Use existing function for old sampler names

modules/api/api.py

@@ -48,15 +48,6 @@ def validate_sampler_name(name):
     return name
 
 
-def parse_old_sampler_name(name):
-    for scheduler in sd_schedulers.schedulers:
-        for scheduler_name in [scheduler.label, scheduler.name, *(scheduler.aliases or [])]:
-            if name.endswith(" " + scheduler_name):
-                return name[0:-(len(scheduler_name) + 1)], scheduler_name
-
-    return name, "Automatic"
-
-
 def setUpscalers(req: dict):
     reqDict = vars(req)
     reqDict['extras_upscaler_1'] = reqDict.pop('upscaler_1', None)
@@ -447,7 +438,7 @@ def text2imgapi(self, txt2imgreq: models.StableDiffusionTxt2ImgProcessingAPI):
         self.apply_infotext(txt2imgreq, "txt2img", script_runner=script_runner, mentioned_script_args=infotext_script_args)
 
         selectable_scripts, selectable_script_idx = self.get_selectable_script(txt2imgreq.script_name, script_runner)
-        sampler, scheduler = parse_old_sampler_name(txt2imgreq.sampler_name or txt2imgreq.sampler_index)
+        sampler, scheduler = sd_samplers.get_sampler_and_scheduler(txt2imgreq.sampler_name or txt2imgreq.sampler_index, txt2imgreq.scheduler)
 
         populate = txt2imgreq.copy(update={  # Override __init__ params
             "sampler_name": validate_sampler_name(sampler),
@@ -457,7 +448,7 @@ def text2imgapi(self, txt2imgreq: models.StableDiffusionTxt2ImgProcessingAPI):
         if populate.sampler_name:
             populate.sampler_index = None  # prevent a warning later on
 
-        if not populate.scheduler:
+        if not populate.scheduler and scheduler != "Automatic":
             populate.scheduler = scheduler
 
         args = vars(populate)
@@ -515,7 +506,7 @@ def img2imgapi(self, img2imgreq: models.StableDiffusionImg2ImgProcessingAPI):
         self.apply_infotext(img2imgreq, "img2img", script_runner=script_runner, mentioned_script_args=infotext_script_args)
 
         selectable_scripts, selectable_script_idx = self.get_selectable_script(img2imgreq.script_name, script_runner)
-        sampler, scheduler = parse_old_sampler_name(img2imgreq.sampler_name or img2imgreq.sampler_index)
+        sampler, scheduler = sd_samplers.get_sampler_and_scheduler(img2imgreq.sampler_name or img2imgreq.sampler_index, img2imgreq.scheduler)
 
         populate = img2imgreq.copy(update={  # Override __init__ params
             "sampler_name": validate_sampler_name(sampler),
@@ -526,7 +517,7 @@ def img2imgapi(self, img2imgreq: models.StableDiffusionImg2ImgProcessingAPI):
         if populate.sampler_name:
             populate.sampler_index = None  # prevent a warning later on
 
-        if not populate.scheduler:
+        if not populate.scheduler and scheduler != "Automatic":
             populate.scheduler = scheduler
 
         args = vars(populate)