fix(core): 增强WeasyPrint可用性检测逻辑

添加实际PDF生成测试以验证WeasyPrint依赖库是否真正可用捕获并记录所有异常情况，确保PDF功能状态准确
2026-01-21 22:04:18 +08:00
parent eee44ad342
commit 32da4c9cf1
1 changed files with 10 additions and 0 deletions
--- a/core/views.py
+++ b/core/views.py
@@ -18,10 +18,20 @@ def is_weasyprint_available():
    if WEASYPRINT_AVAILABLE is None:
        try:
            from weasyprint import HTML
+            # 测试WeasyPrint是否真正可用，检查依赖库
+            test_html = HTML(string="<html><body>Test</body></html>")
+            # 尝试生成PDF以验证依赖库是否可用
+            import tempfile
+            with tempfile.NamedTemporaryFile(suffix='.pdf', delete=True) as tmp:
+                test_html.write_pdf(tmp.name)
            WEASYPRINT_AVAILABLE = True
+            logger.info("WeasyPrint库可用，PDF功能正常")
        except ImportError:
            logger.warning("WeasyPrint库无法导入，PDF功能将不可用")
            WEASYPRINT_AVAILABLE = False
+        except Exception as e:
+            logger.warning(f"WeasyPrint依赖库不可用: {str(e)}，PDF功能将不可用")
+            WEASYPRINT_AVAILABLE = False
    return WEASYPRINT_AVAILABLE

 from .models import (