feat: editable pypi packages

crates/rattler_lock/src/lib.rs

@@ -560,6 +560,11 @@ impl PypiPackage {
     pub fn satisfies(&self, spec: &Requirement) -> bool {
         self.package_data().satisfies(spec)
     }
+
+    /// Returns true if this package should be installed in "editable" mode.
+    pub fn is_editable(&self) -> bool {
+        self.package_data().editable
+    }
 }
 
 /// A helper struct to group package and environment data together.

crates/rattler_lock/src/parse/v3.rs

@@ -185,6 +185,7 @@ pub fn parse_v3_or_lower(document: serde_yaml::Value) -> Result<LockFile, ParseC
                         requires_python: pkg.requires_python,
                         url_or_path: UrlOrPath::Url(pkg.url),
                         hash: pkg.hash,
+                        editable: false,
                     })
                     .0;
                 EnvironmentPackageData::Pypi(

crates/rattler_lock/src/pypi.rs

@@ -31,6 +31,10 @@ pub struct PypiPackageData {
 
     /// The python version that this package requires.
     pub requires_python: Option<VersionSpecifiers>,
+
+    /// Whether the projects should be installed in editable mode or not.
+    #[serde(default, skip_serializing_if = "should_skip_serializing_editable")]
+    pub editable: bool,
 }
 
 /// Additional runtime configuration of a package. Multiple environments/platforms might refer to
@@ -77,3 +81,8 @@ impl PypiPackageData {
         true
     }
 }
+
+/// Used in `skip_serializing_if` to skip serializing the `editable` field if it is `false`.
+fn should_skip_serializing_editable(editable: &bool) -> bool {
+    !*editable
+}

crates/rattler_lock/src/snapshots/rattler_lock__test__v4__path-based-lock.yml.snap

@@ -1,6 +1,6 @@
 ---
 source: crates/rattler_lock/src/lib.rs
-assertion_line: 597
+assertion_line: 602
 expression: conda_lock
 ---
 version: 4
@@ -251,6 +251,7 @@ packages:
     name: minimal-project
     version: "0.1"
     path: "./minimal_project"
+    editable: true
   - kind: conda
     name: openssl
     version: 3.2.1

py-rattler/rattler/lock/pypi.py

@@ -151,6 +151,26 @@ def requires_python(self) -> Optional[str]:
         """
         return self._data.requires_python
 
+    @property
+    def is_editable(self) -> bool:
+        """
+        Whether the package should be installed in editable mode or not.
+
+        Examples
+        --------
+        ```python
+        >>> from rattler import LockFile, Platform
+        >>> lock_file = LockFile.from_path("../test-data/test.lock")
+        >>> env = lock_file.default_environment()
+        >>> pypi_packages = env.pypi_packages()
+        >>> data = pypi_packages[Platform("osx-arm64")][0][0]
+        >>> data.is_editable
+        '>=3.7.0'
+        >>>
+        ```
+        """
+        return self._data.is_editable
+
     @classmethod
     def _from_py_pypi_package_data(cls, pkg_data: PyPypiPackageData) -> PypiPackageData:
         """

py-rattler/src/lock/mod.rs

@@ -341,6 +341,11 @@ impl PyLockedPackage {
         self.inner.url_or_path().to_string()
     }
 
+    #[getter]
+    pub fn is_editable(&self) -> bool {
+        self.inner.is_editable()
+    }
+
     pub fn as_conda(&self) -> Option<PyRecord> {
         if let Some(pkg) = self.inner.as_conda() {
             return Some(Into::into(RepoDataRecord {

test-data/conda-lock/v4/path-based-lock.yml

@@ -246,6 +246,7 @@ packages:
   name: minimal-project
   version: '0.1'
   path: ./minimal_project
+  editable: true
 - kind: conda
   name: openssl
   version: 3.2.1