BuildGap.py

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#  | |_) |_   _ _| | __| | |  __  __ _ _ __  
#  |  _ <| | | | | |/ _` | | |_ |/ _` | '_ \ 
#  | |_) | |_| | | | (_| | |__| | (_| | |_) |
#  |____/ \__,_|_|_|\__,_|\_____|\__,_| .__/ 
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import sys
import apt
from termcolor import colored, cprint
import subprocess
from pathlib import Path
#---------------------------------------------------------------------------------------------------------
pkgname = None
wanip= "9.9.9.9"

apt.apt_pkg.init()
cache=apt.Cache()
cache.open()
def wanchck():
	try:
		test=subprocess.call("ping -c 1 " + wanip, shell=True, stdout=subprocess.DEVNULL)
		if test !=0:
			raise ValueError('No internet')
	except:
		print(colored("=>!Internet connection unavailable<=","red"))
		sys.exit()

#check if argument is provided and valid
def chckarg():
	
	try:
		global pkgname
		pkgname = str(sys.argv[1])
		print(colored(pkgname,"cyan",attrs=["underline"]), colored(" package is selected","green"))
		
	except: 
		print(colored("=>!Missing package name!<=","red"))
		sys.exit()
	try:
		cache[pkgname]
		return pkgname

	except:
		print(colored("=>!This package does not exist!<=","red"))
		sys.exit()	

#Download the main package
def	getpkg():
	pkg=cache[pkgname]
	Path("/tmp/BuildGap").mkdir(parents=True, exist_ok=True)
	pkg.candidate.fetch_binary('/tmp/BuildGap/')

#Download dependencies
def getdep():
	pkg=cache[pkgname]
	dependencies= pkg.candidate.dependencies
	
	for x in range(len(dependencies)):
		for y in range(len(dependencies[x])):
			depname=dependencies[x][y].name
			print(depname)
			Path("/tmp/BuildGap").mkdir(parents=True, exist_ok=True)
			try:
				Currentdep=cache[depname]
				Currentdep.candidate.fetch_binary('/tmp/BuildGap/')
			except:
				print(colored(depname,"cyan",attrs=["underline"]), colored(" package could not be downloaded","red"))


#Print Banner
print(colored(""" 
==================================
===|| BuildGap|| by zamansoum||===
==================================		
""", "yellow", attrs=["dark"]))

wanchck()
chckarg()
getdep()
getpkg()