custom prompt experiment

src/backend/langflow/custom/customs.py

@@ -1,7 +1,9 @@
 from langflow.template import nodes
 
 CUSTOM_NODES = {
-    "prompts": {**nodes.ZeroShotPromptNode().to_dict()},
+    "prompts": {
+        **nodes.ZeroShotPromptNode().to_dict(),
+    },
     "tools": {**nodes.PythonFunctionNode().to_dict(), **nodes.ToolNode().to_dict()},
     "agents": {
         **nodes.JsonAgentNode().to_dict(),

src/backend/langflow/template/base.py

@@ -3,6 +3,7 @@ from typing import Any, Dict, Optional, Union
 
 from pydantic import BaseModel
 
+from langflow.template.constants import FORCE_SHOW_FIELDS
 from langflow.utils import constants
 
 
@@ -68,17 +69,7 @@ class TemplateFieldCreator(BaseModel, ABC):
         # Show or not field
         self.show = bool(
             (self.required and key not in ["input_variables"])
-            or key
-            in [
-                "allowed_tools",
-                "memory",
-                "prefix",
-                "examples",
-                "temperature",
-                "model_name",
-                "headers",
-                "max_value_length",
-            ]
+            or key in FORCE_SHOW_FIELDS
             or "api_key" in key
         )
 

src/backend/langflow/template/nodes.py

@@ -49,6 +49,16 @@ class ZeroShotPromptNode(FrontendNode):
         return super().to_dict()
 
 
+class PromptTemplateNode(FrontendNode):
+    name: str = "PromptTemplate"
+    template: Template
+    description: str
+    base_classes: list[str] = ["BasePromptTemplate"]
+
+    def to_dict(self):
+        return super().to_dict()
+
+
 class PythonFunctionNode(FrontendNode):
     name: str = "PythonFunction"
     template: Template = Template(

src/backend/langflow/utils/util.py

@@ -3,6 +3,7 @@ import inspect
 import re
 from typing import Dict, Optional
 
+from langflow.template.constants import FORCE_SHOW_FIELDS
 from langflow.utils import constants
 
 
@@ -284,17 +285,7 @@ def format_dict(d, name: Optional[str] = None):
         # Show or not field
         value["show"] = bool(
             (value["required"] and key not in ["input_variables"])
-            or key
-            in [
-                "allowed_tools",
-                "memory",
-                "prefix",
-                "examples",
-                "temperature",
-                "model_name",
-                "headers",
-                "max_value_length",
-            ]
+            or key in FORCE_SHOW_FIELDS
             or "api_key" in key
         )