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[英]pip reinstall pkg and install dependencies that are not installed, but not install dependencies that are already installed?
[英]Dependencies are not installed by pip
我有一個帶有以下setup.py
的庫:
from setuptools import setup
from mylib import __version__
requirements = ['paramiko']
tests_require = ['pytest']
def main():
setup(
name='mypackage',
description='A collection of utilities',
url='http://example.net',
version=__version__,
author='Me Me',
author_email='me@me.net',
packages=['mylib'],
zip_safe=False,
install_requires=requirements,
tests_require=tests_require,
)
if __name__ == '__main__':
main()
我已經將此軟件包發布到內部devpi
服務器。 每當我嘗試安裝它時,都會得到:
» pip install mypackage
Looking in indexes: http://devpi.mine/myuser/dev/+simple/
Collecting mypackage
Downloading http://devpi.mine/myuser/dev/+f/a8c/c05e3a49de4fe/mypackage-0.0.2.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-install-ee238ja7/mypackage/setup.py", line 3, in <module>
from mypackage import __version__
File "/tmp/pip-install-ee238ja7/mypackage/mylib/__init__.py", line 3, in <module>
from .storage_host import StoraHostType
File "/tmp/pip-install-ee238ja7/mypackage/mylib/storage_host.py", line 5, in <module>
from .ssh import SSH
File "/tmp/pip-install-ee238ja7/mypackage/mylib/ssh.py", line 5, in <module>
import paramiko
ModuleNotFoundError: No module named 'paramiko'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-ee238ja7/mypackage/
為什么pip
不安裝setup.py
中install_requires
中列出的要求?
那是因為您在執行setup
程序之前就引用了程序包。
點子需要先觸摸setup(...)
以完成所有操作。 但在此之前,您from mylib import __version__
。 因此setup
根本不會執行。
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