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""" |
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Vietnamese Legal Corpus Browser Downloader |
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Uses Playwright to download laws from thuvienphapluat.vn |
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""" |
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import re |
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import sqlite3 |
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import asyncio |
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from pathlib import Path |
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from datetime import datetime |
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import click |
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from rich.console import Console |
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from rich.progress import Progress, SpinnerColumn, TextColumn, BarColumn, TaskProgressColumn |
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console = Console() |
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DATA_DIR = Path(__file__).parent.parent / "data" |
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DB_PATH = Path(__file__).parent.parent / "vietnam_laws.sqlite" |
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KNOWN_URLS = { |
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"91/2015/QH13": "https://thuvienphapluat.vn/van-ban/Quyen-dan-su/Bo-luat-dan-su-2015-296215.aspx", |
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"92/2015/QH13": "https://thuvienphapluat.vn/van-ban/Thu-tuc-To-tung/Bo-luat-to-tung-dan-su-2015-296861.aspx", |
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"100/2015/QH13": "https://thuvienphapluat.vn/van-ban/Trach-nhiem-hinh-su/Bo-luat-hinh-su-2015-296661.aspx", |
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"101/2015/QH13": "https://thuvienphapluat.vn/van-ban/Trach-nhiem-hinh-su/Bo-luat-to-tung-hinh-su-2015-296884.aspx", |
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"95/2015/QH13": "https://thuvienphapluat.vn/van-ban/Giao-thong-Van-tai/Bo-luat-hang-hai-Viet-Nam-2015-298822.aspx", |
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"45/2019/QH14": "https://thuvienphapluat.vn/van-ban/Lao-dong-Tien-luong/Bo-luat-Lao-dong-2019-428584.aspx", |
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} |
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def slugify(text: str) -> str: |
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"""Convert Vietnamese text to slug.""" |
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vietnamese_map = { |
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'à': 'a', 'á': 'a', 'ả': 'a', 'ã': 'a', 'ạ': 'a', |
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'ă': 'a', 'ằ': 'a', 'ắ': 'a', 'ẳ': 'a', 'ẵ': 'a', 'ặ': 'a', |
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'â': 'a', 'ầ': 'a', 'ấ': 'a', 'ẩ': 'a', 'ẫ': 'a', 'ậ': 'a', |
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'đ': 'd', |
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'è': 'e', 'é': 'e', 'ẻ': 'e', 'ẽ': 'e', 'ẹ': 'e', |
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'ê': 'e', 'ề': 'e', 'ế': 'e', 'ể': 'e', 'ễ': 'e', 'ệ': 'e', |
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'ì': 'i', 'í': 'i', 'ỉ': 'i', 'ĩ': 'i', 'ị': 'i', |
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'ò': 'o', 'ó': 'o', 'ỏ': 'o', 'õ': 'o', 'ọ': 'o', |
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'ô': 'o', 'ồ': 'o', 'ố': 'o', 'ổ': 'o', 'ỗ': 'o', 'ộ': 'o', |
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'ơ': 'o', 'ờ': 'o', 'ớ': 'o', 'ở': 'o', 'ỡ': 'o', 'ợ': 'o', |
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'ù': 'u', 'ú': 'u', 'ủ': 'u', 'ũ': 'u', 'ụ': 'u', |
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'ư': 'u', 'ừ': 'u', 'ứ': 'u', 'ử': 'u', 'ữ': 'u', 'ự': 'u', |
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'ỳ': 'y', 'ý': 'y', 'ỷ': 'y', 'ỹ': 'y', 'ỵ': 'y', |
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} |
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text = text.lower() |
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for viet, ascii_char in vietnamese_map.items(): |
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text = text.replace(viet, ascii_char) |
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text = re.sub(r'[^a-z0-9]+', '-', text) |
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text = re.sub(r'-+', '-', text) |
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return text.strip('-') |
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def create_front_matter(metadata: dict) -> str: |
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"""Create YAML front matter.""" |
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lines = ["---"] |
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for key, value in metadata.items(): |
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if value is not None: |
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if isinstance(value, str) and ('\n' in value or ':' in value or '"' in value): |
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value = value.replace('"', '\\"').replace('\n', ' ') |
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lines.append(f'{key}: "{value}"') |
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else: |
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lines.append(f"{key}: {value}") |
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lines.append("---") |
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return "\n".join(lines) |
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def get_laws_from_db() -> list[dict]: |
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"""Get laws from SQLite database.""" |
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if not DB_PATH.exists(): |
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return [] |
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conn = sqlite3.connect(DB_PATH) |
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conn.row_factory = sqlite3.Row |
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cursor = conn.cursor() |
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laws = [] |
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cursor.execute("SELECT * FROM codes") |
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for row in cursor.fetchall(): |
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laws.append({ |
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"id": f"code-{row['id']}", |
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"type": "code", |
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"name": row["name"], |
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"name_vi": row["name_vi"], |
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"year": row["year"], |
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"document_number": row["document_number"], |
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"effective_date": row["effective_date"], |
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"status": row["status"], |
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}) |
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cursor.execute("SELECT * FROM laws") |
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for row in cursor.fetchall(): |
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laws.append({ |
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"id": f"law-{row['id']}", |
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"type": "law", |
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"name": row["name"], |
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"name_vi": row["name_vi"], |
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"year": row["year"], |
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"document_number": row["document_number"], |
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"effective_date": row["effective_date"], |
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"status": row["status"], |
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}) |
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conn.close() |
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return laws |
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def save_law_file(law: dict, content: str | None = None, url: str | None = None) -> Path: |
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"""Save law to markdown file.""" |
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DATA_DIR.mkdir(parents=True, exist_ok=True) |
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law_type = law.get("type", "law") |
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year = law.get("year", "unknown") |
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name_vi = law.get("name_vi", law.get("name", "unknown")) |
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slug = slugify(name_vi) |
