擅长:python、mysql、java
<p>在Python 2.7和Python 3中可以这样做:</p>
<pre><code>try:
import someProprietaryModule
except ImportError as e:
raised_error = e
if isinstance(raised_error, ImportError):
raise ImportError('It appears that <someProprietaryModule> is not installed...')
</code></pre>