cryptorugmunch
47ba268131
Adds missing standard artifacts: - README.md (if missing) - AGENTS.md (AI agent contract) - PLAN.md (current sprint) - STATUS.md (where we are) - DEVELOPMENT.md (dev workflow) - DEPLOYMENT.md (deploy procedure) - TESTING.md (test strategy) - DECISIONS.md (ADR index + templates) - .github/CODEOWNERS - .github/workflows/ci.yml Preserves all existing artifacts. Refs: RugMunchMedia/fleet-template
262 lines
8.8 KiB
Python
262 lines
8.8 KiB
Python
"""Pry — SEO Content Change Monitor.
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Track competitor meta tags, titles, descriptions, headings, content changes."""
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import hashlib
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import json
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import logging
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import os
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import re
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from contextlib import suppress
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from datetime import UTC, datetime
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from pathlib import Path
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from typing import Any
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logger = logging.getLogger(__name__)
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SEO_DIR = Path(os.path.expanduser("~/.pry/seo"))
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SEO_DIR.mkdir(parents=True, exist_ok=True)
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async def analyze_seo(url: str) -> dict[str, Any]:
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"""Analyze SEO elements from a URL."""
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from lxml import html as lxml_html
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from client import get_client
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client = await get_client()
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try:
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resp = await client.get(
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url,
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timeout=30,
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follow_redirects=True,
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headers={"User-Agent": "Mozilla/5.0 (SEO Monitor)"},
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)
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if not resp.is_success:
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return {"url": url, "error": f"HTTP {resp.status_code}"}
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tree = lxml_html.fromstring(resp.text)
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result: dict[str, Any] = {
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"url": url,
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"title": _get_title(tree),
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"meta_description": _get_meta_content(tree, "description"),
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"meta_keywords": _get_meta_content(tree, "keywords"),
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"h1": _get_headings(tree, "h1"),
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"h2": _get_headings(tree, "h2"),
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"canonical": _get_attr(tree, 'link[rel="canonical"]', "href"),
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"og_title": _get_meta_content(tree, "og:title"),
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"og_description": _get_meta_content(tree, "og:description"),
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"og_image": _get_meta_content(tree, "og:image"),
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"twitter_title": _get_meta_content(tree, "twitter:title"),
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"twitter_description": _get_meta_content(tree, "twitter:description"),
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"robots_meta": _get_meta_content(tree, "robots"),
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"charset": _get_charset(tree, resp),
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"viewport": _get_meta_content(tree, "viewport"),
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"word_count": _count_words(resp.text),
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"links_internal": _count_links(tree, url, internal=True),
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"links_external": _count_links(tree, url, internal=False),
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"has_schema": _has_schema(resp.text),
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"hreflang_tags": _get_hreflangs(tree),
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"status_code": resp.status_code,
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"content_type": resp.headers.get("content-type", ""),
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"last_modified": resp.headers.get("last-modified", ""),
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}
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return result
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except Exception as e:
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return {"url": url, "error": str(e)[:200]}
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def _get_title(tree: Any) -> str:
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el = tree.find(".//title")
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return el.text_content().strip()[:200] if el is not None and el.text is not None else ""
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def _get_meta_content(tree: Any, name: str) -> str:
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for el in tree.xpath(f'//meta[@name="{name}"] | //meta[@property="{name}"]'):
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content = el.get("content", "")
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return content.strip()[:500] if content else ""
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return ""
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def _get_headings(tree: Any, tag: str) -> list[str]:
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return [
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h.text_content().strip()[:200] for h in tree.xpath(f"//{tag}") if h.text_content().strip()
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]
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def _get_attr(tree: Any, selector: str, attr: str) -> str:
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els = tree.cssselect(selector)
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return str(els[0].get(attr, ""))[:500] if els else ""
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def _get_charset(tree: Any, resp: Any) -> str:
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meta = tree.find(".//meta[@charset]")
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if meta is not None:
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return str(meta.get("charset", ""))
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ct = resp.headers.get("content-type", "")
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m = re.search(r"charset=([\w-]+)", ct)
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return m.group(1) if m else ""
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def _count_words(html: str) -> int:
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text = re.sub(r"<[^>]+>", " ", html)
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words = re.findall(r"\w+", text)
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return len(words)
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def _count_links(tree: Any, base_url: str, internal: bool) -> int:
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from urllib.parse import urlparse
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base_domain = urlparse(base_url).netloc
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count = 0
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for a in tree.xpath("//a[@href]"):
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href = a.get("href", "")
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if href.startswith("http") or href.startswith("//"):
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domain = urlparse(href).netloc
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if (internal and domain == base_domain) or (not internal and domain != base_domain):
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count += 1
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elif internal and href.startswith("/"):
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count += 1
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return count
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def _has_schema(html: str) -> bool:
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return bool(re.search(r'<script[^>]*type="application/ld\+json"', html))
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def _get_hreflangs(tree: Any) -> list[dict[str, str]]:
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tags = []
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for el in tree.xpath("//link[@hreflang]"):
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tags.append(
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{
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"hreflang": el.get("hreflang", ""),
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"href": el.get("href", ""),
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}
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)
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return tags
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async def track_seo_changes(url: str) -> dict[str, Any]:
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"""Track SEO changes since last analysis."""
