Adding Support for Key-Value Pair Objects in Input Flows (#845)

docs/docs/components/custom.mdx

@@ -33,6 +33,7 @@ The CustomComponent class serves as the foundation for creating custom component
   | Supported Types                                           |
   | --------------------------------------------------------- |
   | _`str`_, _`int`_, _`float`_, _`bool`_, _`list`_, _`dict`_ |
+  | _`langflow.field_typing.NestedDict`_                      |
   | _`langchain.chains.base.Chain`_                           |
   | _`langchain.PromptTemplate`_                              |
   | _`langchain.llms.base.BaseLLM`_                           |
@@ -44,6 +45,8 @@ The CustomComponent class serves as the foundation for creating custom component
   | _`langchain.embeddings.base.Embeddings`_                  |
   | _`langchain.schema.BaseRetriever`_                        |
 
+  The difference between _`dict`_ and _`langflow.field_typing.NestedDict`_ is that one adds a simple key-value pair field, while the other opens a more robust dictionary editor.
+
   <Admonition type="info">
     Unlike Langchain types, base Python types do not add a
     [handle](../guidelines/components) to the field by default. To add handles,

src/backend/langflow/components/chains/PromptRunner.py

@@ -16,17 +16,14 @@ class PromptRunner(CustomComponent):
             "info": "Make sure the prompt has all variables filled.",
         },
         "code": {"show": False},
-        "inputs": {"field_type": "code"},
     }
 
     def build(
-        self,
+        self, llm: BaseLLM, prompt: PromptTemplate, inputs: dict = {}
-        llm: BaseLLM,
-        prompt: PromptTemplate,
     ) -> Document:
         chain = prompt | llm
         # The input is an empty dict because the prompt is already filled
-        result = chain.invoke({})
+        result = chain.invoke(input=inputs)
         if hasattr(result, "content"):
             result = result.content
         self.repr_value = result

src/backend/langflow/components/retrievers/MetalRetriever.py

@@ -14,7 +14,7 @@ class MetalRetrieverComponent(CustomComponent):
             "api_key": {"display_name": "API Key", "password": True},
             "client_id": {"display_name": "Client ID", "password": True},
             "index_id": {"display_name": "Index ID"},
-            "params": {"display_name": "Parameters", "field_type": "code"},
+            "params": {"display_name": "Parameters"},
             "code": {"show": False},
         }
 

src/backend/langflow/components/utilities/GetRequest.py

@@ -19,7 +19,6 @@ class GetRequest(CustomComponent):
         },
         "headers": {
             "display_name": "Headers",
-            "field_type": "code",
             "info": "The headers to send with the request.",
         },
         "code": {"show": False},

src/backend/langflow/components/utilities/PostRequest.py

@@ -15,7 +15,6 @@ class PostRequest(CustomComponent):
         "url": {"display_name": "URL", "info": "The URL to make the request to."},
         "headers": {
             "display_name": "Headers",
-            "field_type": "code",
             "info": "The headers to send with the request.",
         },
         "code": {"show": False},

src/backend/langflow/components/utilities/UpdateRequest.py

@@ -15,7 +15,7 @@ class UpdateRequest(CustomComponent):
         "url": {"display_name": "URL", "info": "The URL to make the request to."},
         "headers": {
             "display_name": "Headers",
-            "field_type": "code",
+            "field_type": "NestedDict",
             "info": "The headers to send with the request.",
         },
         "code": {"show": False},

src/backend/langflow/field_typing/__init__.py

@@ -0,0 +1,3 @@
+from .base import NestedDict
+
+__all__ = ["NestedDict"]

src/backend/langflow/field_typing/base.py

@@ -0,0 +1,4 @@
+from typing import Union, Dict
+
+# Type alias for more complex dicts
+NestedDict = Dict[str, Union[str, Dict]]

src/backend/langflow/graph/vertex/base.py

@@ -122,6 +122,19 @@ class Vertex:
                     except Exception as exc:
                         logger.debug(f"Error parsing code: {exc}")
                         params[key] = value.get("value")
+                elif value.get("type") in ["dict", "NestedDict"]:
+                    # When dict comes from the frontend it comes as a
+                    # list of dicts, so we need to convert it to a dict
+                    # before passing it to the build method
+                    _value = value.get("value")
+                    if isinstance(_value, list):
+                        params[key] = {
+                            k: v
+                            for item in value.get("value", [])
+                            for k, v in item.items()
+                        }
+                    elif isinstance(_value, dict):
+                        params[key] = _value
                 else:
                     params[key] = value.get("value")
 

src/backend/langflow/interface/run.py

@@ -59,7 +59,7 @@ def get_memory_key(langchain_object):
         "history": "chat_history",
     }
     # Check if memory_key attribute exists
-    if hasattr(langchain_object.memory, 'memory_key'):
+    if hasattr(langchain_object.memory, "memory_key"):
         memory_key = langchain_object.memory.memory_key
         return mem_key_dict.get(memory_key)
     else:
@@ -90,5 +90,4 @@ def update_memory_keys(langchain_object, possible_new_mem_key):
         try:
             setattr(langchain_object.memory, attr, key)
         except ValueError as exc:
-            logger.debug(
+            logger.debug(f"{langchain_object.memory} has no attribute {attr} ({exc})")
-                f"{langchain_object.memory} has no attribute {attr} ({exc})")

