+
+WORKDIR /app
+
+COPY --chown=user ./requirements.txt requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+COPY --chown=user . /app
+
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

app.py

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+from fastapi import FastAPI, HTTPException
+from pydantic import BaseModel
+from bs4 import BeautifulSoup
+from typing import List, Dict
+
+app = FastAPI()
+
+all_html_tags = {
+    "a", "abbr", "address", "area", "article", "aside", "audio", "b", "base", "bdi", "bdo", "blockquote", "body",
+    "br", "button", "canvas", "caption", "cite", "code", "col", "colgroup", "data", "datalist", "dd", "del", "details",
+    "dfn", "dialog", "div", "dl", "dt", "em", "embed", "fieldset", "figcaption", "figure", "footer", "form", "h1", "h2",
+    "h3", "h4", "h5", "h6", "head", "header", "hr", "html", "i", "iframe", "img", "input", "ins", "kbd", "label", "legend",
+    "li", "link", "main", "map", "mark", "meta", "meter", "nav", "noscript", "object", "ol", "optgroup", "option", "output",
+    "p", "param", "picture", "pre", "progress", "q", "rp", "rt", "ruby", "s", "samp", "script", "section", "select", "small",
+    "source", "span", "strong", "style", "sub", "summary", "sup", "table", "tbody", "td", "template", "textarea", "tfoot",
+    "th", "thead", "time", "title", "tr", "track", "u", "ul", "var", "video", "wbr"
+}
+
+
+class HTMLInput(BaseModel):
+    html_code: str
+
+
+class HTMLOutput(BaseModel):
+    tags_used: List[str]
+    tags_not_used: List[str]
+
+
+def extract_html_tags(html_code: str) -> Dict[str, List[str]]:
+    soup = BeautifulSoup(html_code, "html.parser")
+    tags_used = {tag.name for tag in soup.find_all()}
+    tags_not_used = all_html_tags - tags_used
+    return {
+        "tags_used": list(tags_used),
+        "tags_not_used": list(tags_not_used)
+    }
+
+
+@app.post("/extract_tags", response_model=HTMLOutput)
+async def extract_tags(input: HTMLInput):
+    try:
+        result = extract_html_tags(input.html_code)
+        return HTMLOutput(**result)
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))

requirements.txt

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+fastapi
+uvicorn
+pydantic
+beautifulsoup4