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Invoke is a Python (2.6+ and 3.2+) task execution tool & library, drawing
inspiration from various sources to arrive at a powerful & clean feature set.
* Like Ruby's Rake tool and Invoke's own predecessor Fabric 1.x, it provides a
clean, high level API for running shell commands and defining/organizing
task functions from a ``tasks.py`` file:
.. code-block:: python
from invoke import run, task
@task
def clean(docs=False, bytecode=False, extra=''):
patterns = ['build']
if docs:
patterns.append('docs/_build')
if bytecode:
patterns.append('**/*.pyc')
if extra:
patterns.append(extra)
for pattern in patterns:
run("rm -rf %s" % pattern)
@task
def build(docs=False):
run("python setup.py build")
if docs:
run("sphinx-build docs docs/_build")
* From GNU Make, it inherits an emphasis on minimal boilerplate for common
patterns and the ability to run multiple tasks in a single invocation::
$ invoke clean build
* Following the lead of most Unix CLI applications, it offers a traditional
flag-based style of command-line parsing, deriving flag names and value types
from task signatures (optionally, of course!)::
$ invoke clean --docs --bytecode build --docs --extra='**/*.pyo'
$ invoke clean -d -b build --docs -e '**/*.pyo'
$ invoke clean -db build -de '**/*.pyo'
* Like many of its predecessors, it offers advanced features as well --
namespacing, task aliasing, before/after hooks, parallel execution and more.
For documentation, including detailed installation information, please see
http://pyinvoke.org. Post-install usage information may be found in ``invoke
--help``.
You can install the `development version
<https://github.com/pyinvoke/invoke/tarball/master#egg=invoke-dev>`_ via ``pip
install invoke==dev --allow-unverified invoke``.
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