技能备份 - 2026-04-15 (40个技能)

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#!/usr/bin/env python3
"""
Tavily Search v1.0 - AI-powered web search platform with 5 modes.
Author: Leo 🦁
Created: 2026-02-07
Commands:
- search: General web search with optional LLM answer
- news: News-optimized search (topic=news)
- finance: Finance-optimized search (topic=finance)
- extract: Extract content from URLs
- crawl: Crawl a website
- map: Discover sitemap URLs
- research: Deep AI research with citations
Environment Variables:
- TAVILY_API_KEY: Required. Tavily API key.
"""
import argparse
import json
import os
import sys
import urllib.request
import urllib.error
from typing import Any, Optional
# ─── Configuration ───────────────────────────────────────────────────────────
API_KEY: str = os.environ.get("TAVILY_API_KEY", "")
BASE_URL: str = "https://api.tavily.com"
REQUEST_TIMEOUT: int = 30
RESEARCH_TIMEOUT: int = 120 # Research can take longer
# ─── HTTP Helper ─────────────────────────────────────────────────────────────
def _api_request(
endpoint: str,
payload: dict[str, Any],
timeout: int = REQUEST_TIMEOUT,
) -> dict[str, Any]:
"""
Make a POST request to the Tavily API.
Args:
endpoint: API endpoint path (e.g., '/search').
payload: JSON request body.
timeout: Request timeout in seconds.
Returns:
Parsed JSON response.
Raises:
SystemExit: On API errors with descriptive messages.
"""
url = f"{BASE_URL}{endpoint}"
data = json.dumps(payload).encode("utf-8")
req = urllib.request.Request(
url,
data=data,
headers={
"Content-Type": "application/json",
"Authorization": f"Bearer {API_KEY}",
},
method="POST",
)
try:
with urllib.request.urlopen(req, timeout=timeout) as resp:
return json.loads(resp.read())
except urllib.error.HTTPError as e:
body = e.read().decode("utf-8", errors="replace")[:500]
if e.code == 401:
print("Error: Invalid TAVILY_API_KEY. Check your key at https://app.tavily.com", file=sys.stderr)
elif e.code == 429:
print("Error: Rate limit exceeded. Try again later.", file=sys.stderr)
elif e.code == 400:
# Try to extract error message from JSON response
try:
err_data = json.loads(body)
msg = err_data.get("detail", err_data.get("message", body))
print(f"Error: Bad request - {msg}", file=sys.stderr)
except (json.JSONDecodeError, KeyError):
print(f"Error: Bad request - {body}", file=sys.stderr)
else:
print(f"Error: Tavily API returned {e.code}: {body}", file=sys.stderr)
sys.exit(1)
except urllib.error.URLError as e:
print(f"Error: Network error - {e.reason}", file=sys.stderr)
sys.exit(1)
except TimeoutError:
print(f"Error: Request timed out after {timeout}s", file=sys.stderr)
sys.exit(1)
# ─── Output Formatting ──────────────────────────────────────────────────────
def _format_search_results(data: dict[str, Any], as_json: bool = False) -> str:
"""Format search/news/finance results for display."""
if as_json:
return json.dumps(data, ensure_ascii=False, indent=2)
lines: list[str] = []
# LLM answer
answer = data.get("answer")
if answer:
lines.append(f"Answer: {answer}")
lines.append("")
# Images
images = data.get("images")
if images:
lines.append("Images:")
for img in images:
if isinstance(img, dict):
lines.append(f" - {img.get('url', img)}")
else:
lines.append(f" - {img}")
lines.append("")
# Results
results = data.get("results", [])
if results:
lines.append("Results:")
for i, r in enumerate(results, 1):
title = r.get("title", "Untitled")
url = r.get("url", "")
content = r.get("content", "")
score = r.get("score")
published = r.get("published_date", "")
lines.append(f" {i}. {title}")
lines.append(f" {url}")
if published:
lines.append(f" Published: {published}")
if score is not None:
lines.append(f" Score: {score:.4f}")
if content:
# Truncate long content to keep output readable
snippet = content[:500].strip()
if len(content) > 500:
snippet += "..."
