Merge branch 'dev' of https://github.com/logspace-ai/langflow into dev

langflow/backend/langflow_backend/__main__.py

@@ -1,11 +1,20 @@
 import multiprocessing
+import os
+import platform
+
 from langflow_backend.main import create_app
 
 import typer
 from fastapi.staticfiles import StaticFiles
 from pathlib import Path
 
-from langflow_backend.server import LangflowApplication
+
+def get_number_of_workers(workers=None):
+    if workers is None:
+        workers = 1
+    elif workers == -1:
+        workers = (multiprocessing.cpu_count() * 2) + 1
+    return workers
 
 
 def serve(
@@ -21,22 +30,28 @@ def serve(
         StaticFiles(directory=static_files_dir, html=True),
         name="static",
     )
-    if not workers:
-        workers = 1
-    elif workers == -1:
-        workers = (multiprocessing.cpu_count() * 2) + 1
 
     if not timeout:
         timeout = 60
 
+    host = "127.0.0.1"
+    port = 5003
     options = {
-        "bind": "127.0.0.1:5003",
-        "workers": workers,
+        "bind": f"{host}:{port}",
+        "workers": get_number_of_workers(workers),
         "worker_class": "uvicorn.workers.UvicornWorker",
         "timeout": timeout,
     }
 
-    LangflowApplication(app, options).run()
+    if platform.system() == "Darwin":
+        # Run using uvicorn on MacOS
+        import uvicorn
+
+        uvicorn.run(app, host=host, port=port, log_level="info")
+    else:
+        from langflow_backend.server import LangflowApplication
+
+        LangflowApplication(app, options).run()
 
 
 def main():