kenkeiras/lang-model
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Handle the possibility of remixes not working.

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kenkeiras 2017-05-23 23:17:44 +02:00
parent 6693b7deb0
commit 460ad73bba
1 changed files with 5 additions and 0 deletions
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5
naive-nlu/tree_nlu/parsing.py
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@ -295,6 +295,8 @@ def reprocess_language_knowledge(knowledge_base, examples):
def reverse_remix(tree_section, remix): def reverse_remix(tree_section, remix):
result_section = [] result_section = []
for origin in remix: for origin in remix:
if origin >= len(tree_section):
return None
result_section.append(copy.deepcopy(tree_section[origin])) result_section.append(copy.deepcopy(tree_section[origin]))
return result_section + tree_section[len(remix):] return result_section + tree_section[len(remix):]
@ -332,6 +334,9 @@ def resolve_fit(knowledge, fit, remaining_recursions):
else: else:
((result_type, remixer), tokens) = element ((result_type, remixer), tokens) = element
remixed_tokens = reverse_remix(tokens, remixer) remixed_tokens = reverse_remix(tokens, remixer)
if remixed_tokens is None:
return None
minifit = get_fit(knowledge, remixed_tokens, remaining_recursions - 1) minifit = get_fit(knowledge, remixed_tokens, remaining_recursions - 1)
if minifit is None: if minifit is None:
return None return None