src/backend/langflow/template/frontend_node/base.py

@@ -140,13 +140,16 @@ class FrontendNode(BaseModel):
     @staticmethod
     def handle_dict_type(field: TemplateField, _type: str) -> str:
         """Handles 'dict' type by replacing it with 'code' or 'file' based on the field name."""
-        if "dict" in _type.lower():
+        if "dict" in _type.lower() and field.name == "dict_":
-            if field.name == "dict_":
+            field.field_type = "file"
-                field.field_type = "file"
+            field.suffixes = [".json", ".yaml", ".yml"]
-                field.suffixes = [".json", ".yaml", ".yml"]
+            field.file_types = ["json", "yaml", "yml"]
-                field.file_types = ["json", "yaml", "yml"]
+        elif (
-            else:
+            _type.startswith("Dict")
-                field.field_type = "code"
+            or _type.startswith("Mapping")
+            or _type.startswith("dict")
+        ):
+            field.field_type = "dict"
         return _type
 
     @staticmethod
@@ -240,20 +243,6 @@ class FrontendNode(BaseModel):
             "description",
         }
 
-    @staticmethod
-    def replace_dict_with_code_or_file(
-        field: TemplateField, _type: str, key: str
-    ) -> str:
-        """Replaces 'dict' type with 'code' or 'file'."""
-        if "dict" in _type.lower():
-            if key == "dict_":
-                field.field_type = "file"
-                field.suffixes = [".json", ".yaml", ".yml"]
-                field.file_types = ["json", "yaml", "yml"]
-            else:
-                field.field_type = "code"
-        return field.field_type
-
     @staticmethod
     def set_field_default_value(field: TemplateField, value: dict, key: str) -> None:
         """Sets the field value with the default value if present."""

src/backend/langflow/template/frontend_node/documentloaders.py

@@ -170,11 +170,11 @@ class DocumentLoaderFrontNode(FrontendNode):
             # add a metadata field of type dict
         self.template.add_field(
             TemplateField(
-                field_type="code",
+                field_type="dict",
                 required=True,
                 show=True,
                 name="metadata",
-                value="{}",
+                value={},
                 display_name="Metadata",
                 multiline=False,
             )

src/backend/langflow/template/frontend_node/embeddings.py

@@ -89,7 +89,7 @@ class EmbeddingFrontendNode(FrontendNode):
         if field.name == "headers":
             field.show = False
         if field.name == "model_kwargs":
-            field.field_type = "code"
+            field.field_type = "dict"
             field.advanced = True
             field.show = True
         elif field.name in [

src/backend/langflow/template/frontend_node/formatter/field_formatters.py

@@ -153,10 +153,13 @@ class DictCodeFileFormatter(FieldFormatter):
         key = field.name
         value = field.to_dict()
         _type = value["type"]
-        if "dict" in _type.lower():
+        if "dict" in _type.lower() and key == "dict_":
-            if key == "dict_":
+            field.field_type = "file"
-                field.field_type = "file"
+            field.suffixes = [".json", ".yaml", ".yml"]
-                field.suffixes = [".json", ".yaml", ".yml"]
+            field.file_types = ["json", "yaml", "yml"]
-                field.file_types = ["json", "yaml", "yml"]
+        elif (
-            else:
+            _type.startswith("Dict")
-                field.field_type = "code"
+            or _type.startswith("Mapping")
+            or _type.startswith("dict")
+        ):
+            field.field_type = "dict"

src/backend/langflow/template/frontend_node/llms.py

@@ -131,7 +131,7 @@ class LLMFrontendNode(FrontendNode):
         if display_name := display_names_dict.get(field.name):
             field.display_name = display_name
         if field.name == "model_kwargs":
-            field.field_type = "code"
+            field.field_type = "dict"
             field.advanced = True
             field.show = True
         elif field.name in [

src/backend/langflow/template/frontend_node/prompts.py

@@ -15,6 +15,7 @@ from langflow.template.template.base import Template
 class PromptFrontendNode(FrontendNode):
     @staticmethod
     def format_field(field: TemplateField, name: Optional[str] = None) -> None:
+        FrontendNode.format_field(field, name)
         # if field.field_type  == "StringPromptTemplate"
         # change it to str
         PROMPT_FIELDS = [

src/backend/langflow/template/frontend_node/utilities.py

@@ -21,5 +21,4 @@ class UtilitiesFrontendNode(FrontendNode):
             field.field_type = "str"
 
         if isinstance(field.value, dict):
-            field.field_type = "code"
             field.value = orjson_dumps(field.value)

src/backend/langflow/template/frontend_node/vectorstores.py

@@ -56,7 +56,7 @@ class VectorStoreFrontendNode(FrontendNode):
         # Add search_kwargs field
         extra_field = TemplateField(
             name="search_kwargs",
-            field_type="code",
+            field_type="NestedDict",
             required=False,
             placeholder="",
             show=True,

src/backend/langflow/utils/constants.py

@@ -48,4 +48,14 @@ def python_function(text: str) -> str:
     return text
 """
 
