unicodedata.is_mirrored

Author: youknowone

Cargo.lock

@@ -208,6 +208,7 @@ unic-ucd-bidi = "0.9.0"
 unic-ucd-category = "0.9.0"
 unic-ucd-ident = "0.9.0"
 unicode_names2 = "1.3.0"
+unicode-bidi-mirroring = "0.2"
 widestring = "1.1.0"
 windows-sys = "0.59.0"
 wasm-bindgen = "0.2.100"

Cargo.toml

@@ -179,8 +179,6 @@ def test_decomposition(self):
         self.assertRaises(TypeError, self.db.decomposition)
         self.assertRaises(TypeError, self.db.decomposition, 'xx')
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_mirrored(self):
         self.assertEqual(self.db.mirrored('\uFFFE'), 0)
         self.assertEqual(self.db.mirrored('a'), 0)

Lib/test/test_unicodedata.py

@@ -73,6 +73,7 @@ unic-ucd-category  = { workspace = true }
 unic-ucd-age       = { workspace = true }
 unic-ucd-ident     = { workspace = true }
 ucd = "0.1.1"
+unicode-bidi-mirroring = { workspace = true }
 
 # compression
 adler32 = "1.2.0"

stdlib/Cargo.toml

@@ -23,6 +23,7 @@ pub fn make_module(vm: &VirtualMachine) -> PyRef<PyModule> {
         "bidirectional",
         "east_asian_width",
         "normalize",
+        "mirrored",
     ]
     .into_iter()
     {
@@ -72,6 +73,7 @@ mod unicodedata {
     use unic_ucd_age::{Age, UNICODE_VERSION, UnicodeVersion};
     use unic_ucd_bidi::BidiClass;
     use unic_ucd_category::GeneralCategory;
+    use unicode_bidi_mirroring::is_mirroring;
 
     #[pyattr]
     #[pyclass(name = "UCD")]
@@ -193,6 +195,21 @@ mod unicodedata {
             Ok(normalized_text)
         }
 
+        #[pymethod]
+        fn mirrored(&self, character: PyStrRef, vm: &VirtualMachine) -> PyResult<i32> {
+            match self.extract_char(character, vm)? {
+                Some(c) => {
+                    if let Some(ch) = c.to_char() {
+                        // Check if the character is mirrored in bidirectional text using Unicode standard
+                        Ok(if is_mirroring(ch) { 1 } else { 0 })
+                    } else {
+                        Ok(0)
+                    }
+                }
+                None => Ok(0),
+            }
+        }
+
         #[pygetset]
         fn unidata_version(&self) -> String {
             self.unic_version.to_string()