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fix(core): 增强WeasyPrint可用性检测逻辑

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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
This commit is contained in:
xiaji
2026-01-21 22:04:18 +08:00
parent eee44ad342
commit 32da4c9cf1
1 changed files with 10 additions and 0 deletions
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10
core/views.py
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@@ -18,10 +18,20 @@ def is_weasyprint_available():
if WEASYPRINT_AVAILABLE is None: if WEASYPRINT_AVAILABLE is None:
try: try:
from weasyprint import HTML 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 WEASYPRINT_AVAILABLE = True
logger.info("WeasyPrint库可用，PDF功能正常")
except ImportError: except ImportError:
logger.warning("WeasyPrint库无法导入，PDF功能将不可用") logger.warning("WeasyPrint库无法导入，PDF功能将不可用")
WEASYPRINT_AVAILABLE = False 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 return WEASYPRINT_AVAILABLE
from .models import ( from .models import (