-DIRECT_TYPES = ["str", "bool", "code", "int", "float", "Any", "prompt"]
+DIRECT_TYPES = [
+    "str",
+    "bool",
+    "dict",
+    "int",
+    "float",
+    "Any",
+    "prompt",
+    "code",
+    "NestedDict",
+]

src/backend/langflow/utils/util.py

@@ -276,8 +276,6 @@ def format_dict(
         value["password"] = is_password_field(key)
         value["multiline"] = is_multiline_field(key)
 
-        replace_dict_type_with_code(value)
-
         if key == "dict_":
             set_dict_file_attributes(value)
 
@@ -407,14 +405,6 @@ def is_multiline_field(key: str) -> bool:
     }
 
 
-def replace_dict_type_with_code(value: Dict[str, Any]) -> None:
-    """
-    Replaces the type value with 'code' if the type is a dict.
-    """
-    if "dict" in value["type"].lower():
-        value["type"] = "code"
-
-
 def set_dict_file_attributes(value: Dict[str, Any]) -> None:
     """
     Sets the file attributes for the 'dict_' key.

src/frontend/package-lock.json

@@ -58,6 +58,7 @@
         "react-syntax-highlighter": "^15.5.0",
         "react-tabs": "^6.0.2",
         "react-tooltip": "^5.21.1",
+        "react18-json-view": "^0.2.3",
         "reactflow": "^11.8.3",
         "rehype-mathjax": "^4.0.3",
         "remark-gfm": "^3.0.1",
@@ -8872,6 +8873,14 @@
         "react-dom": ">=16.6.0"
       }
     },
+    "node_modules/react18-json-view": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/react18-json-view/-/react18-json-view-0.2.3.tgz",
+      "integrity": "sha512-FZlEWS6A3yf1CyuPRtxYrGNZVRvUT1jQvt/kS1C3SDrStwViENsAKhe3NANq37on9cPoNbLD8+KZB+EArNhuWQ==",
+      "peerDependencies": {
+        "react": ">=16.8.0"
+      }
+    },
     "node_modules/reactflow": {
       "version": "11.8.3",
       "resolved": "https://registry.npmjs.org/reactflow/-/reactflow-11.8.3.tgz",

src/frontend/package.json

@@ -53,6 +53,7 @@
     "react-syntax-highlighter": "^15.5.0",
     "react-tabs": "^6.0.2",
     "react-tooltip": "^5.21.1",
+    "react18-json-view": "^0.2.3",
     "reactflow": "^11.8.3",
     "rehype-mathjax": "^4.0.3",
     "remark-gfm": "^3.0.1",

src/frontend/src/App.css

@@ -3,45 +3,78 @@
 @tailwind utilities;
 
 .App {
-	text-align: center;
+  text-align: center;
 }
 
 .App-logo {
-	height: 40vmin;
+  height: 40vmin;
-	pointer-events: none;
+  pointer-events: none;
 }
 
 @media (prefers-reduced-motion: no-preference) {
-	.App-logo {
+  .App-logo {
-		animation: App-logo-spin infinite 20s linear;
+    animation: App-logo-spin infinite 20s linear;
-	}
+  }
 }
 
 .App-header {
-	background-color: #282c34;
+  background-color: #282c34;
-	min-height: 100vh;
+  min-height: 100vh;
-	display: flex;
+  display: flex;
-	flex-direction: column;
+  flex-direction: column;
-	align-items: center;
+  align-items: center;
-	justify-content: center;
+  justify-content: center;
-	font-size: calc(10px + 2vmin);
+  font-size: calc(10px + 2vmin);
-	color: white;
+  color: white;
 }
 
 .App-link {
-	color: #61dafb;
+  color: #61dafb;
 }
 
 @keyframes App-logo-spin {
-	from {
+  from {
-		transform: rotate(0deg);
+    transform: rotate(0deg);
-	}
+  }
-	to {
+  to {
-		transform: rotate(360deg);
+    transform: rotate(360deg);
-	}
+  }
 }
 
 @font-face {
-	font-family: text-security-disc;
+  font-family: text-security-disc;
-	src: url("assets/text-security-disc.woff") format("woff");
+  src: url("assets/text-security-disc.woff") format("woff");
+}
+
+.json-view {
+  height: 370px !important;
+  background-color: #2c2c2c !important;
+  border-radius: 10px !important;
+  padding: 10px !important;
+}
+
+.jv-indent {
+  overflow-y: auto !important;
+  max-height: 310px !important;
+  border-radius: 10px;
+}
+
+.jv-indent::-webkit-scrollbar {
+  width: 8px !important;
+  height: 8px !important;
+  border-radius: 10px;
+}
+
+.jv-indent::-webkit-scrollbar-track {
+  background-color: #f1f1f1 !important;
+  border-radius: 10px;
+}
+
+.jv-indent::-webkit-scrollbar-thumb {
+  background-color: #ccc !important;
+  border-radius: 999px !important;
+}
+
+.jv-indent::-webkit-scrollbar-thumb:hover {
+  background-color: #bbb !important;
 }

