Merge remote-tracking branch 'origin/dev' into two_edges

.github/workflows/docker-build.yml

@@ -30,6 +30,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+        id: qemu
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker Hub
@@ -52,6 +53,7 @@ jobs:
         with:
           context: .
           push: true
+          platforms: "linux/amd64,linux/arm64/v8"
           file: ${{ env.DOCKERFILE }}
           tags: ${{ env.TAGS }}
       - name: Wait for Docker Hub to propagate
@@ -62,6 +64,7 @@ jobs:
         with:
           context: .
           push: true
+          platforms: "linux/amd64,linux/arm64/v8"
           file: ./docker/build_and_push_backend.Dockerfile
           build-args: |
             LANGFLOW_IMAGE=langflowai/langflow:${{ inputs.version }}
@@ -75,6 +78,7 @@ jobs:
           context: .
           push: true
           file: ./docker/frontend/build_and_push_frontend.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           tags: |
             langflowai/langflow-frontend:${{ inputs.version }}
             langflowai/langflow-frontend:1.0-alpha

.github/workflows/docker_test.yml

@@ -8,6 +8,7 @@ on:
       - "poetry.lock"
       - "pyproject.toml"
       - "src/backend/**"
+      - ".github/workflows/docker_test.yml"
   pull_request:
     branches: [dev]
     paths:
@@ -15,12 +16,13 @@ on:
       - "poetry.lock"
       - "pyproject.toml"
       - "src/**"
+      - ".github/workflows/docker_test.yml"
 
 env:
   POETRY_VERSION: "1.8.2"
 
 jobs:
-  build:
+  test-docker:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -59,3 +61,20 @@ jobs:
           docker build -t langflowai/langflow-frontend:latest-dev \
             -f docker/frontend/build_and_push_frontend.Dockerfile \
             .
+  test-multi-arch-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        id: qemu
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: false
+          file: ./docker/build_and_push.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
+          tags: langflowai/langflow:latest-dev

.github/workflows/pre-release-base.yml

@@ -60,6 +60,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+        id: qemu
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker Hub
@@ -73,5 +74,6 @@ jobs:
           context: .
           push: true
           file: ./docker/build_and_push_base.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           tags: |
             langflowai/langflow:base-${{ needs.release.outputs.version }}

.github/workflows/pre-release-langflow.yml

@@ -66,6 +66,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+        id: qemu
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker Hub
@@ -79,6 +80,7 @@ jobs:
           context: .
           push: true
           file: ./docker/build_and_push.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           tags: |
             langflowai/langflow:${{ needs.release.outputs.version }}
             langflowai/langflow:1.0-alpha
@@ -88,6 +90,7 @@ jobs:
           context: .
           push: true
           file: ./docker/frontend/build_and_push_frontend.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           tags: |
             langflowai/langflow-frontend:${{ needs.release.outputs.version }}
             langflowai/langflow-frontend:1.0-alpha
@@ -99,6 +102,7 @@ jobs:
           context: .
           push: true
           file: ./docker/build_and_push_backend.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           build-args: |
             LANGFLOW_IMAGE=langflowai/langflow:${{ needs.release.outputs.version }}
           tags: |

.github/workflows/release.yml

@@ -38,6 +38,7 @@ jobs:
           poetry publish
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+        id: qemu
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker Hub
@@ -51,6 +52,7 @@ jobs:
           context: .
           push: true
           file: ./docker/build_and_push.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           tags: |
             langflowai/langflow:${{ steps.check-version.outputs.version }}
             langflowai/langflow:latest
@@ -62,6 +64,7 @@ jobs:
           context: .
           push: true
           file: ./docker/build_and_push_backend.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           build-args: |
             LANGFLOW_IMAGE=langflowai/langflow:${{ steps.check-version.outputs.version }}
           tags: |
@@ -73,6 +76,7 @@ jobs:
           context: .
           push: true
           file: ./docker/frontend/build_and_push_frontend.Dockerfile
+          platforms: "linux/amd64,linux/arm64/v8"
           tags: |
             langflowai/langflow-frontend:${{ steps.check-version.outputs.version }}
             langflowai/langflow-frontend:latest

