def _is_episode_downloaded(episode):
"""Checks if this item has already been downloaded."""
try:
Episode.select() \
.where(Episode.show == episode.show) \
.where(Episode.season == episode.season) \
.where(Episode.episode == episode.episode) \
.where(Episode.is_downloaded == 1) \
.get()
return True
except DoesNotExist:
return False
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