cppm.py

from os.path import expanduser

home = expanduser("~")
print("Importing os module...")
import os

try:
    app = 'cmd' if os.name == "nt" else 'sh'
    print(f"Loading. Press Ctrl+C to execute {app}.")
    print("Importing sys module...")
    import sys

    print("Importing time module...")
    import time

    print("Importing gnupg module...")
    try:
        import gnupg
    except ImportError:
        print("Package gnupg not installed. Executing pip to request install...")
        os.system("python -m pip install gnupg")
        print("Attempting import again...")
        import gnupg
    print("Importing platform module...")
    import platform

    print("Importing glob module...")
    import glob

    print("Importing art, requests and colorama modules...")
    try:
        from art import *
    except ImportError:
        print("Package art not installed. Executing pip to request install...")
        os.system("python -m pip install art")
        print("Attempting import again...")
        from art import *
    try:
        from colorama import *
    except ImportError:
        print("Package colorama not installed. Executing pip to request install...")
        os.system("python -m pip install colorama")
        print("Attempting import again...")
        from colorama import *
    try:
        import requests
    except ImportError:
        print("Package requests not installed. Executing pip to request install...")
        os.system("python -m pip install requests")
        print("Attempting import again...")
        import requests
    os.system(
        'cls' if os.name == "nt" else 'clear'
    )  # else coloring will obviously not work on windows console host
    print(f"{Back.WHITE}{Fore.BLACK}Welcome to CPPM!{Style.RESET_ALL}")
    time.sleep(0.5)
    print("Launching CPPM...")
except KeyboardInterrupt:
    print(
        f"You are entering the system command line shell, `{app}'. This is only for advanced users!\nType HELP for a list of commands. If you did not mean to go here, type EXIT."
    )
    os.system(app)
    os.system("python " + __file__)
    exit()
print("Type `help' or `?' for command list, type `license' for legal notices")
if not os.path.isdir(f"{home}/cppm-{os.name}"):
    print("Setting up. Please wait.")
    os.makedirs(f"{home}/cppm-{os.name}")
    os.makedirs(f"{home}/cppm-{os.name}/apps")
    infofile = open(f"{home}/cppm-{os.name}/info.txt", 'a+')  # open file in append mode
    infofile.write('This folder describes the files for CPPM.')
    infofile.close()
while True:
    try:
        cmd = input("cppm>")
        if cmd == "help" or cmd == "?":
            print("install: Install package from the internet")
            print("uninstall: Uninstall package")
            print("upgrade: Upgrade package from the internet")
            print("help: Open this help page")
            print("?: alias of help")
            print("exit: Exit CPPM and stop it's processes")
            print("list: List the packages installed (usally stored in a text file)")
        elif cmd == "list":
            with open(
                os.path.dirname(os.path.realpath(__file__)) + '/pkglist.txt', 'r'
            ) as reader:
                print(reader.read())
        elif cmd == "install":
            print(
                "Usage: install <GitHub repository>\n\nHelps install a package through a GitHub Release. This is so\nCPPM can reject closed-source apps like the old PowerShell (or 'Windows PowerShell').\n\nFor example, to install PowerShell Core (open-source version of Windows PowerShell), run:\n          install PowerShell/PowerShell"
            )
        elif cmd == "exit":
            exit()
        else:
            if (
                cmd != ""
                and not cmd.startswith("install ")
                and not cmd.startswith("upgrade ")
                and not cmd.startswith("uninstall ")
            ):
                print(
                    f"{Fore.RED}Invalid CPPM command `{cmd}'!{Style.RESET_ALL} Type `help' or `?' for a list of commands that\ncan be executed in CPPM."
                )
            if cmd.startswith("install "):
                asset = input("Provide the asset: ")
                repo = cmd.replace("install ", "", 1)

                os.makedirs(f"{home}/cppm-{os.name}/apps/{repo}")
                print("Attempting to get latest GitHub release...")
                link = f"https://github.com/{repo}/releases/latest/download/{asset}"
                file_name = f"{home}/cppm-{os.name}/apps/{repo}/{asset}"
                with open(file_name, "wb") as f:
                    print("Downloading %s" % asset)
                    response = requests.get(link, stream=True)
                    total_length = response.headers.get('content-length')

                    if total_length is None:  # no content length header
                        f.write(response.content)
                    else:
                        dl = 0
                        total_length = int(total_length)
                        for data in response.iter_content(chunk_size=4096):
                            dl += len(data)
                            f.write(data)
                            done = int(50 * dl / total_length)
                            per = int(done * 2)
                            import os

                            if (
                                os.path.exists(f"{dir}/{asset}")
                                and os.path.getsize(f"{dir}/{asset}") > 25
                            ):
                                sizedisplay = 1
                                size = os.path.getsize(f"{dir}/{asset}")
                            else:
                                sizedisplay = 0
                            if sizedisplay:
                                sys.stdout.write(
                                    "\r%s%s" % ('■' * done, ' ' * (50 - done))
                                    + f" | {per}% Done ({size} Bytes)"
                                )
                            else:
                                sys.stdout.write(
                                    "\r%s%s" % ('■' * done, ' ' * (50 - done))
                                    + f" | {per}% Done"
                                )
                            sys.stdout.flush()
                print("!")
                if asset.endswith(".zip"):
                    print(f"Extracting {asset}...")
                    import zipfile

                    with zipfile.ZipFile(
                        f"{home}/cppm-{os.name}/apps/{repo}/{asset}", 'r'
                    ) as zip_ref:
                        zip_ref.extractall(f"{home}/cppm-{os.name}/apps/{repo}")
                    os.unlink(f"{home}/cppm-{os.name}/apps/{repo}/{asset}")
                print(
                    f"Remember to add this package to the PATH using this PowerShell command:\n$env:Path += '{home}/cppm-{os.name}/apps/{repo}'"
                )
    except KeyboardInterrupt:
        print("^C")