feature flag it

crates/re_sdk/Cargo.toml

@@ -21,6 +21,12 @@ all-features = true
 [features]
 default = []
 
+## Support for using Rerun's data-loaders directly from the SDK.
+##
+## See our `log_file` example and <https://www.rerun.io/docs/howto/open-any-file>
+## for more information.
+data_loaders = ["dep:re_data_source", "dep:re_smart_channel"]
+
 ## Support serving a web viewer over HTTP.
 ##
 ## Enabling this inflates the binary size quite a bit, since it embeds the viewer wasm.
@@ -31,6 +37,7 @@ default = []
 ## However, when building from source in the repository, this feature adds quite a bit
 ## to the compile time since it requires compiling and bundling the viewer as wasm.
 web_viewer = [
+  "dep:re_smart_channel",
   "dep:re_web_viewer_server",
   "dep:re_ws_comms",
   "dep:anyhow",
@@ -41,13 +48,11 @@ web_viewer = [
 
 [dependencies]
 re_build_info.workspace = true
-re_data_source.workspace = true
 re_log_encoding = { workspace = true, features = ["encoder"] }
 re_log_types.workspace = true
 re_log.workspace = true
 re_memory.workspace = true
 re_sdk_comms = { workspace = true, features = ["client"] }
-re_smart_channel.workspace = true
 re_types_core.workspace = true
 
 ahash.workspace = true
@@ -59,6 +64,8 @@ thiserror.workspace = true
 
 # Optional dependencies
 
+re_data_source = { workspace = true, optional = true }
+re_smart_channel = { workspace = true, optional = true }
 re_ws_comms = { workspace = true, optional = true }
 re_web_viewer_server = { workspace = true, optional = true }
 

crates/re_sdk/src/recording_stream.rs

@@ -81,7 +81,8 @@ pub enum RecordingStreamError {
     #[error(transparent)]
     DataReadError(#[from] re_log_types::DataReadError),
 
-    /// An error occurred when attempting to used a [`re_data_source::DataLoader`].
+    /// An error occurred while attempting to use a [`re_data_source::DataLoader`].
+    #[cfg(feature = "data_loaders")]
     #[error(transparent)]
     DataLoaderError(#[from] re_data_source::DataLoaderError),
 }
@@ -1023,6 +1024,7 @@ impl RecordingStream {
     /// streaming data in or all of them fail.
     ///
     /// See <https://www.rerun.io/docs/howto/open-any-file> for more information.
+    #[cfg(feature = "data_loaders")]
     pub fn log_file_from_path(
         &self,
         filepath: impl AsRef<std::path::Path>,
@@ -1038,6 +1040,7 @@ impl RecordingStream {
     /// streaming data in or all of them fail.
     ///
     /// See <https://www.rerun.io/docs/howto/open-any-file> for more information.
+    #[cfg(feature = "data_loaders")]
     pub fn log_file_from_contents(
         &self,
         filepath: impl AsRef<std::path::Path>,
@@ -1046,6 +1049,7 @@ impl RecordingStream {
         self.log_file(filepath, Some(contents))
     }
 
+    #[cfg(feature = "data_loaders")]
     fn log_file(
         &self,
         filepath: impl AsRef<std::path::Path>,

crates/rerun/Cargo.toml

@@ -20,7 +20,7 @@ targets = ["x86_64-unknown-linux-gnu", "wasm32-unknown-unknown"]
 
 
 [features]
-default = ["analytics", "demo", "glam", "image", "log", "sdk", "server"]
+default = ["analytics", "data_loaders", "demo", "glam", "image", "log", "sdk", "server"]
 
 ## Enable telemetry using our analytics SDK.
 analytics = [
@@ -33,6 +33,12 @@ analytics = [
 ## Integration with `clap`.
 clap = ["dep:clap", "dep:tokio"]
 
+## Support for using Rerun's data-loaders directly from the SDK.
+##
+## See our `log_file` example and <https://www.rerun.io/docs/howto/open-any-file>
+## for more information.
+data_loaders = ["re_sdk?/data_loaders"]
+
 ## Demo helpers for examples.
 demo = []