Implement _stat module (RustPython#5847)

* Implement _stat module

* Allow 'FIRMLINK' term

Author: moreal

.cspell.json

@@ -133,6 +133,8 @@
     // win32
     "birthtime",
     "IFEXEC",
+    // "stat"
+    "FIRMLINK"
   ],
   // flagWords - list of words to be always considered incorrect
   "flagWords": [

Lib/test/test_stat.py

@@ -240,40 +240,10 @@ class TestFilemodeCStat(TestFilemode, unittest.TestCase):
     statmod = c_stat
 
     # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_devices(self):
-        super().test_devices()
-
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_directory(self):
-        super().test_directory()
-
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_file_attribute_constants(self):
-        super().test_file_attribute_constants()
-
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_link(self):
-        super().test_link()
-
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_mode(self):
-        super().test_mode()
-
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_module_attributes(self):
-        super().test_module_attributes()
-
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_socket(self):
-        super().test_socket()
-
+    if sys.platform == "win32":
+        @unittest.expectedFailure
+        def test_link(self):
+            super().test_link()
 
 class TestFilemodePyStat(TestFilemode, unittest.TestCase):
     statmod = py_stat

vm/src/stdlib/mod.rs

@@ -14,6 +14,7 @@ mod operator;
 // TODO: maybe make this an extension module, if we ever get those
 // mod re;
 mod sre;
+mod stat;
 mod string;
 #[cfg(feature = "compiler")]
 mod symtable;
@@ -89,6 +90,7 @@ pub fn get_module_inits() -> StdlibMap {
             "_operator" => operator::make_module,
             "_signal" => signal::make_module,
             "_sre" => sre::make_module,
+            "_stat" => stat::make_module,
             "_string" => string::make_module,
             "time" => time::make_module,
             "_typing" => typing::make_module,