How does `setup.py sdist` work?

I'm trying to make a source distribution of my project with setup.py sdist. I already have a functioning setup.py that I can install with. But when I do the sdist, all I get is another my_project folder inside my my_project folder, a MANIFEST file I have no interest in, and a zip file which contains two text files, and not my project.

What am I doing wrong? Where is the documentation on sdist?

Update:

Here's my setup.py:

#!/usr/bin/env python

import os
from distutils.core import setup
import distutils
from general_misc import package_finder

try:
    distutils.dir_util.remove_tree('build', verbose=True)
except:
    pass

my_long_description = \
'''\
GarlicSim is a platform for writing, running and analyzing simulations. It can
handle any kind of simulation: Physics, game theory, epidemic spread,
electronics, etc.
'''

my_packages = package_finder.get_packages('', include_self=True,
                                          recursive=True)

setup(
    name='GarlicSim',
    version='0.1',
    description='A Pythonic framework for working with simulations',
    author='Ram Rachum',
    author_email='cool-rr@cool-rr.com',
    url='http://garlicsim.org',
    packages=my_packages,
    package_dir={'': '..'},
    license= "LGPL 2.1 License",
    long_description = my_long_description,

)

try:
    distutils.dir_util.remove_tree('build', verbose=True)
except:
    pass

Tarek Ziade explained this, and related software packaging tools, in this article called Writing a Package in Python.

Basically, it creates a simple package by creating a release tree where everything needed to run the package is copied. This tree is then archived in one or many archived files (often, it just creates one tar ball). The archive is basically a copy of the source tree.

the "sdist" command is for creating a "source" distribution of a package. Usually, one would combine this command with the "upload" command to distribute the package through Pypi (for example).

来源：https://stackoverflow.com/questions/1614086/how-does-setup-py-sdist-work

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python

distutils