def prepare_release(session: nox.Session) -> None:
version = release.get_version_from_arguments(session)
if not version:
session.error("Usage: nox -s prepare-release -- <version>")
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")
def do_release(session: nox.Session) -> None:
"""Do a release to PyPI."""
# TODO: maybe add version validation
if modified_files_in_git() or modified_files_in_git("--staged"):
session.error(
"Repository not clean, please remove, unstage, or commit your changes"
)
if not len(session.posargs):
session.error("Usage: nox -s publish -- <version> [publish-args]")
else:
version = session.posargs[0]
update_version(session, version, MAIN_MODULE)
update_changelog(session, version, CHANGELOG)
commit_files(session, [MAIN_MODULE, CHANGELOG],
message=f"Prepare for release {version}")
create_git_tag(session, version, message=f"Release {version}")
with isolated_temporary_checkout(session) as workdir:
session.chdir(workdir)
session.install("flit")
session.run("flit", "publish", *session.posargs[1:])
session.chdir(THIS_DIR)
update_version(session, next_development_version(version), MAIN_MODULE)
update_changelog(session, "<unreleased>", CHANGELOG)
commit_files(session, [MAIN_MODULE, CHANGELOG],
message="Let's get back to development")
session.log(
"Alright, just do a push to GitHub and everything should be done")
session.log("If you're paranoid, go ahead, verify that things are fine")
session.log("If not, sit back and relax, you just did a release 🎉")
def build_release(session: nox.Session) -> None:
version = release.get_version_from_arguments(session)
if not version:
session.error("Usage: nox -s build-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. "
"You can use `git clean -fxdi -- dist` command to do this")
session.log("# Install dependencies")
session.install("setuptools", "wheel", "twine")
with release.isolated_temporary_checkout(session, version) as build_dir:
session.log(
"# Start the build in an isolated, "
f"temporary Git checkout at {build_dir!s}", )
with release.workdir(session, build_dir):
tmp_dists = build_dists(session)
tmp_dist_paths = (build_dir / p for p in tmp_dists)
session.log(f"# Copying dists from {build_dir}")
os.makedirs("dist", exist_ok=True)
for dist, final in zip(tmp_dist_paths, tmp_dists):
session.log(f"# Copying {dist} to {final}")
shutil.copy(dist, final)
def update_changelog(session: nox.Session, version: str,
filepath: Path) -> None:
"""Update the changelog for both a new release and development."""
with open(filepath, encoding="utf-8") as f:
lines = f.read().splitlines()
if version != "<unreleased>":
for index, line in enumerate(lines):
if line == "## Unreleased":
# Let's replace that unreleased text with the actual version
# and fix up that date of release.
lines[index] = f"## {version}"
lines[index + 2] = f"Date of release: {get_today_date()}"
break
else:
session.error("Couldn't find changelog section for next release")
else:
# Grab the title and newline right after it
updated_lines = [*lines[0:2]]
# ... then add some boilerplace
updated_lines.append("## Unreleased\n")
updated_lines.append("Date of release: *n/a*\n")
updated_lines.append("**Bugfixes & enhancements**:\n")
updated_lines.append("- *so far it's looking like a desert*\n")
# and finally add back the rest of the changelog.
updated_lines.extend(lines[2:])
lines = updated_lines
with open(filepath, "w", encoding="utf-8") as f:
f.write("\n".join(lines))
f.write("\n")
def dev_test_sim(
session: nox.Session,
sim: Optional[str],
toplevel_lang: Optional[str],
gpi_interface: Optional[str],
) -> None:
"""Test a development version of cocotb against a simulator."""
session.env["CFLAGS"] = "-Werror -Wno-deprecated-declarations -g --coverage"
session.env["COCOTB_LIBRARY_COVERAGE"] = "1"
session.env["CXXFLAGS"] = "-Werror"
session.env["LDFLAGS"] = "--coverage"
session.install(*test_deps, *coverage_deps)
session.install("-e", ".")
