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# Licensed under the MIT License.

import json

import os

import pathlib

import urllib.request as url_lib

from packaging.version import parse as version_parser

EXTENSION_ROOT = pathlib.Path(__file__).parent.parent

GET_PIP_DEST = EXTENSION_ROOT / "python_files"

PIP_PACKAGE = "pip"

PIP_VERSION = "latest" # Can be "latest", or specific version "23.1.2"

def _get_package_data():

json_uri = "https://pypi.org/pypi/{0}/json".format(PIP_PACKAGE)

# Response format: https://warehouse.readthedocs.io/api-reference/json/#project

# Release metadata format: https://github.com/pypa/interoperability-peps/blob/master/pep-0426-core-metadata.rst

with url_lib.urlopen(json_uri) as response:

return json.loads(response.read())

def _download_and_save(root, version):

root = os.getcwd() if root is None or root == "." else root

url = f"https://raw.githubusercontent.com/pypa/get-pip/{version}/public/get-pip.py"

print(url)

with url_lib.urlopen(url) as response:

data = response.read()

get_pip_file = pathlib.Path(root) / "get-pip.py"

get_pip_file.write_bytes(data)

def main(root):

data = _get_package_data()

if PIP_VERSION == "latest":

# Pick latest 5 versions to try and get-pip

sorted_versions = sorted(data["releases"].keys(), key=version_parser, reverse=True)[:5]

downloaded = False

while sorted_versions:

use_version = sorted_versions.pop(0)

try:

print(f"Trying version: get-pip == {use_version}")

_download_and_save(root, use_version)

downloaded = True

break

except Exception as e:

print(f"Failed to download get-pip == {use_version}: {e}")

print(f"NExt attempt(s) with versions: {sorted_versions}")

if not downloaded:

raise Exception("Failed to download get-pip.py")

else:

use_version = PIP_VERSION

_download_and_save(root, use_version)

if __name__ == "__main__":

main(GET_PIP_DEST)