src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx

@@ -9,6 +9,7 @@ import React, {
 import { Handle, Position, useUpdateNodeInternals } from "reactflow";
 import ShadTooltip from "../../../../components/ShadTooltipComponent";
 import CodeAreaComponent from "../../../../components/codeAreaComponent";
+import DictComponent from "../../../../components/dictComponent";
 import Dropdown from "../../../../components/dropdownComponent";
 import FloatComponent from "../../../../components/floatComponent";
 import IconComponent from "../../../../components/genericIconComponent";
@@ -16,6 +17,7 @@ import InputComponent from "../../../../components/inputComponent";
 import InputFileComponent from "../../../../components/inputFileComponent";
 import InputListComponent from "../../../../components/inputListComponent";
 import IntComponent from "../../../../components/intComponent";
+import KeypairListComponent from "../../../../components/keypairListComponent";
 import PromptAreaComponent from "../../../../components/promptComponent";
 import TextAreaComponent from "../../../../components/textAreaComponent";
 import ToggleShadComponent from "../../../../components/toggleShadComponent";
@@ -24,7 +26,12 @@ import { TabsContext } from "../../../../contexts/tabsContext";
 import { typesContext } from "../../../../contexts/typesContext";
 import { ParameterComponentType } from "../../../../types/components";
 import { TabsState } from "../../../../types/tabs";
-import { isValidConnection } from "../../../../utils/reactflowUtils";
+import {
+  convertObjToArray,
+  convertValuesToNumbers,
+  hasDuplicateKeys,
+  isValidConnection,
+} from "../../../../utils/reactflowUtils";
 import {
   nodeColors,
   nodeIconsLucide,
@@ -74,13 +81,18 @@ export default function ParameterComponent({
 
   const { data: myData } = useContext(typesContext);
 
-  const handleOnNewValue = (newValue: string | string[] | boolean): void => {
+  const handleOnNewValue = (
+    newValue: string | string[] | boolean | Object[]
+  ): void => {
     let newData = cloneDeep(data);
     newData.node!.template[name].value = newValue;
     setData(newData);
     // Set state to pending
     //@ts-ignore
     setTabsState((prev: TabsState) => {
+      if (!prev[tabId]) {
+        return prev;
+      }
       return {
         ...prev,
         [tabId]: {
@@ -93,6 +105,8 @@ export default function ParameterComponent({
     renderTooltips();
   };
 
+  const [errorDuplicateKey, setErrorDuplicateKey] = useState(false);
+
   useEffect(() => {
     if (name === "openai_api_base") console.log(info);
     // @ts-ignore
@@ -214,6 +228,8 @@ export default function ParameterComponent({
           type === "code" ||
           type === "prompt" ||
           type === "file" ||
+          type === "dict" ||
+          type === "NestedDict" ||
           type === "int") &&
         !optionalHandle ? (
           <></>
@@ -350,6 +366,42 @@ export default function ParameterComponent({
               onChange={handleOnNewValue}
             />
           </div>
+        ) : left === true && type === "NestedDict" ? (
+          <div className="mt-2 w-full">
+            <DictComponent
+              disabled={disabled}
+              editNode={false}
+              value={
+                data.node!.template[name].value ?? {
+                  yourkey: "value",
+                }
+              }
+              onChange={(newValue) => {
+                data.node!.template[name].value = newValue;
+                handleOnNewValue(newValue);
+              }}
+            />
+          </div>
+        ) : left === true && type === "dict" ? (
+          <div className="mt-2 w-full">
+            <KeypairListComponent
+              disabled={disabled}
+              editNode={false}
+              value={
+                data.node!.template[name].value?.length === 0 ||
+                !data.node!.template[name].value
+                  ? [{ "": "" }]
+                  : convertObjToArray(data.node!.template[name].value)
+              }
+              duplicateKey={errorDuplicateKey}
+              onChange={(newValue) => {
+                const valueToNumbers = convertValuesToNumbers(newValue);
+                data.node!.template[name].value = valueToNumbers;
+                setErrorDuplicateKey(hasDuplicateKeys(valueToNumbers));
+                handleOnNewValue(valueToNumbers);
+              }}
+            />
+          </div>
         ) : (
           <></>
         )}

src/frontend/src/components/dictComponent/index.tsx

@@ -0,0 +1,53 @@
+import { useEffect } from "react";
+import { DictComponentType } from "../../types/components";
+
+import DictAreaModal from "../../modals/dictAreaModal";
+import { classNames } from "../../utils/utils";
+import { Input } from "../ui/input";
+
+export default function DictComponent({
+  value,
+  onChange,
+  disabled,
+  editNode = false,
+}: DictComponentType): JSX.Element {
+  useEffect(() => {
+    if (disabled) {
+      onChange([""]);
+    }
+  }, [disabled]);
+
+  useEffect(() => {
+    if (value) onChange(value);
+  }, [value]);
+
+  return (
+    <div
+      className={classNames(
+        value.length > 1 && editNode ? "my-1" : "",
+        "flex flex-col gap-3"
+      )}
+    >
+      {
+        <div className="flex w-full gap-3">
+          <DictAreaModal
+            value={value}
+            onChange={(obj) => {
+              onChange(obj);
+            }}
+          >
+            <Input
+              type="text"
+              className={
+                editNode
+                  ? "input-edit-node input-disable pointer-events-none cursor-pointer"
+                  : "input-disable pointer-events-none cursor-pointer"
+              }
+              placeholder="Click to edit your dictionary..."
+            />
+          </DictAreaModal>
+        </div>
+      }
+    </div>
+  );
+}

