ci/bootstrap.py
#!/usr/bin/env python
import os
import pathlib
import subprocess
import sys
base_path: pathlib.Path = pathlib.Path(__file__).resolve().parent.parent
templates_path = base_path / "ci" / "templates"
def check_call(args):
print("+", *args)
subprocess.check_call(args)
def exec_in_env():
env_path = base_path / ".tox" / "bootstrap"
if sys.platform == "win32":
bin_path = env_path / "Scripts"
else:
bin_path = env_path / "bin"
if not env_path.exists():
import subprocess
print(f"Making bootstrap env in: {env_path} ...")
try:
check_call([sys.executable, "-m", "venv", env_path])
except subprocess.CalledProcessError:
try:
check_call([sys.executable, "-m", "virtualenv", env_path])
except subprocess.CalledProcessError:
check_call(["virtualenv", env_path])
print("Installing `jinja2` into bootstrap environment...")
check_call([bin_path / "pip", "install", "jinja2", "tox"])
python_executable = bin_path / "python"
if not python_executable.exists():
python_executable = python_executable.with_suffix(".exe")
print(f"Re-executing with: {python_executable}")
print("+ exec", python_executable, __file__, "--no-env")
os.execv(python_executable, [python_executable, __file__, "--no-env"])
def main():
import jinja2
print(f"Project path: {base_path}")
jinja = jinja2.Environment(
loader=jinja2.FileSystemLoader(str(templates_path)),
trim_blocks=True,
lstrip_blocks=True,
keep_trailing_newline=True,
)
tox_environments = [
line.strip()
# 'tox' need not be installed globally, but must be importable
# by the Python that is running this script.
# This uses sys.executable the same way that the call in
# cookiecutter-pylibrary/hooks/post_gen_project.py
# invokes this bootstrap.py itself.
for line in subprocess.check_output([sys.executable, "-m", "tox", "--listenvs"], universal_newlines=True).splitlines()
]
tox_environments = [line for line in tox_environments if line.startswith("py")]
for template in templates_path.rglob("*"):
if template.is_file():
template_path = template.relative_to(templates_path).as_posix()
destination = base_path / template_path
destination.parent.mkdir(parents=True, exist_ok=True)
destination.write_text(jinja.get_template(template_path).render(tox_environments=tox_environments))
print(f"Wrote {template_path}")
print("DONE.")
if __name__ == "__main__":
args = sys.argv[1:]
if args == ["--no-env"]:
main()
elif not args:
exec_in_env()
else:
print(f"Unexpected arguments: {args}", file=sys.stderr)
sys.exit(1)