docker/build_and_push.Dockerfile

@@ -6,7 +6,9 @@
 # BUILDER-BASE
 # Used to build deps + create our virtual environment
 ################################
-FROM python:3.12-slim as builder-base
+
+# force platform to the current architecture to increase build speed time on multi-platform builds
+FROM --platform=$BUILDPLATFORM python:3.12-slim as builder-base
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     \

docker/frontend/build_and_push_frontend.Dockerfile

@@ -4,7 +4,9 @@
 ################################
 # BUILDER-BASE
 ################################
-FROM node:lts-bookworm-slim as builder-base
+
+# force platform to the current architecture to increase build speed time on multi-platform builds
+FROM --platform=$BUILDPLATFORM node:lts-bookworm-slim as builder-base
 COPY src/frontend /frontend
 
 RUN cd /frontend && npm install && npm run build

poetry.lock

@@ -4409,7 +4409,7 @@ six = "*"
 
 [[package]]
 name = "langflow-base"
-version = "0.0.60"
+version = "0.0.61"
 description = "A Python package with a built-in web application"
 optional = false
 python-versions = ">=3.10,<3.13"
@@ -4490,13 +4490,13 @@ openai = ["openai (>=0.27.8)"]
 
 [[package]]
 name = "langsmith"
-version = "0.1.75"
+version = "0.1.76"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langsmith-0.1.75-py3-none-any.whl", hash = "sha256:d08b08dd6b3fa4da170377f95123d77122ef4c52999d10fff4ae08ff70d07aed"},
-    {file = "langsmith-0.1.75.tar.gz", hash = "sha256:61274e144ea94c297dd78ce03e6dfae18459fe9bd8ab5094d61a0c4816561279"},
+    {file = "langsmith-0.1.76-py3-none-any.whl", hash = "sha256:4b8cb14f2233d9673ce9e6e3d545359946d9690a2c1457ab01e7459ec97b964e"},
+    {file = "langsmith-0.1.76.tar.gz", hash = "sha256:5829f997495c0f9a39f91fe0a57e0cb702e8642e6948945f5bb9f46337db7732"},
 ]
 
 [package.dependencies]
@@ -4506,13 +4506,13 @@ requests = ">=2,<3"
 
 [[package]]
 name = "litellm"
-version = "1.40.7"
+version = "1.40.8"
 description = "Library to easily interface with LLM API providers"
 optional = false
 python-versions = "!=2.7.*,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,>=3.8"
 files = [
-    {file = "litellm-1.40.7-py3-none-any.whl", hash = "sha256:c98dd8733e632aba16f14bf82e56f7159222097a6d085b242a3140b5d3e7baa4"},
-    {file = "litellm-1.40.7.tar.gz", hash = "sha256:557bb19e8e484d0dfe8e4eaa9ccefc888617852988a46d6e7adc41585a2c0600"},
+    {file = "litellm-1.40.8-py3-none-any.whl", hash = "sha256:cd0c313423dad49224696c45ac02c574abcaed6666c597543c2318b3521f4320"},
+    {file = "litellm-1.40.8.tar.gz", hash = "sha256:8878d2437ac50bcc6f39ded1729e2113eb5fee645fcebcd32fc241c529a21c00"},
 ]
 
 [package.dependencies]

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow"
-version = "1.0.0a49"
+version = "1.0.0a50"
 description = "A Python package with a built-in web application"
 authors = ["Langflow <contact@langflow.org>"]
 maintainers = [

src/backend/base/langflow/base/data/utils.py

@@ -107,7 +107,7 @@ def read_text_file(file_path: str) -> str:
         result = chardet.detect(raw_data)
         encoding = result["encoding"]
 
