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Questions tagged [python-packaging]

Packages are namespaces which contain multiple packages and modules themselves.

A package is a directory containing a special file called __init__.py (which indicated that the directory contains a python package) and sub-packages and modules. The package name is determined by the name of the directory.

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Should I be using only pyproject.toml?

Should I be using only pyproject.toml or use it with setup.py and setup.cfg? Or perhaps some other combination of them. I can't find any definitive answer to this question so I'd be pleased if someone could enlighten the matter.
paavoto
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how to prevent Poetry to consider .gitignore

I am working on a python project which uses pythonnet with several C# dll's as dependencies. As I do not want to push the dll's to the git repository I adapted the .gitignore file. However, now Poetry does not include the dll's into the python…
jodá
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How to build an sdist with pip?

I'm in the process of converting my projects to use flit as their build backend using pyroject.toml as defined in PEP517. I still have some projects that will continue to use setuptools as their build backend. Some projects may not be PEP 517…
Brendan Abel
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How can I use relative importing in Python3 with an if __name__='__main__' block?

I am making a package, and the modules within this package have code inside if __name__=='__main__': blocks for testing purposes. But my attempts to use relative imports in these modules causes errors. I have read this thread and the billion…
pyjamas
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Packaging Python dependencies in subdirectory for AWS Lambda

I came across an article on serverlesscode.com about building Python 3 apps for AWS Lambda that recommends using pip (or pip3) to install dependencies in a /vendored subdirectory. I like this idea as it keeps the file structure clean, but I'm having…
Harry
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How do you recursively get all submodules in a python package?

Problem I have a folder structure like this: - modules - root - abc hello.py __init__.py - xyz hi.py __init__.py blah.py __init__.py foo.py bar.py …
Vivek Joshy
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Correct use of PEP 508 environment markers in setup.cfg

I am trying to make use of PEP 496 -- Environment Markers and PEP 508 -- Dependency specification for Python Software Packages by specifying dependencies that only make sense on specific OS. My setup.py looks like this: import setuptools assert…
toriningen
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How should I handle importing third-party libraries within my setup.py script?

I'm developing a Python application and in the process of branching off a release. I've got a PyPI server set up on a company server and I've copied a source distribution of my package onto it. I checked that the package was being hosted on the…
Tagc
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How do I add cv2 as a requirement in a python package?

I'm trying to make my own package which uses OpenCV Python module cv2. However when using PyCharm, it warns that the Package requirement is not satisfied. I suspect this is because I used the recommended method of copy/pasting cv2.pyd into my…
Bill
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Difference between devpi and pypi server

Had a quick question here, I am used to devpi and was wondering what is the difference between devpi and pypi server? Is one better than another? Which of this one scale better?
wodash
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How to import a module but ignoring the package's __init__.py?

I'm trying to import a function which is in a module inside a package in Python, but when I try: from package.module import some_function Python executes the package's __init__.py but it can't happen. Is there a way to import the function telling…
Flávio J Vieira Caetano
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Specifying test dependencies in pyproject.toml and getting them installed with pip install -e

I have a Python project with a pyproject.toml similar to the one below. I use python build to generate an package I use to install in production environments. For development environments, I use pip install -e . I'm trying to figure out how to make…
devnectar
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pip installing environment.yml as if it's a requirements.txt

I have an environment.yml file, but don't want to use Conda: name: foo channels: - defaults dependencies: - matplotlib=2.2.2 Is it possible to have pip install the dependencies inside an environment.yml file as if it's a requirements.txt…
Intrastellar Explorer
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Twine is defaulting "long_description_content_type" to text/x-rst

Heres is my setup setup( name="`...", version="...", description=..., long_description_content_type="text/markdown", long_description=README, author="...", classifiers=[...], packages=["..."], …
ElLoko 233
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Getting Python package distribution version from within a package

You can get the version of a python distribution using import pkg_resources pkg_resources.get_distribution("distro").version This is great if you know the distribution name, however I need to dynamically figure out my distribution name at…
Gricey
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