From e46b6232546a75b31f5cf3ae8f9aa9a624344915 Mon Sep 17 00:00:00 2001
From: Justin Mayer <entroP@gmail.com>
Date: Sat, 9 Nov 2019 08:36:45 -0800
Subject: Add initial Invoke tasks.py file

---
 tasks.py | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 tasks.py

diff --git a/tasks.py b/tasks.py
new file mode 100644
index 00000000..7d9ff1d9
--- /dev/null
+++ b/tasks.py
@@ -0,0 +1,81 @@
+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/python -Wd -m unittest discover", 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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