import bpy
from subprocess import run

# get python's binary path (literally my saviour)
py_bin = bpy.app.binary_path_python
req_mods = ["lxml"]
trusted_hosts = ["--trusted-host", "pypi.python.org", "--trusted-host", "files.pythonhosted.org", "--trusted-host", "pypi.org"]

try:
  import pip
  import setuptools
  import lxml
except:
  # hecking install pip (ensurepip) + required modules
  run([py_bin, "-m", "ensurepip"])  
  # update pip and setuptools to latest version
  run([py_bin, "-m", "pip", "install", "--upgrade", "--force-reinstall", "pip"] + trusted_hosts)  
  run([py_bin, "-m", "pip", "install", "--upgrade", "setuptools"] + trusted_hosts)  
  # install required modules
  run([py_bin, "-m", "pip", "install"] + req_mods + trusted_hosts)
  print("First exit!")
  exit(0) 

# print module's versions installed
print("pip %s is installed!" % (pip.__version__))
print("setuptools %s is installed!" % (pip.__version__))
print("lxml %s is installed!" % (lxml.__version__))