installer.py: Download SUCatalog into memory

Skips writing to disk

CHANGELOG.md

@@ -11,9 +11,13 @@
 - Resolve Electron Crashing with SIP lowered on 12.3
   - Adds `ipc_control_port_options=0` boot argument
   - Unknown whether this is a "bug" or intentional from Apple, affects native Macs with SIP disabled
-- Resolve Catalyst crashing after 1200 seconds on non-Metal
+- Resolved non-Metal issues:
+  - Catalyst crashing after 1200 seconds on non-Metal
+  - Automatic Light/Darkmode (credit @moosethegoose2213)
 - Increment Binaries:
   - PatcherSupportPkg 0.3.6 - release
+- Speed up loading available remote macOS Installers from Apple
+  - Skips writing catalogs to disk, loads into memory directly
 
 ## 0.4.3
 - Increment Binaries:

resources/constants.py

@@ -105,6 +105,7 @@ class Constants:
         self.launcher_binary = None #       Determine launch binary (ie. Python vs PyInstaller)
         self.launcher_script = None  #      Determine launch file (if run via Python)
         self.ignore_updates = False  #      Ignore OCLP updates
+        self.wxpython_variant = False #     Determine if using wxPython variant
 
         ## Hardware
         self.computer: device_probe.Computer = None  # type: ignore

resources/installer.py

@@ -2,6 +2,7 @@
 from pathlib import Path
 import plistlib
 import subprocess
+import requests
 from resources import utilities
 
 def list_local_macOS_installers():
@@ -109,16 +110,17 @@ def install_macOS_installer(download_path):
 def list_downloadable_macOS_installers(download_path, catalog):
     available_apps = {}
     if catalog == "DeveloperSeed":
-        link = "https://swscan.apple.com/content/catalogs/others/index-12seed-12-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz"
+        link = "https://swscan.apple.com/content/catalogs/others/index-12seed-12-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog"
     elif catalog == "PublicSeed":
-        link = "https://swscan.apple.com/content/catalogs/others/index-12beta-12-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz"
+        link = "https://swscan.apple.com/content/catalogs/others/index-12beta-12-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog"
     else:
-        link = "https://swscan.apple.com/content/catalogs/others/index-12customerseed-12-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz"
+        link = "https://swscan.apple.com/content/catalogs/others/index-12customerseed-12-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog"
     
-    # Download and unzip the catalog
+    if utilities.verify_network_connection(link) is True:
-    if utilities.download_file(link, (Path(download_path) / Path("seed.sucatalog.gz"))):
+        try:
-        subprocess.run(["gunzip", "-d", "-f", Path(download_path) / Path("seed.sucatalog.gz")])
+            catalog_plist = plistlib.loads(requests.get(link).content)
-        catalog_plist = plistlib.load((Path(download_path) / Path("seed.sucatalog")).open("rb"))
+        except plistlib.InvalidFileException:
+            return available_apps
 
         for item in catalog_plist["Products"]:
             try:
@@ -129,8 +131,10 @@ def list_downloadable_macOS_installers(download_path, catalog):
 
                 for bm_package in catalog_plist["Products"][item]["Packages"]:
                     if "Info.plist" in bm_package["URL"] and "InstallInfo.plist" not in bm_package["URL"]:
-                        utilities.download_file(bm_package["URL"], (Path(download_path) / Path("Info.plist")))
+                        try:
-                        build_plist = plistlib.load((Path(download_path) / Path("Info.plist")).open("rb"))
+                            build_plist = plistlib.loads(requests.get(bm_package["URL"]).content)
+                        except plistlib.InvalidFileException:
+                            continue
                         version = build_plist["MobileAssetProperties"]["OSVersion"]
                         build = build_plist["MobileAssetProperties"]["Build"]
                         try:

resources/main.py

@@ -13,6 +13,8 @@ class OpenCoreLegacyPatcher:
     def __init__(self, launch_gui=False):
         print("- Loading...")
         self.constants = constants.Constants()
+        if launch_gui is True:
+            self.constants.wxpython_variant = True
         self.generate_base_data()
         if utilities.check_cli_args() is None:
             if launch_gui is True:

resources/sys_patch.py

@@ -247,8 +247,7 @@ class PatchSysVolume:
         if result.returncode != 0 or (self.constants.detected_os < os_data.os_data.catalina and "KernelCache ID" not in result.stdout.decode()):
             self.success_status = False
             print("- Unable to build new kernel cache")
-            print("\nPlease report this to Github")
+            print("\nReason for Patch Failure:")
-            print("Reason for Patch Failure:")
             print(result.stdout.decode())
             print("")
             print("\nPlease reboot the machine to avoid potential issues rerunning the patcher")

resources/updates.py

@@ -44,7 +44,7 @@ class check_binary_updates:
         return False
 
     def determine_local_build_type(self):
-        if self.constants.gui_mode is True:
+        if self.constants.wxpython_variant is True:
             return "GUI"
         else:
             return "TUI"