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"""Basic usage examples for nvdb-py."""
import asyncio
from nvd import NVDClient
async def main() -> None:
"""Run basic examples."""
async with NVDClient() as client:
print("=" * 80)
print("Example 1: Get a specific CVE")
print("=" * 80)
cve = await client.cve.get_cve("CVE-2021-44228")
print(f"CVE ID: {cve.id}")
print(f"Published: {cve.published}")
print(f"Status: {cve.vulnStatus}")
print(f"CVSS v3 Score: {cve.cvss_v3_score}")
print(f"Description: {cve.description[:200]}...")
print()
print("=" * 80)
print("Example 2: Search CVEs by keyword (limited to 5 results)")
print("=" * 80)
count = 0
async for cve in client.cve.search_cves(keyword="sql injection"):
print(f"{cve.id}: {cve.description[:100]}...")
count += 1
if count >= 5:
break
print()
print("=" * 80)
print("Example 3: Get CVEs with CRITICAL severity (limited to 5)")
print("=" * 80)
count = 0
async for cve in client.cve.search_cves(cvss_v3_severity="CRITICAL"):
score = cve.cvss_v3_score or "N/A"
print(f"{cve.id} - Score: {score} - {cve.description[:80]}...")
count += 1
if count >= 5:
break
print()
print("=" * 80)
print("Example 4: Search CPEs by keyword")
print("=" * 80)
count = 0
async for cpe in client.cpe.search_cpes(keyword="apache"):
print(f"{cpe.cpeName}")
print(f" Title: {cpe.title}")
print(f" Deprecated: {cpe.deprecated}")
count += 1
if count >= 5:
break
print()
print("=" * 80)
print("Example 5: Get CVE change history")
print("=" * 80)
history = await client.history.get_cve_history("CVE-2021-44228")
print(f"Found {len(history)} change events for CVE-2021-44228")
for change in history[:3]:
print(f" {change.eventName} at {change.created}")
print()
if __name__ == "__main__":
asyncio.run(main())
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