[英]Case insensitive search using a method in Python
I have a method called get_obj_or_none
which returns an object or none. 我有一个名为get_obj_or_none
的方法,该方法返回一个对象或不返回任何对象。
def get_obj_or_none(model, **kwargs):
try:
return model.objects.get(**kwargs)
except model.DoesNotExist:
return None
I'm getting the song name of a Song
object in the variable song_name
我在变量song_name
获取Song
对象的歌曲名称
I'm adding new objects as follows 我添加新对象如下
if not get_obj_or_none(Song, name=song_name, artist=dj):
s = Song(name=song_name, artist=dj, release_date=song['releaseDate'])
s.save()
How can I do a case insensitive search in the get_obj_or_none
method without adding a lower case song_name
to the object's song name? 如何在get_obj_or_none
方法中进行不区分大小写的搜索,而不在对象的歌曲名称中添加小写的song_name
?
您可以通过以下方式进行案例敏感匹配
get_obj_or_none(Song, name__iexact=song_name, artist=dj)
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