feature: make it possible to deserialize virtual packages

.gitignore

@@ -16,3 +16,6 @@ Cargo.lock
 *.pdb
 
 **/.DS_Store
+
+# rattler
+.prefix

crates/rattler_conda_types/src/version/mod.rs

@@ -115,7 +115,7 @@ mod parse;
 /// this problem by appending an underscore to plain version numbers:
 ///
 /// 1.0.1_ < 1.0.1a =>  True   # ensure correct ordering for openssl
-#[derive(Clone, Debug, Eq)]
+#[derive(Clone, Debug, Eq, Deserialize)]
 pub struct Version {
     /// A normed copy of the original version string trimmed and converted to lower case.
     /// Also dashes are replaced with underscores if the version string does not contain

crates/rattler_virtual_packages/Cargo.toml

@@ -18,6 +18,7 @@ once_cell = "1.17.0"
 rattler_conda_types = { version = "0.2.0", path = "../rattler_conda_types" }
 thiserror = "1.0.38"
 tracing = "0.1.37"
+serde = { version = "1.0.130", features = ["derive"] }
 
 [target.'cfg(target_os="macos")'.dependencies]
 plist = "1"

crates/rattler_virtual_packages/src/lib.rs

@@ -40,6 +40,7 @@ use std::str::FromStr;
 use crate::osx::ParseOsxVersionError;
 use libc::DetectLibCError;
 use linux::ParseLinuxVersionError;
+use serde::Deserialize;
 
 /// An enum that represents all virtual package types provided by this library.
 #[derive(Clone, Eq, PartialEq, Hash, Debug)]
@@ -153,9 +154,10 @@ fn try_detect_virtual_packages() -> Result<Vec<VirtualPackage>, DetectVirtualPac
 }
 
 /// Linux virtual package description
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize)]
 pub struct Linux {
     /// The version of linux
+    /// #[serde(deserialize_with = "from_str")]
     pub version: Version,
 }
 
@@ -186,12 +188,13 @@ impl From<Linux> for VirtualPackage {
 }
 
 /// LibC virtual package description
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize)]
 pub struct LibC {
     /// The family of LibC. This could be glibc for instance.
     pub family: String,
 
     /// The version of the libc distribution.
+    /// #[serde(deserialize_with = "from_str")]
     pub version: Version,
 }
 
@@ -222,9 +225,10 @@ impl From<LibC> for VirtualPackage {
 }
 
 /// Cuda virtual package description
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize)]
 pub struct Cuda {
     /// The maximum supported Cuda version.
+    /// #[serde(deserialize_with = "from_str")]
     pub version: Version,
 }
 
@@ -252,7 +256,7 @@ impl From<Cuda> for VirtualPackage {
 }
 
 /// Archspec describes the CPU architecture
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize)]
 pub struct Archspec {
     /// A specification of the architecture family. This could be `x86_64` but it could also include
     /// the full CPU family.
@@ -306,9 +310,10 @@ impl From<Archspec> for VirtualPackage {
 }
 
 /// OSX virtual package description
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize)]
 pub struct Osx {
     /// The OSX version
+    /// #[serde(deserialize_with = "from_str")]
     pub version: Version,
 }