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prefix = "code" if law_type == "code" else "law" |
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filename = f"{prefix}-{year}-{slug}.md" |
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filepath = DATA_DIR / filename |
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front_matter_data = { |
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"title": law.get("name_vi", law.get("name")), |
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"title_en": law.get("name"), |
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"type": law_type, |
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"year": year, |
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"document_number": law.get("document_number"), |
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"effective_date": law.get("effective_date"), |
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"status": law.get("status", "Active"), |
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"url": url, |
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"downloaded_at": datetime.now().isoformat(), |
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} |
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md_content = create_front_matter(front_matter_data) |
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md_content += "\n\n" |
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md_content += f"# {law.get('name_vi', law.get('name'))}\n\n" |
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if law.get("name"): |
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md_content += f"**English:** {law['name']}\n\n" |
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if law.get("document_number"): |
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md_content += f"**Số hiệu:** {law['document_number']}\n\n" |
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if law.get("effective_date"): |
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md_content += f"**Ngày hiệu lực:** {law['effective_date']}\n\n" |
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if content: |
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md_content += "---\n\n" |
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md_content += content |
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else: |
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md_content += "*Nội dung chưa được tải xuống.*\n" |
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filepath.write_text(md_content, encoding="utf-8") |
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return filepath |
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async def download_with_playwright(laws: list[dict], delay: float = 2.0): |
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"""Download laws using Playwright.""" |
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try: |
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from playwright.async_api import async_playwright |
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except ImportError: |
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console.print("[red]Playwright not installed. Run: uv pip install playwright && playwright install chromium[/red]") |
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return |
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async with async_playwright() as p: |
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browser = await p.chromium.launch(headless=True) |
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context = await browser.new_context( |
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user_agent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36" |
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) |
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page = await context.new_page() |
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with Progress( |
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SpinnerColumn(), |
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TextColumn("[progress.description]{task.description}"), |
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BarColumn(), |
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TaskProgressColumn(), |
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console=console, |
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) as progress: |
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task = progress.add_task("Downloading...", total=len(laws)) |
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for law in laws: |
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name = law.get("name_vi", law.get("name", "Unknown")) |
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doc_num = law.get("document_number", "") |
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progress.update(task, description=f"[cyan]{name[:40]}[/cyan]") |
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content = None |
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url = KNOWN_URLS.get(doc_num) |
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if not url: |
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try: |
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search_url = f"https://thuvienphapluat.vn/page/tim-van-ban.aspx?keyword={doc_num or name}" |
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await page.goto(search_url, wait_until="networkidle", timeout=30000) |
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await asyncio.sleep(1) |
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link = await page.query_selector("a[href*='/van-ban/']") |
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if link: |
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url = await link.get_attribute("href") |
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if url and not url.startswith("http"): |
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url = f"https://thuvienphapluat.vn{url}" |
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except Exception as e: |
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console.print(f"[yellow]Search failed: {name}: {e}[/yellow]") |
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if url: |
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try: |
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await page.goto(url, wait_until="networkidle", timeout=30000) |
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await asyncio.sleep(1) |
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content_elem = await page.query_selector(".content1, .toanvancontent, .fulltext") |
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if content_elem: |
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content = await content_elem.inner_text() |
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except Exception as e: |
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console.print(f"[yellow]Fetch failed: {name}: {e}[/yellow]") |
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save_law_file(law, content, url) |
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progress.advance(task) |
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await asyncio.sleep(delay) |
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await browser.close() |
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@click.command() |
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@click.option("--delay", default=2.0, help="Delay between requests (seconds)") |
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@click.option("--limit", default=0, help="Limit number of laws (0 = all)") |
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def download(delay: float, limit: int): |
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"""Download laws using browser automation.""" |
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console.print("[bold blue]VLC Browser Downloader[/bold blue]\n") |
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laws = get_laws_from_db() |
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if not laws: |
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console.print("[yellow]No laws in database[/yellow]") |
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return |
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if limit > 0: |
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laws = laws[:limit] |
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console.print(f"Found [green]{len(laws)}[/green] laws to download") |
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console.print(f"Output: [cyan]{DATA_DIR}[/cyan]\n") |
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asyncio.run(download_with_playwright(laws, delay)) |
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console.print(f"\n[green]Done![/green] Files saved to {DATA_DIR}") |
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if __name__ == "__main__": |
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download() |
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