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Split exception should be a warning

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* we can't be 100% sure we're wrong and the user is right
This commit is contained in:
Davide Depau 2017-07-10 20:28:07 +02:00
parent f0ea9614cd
commit e8c51f2b20
1 changed files with 4 additions and 2 deletions
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6
ffmpeg/_run.py
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@ -1,5 +1,7 @@
from __future__ import unicode_literals
import warnings
from .dag import get_outgoing_edges, topo_sort
from functools import reduce
from past.builtins import basestring
@ -70,8 +72,8 @@ def _allocate_filter_stream_names(filter_nodes, outgoing_edge_maps, stream_name_
for upstream_label, downstreams in outgoing_edge_map.items():
if len(downstreams) > 1:
# TODO: automatically insert `splits` ahead of time via graph transformation.
raise ValueError('Encountered {} with multiple outgoing edges with same upstream label {!r}; a '
'`split` filter is probably required'.format(upstream_node, upstream_label))
warnings.warn('Encountered {} with multiple outgoing edges with same upstream label {!r}; a '
'`split` filter is probably required'.format(upstream_node, upstream_label), RuntimeWarning)
stream_name_map[upstream_node, upstream_label] = _get_stream_name('s{}'.format(stream_count))
stream_count += 1