| import os |
| from pathlib import Path |
| from functools import lru_cache |
|
|
|
|
| class TemplateLoader: |
| """HTML template loader with caching.""" |
| |
| def __init__(self, template_dir: str = "templates"): |
| self.template_dir = Path(__file__).parent / template_dir |
| if not self.template_dir.exists(): |
| raise ValueError(f"Template directory not found: {self.template_dir}") |
| |
| @lru_cache(maxsize=32) |
| def load(self, name: str) -> str: |
| """Load and cache HTML template.""" |
| template_path = self.template_dir / name |
| if not template_path.exists(): |
| raise FileNotFoundError(f"Template not found: {template_path}") |
| |
| with open(template_path, 'r', encoding='utf-8') as f: |
| return f.read() |
| |
| def render(self, name: str, **kwargs) -> str: |
| """Load template and replace placeholders with values.""" |
| html = self.load(name) |
| for key, value in kwargs.items(): |
| placeholder = f"{{{{{key}}}}}" |
| html = html.replace(placeholder, str(value)) |
| return html |
|
|
|
|
| |
| templates = TemplateLoader() |
|
|
