Add a prompt order option to XY plot script

scripts/xy_grid.py

 from collections import namedtuple
 from copy import copy
+from itertools import permutations
 import random
 
 from PIL import Image
@@ -28,6 +29,27 @@ def apply_prompt(p, x, xs):
     p.prompt = p.prompt.replace(xs[0], x)
     p.negative_prompt = p.negative_prompt.replace(xs[0], x)
 
+def apply_order(p, x, xs):
+    token_order = []
+
+    # Initally grab the tokens from the prompt so they can be later be replaced in order of earliest seen in the prompt
+    for token in x:
+        token_order.append((p.prompt.find(token), token))
+
+    token_order.sort(key=lambda t: t[0])
+
+    search_from_pos = 0
+    for idx, token in enumerate(x):
+        original_pos, old_token = token_order[idx]
+
+        # Get position of the token again as it will likely change as tokens are being replaced
+        pos = p.prompt.find(old_token)
+        if original_pos >= 0:
+            # Avoid trying to replace what was just replaced by searching later in the prompt string
+            p.prompt = p.prompt[0:search_from_pos] + p.prompt[search_from_pos:].replace(old_token, token, 1)
+
+        search_from_pos = pos + len(token)
+
 
 samplers_dict = {}
 for i, sampler in enumerate(modules.sd_samplers.samplers):
@@ -60,7 +82,8 @@ def format_value_add_label(p, opt, x):
 def format_value(p, opt, x):
     if type(x) == float:
         x = round(x, 8)
-
+    if type(x) == type(list()):
+        x = str(x)
     return x
 
 def do_nothing(p, x, xs):
@@ -89,6 +112,7 @@ axis_options = [
     AxisOption("Sigma max", float, apply_field("s_tmax"), format_value_add_label),
     AxisOption("Sigma noise", float, apply_field("s_noise"), format_value_add_label),
     AxisOption("Eta", float, apply_field("eta"), format_value_add_label),
+    AxisOption("Prompt order", type(list()), apply_order, format_value),
     AxisOptionImg2Img("Denoising", float, apply_field("denoising_strength"), format_value_add_label),  # as it is now all AxisOptionImg2Img items must go after AxisOption ones
 ]
 
@@ -159,7 +183,11 @@ class Script(scripts.Script):
             if opt.label == 'Nothing':
                 return [0]
 
-            valslist = [x.strip() for x in vals.split(",")]
+            if opt.type == type(list()):
+                valslist = [x for x in vals]
+            else:
+                valslist = [x.strip() for x in vals.split(",")]
+
 
             if opt.type == int:
                 valslist_ext = []
@@ -212,9 +240,17 @@ class Script(scripts.Script):
             return valslist
 
         x_opt = axis_options[x_type]
+
+        if x_opt.label == "Prompt order":
+            x_values = list(permutations([x.strip() for x in x_values.split(",")]))
+
         xs = process_axis(x_opt, x_values)
 
         y_opt = axis_options[y_type]
+
+        if y_opt.label == "Prompt order":
+            y_values = list(permutations([y.strip() for y in y_values.split(",")]))
+
         ys = process_axis(y_opt, y_values)
 
         def fix_axis_seeds(axis_opt, axis_list):