saru/family-minecraft-modpack
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add custom exception and barebones error handling to launcher detection

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This commit is contained in:
Obie Hinojosa 2025-05-28 20:06:02 -05:00
parent 7ce1216f71
commit b727633f74
1 changed files with 17 additions and 6 deletions
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23
installer.py
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@ -29,6 +29,11 @@ from pathlib import Path
# as far as i can tell, i wanted to add an "option" to the function that toggled the warning m- # as far as i can tell, i wanted to add an "option" to the function that toggled the warning m-
# -essage, so i dont have to use all this space here defining functions i dont really need. # -essage, so i dont have to use all this space here defining functions i dont really need.
class customerror(Exception):
def __init__(self, message):
self.message = message
super().__init__(self.message)
def delete_directory_warn(directory_to_delete, warn=False): def delete_directory_warn(directory_to_delete, warn=False):
#this defines a function to delete a directory (no shit) #this defines a function to delete a directory (no shit)
try: try:
@ -115,13 +120,16 @@ def check_if_exists_and_delete_file(filepath):
else: else:
pass pass
global detectedlauncher
detectedlauncher = "null"
def check_for_launcher_files(filepath, launchername): def check_for_launcher_files(filepath, launchername):
#checks for evidence of 3rd party launchers and sets a variable flag if a launcher is installed #checks for evidence of 3rd party launchers and sets a variable flag if a launcher is installed
if os.path.exists(filepath): if os.path.exists(filepath):
print("Alternative Minecraft launcher detected: " + str(launchername)) print("[INFO]: Detected Minecraft launcher: " + str(launchername))
detectedlauncher = str(launchername) detectedlauncher = str(launchername)
else: else:
pass raise customerror("[ERR!]: File not detected.")
# --------------------the real shit!------------------------ # --------------------the real shit!------------------------
@ -133,13 +141,16 @@ os.chdir(homedir)
global mcfolder global mcfolder
global modfolder global modfolder
# `global` sets these variables to exist outside of the scope of these specific `if` statements. # `global` sets these variables to exist outside of the scope of these specific `if` statements.
if platform.system() == "Linux": if platform.system() == "Linux":
print("Operating system detected: Linux") print("Operating system detected: Linux")
check_for_launcher_files(str(Path.cwd()) + "/.var/app/org.prismlauncher.Prism.Launcher", "PrismLauncherFlatpak") try:
check_for_launcher_files(str(Path.cwd()) + "/.local/share/PrismLauncher/prismlauncher.cfg", "PrismLauncherPackage") check_for_launcher_files(str(Path.cwd()) + "/.local/share/PrismLauncher", "PrismLauncherPackage")
check_for_launcher_files(str(Path.cwd()) + "/.var/app/org.prismlauncher.Prism.Launcher", "PrismLauncherFlatpak")
except customerror as e:
pass
os.chdir(".minecraft") os.chdir(".minecraft")
mcfolder = str(Path.cwd()) mcfolder = str(Path.cwd())
@ -160,7 +171,7 @@ elif platform.system() == "Windows":
mcfolder = str(Path.cwd()) mcfolder = str(Path.cwd())
print("Changed current working directory to '" + str(mcfolder) + "'") print("Changed current working directory to '" + str(mcfolder) + "'")
time.sleep(1) time.sleep(1)
print(); print("Backing up minecraft install...") print(); print("Backing up minecraft install...")
print("Don't close the window! This'll take a moment...") print("Don't close the window! This'll take a moment...")