mmap for windows (RustPython#6329)

Author: youknowone

Cargo.lock

@@ -618,6 +618,7 @@ def test_non_ascii_byte(self):
             self.assertEqual(m.read_byte(), b)
             m.close()
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON
     @unittest.skipUnless(os.name == 'nt', 'requires Windows')
     def test_tagname(self):
         data1 = b"0123456789"
@@ -867,6 +868,7 @@ def test_resize_fails_if_mapping_held_elsewhere(self):
         finally:
             f.close()
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON
     @unittest.skipUnless(os.name == 'nt', 'requires Windows')
     def test_resize_succeeds_with_error_for_second_named_mapping(self):
         """If a more than one mapping exists of the same name, none of them can

Lib/test/test_mmap.py

@@ -97,18 +97,16 @@ chrono.workspace = true
 mac_address = "1.1.3"
 uuid = { version = "1.1.2", features = ["v1"] }
 
-# mmap
-[target.'cfg(all(unix, not(target_arch = "wasm32")))'.dependencies]
-memmap2 = "0.5.10"
-page_size = "0.6"
-
 [target.'cfg(all(unix, not(target_os = "redox"), not(target_os = "ios")))'.dependencies]
 termios = "0.3.3"
 
 [target.'cfg(unix)'.dependencies]
 rustix = { workspace = true }
 
+# mmap + socket dependencies
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+memmap2 = "0.9.9"
+page_size = "0.6"
 gethostname = "1.0.2"
 socket2 = { version = "0.6.0", features = ["all"] }
 dns-lookup = "3.0"
@@ -146,12 +144,15 @@ widestring = { workspace = true }
 [target.'cfg(windows)'.dependencies.windows-sys]
 workspace = true
 features = [
+  "Win32_Foundation",
   "Win32_Networking_WinSock",
   "Win32_NetworkManagement_IpHelper",
   "Win32_NetworkManagement_Ndis",
   "Win32_Security_Cryptography",
+  "Win32_Storage_FileSystem",
   "Win32_System_Environment",
-  "Win32_System_IO"
+  "Win32_System_IO",
+  "Win32_System_Threading"
 ]
 
 [target.'cfg(target_os = "macos")'.dependencies]

crates/stdlib/Cargo.toml

@@ -36,7 +36,7 @@ mod json;
 mod locale;
 
 mod math;
-#[cfg(unix)]
+#[cfg(any(unix, windows))]
 mod mmap;
 mod opcode;
 mod pyexpat;
@@ -189,6 +189,9 @@ pub fn get_module_inits() -> impl Iterator<Item = (Cow<'static, str>, StdlibInit
         #[cfg(unix)]
         {
             "_posixsubprocess" => posixsubprocess::make_module,
+        }
+        #[cfg(any(unix, windows))]
+        {
             "mmap" => mmap::make_module,
         }
         #[cfg(all(unix, not(target_os = "redox")))]