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summarize_items(): work even with 0 items

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It crashed on empty albums.

Fix #1357
This commit is contained in:
Bruno Cauet 2015-03-16 14:00:47 +01:00
parent cf3388fae7
commit 18fc0cd3de
1 changed files with 7 additions and 8 deletions
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15
beets/ui/commands.py
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@ -426,8 +426,6 @@ def summarize_items(items, singleton):
this is an album or single-item import (if the latter, them `items`
should only have one element).
"""
assert items, "summarizing zero items"
summary_parts = []
if not singleton:
summary_parts.append("{0} items".format(len(items)))
@ -443,12 +441,13 @@ def summarize_items(items, singleton):
for fmt, count in format_counts.iteritems():
summary_parts.append('{0} {1}'.format(fmt, count))
average_bitrate = sum([item.bitrate for item in items]) / len(items)
total_duration = sum([item.length for item in items])
total_filesize = sum([item.filesize for item in items])
summary_parts.append('{0}kbps'.format(int(average_bitrate / 1000)))
summary_parts.append(ui.human_seconds_short(total_duration))
summary_parts.append(ui.human_bytes(total_filesize))
if items:
average_bitrate = sum([item.bitrate for item in items]) / len(items)
total_duration = sum([item.length for item in items])
total_filesize = sum([item.filesize for item in items])
summary_parts.append('{0}kbps'.format(int(average_bitrate / 1000)))
summary_parts.append(ui.human_seconds_short(total_duration))
summary_parts.append(ui.human_bytes(total_filesize))
return ', '.join(summary_parts)