fix: marimo config to follow_symlink in StaticFiles (#1327)

* draft: potential fix for #1298.

* update snapshot tests

marimo/_config/config.py

@@ -121,9 +121,12 @@ class ServerConfig(TypedDict):
 
     - `browser`: the web browser to use. `"default"` or a browser registered
         with Python's webbrowser module (eg, `"firefox"` or `"chrome"`)
+    - `follow_symlink`: if true, the server will follow symlinks it finds
+        inside its static assets directory.
     """
 
     browser: Union[Literal["default"], str]
+    follow_symlink: bool
 
 
 class PackageManagementConfig(TypedDict):
@@ -199,7 +202,10 @@ class MarimoConfig(TypedDict):
         "format_on_save": False,
     },
     "package_management": {"manager": "pip"},
-    "server": {"browser": "default"},
+    "server": {
+        "browser": "default",
+        "follow_symlink": False,
+    },
 }
 
 

marimo/_server/api/endpoints/assets.py

@@ -11,6 +11,7 @@
 from starlette.staticfiles import StaticFiles
 
 from marimo import _loggers
+from marimo._config.manager import UserConfigManager
 from marimo._runtime.virtual_file import EMPTY_VIRTUAL_FILE, read_virtual_file
 from marimo._server.api.deps import AppState
 from marimo._server.router import APIRouter
@@ -31,9 +32,14 @@
 # Root directory for static assets
 root = os.path.realpath(str(import_files("marimo").joinpath("_static")))
 
+config = UserConfigManager().get_config().get("server", {})
+
 router.mount(
     "/assets",
-    app=StaticFiles(directory=os.path.join(root, "assets")),
+    app=StaticFiles(
+        directory=os.path.join(root, "assets"),
+        follow_symlink=config.get("follow_symlink", False),
+    ),
     name="assets",
 )
 

tests/_server/templates/snapshots/export1.txt

@@ -56,7 +56,7 @@
     <marimo-filename hidden>notebook.py</marimo-filename>
     <marimo-mode data-mode='read' hidden></marimo-mode>
     <marimo-version data-version='0.0.0' hidden></marimo-version>
-    <marimo-user-config data-config='{"completion": {"activate_on_typing": true, "copilot": false}, "display": {"cell_output": "above", "code_editor_font_size": 14, "theme": "light"}, "formatting": {"line_length": 79}, "keymap": {"preset": "default"}, "package_management": {"manager": "pip"}, "runtime": {"auto_instantiate": true, "auto_reload": "off", "on_cell_change": "autorun"}, "save": {"autosave": "after_delay", "autosave_delay": 1000, "format_on_save": false}, "server": {"browser": "default"}}' hidden></marimo-user-config>
+    <marimo-user-config data-config='{"completion": {"activate_on_typing": true, "copilot": false}, "display": {"cell_output": "above", "code_editor_font_size": 14, "theme": "light"}, "formatting": {"line_length": 79}, "keymap": {"preset": "default"}, "package_management": {"manager": "pip"}, "runtime": {"auto_instantiate": true, "auto_reload": "off", "on_cell_change": "autorun"}, "save": {"autosave": "after_delay", "autosave_delay": 1000, "format_on_save": false}, "server": {"browser": "default", "follow_symlink": false}}' hidden></marimo-user-config>
     <marimo-app-config data-config='{"app_title": null, "layout_file": null, "width": "normal"}' hidden></marimo-app-config>
     <marimo-server-token data-token='token' hidden></marimo-server-token>
     <title>notebook</title>

tests/_server/templates/snapshots/export2.txt

@@ -56,7 +56,7 @@
     <marimo-filename hidden></marimo-filename>
     <marimo-mode data-mode='read' hidden></marimo-mode>
     <marimo-version data-version='0.0.0' hidden></marimo-version>
-    <marimo-user-config data-config='{"completion": {"activate_on_typing": true, "copilot": false}, "display": {"cell_output": "above", "code_editor_font_size": 14, "theme": "light"}, "formatting": {"line_length": 79}, "keymap": {"preset": "default"}, "package_management": {"manager": "pip"}, "runtime": {"auto_instantiate": true, "auto_reload": "off", "on_cell_change": "autorun"}, "save": {"autosave": "after_delay", "autosave_delay": 1000, "format_on_save": false}, "server": {"browser": "default"}}' hidden></marimo-user-config>
+    <marimo-user-config data-config='{"completion": {"activate_on_typing": true, "copilot": false}, "display": {"cell_output": "above", "code_editor_font_size": 14, "theme": "light"}, "formatting": {"line_length": 79}, "keymap": {"preset": "default"}, "package_management": {"manager": "pip"}, "runtime": {"auto_instantiate": true, "auto_reload": "off", "on_cell_change": "autorun"}, "save": {"autosave": "after_delay", "autosave_delay": 1000, "format_on_save": false}, "server": {"browser": "default", "follow_symlink": false}}' hidden></marimo-user-config>
     <marimo-app-config data-config='{"app_title": null, "layout_file": null, "width": "normal"}' hidden></marimo-app-config>
     <marimo-server-token data-token='token' hidden></marimo-server-token>
     <title>marimo</title>

tests/_server/templates/snapshots/export3.txt

@@ -56,7 +56,7 @@
     <marimo-filename hidden>notebook.py</marimo-filename>
     <marimo-mode data-mode='read' hidden></marimo-mode>
     <marimo-version data-version='0.0.0' hidden></marimo-version>
-    <marimo-user-config data-config='{"completion": {"activate_on_typing": true, "copilot": false}, "display": {"cell_output": "above", "code_editor_font_size": 14, "theme": "light"}, "formatting": {"line_length": 79}, "keymap": {"preset": "default"}, "package_management": {"manager": "pip"}, "runtime": {"auto_instantiate": true, "auto_reload": "off", "on_cell_change": "autorun"}, "save": {"autosave": "after_delay", "autosave_delay": 1000, "format_on_save": false}, "server": {"browser": "default"}}' hidden></marimo-user-config>
+    <marimo-user-config data-config='{"completion": {"activate_on_typing": true, "copilot": false}, "display": {"cell_output": "above", "code_editor_font_size": 14, "theme": "light"}, "formatting": {"line_length": 79}, "keymap": {"preset": "default"}, "package_management": {"manager": "pip"}, "runtime": {"auto_instantiate": true, "auto_reload": "off", "on_cell_change": "autorun"}, "save": {"autosave": "after_delay", "autosave_delay": 1000, "format_on_save": false}, "server": {"browser": "default", "follow_symlink": false}}' hidden></marimo-user-config>
     <marimo-app-config data-config='{"app_title": null, "layout_file": null, "width": "normal"}' hidden></marimo-app-config>
     <marimo-server-token data-token='token' hidden></marimo-server-token>
     <title>notebook</title>