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#!/usr/bin/env python3
"""
Script to migrate from pipsi to pipx
"""
import os
import subprocess
import sys
from pathlib import Path
from shutil import which
def main():
if not which("pipx"):
sys.exit("pipx must be installed to migrate from pipsi to pipx")
if not sys.stdout.isatty():
sys.exit("Must be run from a terminal, not a script")
pipsi_home = os.environ.get("PIPSI_HOME", os.path.expanduser("~/.local/venvs/"))
packages = [p.name for p in Path(pipsi_home).iterdir()]
if not packages:
print("No packages installed with pipsi")
sys.exit(0)
print("Attempting to migrate the following packages from pipsi to pipx:")
for package in packages:
print(f" - {package}")
answer = None
while answer not in ["y", "n"]:
answer = input("Continue? [y/n] ")
if answer == "n":
sys.exit(0)
error = False
for package in packages:
ret = subprocess.run(["pipsi", "uninstall", "--yes", package], check=False)
if ret.returncode:
error = True
print(f"Failed to uninstall {package!r} with pipsi. Not attempting to install with pipx.")
else:
print(f"uninstalled {package!r} with pipsi. Now attempting to install with pipx.")
ret = subprocess.run(["pipx", "install", package], check=False)
if ret.returncode:
error = True
print(f"Failed to install {package!r} with pipx.")
else:
print(f"Successfully installed {package} with pipx")
print(f"Done migrating {len(packages)} packages!")
print("You may still need to run `pipsi uninstall pipsi` or `pip uninstall pipsi`. Refer to pipsi's documentation.")
if error:
print("Note: Finished with errors. Review output to manually complete migration.")
if __name__ == "__main__":
main()
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