src/frontend/src/components/keypairListComponent/index.tsx

@@ -0,0 +1,112 @@
+import { useEffect } from "react";
+import { KeyPairListComponentType } from "../../types/components";
+
+import _ from "lodash";
+import { classNames } from "../../utils/utils";
+import IconComponent from "../genericIconComponent";
+import { Input } from "../ui/input";
+
+export default function KeypairListComponent({
+  value,
+  onChange,
+  disabled,
+  editNode = false,
+  duplicateKey,
+}: KeyPairListComponentType): JSX.Element {
+  useEffect(() => {
+    if (disabled) {
+      onChange([""]);
+    }
+  }, [disabled]);
+
+  const handleChangeKey = (event, idx) => {
+    const newInputList = _.cloneDeep(value);
+    const oldKey = Object.keys(newInputList[idx])[0];
+    const updatedObj = { [event.target.value]: newInputList[idx][oldKey] };
+    newInputList[idx] = updatedObj;
+    onChange(newInputList);
+  };
+
+  const handleChangeValue = (newValue, idx) => {
+    const newInputList = _.cloneDeep(value);
+    const key = Object.keys(newInputList[idx])[0];
+    newInputList[idx][key] = newValue;
+    onChange(newInputList);
+  };
+
+  useEffect(() => {
+    if (value) onChange(value);
+  }, [value]);
+
+  return (
+    <div
+      className={classNames(
+        value?.length > 1 && editNode ? "my-1" : "",
+        "flex flex-col gap-3"
+      )}
+    >
+      {value?.map((obj, index) => {
+        return Object.keys(obj).map((key, idx) => {
+          return (
+            <div key={idx} className="flex w-full gap-3">
+              <Input
+                type="text"
+                value={key.trim()}
+                className={classNames(
+                  editNode ? "input-edit-node" : "",
+                  duplicateKey ? "input-invalid" : ""
+                )}
+                placeholder="Type key..."
+                onChange={(event) => handleChangeKey(event, index)}
+                onKeyDown={(e) => {
+                  if (e.ctrlKey && e.key === "Backspace") {
+                    e.preventDefault();
+                    e.stopPropagation();
+                  }
+                }}
+              />
+
+              <Input
+                type="text"
+                value={obj[key]}
+                className={editNode ? "input-edit-node" : ""}
+                placeholder="Type a value..."
+                onChange={(event) =>
+                  handleChangeValue(event.target.value, index)
+                }
+              />
+
+              {index === value.length - 1 ? (
+                <button
+                  onClick={() => {
+                    let newInputList = _.cloneDeep(value);
+                    newInputList.push({ "": "" });
+                    onChange(newInputList);
+                  }}
+                >
+                  <IconComponent
+                    name="Plus"
+                    className={"h-4 w-4 hover:text-accent-foreground"}
+                  />
+                </button>
+              ) : (
+                <button
+                  onClick={() => {
+                    let newInputList = _.cloneDeep(value);
+                    newInputList.splice(index, 1);
+                    onChange(newInputList);
+                  }}
+                >
+                  <IconComponent
+                    name="X"
+                    className="h-4 w-4 hover:text-status-red"
+                  />
+                </button>
+              )}
+            </div>
+          );
+        });
+      })}
+    </div>
+  );
+}

src/frontend/src/components/ui/dialog.tsx

@@ -13,7 +13,7 @@ const DialogPortal = ({
   ...props
 }: DialogPrimitive.DialogPortalProps) => (
   <DialogPrimitive.Portal className={cn(className)} {...props}>
-    <div className="fixed inset-0 z-50 flex items-start justify-center sm:items-center">
+    <div className="nopan nodrag noundo nocopy fixed inset-0 z-50 flex items-start justify-center sm:items-center">
       {children}
     </div>
   </DialogPrimitive.Portal>
@@ -27,7 +27,7 @@ const DialogOverlay = React.forwardRef<
   <DialogPrimitive.Overlay
     ref={ref}
     className={cn(
-      "noundo nocopy fixed inset-0 bottom-0 left-0 right-0 top-0 z-50 overflow-auto bg-blur-shared backdrop-blur-sm data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      "nopan nodrag noundo nocopy fixed inset-0 bottom-0 left-0 right-0 top-0 z-50 overflow-auto bg-blur-shared backdrop-blur-sm data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
       className
     )}
     {...props}

src/frontend/src/constants/constants.ts

@@ -115,6 +115,9 @@ export const EDIT_DIALOG_SUBTITLE =
 export const CODE_PROMPT_DIALOG_SUBTITLE =
   "Edit your Python code. This code snippet accepts module import and a single function definition. Make sure that your function returns a string.";
 