lines.append(f" {snippet}")
# Raw content (if requested)
raw = r.get("raw_content")
if raw:
lines.append(f" --- Raw Content ---")
raw_snippet = raw[:1000].strip()
if len(raw) > 1000:
raw_snippet += f"... [{len(raw)} chars total]"
lines.append(f" {raw_snippet}")
lines.append("")
elif not answer:
lines.append("No results found.")
return "\n".join(lines).rstrip()
def _format_extract_results(data: dict[str, Any], as_json: bool = False) -> str:
"""Format extract results for display."""
if as_json:
return json.dumps(data, ensure_ascii=False, indent=2)
lines: list[str] = []
results = data.get("results", [])
if not results:
return "No content extracted."
for r in results:
url = r.get("url", "Unknown URL")
content = r.get("raw_content", "")
lines.append(f"URL: {url}")
lines.append("" * 50)
if content:
lines.append(content.strip())
else:
lines.append("(No content extracted)")
lines.append("")
# Failed URLs
failed = data.get("failed_results", [])
if failed:
lines.append("Failed URLs:")
for f in failed:
url = f.get("url", "Unknown")
error = f.get("error", "Unknown error")
lines.append(f"{url}: {error}")
return "\n".join(lines).rstrip()
def _format_crawl_results(data: dict[str, Any], as_json: bool = False) -> str:
"""Format crawl results for display."""
if as_json:
return json.dumps(data, ensure_ascii=False, indent=2)
lines: list[str] = []
results = data.get("results", [])
base_url = data.get("base_url", "")
lines.append(f"Crawled {len(results)} pages from {base_url}")
lines.append("")
for i, r in enumerate(results, 1):
url = r.get("url", "Unknown URL")
content = r.get("raw_content", "")
lines.append(f"Page {i}: {url}")
lines.append("" * 50)
if content:
# Truncate very long pages
snippet = content[:2000].strip()
if len(content) > 2000:
snippet += f"\n... [{len(content)} chars total]"
lines.append(snippet)
else:
lines.append("(No content)")
lines.append("")
# Failed
failed = data.get("failed_results", [])
if failed:
lines.append("Failed URLs:")
for f in failed:
url = f.get("url", "Unknown")
error = f.get("error", "Unknown error")
lines.append(f"{url}: {error}")
return "\n".join(lines).rstrip()
def _format_map_results(data: dict[str, Any], url: str, as_json: bool = False) -> str:
"""Format map/sitemap results for display."""
if as_json:
return json.dumps(data, ensure_ascii=False, indent=2)
urls = data.get("results", [])
lines: list[str] = []
lines.append(f"Sitemap for {url} ({len(urls)} URLs found):")
lines.append("")
for i, u in enumerate(urls, 1):
if isinstance(u, dict):
lines.append(f" {i}. {u.get('url', u)}")
else:
lines.append(f" {i}. {u}")
if not urls:
lines.append(" No URLs discovered.")
return "\n".join(lines).rstrip()
def _format_research_results(data: dict[str, Any], as_json: bool = False) -> str:
"""Format research results for display."""
if as_json:
return json.dumps(data, ensure_ascii=False, indent=2)
lines: list[str] = []
# Topic
topic = data.get("topic") or data.get("query", "")
if topic:
lines.append(f"Research: {topic}")
lines.append("")
# Main content
content = data.get("content") or data.get("output") or data.get("report", "")
if content:
lines.append(content.strip())
else:
lines.append("No research output returned.")
# Sources
sources = data.get("sources", [])
if sources:
lines.append("")
lines.append("Sources:")
for i, src in enumerate(sources, 1):
if isinstance(src, dict):
url = src.get("url", src.get("link", str(src)))
title = src.get("title", "")
if title:
lines.append(f" [{i}] {title}")
lines.append(f" {url}")
else:
lines.append(f" [{i}] {url}")
else:
lines.append(f" [{i}] {src}")
return "\n".join(lines).rstrip()
# ─── Commands ────────────────────────────────────────────────────────────────
def cmd_search(args: argparse.Namespace) -> str:
"""Execute search/news/finance command."""
