mkcode is a system for performing make-style development tasks. It provides execution of dependencies, a console script for calling tasks, and automatic discovery of the distutils commands found in setup.py. It does not provide tools for compiled languages or complex nested builds (look to SCons or zc.buildout for those).
Tasks are defined as plain python functions, decorated with a special @task decorator. The name of the function becomes the name of the task, and that task may be called from the command-line via the mk script.
A file in the project’s root directory named mkfile.py contains all of the task definitions. The mk script, when invoked, imports the tasks.
Here is an example mkfile.py:
from mkcode import *
@task
def clean():
""" Clean out all .pyc files in sub-directories """
# This is *great* for getting rid of those stale .pyc files
# that cause mysterious test failures.
for pyc in path().relpath().walkfiles('*pyc'):
print 'Removing:', pyc
pyc.remove()
setup = namespace('setup') # the distutils commands from 'setup.py'
# re-define the 'test' target
task('test', [clean, setup.test])
Here is how you run our new test target:
$ mk test
We can still run the original setuptools test target using the setup namepace:
$ mk setup.test
Please see mkfile.py in the distribution’s base directory for more task examples.
Namespaces
Tasks may belong to namespaces. Namespace tasks are called by joining the namespace and task name with a dot, as if you were referencing a Python object attribute:
# call the 'bar' task in the 'foo' namespace $ mk foo.bar
Please see Jeff Shell’s post for examples of how namespaces are defined and populated.
Setuptools Integration
All of the commands exported by setuptools are available in the setup namespace. However, setuptools’ commands may also be called from the root namespace - invoking them does not require the command to be prefixed with setup. Therefore the following three commands are equivalent:
$ mk develop $ mk setup.develop $ python setup.py develop
Other Notes
Extra command-line parameters are passed through to their targets. The following two commands are equivalent:
$ mk rotate --help $ python setup.py rotate --help
The mk script takes a number of command-line switches, notably -T, which lists all of the registered tasks, -n, which runs a task and its dependencies without executing them, and -f, which allows you to specify an alternative mkfile.
Known Issues
The program fails on vanilla setup.py files that define their own commands. The Python Imaging Library, PIL, is one example of this.
The mk develop command can choke upon first invocation when there is a new package version. In the meantime one can fall back to the setuptools method.
Acknowledgments
This program was heavily inspired by Jeff Shell’s in-house build system. The example targets Jeff provided should work in this system with little modification.
Path support is greatly enhanced by Jason Orendorff’s excellent path module. I highly recommend it for all of your Python work.
1 maintainer
Release files for mkcode 0.2
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Source distributions (sdists)
| File | Size | Uploaded | |
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| mkcode-0.2.zip | 27.1 kB | Details | |
| mkcode-0.2.tar.gz | 20.5 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| mkcode-0.2-py2.4.egg | Legacy Egg format | - | - | Details |
Total release size:90.5 kB
Release files / mkcode-0.2.zip
| Download URL | mkcode-0.2.zip |
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| Tags | Source |
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Release files / mkcode-0.2.tar.gz
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| Tags | Source |
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Release files / mkcode-0.2-py2.4.egg
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| Size | 42.9 kB |
| Tags | Egg |
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