+export const CODE_DICT_DIALOG_SUBTITLE =
+  "Edit your dictionary. This dialog allows you to create your own customized dictionary. You can add as many key-value pairs as you want. While in edit mode, you can enter ({}) or ([]), and this will result in adding a new object or array.";
+
 /**
  * The base text for subtitle of Prompt Dialog
  * @constant

src/frontend/src/modals/EditNodeModal/index.tsx

@@ -1,6 +1,7 @@
 import { cloneDeep } from "lodash";
 import { ReactNode, forwardRef, useContext, useEffect, useState } from "react";
 import CodeAreaComponent from "../../components/codeAreaComponent";
+import DictComponent from "../../components/dictComponent";
 import Dropdown from "../../components/dropdownComponent";
 import FloatComponent from "../../components/floatComponent";
 import IconComponent from "../../components/genericIconComponent";
@@ -8,6 +9,7 @@ import InputComponent from "../../components/inputComponent";
 import InputFileComponent from "../../components/inputFileComponent";
 import InputListComponent from "../../components/inputListComponent";
 import IntComponent from "../../components/intComponent";
+import KeypairListComponent from "../../components/keypairListComponent";
 import PromptAreaComponent from "../../components/promptComponent";
 import TextAreaComponent from "../../components/textAreaComponent";
 import ToggleShadComponent from "../../components/toggleShadComponent";
@@ -26,6 +28,10 @@ import { TabsContext } from "../../contexts/tabsContext";
 import { typesContext } from "../../contexts/typesContext";
 import { NodeDataType } from "../../types/flow";
 import { TabsState } from "../../types/tabs";
+import {
+  convertObjToArray,
+  hasDuplicateKeys,
+} from "../../utils/reactflowUtils";
 import { classNames } from "../../utils/utils";
 import BaseModal from "../baseModal";
 
@@ -78,6 +84,25 @@ const EditNodeModal = forwardRef(
       setMyData(data); // reset data to what it is on node when opening modal
     }, [modalOpen]);
 
+    const [obj, setObj] = useState({
+      arr: ["test", 123456, false, null],
+      boolean: false,
+      longString:
+        "long string long string long string long string long string long string",
+      number: 123456,
+      try: {
+        k1: 123,
+        k2: "123",
+        k3: false,
+      },
+      string: "string",
+    });
+
+    const [errorDuplicateKey, setErrorDuplicateKey] = useState(false);
+    const [dictArr, setDictArr] = useState([
+      { yourKey: "yourValue" },
+    ] as Object[]);
+
     return (
       <BaseModal size="large-h-full" open={modalOpen} setOpen={setModalOpen}>
         <BaseModal.Trigger>{children}</BaseModal.Trigger>
@@ -166,6 +191,52 @@ const EditNodeModal = forwardRef(
                                         handleOnNewValue(value, templateParam);
                                       }}
                                     />
+                                  ) : myData.node?.template[templateParam]
+                                      .type === "NestedDict" ? (
+                                    <div className="mt-2 w-full">
+                                      <DictComponent
+                                        disabled={disabled}
+                                        editNode={true}
+                                        value={obj}
+                                        onChange={(newValue) => {
+                                          setObj(newValue);
+                                        }}
+                                      />
+                                    </div>
+                                  ) : myData.node?.template[templateParam]
+                                      .type === "dict" ? (
+                                    <div className="mt-2 w-full">
+                                      <KeypairListComponent
+                                        disabled={disabled}
+                                        editNode={false}
+                                        value={
+                                          myData.node.template[templateParam]
+                                            .value?.length === 0 ||
+                                          !myData.node.template[templateParam]
+                                            .value
+                                            ? dictArr
+                                            : convertObjToArray(
+                                                myData.node.template[
+                                                  templateParam
+                                                ].value
+                                              )
+                                        }
+                                        duplicateKey={errorDuplicateKey}
+                                        onChange={(newValue) => {
+                                          setErrorDuplicateKey(
+                                            hasDuplicateKeys(newValue)
+                                          );
+                                          if (hasDuplicateKeys(newValue)) {
+                                            setDictArr(newValue);
+                                          } else {
+                                            setDictArr(newValue);
+                                            myData.node!.template[
+                                              templateParam
+                                            ].value = newValue;
+                                          }
+                                        }}
+                                      />
+                                    </div>
                                   ) : myData.node.template[templateParam]
                                       .multiline ? (
                                     <TextAreaComponent

src/frontend/src/modals/dictAreaModal/index.tsx

@@ -0,0 +1,67 @@
+import "ace-builds/src-noconflict/ace";
+import "ace-builds/src-noconflict/ext-language_tools";
+import "ace-builds/src-noconflict/mode-python";
+import "ace-builds/src-noconflict/theme-github";
+import "ace-builds/src-noconflict/theme-twilight";
+// import "ace-builds/webpack-resolver";
+import { useEffect, useState } from "react";
+import JsonView from "react18-json-view";
+import "react18-json-view/src/dark.css";
+import "react18-json-view/src/style.css";
+import IconComponent from "../../components/genericIconComponent";
+import { Button } from "../../components/ui/button";
+import { CODE_DICT_DIALOG_SUBTITLE } from "../../constants/constants";
+import BaseModal from "../baseModal";
+
+export default function DictAreaModal({
+  children,
+  onChange,
+  value,
+}): JSX.Element {
+  const [open, setOpen] = useState(false);
+  const [dictObj, setDictObj] = useState(value);
+
+  useEffect(() => {
+    if (value) setDictObj(value);
+  }, [value]);
+
+  return (
+    <BaseModal size="medium-h-full" open={open} setOpen={setOpen}>
+      <BaseModal.Trigger>{children}</BaseModal.Trigger>
+      <BaseModal.Header description={CODE_DICT_DIALOG_SUBTITLE}>
+        <span className="pr-2">Edit Dictionary</span>
+        <IconComponent
+          name="BookMarked"
+          className="h-6 w-6 pl-1 text-primary "
+          aria-hidden="true"
+        />
+      </BaseModal.Header>
+      <BaseModal.Content>
+        <div className="flex h-full w-full flex-col transition-all">
+          <JsonView
+            theme="vscode"
+            dark={true}
+            editable
+            enableClipboard
+            onEdit={(edit) => {
+              setDictObj(edit["src"]);
+            }}
+            src={dictObj}
+          />
+          <div className="flex h-fit w-full justify-end">
+            <Button
+              className="mt-3"
+              type="submit"
+              onClick={() => {
+                onChange(dictObj);
+                setOpen(false);
+              }}
+            >
+              Save
+            </Button>
+          </div>
+        </div>
+      </BaseModal.Content>
+    </BaseModal>
+  );
+}