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url_hash = hashlib.sha256(url.encode()).hexdigest()[:16]
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history_path = SEO_DIR / f"seo_{url_hash}.json"
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# Get current SEO data
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current = await analyze_seo(url)
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if "error" in current:
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return current
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# Load previous data
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previous: dict[str, Any] | None = None
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if history_path.exists():
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with suppress(json.JSONDecodeError, OSError):
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previous = json.loads(history_path.read_text())
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# Detect changes
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changes = []
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if previous:
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tracked_fields = ["title", "meta_description", "meta_keywords", "h1", "h2", "canonical"]
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for field in tracked_fields:
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old_val = previous.get(field)
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new_val = current.get(field)
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if old_val != new_val:
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changes.append(
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{
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"field": field,
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"type": "changed",
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"from": old_val,
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"to": new_val,
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"severity": "high" if field in ("title", "meta_description") else "medium",
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}
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)
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# Word count change
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old_words = previous.get("word_count", 0)
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new_words = current.get("word_count", 0)
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if old_words and new_words and abs(new_words - old_words) > 100:
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changes.append(
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{
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"field": "word_count",
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"type": "changed",
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"from": old_words,
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"to": new_words,
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"delta": new_words - old_words,
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"severity": "low",
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}
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)
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# Save current data
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with suppress(OSError):
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history_path.write_text(json.dumps(current, indent=2))
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return {
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"url": url,
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"current": current,
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"changes": changes,
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"change_count": len(changes),
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"has_changes": len(changes) > 0,
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"is_first_scan": previous is None,
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"checked_at": datetime.now(UTC).isoformat(),
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}
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async def get_seo_keyword_insights(url: str, keywords: list[str]) -> dict[str, Any]:
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"""Analyze which keywords a URL is targeting based on content analysis."""
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from client import get_client
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client = await get_client()
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try:
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resp = await client.get(url, timeout=30, follow_redirects=True)
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if not resp.is_success:
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return {"url": url, "error": f"HTTP {resp.status_code}"}
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text = resp.text.lower()
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results = []
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for keyword in keywords:
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kw_lower = keyword.lower().strip()
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# Check in title
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title = _get_title_from_html(text)
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in_title = kw_lower in title.lower() if title else False
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# Check in H1
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h1s = re.findall(r"<h1[^>]*>(.*?)</h1>", text, re.DOTALL)
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in_h1 = any(kw_lower in h.lower() for h in h1s)
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# Check in meta description
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meta_desc = _get_meta_from_html(text, "description")
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in_meta = kw_lower in meta_desc.lower() if meta_desc else False
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# Count in body
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body = re.sub(r"<[^>]+>", " ", text)
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frequency = body.lower().count(kw_lower)
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results.append(
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{
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"keyword": keyword,
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"frequency": frequency,
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"in_title": in_title,
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"in_h1": in_h1,
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"in_meta_description": in_meta,
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"density": round(frequency / max(len(body.split()), 1) * 100, 2)
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if frequency > 0
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else 0,
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}
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)
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return {
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"url": url,
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"keywords_analyzed": len(keywords),
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"results": results,
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}
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except Exception as e:
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return {"url": url, "error": str(e)[:200]}
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def _get_title_from_html(html: str) -> str:
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m = re.search(r"<title[^>]*>(.*?)</title>", html, re.DOTALL)
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return m.group(1).strip() if m else ""
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def _get_meta_from_html(html: str, name: str) -> str:
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m = re.search(f"<meta[^>]*name=[\"']{name}[\"'][^>]*content=[\"']([^\"']*)[\"']", html)
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if m:
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return m.group(1)
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m = re.search(f"<meta[^>]*property=[\"']{name}[\"'][^>]*content=[\"']([^\"']*)[\"']", html)
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return m.group(1) if m else ""
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