alternate prompt

1 files changed, 7 insertions, 2 deletions

diff --git a/modules/prompt_parser.py b/modules/prompt_parser.py
index 15666073..919d5d31 100644
--- a/modules/prompt_parser.py
+++ b/modules/prompt_parser.py
@@ -13,13 +13,14 @@ import lark
 

 schedule_parser = lark.Lark(r"""

 !start: (prompt | /[][():]/+)*

-prompt: (emphasized | scheduled | plain | WHITESPACE)*

+prompt: (emphasized | scheduled | alternate | plain | WHITESPACE)*

 !emphasized: "(" prompt ")"

         | "(" prompt ":" prompt ")"

         | "[" prompt "]"

 scheduled: "[" [prompt ":"] prompt ":" [WHITESPACE] NUMBER "]"

+alternate: "[" prompt ("|" prompt)+ "]"

 WHITESPACE: /\s+/

-plain: /([^\\\[\]():]|\\.)+/

+plain: /([^\\\[\]():|]|\\.)+/

 %import common.SIGNED_NUMBER -> NUMBER

 """)

 

@@ -59,6 +60,8 @@ def get_learned_conditioning_prompt_schedules(prompts, steps):
                     tree.children[-1] *= steps

                 tree.children[-1] = min(steps, int(tree.children[-1]))

                 l.append(tree.children[-1])

+            def alternate(self, tree):

+                l.extend(range(1, steps+1))

         CollectSteps().visit(tree)

         return sorted(set(l))

 

@@ -67,6 +70,8 @@ def get_learned_conditioning_prompt_schedules(prompts, steps):
             def scheduled(self, args):

                 before, after, _, when = args

                 yield before or () if step <= when else after

+            def alternate(self, args):

+                yield next(args[(step - 1)%len(args)])

             def start(self, args):

                 def flatten(x):

                     if type(x) == str: