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import sys

WARNED = False

def print_version_warning():

global WARNED

if not WARNED:

from warnings import warn

warn("You are using an untested version of pip. GraalPy " +

"provides patches and workarounds for a number of packages when used with " +

"compatible pip versions. We recommend to stick with the pip version that " +

"ships with this version of GraalPy.", RuntimeWarning)

WARNED = True

class PipLoader:

def __init__(self, real_loader):

self.real_loader = real_loader

def create_module(self, spec):

return self.real_loader.create_module(spec)

def exec_module(self, module):

self.real_loader.exec_module(module)

if not getattr(module, '__GRAALPY_PATCHED', False):

print_version_warning()

class PipImportHook:

@staticmethod

def _wrap_real_spec(fullname, path, target):

for finder in sys.meta_path:

if finder is PipImportHook:

continue

real_spec = finder.find_spec(fullname, path, target)

if real_spec:

real_spec.loader = PipLoader(real_spec.loader)

return real_spec

@staticmethod

def find_spec(fullname, path, target=None):

if fullname == "pip":

return PipImportHook._wrap_real_spec(fullname, path, target)

sys.meta_path.insert(0, PipImportHook)