Use uv to manage Python runtime and state

.github/check-for-naughty-dependencies.sh

@@ -0,0 +1,13 @@
+echo "Checking for openssl-sys in dependency tree..."
+if cargo tree -i openssl-sys >/dev/null 2>&1; then
+	echo "openssl-sys is present in the dependency tree. Please evict it."
+	exit 1
+fi
+
+echo "Checking for native-tls in dependency tree..."
+if cargo tree -i native-tls >/dev/null 2>&1; then
+	echo "native-tls is present in the dependency tree. Please evict it."
+	exit 1
+fi
+
+echo "✅ No naughty dependencies found"

.github/workflows/test-rust.yml

@@ -51,6 +51,8 @@ jobs:
         env:
           RUST_LOG: debug
 
+      - run: bash .github/check-for-naughty-dependencies.sh
+
 #  integration-test:
 #    runs-on: ${{ matrix.os }}
 #    strategy:

Cargo.toml

@@ -15,6 +15,7 @@ repository = "https://github.com/tower/tower-cli"
 aes-gcm = "0.10"
 anyhow = "1.0.95"
 async-compression = { version = "0.4", features = ["tokio", "gzip"] }
+async_zip = { version = "0.0.16", features = ["tokio", "tokio-fs", "deflate"] }
 base64 = "0.22"
 bytes = "1"
 chrono = { version = "0.4", features = ["serde"] }
@@ -26,6 +27,7 @@ crypto = { path = "crates/crypto" }
 dirs = "5"
 futures = "0.3"
 futures-util = "0.3"
+futures-lite = "2.6"
 glob = "0.3"
 http = "1.1"
 indicatif = "0.17"
@@ -53,6 +55,7 @@ tower-cmd = { path = "crates/tower-cmd" }
 tower-package = { path = "crates/tower-package" }
 tower-runtime = { path = "crates/tower-runtime" }
 tower-telemetry = { path = "crates/tower-telemetry" }
+tower-uv = { path = "crates/tower-uv" }
 tracing = { version = "0.1" }
 tracing-appender = "0.2"
 tracing-subscriber = { version = "0.3", features = ["json", "env-filter"] }

crates/tower-runtime/Cargo.toml

@@ -9,6 +9,8 @@ license = { workspace = true }
 [dependencies]
 chrono = { workspace = true }
 tokio = { workspace = true }
+tokio-util = { workspace = true }
 snafu = { workspace = true } 
 tower-package = { workspace = true } 
 tower-telemetry = { workspace = true } 
+tower-uv = { workspace = true } 

crates/tower-runtime/src/errors.rs

@@ -61,6 +61,9 @@ pub enum Error {
 
     #[snafu(display("running Tower apps on this platform is not supported"))]
     UnsupportedPlatform,
+
+    #[snafu(display("cancelled"))]
+    Cancelled,
 }
 
 impl From<std::io::Error> for Error {
@@ -74,3 +77,14 @@ impl From<std::env::JoinPathsError> for Error {
         Error::UnsupportedPlatform
     }
 }
+
+impl From<tower_uv::Error> for Error {
+    fn from(err: tower_uv::Error) -> Self {
+        match err {
+           tower_uv::Error::IoError(_) => Error::SpawnFailed, 
+           tower_uv::Error::NotFound(_) => Error::SpawnFailed, 
+           tower_uv::Error::PermissionDenied(_) => Error::SpawnFailed, 
+           tower_uv::Error::Other(_) => Error::SpawnFailed, 
+        }
+    }
+}