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plugin.py
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plugin.py
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import os.path
from contextlib import contextmanager
from functools import partial
import pluggy
import py
from tox import package
from tox import reporter
from tox.exception import InterpreterNotFound
from tox.package import get_package
from tox.util.path import ensure_empty_dir
hookimpl = pluggy.HookimplMarker("tox")
@hookimpl
def tox_addoption(parser):
parser.add_argument(
"--wheel",
action="store_true",
help="Build wheel instead of sdist",
)
parser.add_argument(
"--wheel-dirty",
action="store_true",
help="Do not remove build directory (fast but dirty builds)",
)
parser.add_testenv_attribute(
name="wheel",
type="bool",
default=False,
help="Build wheel instead of sdist",
)
parser.add_testenv_attribute(
name="wheel_pep517",
type="string",
default="",
help=(
"Build wheel using PEP 517/518 (pass true to build with pip or "
"build to build with build)"
),
)
parser.add_testenv_attribute(
name="wheel_dirty",
type="bool",
default=False,
help="Do not remove build directory (fast but dirty builds)"
)
parser.add_testenv_attribute(
name="wheel_build_env",
type="string",
default="{envname}",
help="Environment to use for building the wheel. Default: %(default)r"
)
@contextmanager
def patch(obj, attr, value):
original = getattr(obj, attr)
setattr(obj, attr, value)
try:
yield
finally:
setattr(obj, attr, original)
@hookimpl
def tox_testenv_install_deps(venv, action):
if venv.envconfig.wheel_pep517 == "build":
venv.run_install_command(["build[virtualenv]>=0.7.0"], action)
return None
@hookimpl
def tox_package(session, venv):
if session.config.option.wheel or venv.envconfig.wheel:
build_venv = session.getvenv(venv.envconfig.wheel_build_env)
if not hasattr(build_venv, "wheel_package"):
try:
with patch(package, "build_package", partial(wheel_build_package, venv=build_venv)):
build_venv.wheel_package, build_venv.wheel_dist = get_package(session)
except InterpreterNotFound:
if session.config.option.skip_missing_interpreters:
return None
raise
return build_venv.wheel_package
elif hasattr(session, "package"):
return session.package
def wheel_build_package(config, session, venv):
if config.isolated_build or venv.envconfig.wheel_pep517:
wheel_package = wheel_build_pep517(config, session, venv)
else:
wheel_package = wheel_build_legacy(config, session, venv)
return wheel_package
def wheel_is_allowed_external(path, venv, is_allowed_external=None):
if is_allowed_external is None:
is_allowed_external = venv.is_allowed_external
if not is_allowed_external(path):
raise RuntimeError("Couldn't find interpreter inside {} for building".format(venv))
return True
def wheel_build_legacy(config, session, venv):
setup = config.setupdir.join("setup.py")
if not setup.check():
reporter.error("No setup.py file found. The expected location is: {}".format(setup))
raise SystemExit(1)
with session.newaction(venv.name, "packaging") as action:
with patch(venv, "is_allowed_external", partial(wheel_is_allowed_external, venv=venv)):
venv.update(action=action)
if not (session.config.option.wheel_dirty or venv.envconfig.wheel_dirty):
action.setactivity("wheel-make", "cleaning up build directory ...")
ensure_empty_dir(config.setupdir.join("build"))
ensure_empty_dir(config.distdir)
venv.test(
name="wheel-make",
commands=[["python", setup, "bdist_wheel", "--dist-dir", config.distdir]],
redirect=False,
ignore_outcome=False,
ignore_errors=False,
display_hash_seed=False,
)
try:
dists = config.distdir.listdir()
except py.error.ENOENT:
# check if empty or comment only
data = []
with open(str(setup)) as fp:
for line in fp:
if line and line[0] == "#":
continue
data.append(line)
if not "".join(data).strip():
reporter.error("setup.py is empty")
raise SystemExit(1)
reporter.error(
"No dist directory found. Please check setup.py, e.g with:\n"
" python setup.py bdist_wheel"
)
raise SystemExit(1)
else:
if not dists:
reporter.error(
"No distributions found in the dist directory found. Please check setup.py, e.g with:\n"
" python setup.py bdist_wheel"
)
raise SystemExit(1)
return dists[0]
def wheel_build_pep517(config, session, venv):
pyproject = config.setupdir.join("pyproject.toml")
if not pyproject.check():
reporter.error("No pyproject.toml file found. The expected location is: {}".format(pyproject))
raise SystemExit(1)
with session.newaction(venv.name, "packaging") as action:
venv.update(action=action)
if not (session.config.option.wheel_dirty or venv.envconfig.wheel_dirty):
action.setactivity("wheel-make", "cleaning up build directory ...")
ensure_empty_dir(config.setupdir.join("build"))
ensure_empty_dir(config.distdir)
if venv.envconfig.wheel_pep517 == "build":
commands = [
"python",
"-Im",
"build",
"--outdir",
config.distdir,
config.setupdir,
]
else:
commands = [
"pip",
"wheel",
config.setupdir,
"--no-deps",
"--use-pep517",
"--wheel-dir",
config.distdir,
]
venv.test(
name="wheel-make",
commands=[commands],
redirect=False,
ignore_outcome=False,
ignore_errors=False,
display_hash_seed=False,
)
try:
# we need to filter our list of dists to include only wheels
dists = [dist for dist in config.distdir.listdir() if os.path.splitext(dist)[1] == ".whl"]
except py.error.ENOENT:
reporter.error(
"No dist directory found. Please check pyproject.toml, e.g with:\n"
" pip wheel . --use-pep517"
)
raise SystemExit(1)
else:
if not dists:
reporter.error(
"No distributions found in the dist directory found. Please check pyproject.toml, e.g with:\n"
" pip wheel . --use-pep517"
)
raise SystemExit(1)
return dists[0]