topic_map = {
"search": "general",
"news": "news",
"finance": "finance",
}
payload: dict[str, Any] = {
"query": args.query,
"topic": topic_map.get(args.command, "general"),
"search_depth": args.depth,
"max_results": args.n,
}
if args.answer:
payload["include_answer"] = True
if args.raw:
payload["include_raw_content"] = "markdown"
if args.images:
payload["include_images"] = True
if args.time:
payload["time_range"] = args.time
if args.include_domains:
payload["include_domains"] = [d.strip() for d in args.include_domains.split(",")]
if args.exclude_domains:
payload["exclude_domains"] = [d.strip() for d in args.exclude_domains.split(",")]
if args.country:
payload["country"] = args.country
data = _api_request("/search", payload)
return _format_search_results(data, as_json=args.as_json)
def cmd_extract(args: argparse.Namespace) -> str:
"""Execute extract command."""
urls = args.urls
if not urls:
print("Error: At least one URL is required for extract.", file=sys.stderr)
sys.exit(1)
payload: dict[str, Any] = {
"urls": urls if len(urls) > 1 else urls[0],
}
if args.depth and args.depth != "basic":
payload["extract_depth"] = args.depth
if hasattr(args, "format_type") and args.format_type:
payload["format"] = args.format_type
if hasattr(args, "query") and args.query:
payload["query"] = args.query
data = _api_request("/extract", payload)
return _format_extract_results(data, as_json=args.as_json)
def cmd_crawl(args: argparse.Namespace) -> str:
"""Execute crawl command."""
payload: dict[str, Any] = {
"url": args.url,
}
if args.max_depth is not None:
payload["max_depth"] = args.max_depth
if args.max_breadth is not None:
payload["max_breadth"] = args.max_breadth
if args.limit is not None:
payload["limit"] = args.limit
if hasattr(args, "instructions") and args.instructions:
payload["instructions"] = args.instructions
if hasattr(args, "select_paths") and args.select_paths:
payload["select_paths"] = [p.strip() for p in args.select_paths.split(",")]
if hasattr(args, "exclude_paths") and args.exclude_paths:
payload["exclude_paths"] = [p.strip() for p in args.exclude_paths.split(",")]
if hasattr(args, "format_type") and args.format_type:
payload["format"] = args.format_type
data = _api_request("/crawl", payload, timeout=60)
return _format_crawl_results(data, as_json=args.as_json)
def cmd_map(args: argparse.Namespace) -> str:
"""Execute map/sitemap command."""
payload: dict[str, Any] = {
"url": args.url,
}
if args.max_depth is not None:
payload["max_depth"] = args.max_depth
if args.max_breadth is not None:
payload["max_breadth"] = args.max_breadth
if args.limit is not None:
payload["limit"] = args.limit
data = _api_request("/map", payload)
return _format_map_results(data, args.url, as_json=args.as_json)
def cmd_research(args: argparse.Namespace) -> str:
"""Execute research command."""
payload: dict[str, Any] = {
"input": args.query,
}
if args.model:
payload["model"] = args.model
data = _api_request("/research", payload, timeout=RESEARCH_TIMEOUT)
return _format_research_results(data, as_json=args.as_json)
# ─── CLI ─────────────────────────────────────────────────────────────────────
def build_parser() -> argparse.ArgumentParser:
"""Build the argument parser with all subcommands."""