-        if encoding in ["Windows-1252", "Windows-1254"]:
+        if encoding in ["Windows-1252", "Windows-1254", "MacRoman"]:
             encoding = "utf-8"
 
     with open(file_path, "r", encoding=encoding) as f:

src/backend/base/langflow/components/tools/PythonCodeStructuredTool.py

@@ -0,0 +1,91 @@
+from typing import Any, Dict, List, Callable
+import ast
+from langchain.agents import Tool
+from langchain.tools import StructuredTool
+from langflow.interface.custom.custom_component import CustomComponent
+from langflow.schema.dotdict import dotdict
+from langchain.pydantic_v1 import BaseModel, Field
+
+
+class PythonCodeStructuredTool(CustomComponent):
+    display_name = "PythonCodeTool"
+    description = "structuredtool dataclass code to tool"
+    documentation = "https://python.langchain.com/docs/modules/tools/custom_tools/#structuredtool-dataclass"
+    icon = "🐍"
+    field_order = ["name", "description", "tool_code",
+                   "return_direct", "tool_function", "tool_class"]
+
+    def build_config(self) -> Dict[str, Any]:
+        return {
+            "tool_code": {
+                "display_name": "Tool Code",
+                "info": "Enter the dataclass code.",
+                "placeholder": "def my_function(args):\n    pass",
+                "multiline": True,
+                "refresh_button": True,
+            },
+            "name": {
+                "display_name": "Tool Name",
+                "info": "Enter the name of the tool.",
+            },
+            "description": {
+                "display_name": "Description",
+                "info": "Provide a brief description of what the tool does.",
+            },
+            "return_direct": {
+                "display_name": "Return Directly",
+                "info": "Should the tool return the function output directly?",
+            },
+            "tool_function": {
+                "display_name": "Tool Function",
+                "info": "Select the function for additional expressions.",
+                "options": [],
+                "refresh_button": True,
+            },
+            "tool_class": {
+                "display_name": "Tool Class",
+                "info": "Select the class for additional expressions.",
+                "options": [],
+                "refresh_button": True,
+                "required": False,
+            },
+        }
+
+    def parse_source_name(self, code: str) -> Dict:
+        parsed_code = ast.parse(code)
+        class_names = [
+            node.name for node in parsed_code.body if isinstance(node, ast.ClassDef)]
+        function_names = [
+            node.name for node in parsed_code.body if isinstance(node, ast.FunctionDef)]
+        return {"class": class_names, "function": function_names}
+
+    def update_build_config(self, build_config: dotdict, field_value: Any, field_name: str | None = None) -> dotdict:
+        if field_name == "tool_code" or field_name == "tool_function" or field_name == "tool_class":
+            try:
+                names = self.parse_source_name(build_config.tool_code.value)
+                build_config.tool_class.options = names["class"]
+                build_config.tool_function.options = names["function"]
+            except Exception as e:
+                self.status = f"Failed to extract class names: {str(e)}"
+                build_config.tool_class.options = ["Failed to parse", str(e)]
+                build_config.tool_function.options = []
+        return build_config
+
+    async def build(self, tool_code: Code, name: str, description: str, tool_function: List[str], return_direct: bool, tool_class: List[str] = None) -> Tool:
+        local_namespace = {}
+        exec(tool_code, globals(), local_namespace)
+
+        func = local_namespace[tool_function]
+        _class = None
+
+        if tool_class:
+            _class = local_namespace[tool_class]
+
+        tool = StructuredTool.from_function(
+            func=func,
+            args_schema=_class,
+            name=name,
+            description=description,
+            return_direct=return_direct
+        )
+        return tool

src/backend/base/langflow/components/vectorstores/Couchbase.py

@@ -1,10 +1,6 @@
 from datetime import timedelta
 from typing import List, Optional, Union
 
-from couchbase.auth import PasswordAuthenticator  # type: ignore
-from couchbase.cluster import Cluster  # type: ignore
-from couchbase.options import ClusterOptions  # type: ignore
-from langchain_community.vectorstores import CouchbaseVectorStore
 from langchain_core.retrievers import BaseRetriever
 
 from langflow.custom import CustomComponent
@@ -52,6 +48,16 @@ class CouchbaseComponent(CustomComponent):
         couchbase_username: str = "",
         couchbase_password: str = "",
     ) -> Union[VectorStore, BaseRetriever]:
+        try:
+            from couchbase.auth import PasswordAuthenticator  # type: ignore
+            from couchbase.cluster import Cluster  # type: ignore
+            from couchbase.options import ClusterOptions  # type: ignore
+            from langchain_community.vectorstores import CouchbaseVectorStore
+        except ImportError as e:
+            raise ImportError(
+                "Failed to import Couchbase dependencies. Install it using `pip install langflow[couchbase] --pre`"
+            ) from e
+
         try:
             auth = PasswordAuthenticator(couchbase_username, couchbase_password)
             options = ClusterOptions(auth)

src/backend/base/poetry.lock

@@ -1275,13 +1275,13 @@ types-requests = ">=2.31.0.2,<3.0.0.0"
 
