bash script to reproduce https://github.com/pypa/pip/issues/3

repro-3.sh

#!/usr/bin/bash

# Reproduce namespace / editable install problem with pip
# https://github.com/pypa/pip/issues/3

# cleanup from previous invocations
foos=('foo-main' 'foo-client' 'foo-env')
rm -rf -- "${foos[@]}"


echo "Creating foo package..."
mkdir -p foo-main/foo

echo "__import__('pkg_resources').declare_namespace('foo')" > foo-main/foo/__init__.py

echo "
def thing():
    return 'hello!'
" > foo-main/foo/run.py

echo "
from setuptools import setup, find_packages

setup(name='foo',
    version='0.1.0',
    author='PyPA',
    author_email='[email protected]',
    url='https://github.com/pypa',
    license='MIT',
    packages=find_packages(),
    namespace_packages=['foo'],
    zip_safe=False,
)
" > foo-main/setup.py

echo "Creating foo.client package..."
mkdir -p foo-client/foo/client

echo "__import__('pkg_resources').declare_namespace('foo')" > foo-client/foo/__init__.py
touch foo-client/foo/client/__init__.py

echo "
from foo.run import thing

def test():

    print(thing())
" > foo-client/foo/client/bar.py

echo "
from setuptools import setup, find_packages

setup(name='foo.client',
    version='0.1.0',
    author='PyPA',
    author_email='[email protected]',
    url='https://github.com/pypa',
    license='MIT',
    packages=find_packages(),
    namespace_packages=['foo'],
    zip_safe=False,
)
" > foo-client/setup.py

echo "Creating virtualenv test environment..."
virtualenv -ppython2 foo-env
echo "Installing foo with pip normally..."
foo-env/bin/pip install ./foo-main/
echo "Installing foo.client with pip in development..."
foo-env/bin/pip install -e ./foo-client/
echo "running 'from foo.client import bar; bar.test()'..."
foo-env/bin/python -c "from foo.client import bar; bar.test()"