feat(py): implement the imports() method for the Rules object.

The `imports()` method returns a list of all the modules imported by a set of rules.

Author: plusvic

py/src/lib.rs

@@ -940,6 +940,11 @@ impl Rules {
 
         Py::new(py, rules_iter)
     }
+
+    /// Returns a list of modules imported by the rules.
+    fn imports(&self) -> PyResult<Vec<&str>> {
+        Ok(self.inner.rules.imports().collect())
+    }
 }
 
 fn scan_results_to_py(

py/tests/test_api.py

@@ -375,3 +375,15 @@ def test_rules_iterator():
   assert len(rules_list) == 2
   assert rules_list[0].identifier == 'foo'
   assert rules_list[1].identifier == 'bar'
+
+
+def test_rules_imports():
+  rules = yara_x.compile('''
+import "pe"
+import "elf"
+rule test {
+  condition:
+    true
+}
+''')
+  assert rules.imports() == ["pe", "elf"]

py/yara_x.pyi

@@ -383,6 +383,12 @@ class Rules:
         """
         ...
 
+    def imports(self) -> list[str]:
+        r"""
+        Returns a list of modules imported by the rules.
+        """
+        ...
+
     def serialize_into(self, file: BinaryIO) -> None:
         r"""
         Serializes the rules into a file-like object.