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import os
from pathlib import Path
from shutil import which
from invoke import task
PKG_NAME = "pelican"
PKG_PATH = Path("pelican")
ACTIVE_VENV = os.environ.get("VIRTUAL_ENV", None)
VENV_HOME = Path(os.environ.get("WORKON_HOME", "~/virtualenvs"))
VENV_PATH = Path(ACTIVE_VENV) if ACTIVE_VENV else (VENV_HOME / PKG_NAME)
VENV = str(VENV_PATH.expanduser())
TOOLS = ["poetry", "pre-commit"]
POETRY = which("poetry") if which("poetry") else (VENV / Path("bin") / "poetry")
PRECOMMIT = (
which("pre-commit") if which("pre-commit") else (VENV / Path("bin") / "pre-commit")
)
@task
def tests(c):
"""Run the test suite"""
c.run(f"{VENV}/bin/pytest", pty=True)
@task
def black(c, check=False, diff=False):
"""Run Black auto-formatter, optionally with --check or --diff"""
check_flag, diff_flag = "", ""
if check:
check_flag = "--check"
if diff:
diff_flag = "--diff"
c.run(f"{VENV}/bin/black {check_flag} {diff_flag} {PKG_PATH} tasks.py")
@task
def isort(c, check=False, diff=False):
check_flag, diff_flag = "", ""
if check:
check_flag = "-c"
if diff:
diff_flag = "--diff"
c.run(
f"{VENV}/bin/isort {check_flag} {diff_flag} --recursive {PKG_PATH}/* tasks.py"
)
@task
def flake8(c):
c.run(f"{VENV}/bin/flake8 {PKG_PATH} tasks.py")
@task
def lint(c):
isort(c, check=True)
black(c, check=True)
flake8(c)
@task
def tools(c):
"""Install tools in the virtual environment if not already on PATH"""
for tool in TOOLS:
if not which(tool):
c.run(f"{VENV}/bin/pip install {tool}")
@task
def precommit(c):
"""Install pre-commit hooks to .git/hooks/pre-commit"""
c.run(f"{PRECOMMIT} install")
@task
def setup(c):
c.run(f"{VENV}/bin/pip install -U pip")
tools(c)
c.run(f"{POETRY} install")
precommit(c)
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