src/frontend/src/style/applies.css

@@ -1057,4 +1057,8 @@
   .label-invalid{
     @apply text-destructive
   }
+
+  .input-invalid{
+    @apply border-destructive focus:ring-destructive  focus:border-destructive
+  }
 }

src/frontend/src/types/components/index.ts

@@ -54,6 +54,21 @@ export type InputListComponentType = {
   editNode?: boolean;
 };
 
+export type KeyPairListComponentType = {
+  value: any;
+  onChange: (value: Object[]) => void;
+  disabled: boolean;
+  editNode?: boolean;
+  duplicateKey?: boolean;
+};
+
+export type DictComponentType = {
+  value: any;
+  onChange: (value) => void;
+  disabled: boolean;
+  editNode?: boolean;
+};
+
 export type TextAreaComponentType = {
   field_name?: string;
   nodeClass?: APIClassType;

src/frontend/src/utils/reactflowUtils.ts

@@ -204,30 +204,49 @@ export function validateNode(
     node: { template },
   } = node.data;
 
-  return Object.keys(template).reduce(
+  return Object.keys(template).reduce((errors: Array<string>, t) => {
-    (errors: Array<string>, t) =>
+    if (
-      errors.concat(
+      template[t].required &&
-        template[t].required &&
+      template[t].show &&
-          template[t].show &&
+      (template[t].value === undefined ||
-          (template[t].value === undefined ||
+        template[t].value === null ||
-            template[t].value === null ||
+        template[t].value === "") &&
-            template[t].value === "") &&
+      !reactFlowInstance
-          !reactFlowInstance
+        .getEdges()
-            .getEdges()
+        .some(
-            .some(
+          (edge) =>
-              (edge) =>
+            edge.targetHandle?.split("|")[1] === t &&
-                edge.targetHandle?.split("|")[1] === t &&
+            edge.targetHandle.split("|")[2] === node.id
-                edge.targetHandle.split("|")[2] === node.id
+        )
-            )
+    ) {
-          ? [
+      errors.push(
-              `${type} is missing ${
+        `${type} is missing ${
-                template.display_name || toNormalCase(template[t].name)
+          template.display_name || toNormalCase(template[t].name)
-              }.`,
+        }.`
-            ]
+      );
-          : []
+    } else if (
-      ),
+      template[t].type === "dict" &&
-    [] as string[]
+      template[t].required &&
-  );
+      template[t].show &&
+      (template[t].value !== undefined ||
+        template[t].value !== null ||
+        template[t].value !== "")
+    ) {
+      if (hasDuplicateKeys(template[t].value))
+        errors.push(
+          `${type} (${
+            template.display_name || template[t].name
+          }) contains duplicate keys with the same values.`
+        );
+      if (hasEmptyKey(template[t].value))
+        errors.push(
+          `${type} (${
+            template.display_name || template[t].name
+          }) field must not be empty.`
+        );
+    }
+    return errors;
+  }, [] as string[]);
 }
 
 export function validateNodes(reactFlowInstance: ReactFlowInstance) {
@@ -291,3 +310,58 @@ export function getConnectedNodes(
   const targetId = edge.target;
   return nodes.filter((node) => node.id === targetId || node.id === sourceId);
 }
+
+export function convertObjToArray(singleObject) {
+  if (Array.isArray(singleObject)) return singleObject;
+
+  let arrConverted: any = [];
+  for (const key in singleObject) {
+    if (singleObject.hasOwnProperty(key)) {
+      const newObj = {};
+      newObj[key] = singleObject[key];
+      arrConverted.push(newObj);
+    }
+  }
+  return arrConverted;
+}
+
+export function hasDuplicateKeys(array) {
+  const keys = {};
+  for (const obj of array) {
+    for (const key in obj) {
+      if (keys[key]) {
+        return true;
+      }
+      keys[key] = true;
+    }
+  }
+  return false;
+}
+
+export function hasEmptyKey(objArray) {
+  for (const obj of objArray) {
+    for (const key in obj) {
+      if (obj.hasOwnProperty(key) && key === "") {
+        return true; // Found an empty key
+      }
+    }
+  }
+  return false; // No empty keys found
+}
+
+export function convertValuesToNumbers(arr) {
+  return arr.map((obj) => {
+    const newObj = {};
+    for (const key in obj) {
+      if (obj.hasOwnProperty(key)) {
+        let value = obj[key];
+        if (/\s/g.test(value)) {
+          value = value.trim();
+        }
+        newObj[key] =
+          value === "" || isNaN(value) ? value.toString() : Number(value);
+      }
+    }
+    return newObj;
+  });
+}

