def _create_private_venv(self,
path,
description,
clear=False,
upgrade=False):
if not _check_venv_installed(self):
return
# Don't include system site packages
# This way all students will have similar configuration
# independently of system Python (if Thonny is used with system Python)
# NB! Cant run venv.create directly, because in Windows bundle
# it tries to link venv to thonny.exe.
# Need to run it via proper python
args = ["-m", "venv"]
if clear:
args.append("--clear")
if upgrade:
args.append("--upgrade")
try:
import ensurepip
except ImportError:
args.append("--without-pip")
args.append(path)
proc = create_frontend_python_process(args)
from thonny.workdlg import SubprocessDialog
dlg = SubprocessDialog(
get_workbench(),
proc,
"Preparing the backend",
long_description=description,
autostart=True,
)
try:
ui_utils.show_dialog(dlg)
except Exception:
# if using --without-pip the dialog may close very quickly
# and for some reason wait_window would give error then
logging.exception("Problem with waiting for venv creation dialog")
get_workbench().become_active_window(
) # Otherwise focus may get stuck somewhere
bindir = os.path.dirname(get_private_venv_executable())
# create private env marker
marker_path = os.path.join(bindir, "is_private")
with open(marker_path, mode="w") as fp:
fp.write("# This file marks Thonny-private venv")
# Create recommended pip conf to get rid of list deprecation warning
# https://github.com/pypa/pip/issues/4058
pip_conf = "pip.ini" if running_on_windows() else "pip.conf"
with open(os.path.join(path, pip_conf), mode="w") as fp:
fp.write("[list]\nformat = columns")
assert os.path.isdir(path)
def _run_pip_with_dialog(self, args, title) -> Tuple[int, str, str]:
args = ["-m", "thonny.plugins.micropython.minipip"] + args
proc = running.create_frontend_python_process(args, stderr=subprocess.STDOUT)
cmd = proc.cmd
dlg = SubprocessDialog(self, proc, "minipip", long_description=title, autostart=True)
ui_utils.show_dialog(dlg)
return dlg.returncode, dlg.stdout, dlg.stderr
def _create_venv(self, event=None):
if not _check_venv_installed(self):
return
messagebox.showinfo(
"Creating new virtual environment",
"After clicking 'OK' you need to choose an empty directory, "
"which will be the root of your new virtual environment.",
parent=self,
)
path = None
while True:
path = askdirectory(
parent=self.winfo_toplevel(),
initialdir=path,
title=tr("Select empty directory for new virtual environment"),
)
if not path:
return
if os.listdir(path):
messagebox.showerror(
tr("Bad directory"),
tr("Selected directory is not empty.\nSelect another or cancel."
),
master=self,
)
else:
break
assert os.path.isdir(path)
path = normpath_with_actual_case(path)
proc = subprocess.Popen(
[running.get_interpreter_for_subprocess(), "-m", "venv", path],
stdin=None,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
universal_newlines=True,
)
from thonny.workdlg import SubprocessDialog
dlg = SubprocessDialog(self,
proc,
tr("Creating virtual environment"),
autostart=True)
ui_utils.show_dialog(dlg)
if running_on_windows():
exe_path = normpath_with_actual_case(
os.path.join(path, "Scripts", "python.exe"))
else:
exe_path = os.path.join(path, "bin", "python3")
if os.path.exists(exe_path):
self._configuration_variable.set(exe_path)