How to monkey patch a Python module with code from another location

package_control.py

import importlib
import os

__pkg_path = os.path.join(
    os.path.dirname(os.path.dirname(os.path.dirname(__file__))),
    'Packages',
    'Package Control',
    'package_control'
)
__file_path = os.path.join(__pkg_path,  '__init__.py')

__loader__ = importlib.machinery.SourceFileLoader('package_control', __file_path)
__file__ = __file_path
__package__ = 'package_control'
__path__ = [__pkg_path]

with open(__file_path, 'r', encoding='utf-8') as __f:
    __code = compile(__f.read(), '__init__.py', 'exec')
__data = {}
exec(__code, __data)
globals().update(__data)

__spec__.loader = __loader__
__spec__.origin = __file__
__spec__.cached = None

# variables we used
del globals()['__data']
del globals()['__code']
del globals()['__f']
del globals()['__file_path']
del globals()['__pkg_path']
# imports
del globals()['os']
del globals()['importlib']
# out-dated internals
del globals()['__cached__']