Added hard-coded table of System Menu versions for conversions

src/libWiiPy/shared.py

@@ -47,3 +47,65 @@ def _pad_bytes(data, alignment=64) -> bytes:
     while (len(data) % alignment) != 0:
         data += b'\x00'
     return data
+
+
+_wii_menu_versions = {
+    "Prelaunch": [0, 1, 2],
+    "1.0J": 64,
+    "1.0U": 33,
+    "1.0E": 34,
+    "2.0J": 128,
+    "2.0U": 97,
+    "2.0E": 130,
+    "2.1E": 162,
+    "2.2J": 192,
+    "2.2U": 193,
+    "2.2E": 194,
+    "3.0J": 224,
+    "3.0U": 225,
+    "3.0E": 226,
+    "3.1J": 256,
+    "3.1U": 257,
+    "3.1E": 258,
+    "3.2J": 288,
+    "3.2U": 289,
+    "3.2E": 290,
+    "3.3J": 352,
+    "3.3U": 353,
+    "3.3E": 354,
+    "3.3K": 326,
+    "3.4J": 384,
+    "3.4U": 385,
+    "3.4E": 386,
+    "3.5K": 390,
+    "4.0J": 416,
+    "4.0U": 417,
+    "4.0E": 418,
+    "4.1J": 448,
+    "4.1U": 449,
+    "4.1E": 450,
+    "4.1K": 454,
+    "4.2J": 480,
+    "4.2U": 481,
+    "4.2E": 482,
+    "4.2K": 486,
+    "4.3J": 512,
+    "4.3U": 513,
+    "4.3E": 514,
+    "4.3K": 518,
+    "4.3U-Mini": 4609,
+    "4.3E-Mini": 4610
+}
+
+
+_vwii_menu_versions = {
+    "vWii-1.0.0J": 512,
+    "vWii-1.0.0U": 513,
+    "vWii-1.0.0E": 514,
+    "vWii-4.0.0J": 544,
+    "vWii-4.0.0U": 545,
+    "vWii-4.0.0E": 546,
+    "vWii-5.2.0J": 608,
+    "vWii-5.2.0U": 609,
+    "vWii-5.2.0E": 610,
+}

src/libWiiPy/title/tmd.py

@@ -129,17 +129,14 @@ class TMD:
             # "Reserved" data 2.
             tmd_data.seek(0x1C6)
             self.reserved2 = tmd_data.read(18)
-            # Access rights of the title; DVD-video access and AHBPROT.
+            # Access rights of the title; DVD-video and AHB access.
             tmd_data.seek(0x1D8)
             self.access_rights = tmd_data.read(4)
             # Version number straight from the TMD.
             tmd_data.seek(0x1DC)
             self.title_version = int.from_bytes(tmd_data.read(2))
             # Calculate the converted version number via util module.
-            try:
+            self.title_version_converted = title_ver_dec_to_standard(self.title_version, self.title_id, bool(self.vwii))
-                self.title_version_converted = title_ver_dec_to_standard(self.title_version, self.title_id)
-            except ValueError:
-                self.title_version_converted = ""
             # The number of contents listed in the TMD.
             tmd_data.seek(0x1DE)
             self.num_contents = int.from_bytes(tmd_data.read(2))
@@ -413,7 +410,7 @@ class TMD:
             if new_version > 65535:
                 raise ValueError("Title version is not valid! Integer version number cannot exceed v65535.")
             self.title_version = new_version
-            version_converted = title_ver_dec_to_standard(new_version, self.title_id)
+            version_converted = title_ver_dec_to_standard(new_version, self.title_id, bool(self.vwii))
             self.title_version_converted = version_converted
         else:
             raise TypeError("Title version type is not valid! Type must be either integer or string.")

src/libWiiPy/title/util.py

@@ -4,9 +4,10 @@
 # General title-related utilities that don't fit within a specific module.
 
 import math
+from ..shared import _wii_menu_versions, _vwii_menu_versions
 
 
-def title_ver_dec_to_standard(version: int, title_id: str) -> str:
+def title_ver_dec_to_standard(version: int, title_id: str, vwii: bool = False) -> str:
     """
     Converts a title's version from decimal form (vXXX, the way the version is stored in the TMD/Ticket) to its standard
     and human-readable form (vX.X). The Title ID is required as some titles handle this version differently from others.
@@ -18,6 +19,8 @@ def title_ver_dec_to_standard(version: int, title_id: str) -> str:
         The version of the title, in decimal form.
     title_id : str
         The Title ID that the version is associated with.
+    vwii : bool
+        Whether this title is for the vWii or not. Only relevant for the System Menu.
 
     Returns
     -------
@@ -26,7 +29,16 @@ def title_ver_dec_to_standard(version: int, title_id: str) -> str:
     """
     version_out = ""
     if title_id == "0000000100000002":
-        raise ValueError("The System Menu's version cannot currently be converted.")
+        if vwii:
+            try:
+                version_out = list(_vwii_menu_versions.keys())[list(_vwii_menu_versions.values()).index(version)]
+            except ValueError:
+                version_out = ""
+        else:
+            try:
+                version_out = list(_wii_menu_versions.keys())[list(_wii_menu_versions.values()).index(version)]
+            except ValueError:
+                version_out = ""
     else:
         # For most channels, we need to get the floored value of version / 256 for the major version, and the version %
         # 256 as the minor version. Minor versions > 9 are intended, as Nintendo themselves frequently used them.