env = env_vars_for_test(sim, toplevel_lang, gpi_interface)
config_str = stringify_dict(env)
# Remove a potentially existing coverage file from a previous run for the
# same test configuration.
coverage_file = Path(f".coverage.test.sim-{sim}-{toplevel_lang}-{gpi_interface}")
with suppress(FileNotFoundError):
coverage_file.unlink()
session.log(f"Running 'make test' against a simulator {config_str}")
session.run("make", "test", external=True, env=env)
session.log(f"Running simulator-specific tests against a simulator {config_str}")
session.run(
"pytest",
"-v",
"--cov=cocotb",
"--cov-branch",
# Don't display coverage report here
"--cov-report=",
"-k",
"simulator_required",
)
Path(".coverage").rename(".coverage.pytest")
session.log(f"All tests passed with configuration {config_str}!")
# Combine coverage produced during the test runs, and place it in a file
# with a name specific to this invocation of dev_test_sim().
coverage_files = glob.glob("**/.coverage.cocotb", recursive=True)
if not coverage_files:
session.error(
"No coverage files found. Something went wrong during the test execution."
)
coverage_files.append(".coverage.pytest")
session.run("coverage", "combine", "--append", *coverage_files)
Path(".coverage").rename(coverage_file)
session.log(f"Stored Python coverage for this test run in {coverage_file}.")
# Combine coverage from all nox sessions as last step after all sessions
# have completed.
session.notify("dev_coverage_combine")
def vendoring(session: nox.Session) -> None:
session.install("vendoring>=0.3.0")
if "--upgrade" not in session.posargs:
session.run("vendoring", "sync", ".", "-v")
return
def pinned_requirements(path):
# type: (Path) -> Iterator[Tuple[str, str]]
for line in path.read_text().splitlines(keepends=False):
one, sep, two = line.partition("==")
if not sep:
continue
name = one.strip()
version = two.split("#", 1)[0].strip()
if name and version:
yield name, version
vendor_txt = Path("src/pip/_vendor/vendor.txt")
for name, old_version in pinned_requirements(vendor_txt):
if name == "setuptools":
continue
# update requirements.txt
session.run("vendoring", "update", ".", name)
# get the updated version
new_version = old_version
for inner_name, inner_version in pinned_requirements(vendor_txt):
if inner_name == name:
# this is a dedicated assignment, to make flake8 happy
new_version = inner_version
break
else:
session.error(f"Could not find {name} in {vendor_txt}")
# check if the version changed.
if new_version == old_version:
continue # no change, nothing more to do here.
# synchronize the contents
session.run("vendoring", "sync", ".")
# Determine the correct message
message = f"Upgrade {name} to {new_version}"
# Write our news fragment
news_file = Path("news") / (name + ".vendor.rst")
news_file.write_text(message + "\n") # "\n" appeases end-of-line-fixer
# Commit the changes
release.commit_file(session, ".", message=message)
def docs(session: nox.Session) -> None:
"""
Build the docs.
"""
session.install("-e", ".[docs]")
if session.posargs:
if "serve" in session.posargs:
session.run("mkdocs", "serve")
else:
session.error("Unrecognized args, use 'serve'")
else:
session.run("mkdocs", "build")
def update_version(session: nox.Session, version: str, filepath: Path) -> None:
with open(filepath, encoding="utf-8") as f:
lines = f.read().splitlines()
for index, line in enumerate(lines):
if line.startswith("__version__"):
lines[index] = f'__version__ = "{version}"'
break
else:
session.error("Couldn't find __version__ in {filepath}")
with open(filepath, "w", encoding="utf-8") as f:
f.write("\n".join(lines))
f.write("\n")
def enforce_branch_no_changes(session: nox.Session) -> None:
"""
Errors out the current session if we're not on
default branch or if there are uncommitted changes.
