fix: preserve global options in requirements.txt (#5275)

Signed-off-by: Frost Ming <me@frostming.com>

Author: frostming

src/_bentoml_sdk/images.py

@@ -189,7 +189,13 @@ def _freeze_python_requirements(self, platform_: str | None = None) -> str:
                 )
             except subprocess.CalledProcessError as e:
                 raise BentoMLException(f"Failed to lock PyPI packages: {e}") from None
-            return requirements_in.with_suffix(".lock").read_text()
+            locked_requirements = (  # uv doesn't preserve global option lines, add them here
+                "\n".join(option.dumps() for option in requirements_file.options)
+            )
+            if locked_requirements:
+                locked_requirements += "\n"
+            locked_requirements += requirements_in.with_suffix(".lock").read_text()
+            return locked_requirements
 
 
 @attrs.define

src/bentoml/_internal/bento/bento.py

@@ -849,11 +849,12 @@ def write_to_bento(self, bento_fs: FS, envs: list[BentoEnvSchema]) -> None:
 
         from _bentoml_impl.docker import generate_dockerfile
 
+        # Prepare env/python files
         py_folder = fs.path.join("env", "python")
         bento_fs.makedirs(py_folder, recreate=True)
         reqs_txt = fs.path.join(py_folder, "requirements.txt")
         bento_fs.writetext(reqs_txt, self.python_requirements)
-
+        # Prepare env/docker files
         docker_folder = fs.path.join("env", "docker")
         bento_fs.makedirs(docker_folder, recreate=True)
         dockerfile_path = fs.path.join(docker_folder, "Dockerfile")