parser = argparse.ArgumentParser(
description="Tavily Search v1.0 - AI-powered web search platform",
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""
Examples:
%(prog)s search "latest AI news" --answer
%(prog)s news "tech industry" --time week
%(prog)s finance "NVIDIA stock" --depth advanced
%(prog)s extract "https://example.com/article"
%(prog)s crawl "https://docs.example.com" --limit 20
%(prog)s map "https://example.com"
%(prog)s research "Impact of AI on healthcare"
""",
)
subparsers = parser.add_subparsers(dest="command", help="Command to execute")
# ── Common search options ──
def add_search_options(sub: argparse.ArgumentParser) -> None:
sub.add_argument("query", help="Search query")
sub.add_argument("--depth", choices=["basic", "advanced"], default="basic",
help="Search depth (default: basic; advanced = 2 credits)")
sub.add_argument("--time", choices=["day", "week", "month", "year", "d", "w", "m", "y"],
default=None, help="Time range filter")
sub.add_argument("-n", type=int, default=5, help="Max results 0-20 (default: 5)")
sub.add_argument("--answer", action="store_true", help="Include LLM-synthesized answer")
sub.add_argument("--raw", action="store_true", help="Include raw page content")
sub.add_argument("--images", action="store_true", help="Include image URLs")
sub.add_argument("--include-domains", default=None,
help="Comma-separated domains to include")
sub.add_argument("--exclude-domains", default=None,
help="Comma-separated domains to exclude")
sub.add_argument("--country", default=None, help="Country code to boost (e.g., US, IL)")
sub.add_argument("--json", action="store_true", dest="as_json", help="JSON output")
# search
p_search = subparsers.add_parser("search", help="Web search (general)")
add_search_options(p_search)
# news
p_news = subparsers.add_parser("news", help="News search")
add_search_options(p_news)
# finance
p_finance = subparsers.add_parser("finance", help="Finance search")
add_search_options(p_finance)
# extract
p_extract = subparsers.add_parser("extract", help="Extract content from URLs")
p_extract.add_argument("urls", nargs="+", help="URLs to extract content from")
p_extract.add_argument("--depth", choices=["basic", "advanced"], default="basic",
help="Extraction depth")
p_extract.add_argument("--format", dest="format_type", choices=["markdown", "text"],
default=None, help="Output format (default: markdown)")
p_extract.add_argument("--query", default=None,
help="Query for relevance reranking of chunks")
p_extract.add_argument("--json", action="store_true", dest="as_json", help="JSON output")
# crawl
p_crawl = subparsers.add_parser("crawl", help="Crawl a website")
p_crawl.add_argument("url", help="Root URL to crawl")
p_crawl.add_argument("--depth", choices=["basic", "advanced"], default=None,
help="Crawl depth")
p_crawl.add_argument("--max-depth", type=int, default=None, help="Max link depth (default: 2)")
p_crawl.add_argument("--max-breadth", type=int, default=None,
help="Max pages per level (default: 10)")
p_crawl.add_argument("--limit", type=int, default=None, help="Max total pages (default: 10)")
p_crawl.add_argument("--instructions", default=None,
help="Natural language crawl instructions")
p_crawl.add_argument("--select-paths", default=None,
help="Comma-separated path patterns to include")
p_crawl.add_argument("--exclude-paths", default=None,
help="Comma-separated path patterns to exclude")
p_crawl.add_argument("--format", dest="format_type", choices=["markdown", "text"],
default=None, help="Output format")
p_crawl.add_argument("--json", action="store_true", dest="as_json", help="JSON output")
# map
p_map = subparsers.add_parser("map", help="Discover sitemap URLs")
p_map.add_argument("url", help="Root URL to map")
p_map.add_argument("--max-depth", type=int, default=None, help="Max depth (default: 2)")
p_map.add_argument("--max-breadth", type=int, default=None,
help="Max breadth per level (default: 20)")
p_map.add_argument("--limit", type=int, default=None, help="Max URLs (default: 50)")
p_map.add_argument("--json", action="store_true", dest="as_json", help="JSON output")
# research
p_research = subparsers.add_parser("research", help="Deep AI research")
p_research.add_argument("query", help="Research question")
p_research.add_argument("--model", choices=["mini", "pro", "auto"], default=None,
help="Research model (default: auto)")
p_research.add_argument("--json", action="store_true", dest="as_json", help="JSON output")
return parser
def main() -> None:
"""CLI entry point."""
parser = build_parser()
args = parser.parse_args()
if not args.command:
parser.print_help()
sys.exit(1)
if not API_KEY:
print("Error: TAVILY_API_KEY environment variable not set.", file=sys.stderr)
print("Set it in OpenClaw config or export TAVILY_API_KEY=your_key", file=sys.stderr)
sys.exit(1)
try:
if args.command in ("search", "news", "finance"):
result = cmd_search(args)
elif args.command == "extract":
result = cmd_extract(args)
elif args.command == "crawl":
result = cmd_crawl(args)
elif args.command == "map":
result = cmd_map(args)
elif args.command == "research":
result = cmd_research(args)
else:
parser.print_help()
sys.exit(1)
print(result)
except SystemExit:
raise
except Exception as e:
print(f"Error: {e}", file=sys.stderr)
sys.exit(1)
if __name__ == "__main__":
main()