Re: Trouble combining namespace packages and package_dir option in setup

Paul Ganssle <[email protected]> Wed, 1 May 2019 10:48:28 -0400
Newsgroups	gmane.comp.python.distutils.devel
Message-ID	<[email protected]>
I've replied on this setuptools issue
<https://github.com/pypa/setuptools/issues/1754#issuecomment-488300730>,
you should be able to fix this by switching to pip install.

The core issue is that setup.py install is installing a `.egg` called
"namespace.foo" *directly into site-packages*

$ ls venv/lib/python3.7/site-packages/
easy-install.pth  namespace.foo-0.0.1-py3.7.egg  pip-19.1.dist-info 
__pycache__  setuptools-41.0.1.dist-info  wheel-0.33.1.dist-info
easy_install.py   pip                            pkg_resources      
setuptools   wheel

While pip correctly installs the "namespace" folder with a "foo" module
under it:

$ ls venv/lib/python3.7/site-packages/
easy_install.py  namespace.foo-0.0.1.dist-info  pip-19.1.dist-info 
__pycache__  setuptools-41.0.1.dist-info  wheel-0.33.1.dist-info
namespace        pip                            pkg_resources      
setuptools   wheel

Best,
Paul

On 5/1/19 10:24 AM, Alex Adamson wrote:
>
> Hello,
>
> I'm trying to create a package that has a namespace package inside a
> directory |src| below the root directory of the project. I was trying
> to follow the instructions laid out in the documentation here
> <https://setuptools.readthedocs.io/en/latest/setuptools.html#find-namespace-packages>,
> but could not get the example described there to work using setuptools
> 41.0.0:
>
> [adamson@home] {build-test-37} ~/test-pkg$ tree --charset unicode .
> .
> |-- setup.py
> `-- src
> `-- namespace
>         `-- mypackage
> |-- __init__.py
> `-- mod1.py
>
> 3 directories, 3 files
>
> [adamson@home] {build-test-37} ~/test-pkg$ cat setup.py 
> from setuptools import setup, find_namespace_packages
>
> setup(name="namespace.mypackage",
>       version="0.1",
>       package_dir={'': 'src'},
>       packages=find_namespace_packages(where='src'))
>
> [adamson@home] {build-test-37} ~/test-pkg$ conda list -e
> # This file may be used to create an environment using:
> # $ conda create --name <env> --file <this file>
> # platform: linux-64
> ca-certificates=2019.1.23=0
> certifi=2019.3.9=py37_0
> libedit=3.1.20181209=hc058e9b_0
> libffi=3.2.1=hd88cf55_4
> libgcc-ng=8.2.0=hdf63c60_1
> libstdcxx-ng=8.2.0=hdf63c60_1
> ncurses=6.1=he6710b0_1
> openssl=1.0.2r=h7b6447c_0
> pip=19.1=py37_0
> python=3.7.0=h6e4f718_3
> readline=7.0=h7b6447c_5
> setuptools=41.0.0=py37_0
> sqlite=3.28.0=h7b6447c_0
> tk=8.6.8=hbc83047_0
> wheel=0.33.1=py37_0
> xz=5.2.4=h14c3975_4
> zlib=1.2.11=h7b6447c_3
>
> [adamson@home] {build-test-37} ~/test-pkg$ python setup.py install --record files.txt
> running install
> running bdist_egg
> running egg_info
> creating src/namespace.mypackage.egg-info
> writing src/namespace.mypackage.egg-info/PKG-INFO
> writing dependency_links to src/namespace.mypackage.egg-info/dependency_links.txt
> writing top-level names to src/namespace.mypackage.egg-info/top_level.txt
> writing manifest file 'src/namespace.mypackage.egg-info/SOURCES.txt'
> package init file 'src/namespace/__init__.py' not found (or not a regular file)
> reading manifest file 'src/namespace.mypackage.egg-info/SOURCES.txt'
> writing manifest file 'src/namespace.mypackage.egg-info/SOURCES.txt'
> installing library code to build/bdist.linux-x86_64/egg
> running install_lib
> running build_py
> creating build
> creating build/lib
> creating build/lib/namespace
> creating build/lib/namespace/mypackage
> copying src/namespace/mypackage/mod1.py -> build/lib/namespace/mypackage
> copying src/namespace/mypackage/__init__.py -> build/lib/namespace/mypackage
> creating build/bdist.linux-x86_64
> creating build/bdist.linux-x86_64/egg
> creating build/bdist.linux-x86_64/egg/namespace
> creating build/bdist.linux-x86_64/egg/namespace/mypackage
> copying build/lib/namespace/mypackage/mod1.py -> build/bdist.linux-x86_64/egg/namespace/mypackage
> copying build/lib/namespace/mypackage/__init__.py -> build/bdist.linux-x86_64/egg/namespace/mypackage
> byte-compiling build/bdist.linux-x86_64/egg/namespace/mypackage/mod1.py to mod1.cpython-37.pyc
> byte-compiling build/bdist.linux-x86_64/egg/namespace/mypackage/__init__.py to __init__.cpython-37.pyc
> creating build/bdist.linux-x86_64/egg/EGG-INFO
> copying src/namespace.mypackage.egg-info/PKG-INFO -> build/bdist.linux-x86_64/egg/EGG-INFO
> copying src/namespace.mypackage.egg-info/SOURCES.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
> copying src/namespace.mypackage.egg-info/dependency_links.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
> copying src/namespace.mypackage.egg-info/top_level.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
> zip_safe flag not set; analyzing archive contents...
> creating dist
> creating 'dist/namespace.mypackage-0.1-py3.7.egg' and adding 'build/bdist.linux-x86_64/egg' to it
> removing 'build/bdist.linux-x86_64/egg' (and everything under it)
> Processing namespace.mypackage-0.1-py3.7.egg
> Copying namespace.mypackage-0.1-py3.7.egg to /nas/dft/ire/adamson/.conda/envs/build-test-37/lib/python3.7/site-packages
> Adding namespace.mypackage 0.1 to easy-install.pth file
>
> Installed /nas/dft/ire/adamson/.conda/envs/build-test-37/lib/python3.7/site-packages/namespace.mypackage-0.1-py3.7.egg
> Processing dependencies for namespace.mypackage==0.1
> Finished processing dependencies for namespace.mypackage==0.1
> writing list of installed files to 'files.txt'
>
> [adamson@home] {build-test-37} ~/test-pkg$ python -c 'import namespace.mypackage'
> Traceback (most recent call last):
>   File "<string>", line 1, in <module>
> ModuleNotFoundError: No module named 'namespace'
>
> Is there a known issue preventing |package_dir| to work with namespace
> packages? Is there a known good version of setuptools that I could use
> to package/install a project using a namespace package
> and |package_dir|? Thank you!
>
>
> - Alex
>
>
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