当我提出自己的异常作为响应时,如何更轻松地抑制以前的异常?
发布于 2021-01-29 18:04:20
考虑
try:
import someProprietaryModule
except ImportError:
raise ImportError('It appears that <someProprietaryModule> is not installed...')
运行时,如果未安装someProprietaryModule,则会看到:
(traceback data)
ImportError: unknown module: someProprietaryModule
During handling of the above exception, another exception occurred:
(traceback data)
ImportError: It appears that <someProprietaryModule> is not installed...
也许我不希望出现“在处理以上异常…期间”行(及其上方的行)。我可以这样做:
_moduleInstalled = True
try:
import someProprietaryModule
except ImportError:
_moduleInstalled = False
if not _moduleInstalled:
raise ImportError('It appears that <someProprietaryModule> is not installed...')
但这感觉有点像黑客。我还能做什么?
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