"""
if has_changes():
session.error("All changes must be committed or removed before release")
branch = get_branch()
if branch != DEFAULT_BRANCH:
session.error(
f"Must be on {DEFAULT_BRANCH!r} branch. Currently on {branch!r} branch"
)
def dev(session: nox.Session) -> None:
"""
Sets up a python dev environment for the project if one doesn't already exist.
This session will:
- Create a python virtualenv for the session
- Install the `virtualenv` cli tool into this environment
- Use `virtualenv` to create a global project virtual environment
- Invoke the python interpreter from the global project environment to install
the project and all it's development dependencies.
"""
# Check if dev has been run before
# this prevents manual running nox -s dev more than once
# thus potentially corrupting an environment
if VENV_DIR.exists():
session.error(
"There is already a virtual environment deactivate and remove it "
"before running 'dev' again"
)
# Create the project virtual environment using virtualenv
# installed into this sessions virtual environment
# confusing but it works!
session.install("virtualenv")
session.run("virtualenv", os.fsdecode(VENV_DIR), silent=True)
# Use the venv's interpreter to install the project along with
# all it's dev dependencies, this ensure it's installed
# in the right way
session.run(
PYTHON,
"-m",
"pip",
"install",
"--upgrade",
"pip",
"setuptools",
"wheel",
silent=True,
external=True,
)
session.run(PYTHON, "-m", "pip", "install", "-e", ".[dev]", external=True)
if bool(shutil.which("code")) or bool(shutil.which("code-insiders")):
# Only do this is user has VSCode installed
set_up_vscode(session)
def release(session: nox.Session) -> None:
"""
Kicks off the automated release process by creating and pushing a new tag.
Invokes bump2version with the posarg setting the version.
Usage:
$ nox -s release -- [major|minor|patch]
"""
enforce_branch_no_changes(session)
parser = argparse.ArgumentParser(
description="Release a new semantic version.")
parser.add_argument(
"version",
type=str,
nargs=1,
help="The type of semver release to make.",
choices={"major", "minor", "patch"},
)
args: argparse.Namespace = parser.parse_args(args=session.posargs)
version: str = args.version.pop()
# If we get here, we should be good to go
# Let's do a final check for safety
confirm = input(
f"You are about to bump the {version!r} version. Are you sure? [y/n]: "
)
# Abort on anything other than 'y'
if confirm.lower().strip() != "y":
session.error(
f"You said no when prompted to bump the {version!r} version.")
update_seeds(session)
session.install("bump2version")
session.log(f"Bumping the {version!r} version")
session.run("bump2version", version)
session.log("Pushing the new tag")
session.run("git", "push", external=True)
session.run("git", "push", "--tags", external=True)
def docs(session: nox.Session) -> None:
"""
Build the docs. Pass "serve" to serve.
"""
session.chdir("docs")
session.install("-r", "requirements.txt")
session.run("sphinx-build", "-M", "html", ".", "_build")
if session.posargs:
if "serve" in session.posargs:
session.log(
"Launching docs at http://localhost:8000/ - use Ctrl-C to quit"
)
session.run("python", "-m", "http.server", "8000", "-d",
"_build/html")
else:
session.error("Unsupported argument to docs")
def upload_release(session: nox.Session) -> None:
version = release.get_version_from_arguments(session)
if not version:
session.error("Usage: nox -s upload-release -- YY.N[.P]")
session.log("# Install dependencies")
session.install("twine")
distribution_files = glob.glob("dist/*")
session.log(f"# Distribution files: {distribution_files}")
# Sanity check: Make sure there's 2 distribution files.
count = len(distribution_files)
if count != 2:
session.error(
f"Expected 2 distribution files for upload, got {count}. "
f"Remove dist/ and run 'nox -s build-release -- {version}'")
# Sanity check: Make sure the files are correctly named.
distfile_names = (os.path.basename(fn) for fn in distribution_files)
expected_distribution_files = [
f"pip-{version}-py3-none-any.whl",
f"pip-{version}.tar.gz",
]
if sorted(distfile_names) != sorted(expected_distribution_files):
session.error(
f"Distribution files do not seem to be for {version} release.")