src/frontend/src/utils/styleUtils.ts

@@ -1,6 +1,7 @@
 import {
   ArrowUpToLine,
   Bell,
+  BookMarked,
   Check,
   CheckCircle2,
   ChevronDown,
@@ -307,5 +308,6 @@ export const nodeIconsLucide: iconsType = {
   UserCog2,
   Key,
   Unplug,
+  BookMarked,
   ChevronUp,
 };

tests/test_llms_template.py

@@ -1,97 +1,4 @@
 from fastapi.testclient import TestClient
-from langflow.services.utils import get_settings_manager
-
-
-# def test_hugging_face_hub(client: TestClient):
-#     response = client.get("api/v1/all")
-#     assert response.status_code == 200
-#     json_response = response.json()
-#     language_models = json_response["llms"]
-
-#     model = language_models["HuggingFaceHub"]
-#     template = model["template"]
-
-#     assert template["cache"] == {
-#         "required": False,
-#         "placeholder": "",
-#         "show": False,
-#         "multiline": False,
-#         "password": False,
-#         "name": "cache",
-#         "type": "bool",
-#         "list": False,
-#         "advanced": False,
-#     }
-#     assert template["verbose"] == {
-#         "required": False,
-#         "placeholder": "",
-#         "show": False,
-#         "multiline": False,
-#         "value": False,
-#         "password": False,
-#         "name": "verbose",
-#         "type": "bool",
-#         "list": False,
-#         "advanced": False,
-#     }
-#     assert template["client"] == {
-#         "required": False,
-#         "placeholder": "",
-#         "show": False,
-#         "multiline": False,
-#         "password": False,
-#         "name": "client",
-#         "type": "Any",
-#         "list": False,
-#         "advanced": False,
-#     }
-#     assert template["repo_id"] == {
-#         "required": False,
-#         "placeholder": "",
-#         "show": True,
-#         "multiline": False,
-#         "value": "gpt2",
-#         "password": False,
-#         "name": "repo_id",
-#         "type": "str",
-#         "list": False,
-#         "advanced": False,
-#     }
-#     assert template["task"] == {
-#         "required": True,
-#         "placeholder": "",
-#         "show": True,
-#         "multiline": False,
-#         "password": False,
-#         "options": ["text-generation", "text2text-generation"],
-#         "name": "task",
-#         "type": "str",
-#         "list": True,
-#         "advanced": True,
-#     }
-#     assert template["model_kwargs"] == {
-#         "required": False,
-#         "placeholder": "",
-#         "show": True,
-#         "multiline": False,
-#         "password": False,
-#         "name": "model_kwargs",
-#         "type": "code",
-#         "list": False,
-#         "advanced": True,
-#     }
-#     assert template["huggingfacehub_api_token"] == {
-#         "required": False,
-#         "placeholder": "",
-#         "show": True,
-#         "multiline": False,
-#         "password": True,
-#         "name": "huggingfacehub_api_token",
-#         "display_name": "HuggingFace Hub API Token",
-#         "type": "str",
-#         "list": False,
-#         "advanced": False,
-#     }
 
 
 def test_openai(client: TestClient, logged_in_headers):
@@ -270,7 +177,7 @@ def test_openai(client: TestClient, logged_in_headers):
         "multiline": False,
         "password": False,
         "name": "model_kwargs",
-        "type": "code",
+        "type": "dict",
         "list": False,
         "advanced": True,
         "info": "",
@@ -325,7 +232,7 @@ def test_openai(client: TestClient, logged_in_headers):
         "multiline": False,
         "password": False,
         "name": "logit_bias",
-        "type": "code",
+        "type": "dict",
         "list": False,
         "advanced": False,
         "info": "",
@@ -442,7 +349,7 @@ def test_chat_open_ai(client: TestClient, logged_in_headers):
         "multiline": False,
         "password": False,
         "name": "model_kwargs",
-        "type": "code",
+        "type": "dict",
         "list": False,
         "advanced": True,
         "info": "",

tests/test_prompts_template.py

@@ -55,7 +55,7 @@ def test_prompt_template(client: TestClient, logged_in_headers):
         "multiline": False,
         "password": False,
         "name": "partial_variables",
-        "type": "code",
+        "type": "dict",
         "list": False,
         "advanced": False,
         "info": "",

tests/test_template.py

@@ -135,7 +135,7 @@ def test_format_dict():
     }
     expected_output = {
         "field1": {
-            "type": "code",  # Mapping type is replaced with dict which is replaced with code
+            "type": "dict[str, int]",  # Mapping type is replaced with dict which is replaced with code
             "required": False,
             "list": False,
             "show": False,
@@ -249,7 +249,7 @@ def test_format_dict():
     }
     expected_output = {
         "field1": {
-            "type": "code",
+            "type": "Dict[str, int]",
             "required": False,
             "list": False,
             "show": False,