擅长:python、mysql、java
<p>因为<code>imdb.Movie.Movie</code>是<code>imdb.utils._Container</code>的一个子类,其<code>get</code>方法类似于<a href="https://docs.python.org/3.6/library/stdtypes.html?highlight=get#dict.get" rel="nofollow noreferrer">that of a ^{<cd4>}</a>,并且docstring读取:</p>
<pre><code>>>> imdb.utils._Container.get.__doc__
"Return the given section, or default if it's not found."
</code></pre>
<p>这意味着您可以这样做,以在没有关键字的情况下从不引发异常:</p>
<pre><code>movie = ia.get_movie('5950092', info='keywords')
movie.get('keywords', [])
# Result: [], empty list
</code></pre>
<p>如果您想:</p>
<pre><code>try:
keywords = movie['keywords']
except KeyError:
keywords = []
</code></pre>