 [[package]]
 name = "langsmith"
-version = "0.1.75"
+version = "0.1.76"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langsmith-0.1.75-py3-none-any.whl", hash = "sha256:d08b08dd6b3fa4da170377f95123d77122ef4c52999d10fff4ae08ff70d07aed"},
-    {file = "langsmith-0.1.75.tar.gz", hash = "sha256:61274e144ea94c297dd78ce03e6dfae18459fe9bd8ab5094d61a0c4816561279"},
+    {file = "langsmith-0.1.76-py3-none-any.whl", hash = "sha256:4b8cb14f2233d9673ce9e6e3d545359946d9690a2c1457ab01e7459ec97b964e"},
+    {file = "langsmith-0.1.76.tar.gz", hash = "sha256:5829f997495c0f9a39f91fe0a57e0cb702e8642e6948945f5bb9f46337db7732"},
 ]
 
 [package.dependencies]

src/backend/base/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow-base"
-version = "0.0.60"
+version = "0.0.61"
 description = "A Python package with a built-in web application"
 authors = ["Langflow <contact@langflow.org>"]
 maintainers = [

src/frontend/src/modals/apiModal/utils/get-python-api-code.tsx

@@ -2,19 +2,27 @@
  * Function to get the python code for the API
  * @param {string} flowId - The id of the flow
  * @param {boolean} isAuth - If the API is authenticated
- * @param {any[]} tweak - The tweaks
+ * @param {any[]} tweaksBuildedObject - The tweaks
+ * @param {string} [endpointName] - The optional endpoint name
  * @returns {string} - The python code
  */
 export default function getPythonApiCode(
   flowId: string,
   isAuth: boolean,
-  tweaksBuildedObject,
-  endpointName?: string
+  tweaksBuildedObject: any[],
+  endpointName?: string,
 ): string {
-  const tweaksObject = tweaksBuildedObject[0];
-  const tweaksString = JSON.stringify(tweaksObject, null, 2)
-    .replace(/true/g, "True")
-    .replace(/false/g, "False");
+  let tweaksString = "{}";
+  if (tweaksBuildedObject && tweaksBuildedObject.length > 0) {
+    const tweaksObject = tweaksBuildedObject[0];
+    if (!tweaksObject) {
+      throw new Error("expected tweaks");
+    }
+    tweaksString = JSON.stringify(tweaksObject, null, 2)
+      .replace(/true/g, "True")
+      .replace(/false/g, "False");
+  }
+
   return `import argparse
 import json
 from argparse import RawTextHelpFormatter

src/frontend/src/modals/apiModal/utils/get-python-code.tsx

@@ -1,17 +1,26 @@
 /**
  * Function to get the python code for the API
  * @param {string} flow - The current flow
- * @param {any[]} tweak - The tweaks
+ * @param {any[]} tweaksBuildedObject - The tweaks
  * @returns {string} - The python code
  */
 export default function getPythonCode(
   flowName: string,
-  tweaksBuildedObject
+  tweaksBuildedObject: any[],
 ): string {
-  const tweaksObject = tweaksBuildedObject[0];
+  let tweaksString = "{}";
+  if (tweaksBuildedObject && tweaksBuildedObject.length > 0) {
+    const tweaksObject = tweaksBuildedObject[0];
+    if (!tweaksObject) {
+      throw new Error("expected tweaks");
+    }
+    tweaksString = JSON.stringify(tweaksObject, null, 2)
+      .replace(/true/g, "True")
+      .replace(/false/g, "False");
+  }
 
   return `from langflow.load import run_flow_from_json
-TWEAKS = ${JSON.stringify(tweaksObject, null, 2)}
+TWEAKS = ${tweaksString}
 
 result = run_flow_from_json(flow="${flowName}.json",
                             input_value="message",