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fix attention weight inside .swap()

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This commit is contained in:
Damian at mba 2022-10-27 21:17:23 +02:00
parent f73d349dfe
commit e20108878c
2 changed files with 34 additions and 6 deletions
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13
ldm/invoke/prompt_parser.py
View File

@ -129,7 +129,7 @@ class CrossAttentionControlSubstitute(CrossAttentionControlledFragment):
default_options = {
's_start': 0.0,
's_end': 0.206, # ~= shape_freedom=0.5
's_end': 0.2062994740159002, # ~= shape_freedom=0.5
't_start': 0.0,
't_end': 1.0
}
@ -145,7 +145,7 @@ class CrossAttentionControlSubstitute(CrossAttentionControlledFragment):
# so for shape_freedom = 0.5 we probably want s_end to be 0.2
# -> cube root and subtract from 1.0
merged_options['s_end'] = 1.0 - shape_freedom ** (1. / 3.)
print('converted shape_freedom argument to', merged_options)
#print('converted shape_freedom argument to', merged_options)
merged_options.update(options)
self.options = merged_options
@ -514,10 +514,11 @@ def build_parser_syntax(attention_plus_base: float, attention_minus_base: float)
# cross attention control
debug_cross_attention_control = False
original_fragment = pp.Or([empty_string.set_debug(debug_cross_attention_control),
original_fragment = pp.MatchFirst([
quoted_fragment.set_debug(debug_cross_attention_control),
parenthesized_fragment.set_debug(debug_cross_attention_control),
pp.Word(pp.printables, exclude_chars=string.whitespace + '.').set_parse_action(make_text_fragment) + pp.FollowedBy(".swap")
pp.Word(pp.printables, exclude_chars=string.whitespace + '.').set_parse_action(make_text_fragment) + pp.FollowedBy(".swap"),
empty_string.set_debug(debug_cross_attention_control),
])
# support keyword=number arguments
cross_attention_option_keyword = pp.Or([pp.Keyword("s_start"), pp.Keyword("s_end"), pp.Keyword("t_start"), pp.Keyword("t_end"), pp.Keyword("shape_freedom")])
@ -525,8 +526,8 @@ def build_parser_syntax(attention_plus_base: float, attention_minus_base: float)
edited_fragment = pp.MatchFirst([
(lparen + rparen).set_parse_action(lambda x: Fragment('')),
lparen +
(quoted_fragment |
pp.Group(pp.ZeroOrMore(pp.Word(pp.printables, exclude_chars=string.whitespace + ',').set_parse_action(make_text_fragment)))
(quoted_fragment | attention |
pp.Group(pp.ZeroOrMore(build_escaped_word_parser_charbychar(',)').set_parse_action(make_text_fragment)))
) +
pp.Dict(pp.ZeroOrMore(comma + cross_attention_option)) +
rparen,

27
tests/test_prompt_parser.py
View File

@ -250,6 +250,33 @@ class PromptParserTestCase(unittest.TestCase):
Fragment(',', 1), Fragment('fire', 2.0)])])
self.assertEqual(flames_to_trees_fire, parse_prompt('"(fire (flames)0.5)0.5".swap("(trees)0.7 houses"), (fire)2.0'))
self.assertEqual(Conjunction([FlattenedPrompt([Fragment('a', 1),
CrossAttentionControlSubstitute([Fragment('cat',1)], [Fragment('dog',1)]),
Fragment('eating a', 1),
CrossAttentionControlSubstitute([Fragment('hotdog',1)], [Fragment('hotdog', pow(1.1,4))])
])]),
parse_prompt("a cat.swap(dog) eating a hotdog.swap(hotdog++++, shape_freedom=0.5)"))
self.assertEqual(Conjunction([FlattenedPrompt([Fragment('a', 1),
CrossAttentionControlSubstitute([Fragment('cat',1)], [Fragment('dog',1)]),
Fragment('eating a', 1),
CrossAttentionControlSubstitute([Fragment('hotdog',1)], [Fragment('hotdog', pow(1.1,4))])
])]),
parse_prompt("a cat.swap(dog) eating a hotdog.swap(\"hotdog++++\", shape_freedom=0.5)"))
self.assertEqual(Conjunction([FlattenedPrompt([Fragment('a', 1),
CrossAttentionControlSubstitute([Fragment('cat',1)], [Fragment('dog',1)]),
Fragment('eating a', 1),
CrossAttentionControlSubstitute([Fragment('hotdog',1)], [Fragment('h(o)tdog', pow(1.1,4))])
])]),
parse_prompt("a cat.swap(dog) eating a hotdog.swap(h\(o\)tdog++++, shape_freedom=0.5)"))
self.assertEqual(Conjunction([FlattenedPrompt([Fragment('a', 1),
CrossAttentionControlSubstitute([Fragment('cat',1)], [Fragment('dog',1)]),
Fragment('eating a', 1),
CrossAttentionControlSubstitute([Fragment('hotdog',1)], [Fragment('h(o)tdog', pow(1.1,4))])
])]),
parse_prompt("a cat.swap(dog) eating a hotdog.swap(\"h\(o\)tdog++++\", shape_freedom=0.5)"))
def test_cross_attention_control_options(self):
self.assertEqual(Conjunction([
FlattenedPrompt([Fragment('a', 1),