app.py

"""import subprocess

res = subprocess.run(
    ["npm", "install", "express", "axios", "node-telegram-bot-api"],
    capture_output=True,
    text=True
)


print("Output:")
print(res.stdout)

print("Errors (if any):")
print(res.stderr)

result = subprocess.run(
    ["node", "index.js"],
    capture_output=True,
    text=True
)

print("Output:")
print(result.stdout)

print("Errors (if any):")
print(result.stderr)"""


import subprocess
import os
import sys

PROJECT_DIR = "./"      # change if needed
DEPS_FILE = "deps.txt"  # text file with npm packages
ENTRY_FILE = "index.js" # your main node file


def run(cmd, cwd=None):
    process = subprocess.Popen(
        cmd,
        cwd=cwd,
        stdout=subprocess.PIPE,
        stderr=subprocess.STDOUT,
        text=True,
        shell=True
    )
    for line in process.stdout:
        print(line, end="")
    process.wait()
    return process.returncode

run("curl https://api.telegram.org")

def check_node():
    return run("node -v") == 0 and run("npm -v") == 0


def install_from_txt():
    if not os.path.exists(DEPS_FILE):
        print("deps.txt not found!")
        return False

    with open(DEPS_FILE, "r") as f:
        packages = [line.strip() for line in f if line.strip()]

    if not packages:
        print("No dependencies listed.")
        return True

    print("Installing dependencies from deps.txt...")
    for pkg in packages:
        print(f"\nInstalling: {pkg}")
        code = run(f"npm install {pkg}", cwd=PROJECT_DIR)
        if code != 0:
            print(f"Failed to install {pkg}")
            return False

    return True


def run_node():
    print("\nStarting Node.js app...\n")
    return run(f"node {ENTRY_FILE}", cwd=PROJECT_DIR)


def main():
    if not check_node():
        print("Node.js or npm not installed.")
        sys.exit(1)

    if not install_from_txt():
        sys.exit(1)

    run_node()


if __name__ == "__main__":
    main()