如何解决我构建了一个python包并上传到pypi可以安装但不能导入:ModuleNotFoundError
我构建了一个 python 包并上传到 pypi。它安装得很好,但是在导入时出现 ModuleNotFound
错误。该错误在全新的 conda 环境中复制,在不同的机器上(Ubuntu、MacOS、Windows。虽然都在(新)conda 环境中)。我最后一次出现此错误是因为文件夹命名不正确,但这里并非如此。 GitHub repo 在用于构建 whl 的分支和文件夹中。
有什么想法吗?
使用
构建和安装包python3 -m build
python3 -m twine upload dist/*
pip install pillaralgos
(pillar_env) jupyter-pomkos@jupyterubuntu:~$ python
Python 3.8.8 (default,Feb 24 2021,21:46:12)
[GCC 7.3.0] :: Anaconda,Inc. on linux
Type "help","copyright","credits" or "license" for more information.
---------------------------------------------------------------------------
>>> import pillaralgos
Traceback (most recent call last):
File "<stdin>",line 1,in <module>
ModuleNotFoundError: No module named 'pillaralgos'
>>>
它出现在 pip list
(pillar_env) jupyter-pomkos@jupyterubuntu:~$ pip list
Package Version
------------------ -------------------
# Truncated
pexpect 4.8.0
pickleshare 0.7.5
pillaralgos 1.0.1
Pillow 8.2.0
pip 21.0.1
sys.path
确实包含安装库的目录。
(pillar_env) jupyter-pomkos@jupyterubuntu:~$ python
Python 3.8.8 (default,"credits" or "license" for more information.
>>> import sys
>>> sys.path
['','/home/jupyter-pomkos/.conda/envs/pillar_env/lib/python38.zip','/home/jupyter-pomkos/.conda/envs/pillar_env/lib/python3.8','/home/jupyter-pomkos/.conda/envs/pillar_env/lib/python3.8/lib-dynload','/home/jupyter-pomkos/.local/lib/python3.8/site-packages','/home/jupyter-pomkos/.conda/envs/pillar_env/lib/python3.8/site-packages']
>>>
pip show
表示它安装在正确的环境和目录中。
(pillar_env) jupyter-pomkos@jupyterubuntu:~$ pip show pillaralgos
---------------------------------------------------------------------------
Name: pillaralgos
Version: 1.0.1
Summary: Algorithms for Pillar. Currently includes "mini" algorithms,nothing too sophisticated.
Home-page: https://github.com/pillargg/twitch_chat_analysis/tree/pypi_reorganize
Author: Peter Gates
Author-email: pgate89@gmail.com
License: UNKNowN
Location: /home/jupyter-pomkos/.conda/envs/pillar_env/lib/python3.8/site-packages
Requires:
required-by:
Note: you may need to restart the kernel to use updated packages.
ModuleNotFoundError
出现在 jupyter 控制台、jupyterlab notebook 和终端 python 中。确认内核指向正确的 conda 目录(虽然我认为这个故障排除没有必要,因为错误是在不同的机器上复制的):
(pillar_env) jupyter-pomkos@jupyterubuntu:~$ nano ~/.local/share/jupyter/kernels/pillar_env/kernel.json
---------------------------------------------------------------------------
{
"argv": [
"/home/jupyter-pomkos/.conda/envs/pillar_env/bin/python","-m","ipykernel_launcher","-f","{connection_file}"
],"display_name": "Pillar Env","language": "python"
}
解决方法
您当前的 setup.cfg
如下所示:
[options]
package_dir =
= pillaralgos
packages = find:
# ...
[options.packages.find]
where = pillaralgos
将此与您的项目目录结构进行比较,在我看来您应该更改为这样的内容:
[options]
packages = find:
# ...
如果我没记错的话,package_dir
字段以及整个 [options.packages.find]
部分都不是必需的。
切换到 poetry
以进行所有包构建/发布,他们似乎直截了当。
说是使用 python 的内置 python3 -m build
和 python twine upload dist/*
命令运行:
- 确保本地和 github 上的所有文件夹都包含
__init__.py
- 确保文件夹结构正确
默认 python 命令的文件夹结构应该是:
|-- pypi
|-- src # <---- this folder can be named pillaralgos,but still needed another pillaralgos subfolder
|-- pillaralgos # <----- this is needed
|-- helpers
|-- __init__.py
|-- data_handler.py
|-- __init__.py
|-- algoXX.py
|-- LICENSE
|-- pyproject.toml
|-- README.md
|-- setup.cfg
poetry
开箱即用。文件夹结构:
|-- pypi
|-- pillaralgos # <---- note that poetry didn't require an additional subfolder
|-- helpers
|-- __init__.py
|-- data_handler.py
|-- graph_helpers.py
|-- sanity_checks.py
|-- __init__.py # must include version number
|-- algoXX.py # all algorithms in separate files
|-- LICENSE
|-- README.md
|-- pyproject.toml # must include version number
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