session.log("# Upload distributions")
session.run("twine", "upload", *distribution_files)
def build_dists(session: nox.Session) -> List[str]:
"""Return dists with valid metadata."""
session.log(
"# Check if there's any Git-untracked files before building the wheel",
)
has_forbidden_git_untracked_files = any(
# Don't report the environment this session is running in
not untracked_file.startswith(".nox/build-release/")
for untracked_file in release.get_git_untracked_files())
if has_forbidden_git_untracked_files:
session.error(
"There are untracked files in the working directory. "
"Remove them and try again", )
session.log("# Build distributions")
session.run("python", "setup.py", "sdist", "bdist_wheel", silent=True)
produced_dists = glob.glob("dist/*")
session.log(f"# Verify distributions: {', '.join(produced_dists)}")
session.run("twine", "check", *produced_dists, silent=True)
return produced_dists
def release(session: nox.Session) -> None:
"""
Kicks off the automated release process by creating and pushing a new tag.
Invokes bump2version with the posarg setting the version.
Usage:
$ nox -s release -- [major|minor|patch]
"""
# Little known Nox fact: Passing silent=True captures the output
status = session.run(
"git", "status", "--porcelain", silent=True, external=True
).strip()
if len(status) > 1:
session.error("All changes must be committed or removed before release")
branch = session.run(
"git", "rev-parse", "--abbrev-ref", "HEAD", silent=True, external=True
).strip()
if branch != DEFAULT_BRANCH:
session.error(
f"Must be on {DEFAULT_BRANCH!r} branch. Currently on {branch!r} branch"
)
parser = argparse.ArgumentParser(description="Release a new semantic version.")
parser.add_argument(
"version",
type=str,
nargs=1,
help="The type of semver release to make.",
choices={"major", "minor", "patch"},
)
args: argparse.Namespace = parser.parse_args(args=session.posargs)
version: str = args.version.pop()
# If we get here, we should be good to go
# Let's do a final check for safety
confirm = input(
f"You are about to bump the {version!r} version. Are you sure? [y/n]: "
)
# Abort on anything other than 'y'
if confirm.lower().strip() != "y":
session.error(f"You said no when prompted to bump the {version!r} version.")
session.install("--upgrade", "pip", "setuptools", "wheel")
session.install("bump2version")
session.log(f"Bumping the {version!r} version")
session.run("bump2version", version)
session.log("Pushing the new tag")
session.run("git", "push", external=True)
session.run("git", "push", "--tags", external=True)
def release(session: nox.Session) -> None:
"""
Kicks off the automated release process by creating and pushing a new tag.
Invokes bump2version with the posarg setting the version.
Usage:
$ nox -s release -- [major|minor|patch]
"""
enforce_branch_no_changes(session)
allowed_args: Set[str] = {"major", "minor", "patch"}
n_args: int = len(session.posargs)
if n_args != 1:
session.error(
f"Only 1 session arg allowed, got {n_args}. Pass one of: {allowed_args}"
)
# If we get here, we know there's only 1 posarg
version = session.posargs.pop()
if version not in allowed_args:
session.error(
f"Invalid argument: got {version!r}, expected one of: {allowed_args}"
)
# If we get here, we should be good to go
# Let's do a final check for safety
confirm = input(
f"You are about to bump the {version!r} version. Are you sure? [y/n]: "
)
# Abort on anything other than 'y'
if confirm.lower().strip() != "y":
session.error(
f"You said no when prompted to bump the {version!r} version.")
update_seeds(session)
session.install("bump2version")
session.log(f"Bumping the {version!r} version")
session.run("bump2version", version)
session.log("Pushing the new tag")
session.run("git", "push", external=True)
session.run("git", "push", "--tags", external=True)
def find_session_runner(session: nox.Session, name: str):
"""Helper function to find parameterized action by name"""
for s, _ in session._runner.manifest.list_all_sessions():
if name in s.signatures:
return s
session.error(f"Could not find a nox session by the name {name!r}")
