| """Execute exactly this copy of pip, within a different environment. |
| |
| This file is named as it is, to ensure that this module can't be imported via |
| an import statement. |
| """ |
|
|
| |
|
|
| import sys |
|
|
| |
| PYTHON_REQUIRES = (3, 9) |
|
|
|
|
| def version_str(version): |
| return ".".join(str(v) for v in version) |
|
|
|
|
| if sys.version_info[:2] < PYTHON_REQUIRES: |
| raise SystemExit( |
| "This version of pip does not support python {} (requires >={}).".format( |
| version_str(sys.version_info[:2]), version_str(PYTHON_REQUIRES) |
| ) |
| ) |
|
|
| |
| |
|
|
| import runpy |
| from importlib.machinery import PathFinder |
| from os.path import dirname |
|
|
| PIP_SOURCES_ROOT = dirname(dirname(__file__)) |
|
|
|
|
| class PipImportRedirectingFinder: |
| @classmethod |
| def find_spec(self, fullname, path=None, target=None): |
| if fullname != "pip": |
| return None |
|
|
| spec = PathFinder.find_spec(fullname, [PIP_SOURCES_ROOT], target) |
| assert spec, (PIP_SOURCES_ROOT, fullname) |
| return spec |
|
|
|
|
| sys.meta_path.insert(0, PipImportRedirectingFinder()) |
|
|
| assert __name__ == "__main__", "Cannot run __pip-runner__.py as a non-main module" |
| runpy.run_module("pip", run_name="__main__", alter_sys=True) |
|
|