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"""Automation using nox.
"""
# The following comment should be removed at some point in the future.
# mypy: disallow-untyped-defs=False
import glob
import os
import shutil
import sys
import nox
sys.path.append(".")
from tools.automation import release # isort:skip # noqa
sys.path.pop()
nox.options.reuse_existing_virtualenvs = True
nox.options.sessions = ["lint"]
LOCATIONS = {
"common-wheels": "tests/data/common_wheels",
"protected-pip": "tools/tox_pip.py",
}
REQUIREMENTS = {
"tests": "tools/requirements/tests.txt",
"common-wheels": "tools/requirements/tests-common_wheels.txt",
}
AUTHORS_FILE = "AUTHORS.txt"
VERSION_FILE = "src/pip/__init__.py"
def run_with_protected_pip(session, *arguments):
"""Do a session.run("pip", *arguments), using a "protected" pip.
This invokes a wrapper script, that forwards calls to original virtualenv
(stable) version, and not the code being tested. This ensures pip being
used is not the code being tested.
"""
env = {"VIRTUAL_ENV": session.virtualenv.location}
command = ("python", LOCATIONS["protected-pip"]) + arguments
kwargs = {"env": env, "silent": True}
session.run(*command, **kwargs)
def should_update_common_wheels():
# If the cache hasn't been created, create it.
if not os.path.exists(LOCATIONS["common-wheels"]):
return True
# If the requirements was updated after cache, we'll repopulate it.
cache_last_populated_at = os.path.getmtime(LOCATIONS["common-wheels"])
requirements_updated_at = os.path.getmtime(REQUIREMENTS["common-wheels"])
need_to_repopulate = requirements_updated_at > cache_last_populated_at
# Clear the stale cache.
if need_to_repopulate:
shutil.rmtree(LOCATIONS["common-wheels"], ignore_errors=True)
return need_to_repopulate
# -----------------------------------------------------------------------------
# Development Commands
# These are currently prototypes to evaluate whether we want to switch over
# completely to nox for all our automation. Contributors should prefer using
# `tox -e ...` until this note is removed.
# -----------------------------------------------------------------------------
@nox.session(python=["2.7", "3.5", "3.6", "3.7", "3.8", "pypy", "pypy3"])
def test(session):
# Get the common wheels.
if should_update_common_wheels():
run_with_protected_pip(
session,
"wheel",
"-w", LOCATIONS["common-wheels"],
"-r", REQUIREMENTS["common-wheels"],
)
else:
msg = (
"Re-using existing common-wheels at {}."
.format(LOCATIONS["common-wheels"])
)
session.log(msg)
# Build source distribution
sdist_dir = os.path.join(session.virtualenv.location, "sdist")
if os.path.exists(sdist_dir):
shutil.rmtree(sdist_dir, ignore_errors=True)
session.run(
"python", "setup.py", "sdist",
"--formats=zip", "--dist-dir", sdist_dir,
silent=True,
)
generated_files = os.listdir(sdist_dir)
assert len(generated_files) == 1
generated_sdist = os.path.join(sdist_dir, generated_files[0])
# Install source distribution
run_with_protected_pip(session, "install", generated_sdist)
# Install test dependencies
run_with_protected_pip(session, "install", "-r", REQUIREMENTS["tests"])
# Parallelize tests as much as possible, by default.
arguments = session.posargs or ["-n", "auto"]
# Run the tests
# LC_CTYPE is set to get UTF-8 output inside of the subprocesses that our
# tests use.
session.run("pytest", *arguments, env={"LC_CTYPE": "en_US.UTF-8"})
@nox.session
def docs(session):
session.install(".")
session.install("-r", REQUIREMENTS["docs"])
def get_sphinx_build_command(kind):
# Having the conf.py in the docs/html is weird but needed because we
# can not use a different configuration directory vs source directory
# on RTD currently. So, we'll pass "-c docs/html" here.
# See https://github.com/rtfd/readthedocs.org/issues/1543.
return [
"sphinx-build",
"-W",
"-c", "docs/html", # see note above
"-d", "docs/build/doctrees/" + kind,
"-b", kind,
"docs/" + kind,
"docs/build/" + kind,
]
session.run(*get_sphinx_build_command("html"))
session.run(*get_sphinx_build_command("man"))
@nox.session
def lint(session):
session.install("pre-commit")
if session.posargs:
args = session.posargs + ["--all-files"]
else:
args = ["--all-files", "--show-diff-on-failure"]
session.run("pre-commit", "run", *args)
# -----------------------------------------------------------------------------
# Release Commands
# -----------------------------------------------------------------------------
@nox.session(name="prepare-release")
def prepare_release(session):
version = release.get_version_from_arguments(session.posargs)
if not version:
session.error("Usage: nox -s prepare-release -- YY.N[.P]")
session.log("# Ensure nothing is staged")
if release.modified_files_in_git("--staged"):
session.error("There are files staged in git")
session.log(f"# Updating {AUTHORS_FILE}")
release.generate_authors(AUTHORS_FILE)
if release.modified_files_in_git():
release.commit_file(
session, AUTHORS_FILE, message=f"Update {AUTHORS_FILE}",
)
else:
session.log(f"# No changes to {AUTHORS_FILE}")
session.log("# Generating NEWS")
release.generate_news(session, version)
session.log(f"# Bumping for release {version}")
release.update_version_file(version, VERSION_FILE)
release.commit_file(session, VERSION_FILE, message="Bump for release")
session.log("# Tagging release")
release.create_git_tag(session, version, message=f"Release {version}")
session.log("# Bumping for development")
next_dev_version = release.get_next_development_version(version)
release.update_version_file(next_dev_version, VERSION_FILE)
release.commit_file(session, VERSION_FILE, message="Bump for development")
@nox.session(name="build-release")
def build_release(session):
version = release.get_version_from_arguments(session.posargs)
if not version:
session.error("Usage: nox -s upload-release -- YY.N[.P]")
session.log("# Ensure no files in dist/")
if release.have_files_in_folder("dist"):
session.error("There are files in dist/. Remove them and try again")
session.log("# Install dependencies")
session.install("setuptools", "wheel", "twine")
session.log("# Checkout the tag")
session.run("git", "checkout", version, external=True, silent=True)
session.log("# Build distributions")
session.run("python", "setup.py", "sdist", "bdist_wheel", silent=True)
session.log("# Verify distributions")
session.run("twine", "check", *glob.glob("dist/*"), silent=True)
session.log("# Checkout the master branch")
session.run("git", "checkout", "master", external=True, silent=True)
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