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from __future__ import annotations
import logging
from pathlib import Path
from tox.config.cli.parser import ToxParser
from tox.config.loader.memory import MemoryLoader
from tox.plugin import impl
from tox.report import HandledError
from tox.session.cmd.run.common import env_run_create_flags
from tox.session.cmd.run.sequential import run_sequential
from tox.session.env_select import CliEnv, register_env_select_flags
from tox.session.state import State
@impl
def tox_add_option(parser: ToxParser) -> None:
help_msg = "sets up a development environment at ENVDIR based on the tox configuration specified "
our = parser.add_command("devenv", ["d"], help_msg, devenv)
our.add_argument("devenv_path", metavar="path", default=Path("venv"), nargs="?", type=Path)
register_env_select_flags(our, default=CliEnv("py"), multiple=False)
env_run_create_flags(our, mode="devenv")
def devenv(state: State) -> int:
opt = state.conf.options
opt.devenv_path = opt.devenv_path.absolute()
opt.skip_missing_interpreters = False # the target python must exist
opt.no_test = False # do not run the test suite
opt.package_only = False
opt.install_pkg = None # no explicit packages to install
opt.skip_pkg_install = False # always install a package in this case
opt.no_test = True # do not run the test phase
loader = MemoryLoader( # these configuration values are loaded from in-memory always (no file conf)
usedevelop=True, # dev environments must be of type dev
env_dir=opt.devenv_path, # move it in source
)
state.conf.memory_seed_loaders[list(opt.env)[0]].append(loader)
state.envs.ensure_only_run_env_is_active()
envs = list(state.envs.iter())
if len(envs) != 1:
raise HandledError(f"exactly one target environment allowed in devenv mode but found {', '.join(envs)}")
result = run_sequential(state)
if result == 0:
logging.warning(f"created development environment under {opt.devenv_path}")
return result
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