feat(hf): support writing and reading from both http and xet

core/Cargo.toml

@@ -145,6 +145,10 @@ services-hdfs = ["dep:opendal-service-hdfs"]
 services-hdfs-native = ["dep:opendal-service-hdfs-native"]
 services-http = ["dep:opendal-service-http"]
 services-huggingface = ["dep:opendal-service-huggingface"]
+services-huggingface-xet = [
+  "dep:opendal-service-huggingface",
+  "opendal-service-huggingface/xet",
+]
 services-ipfs = ["dep:opendal-service-ipfs"]
 services-ipmfs = ["dep:opendal-service-ipmfs"]
 services-koofr = ["dep:opendal-service-koofr"]

core/services/huggingface/Cargo.toml

@@ -30,15 +30,35 @@ version = { workspace = true }
 [package.metadata.docs.rs]
 all-features = true
 
+[features]
+default = []
+xet = ["dep:reqwest", "dep:subxet", "dep:futures", "dep:async-trait"]
+
 [dependencies]
+backon = "1.6"
+base64 = { workspace = true }
 bytes = { workspace = true }
 http = { workspace = true }
 log = { workspace = true }
 opendal-core = { path = "../../core", version = "0.55.0", default-features = false }
 percent-encoding = "2"
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
+# XET storage protocol support (optional)
+async-trait = { version = "0.1", optional = true }
+futures = { workspace = true, optional = true }
+reqwest = { version = "0.12", default-features = false, features = [
+  "rustls-tls",
+], optional = true }
+subxet = { git = "https://github.com/kszucs/subxet", optional = true }
 
 [dev-dependencies]
 futures = { workspace = true }
+opendal-core = { path = "../../core", version = "0.55.0", features = [
+  "reqwest-rustls-tls",
+] }
+reqwest = { version = "0.12", default-features = false, features = [
+  "rustls-tls",
+] }
+serde_json = { workspace = true }
 tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }