pip

问题 I have created a module using python . I want to publish it to pip and PyPi so that others can download and use it easily. How do I do it? 回答1: The answer can be easily found on the Internet. I just referenced this site to answer you. You can follow the steps below: create an account on PyPi. Create a README.md file as an instruction for users (Highly recommended). Create a setup.cfg file, and write the following content: [metadata] description-file = README.md Create a LICENSE file by

问题 When I try to deploy my (reticulate-powered) Shiny app to shinyapps.io, I get the following error: Error in value[[3L]](cond) : invalid version specification ‘20.1b1’ Calls: local ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous> Execution halted While it is not explicit, I suppose the error is refering to the pip version, which I never explicitly specify. This is the part of the code that precedes the ui and server functions: library(reticulate) library(shiny) virtualenv_create

问题 I recently used pip to install the requests package in python 2.7, however in order to do so I had to use: python -m pip install requests instead of just: python pip install requests which gave me an error: can't open file 'pip: [Errno 2] No such file or directory Why did I need to add the -m ? 回答1: python -m pip tells python to run with the pip module as the main module. python pip isn't understood, because pip isn't a command line argument that python understands (i.e., pip is a module). If

问题 I recently used pip to install the requests package in python 2.7, however in order to do so I had to use: python -m pip install requests instead of just: python pip install requests which gave me an error: can't open file 'pip: [Errno 2] No such file or directory Why did I need to add the -m ? 回答1: python -m pip tells python to run with the pip module as the main module. python pip isn't understood, because pip isn't a command line argument that python understands (i.e., pip is a module). If

问题 Trying to install pyad package for Python 2.7.13 (windows x64) using pip . There is pywin32 package among requirements, so we get an error: C:\Windows\system32>pip install pyad Collecting pyad Using cached pyad-0.5.16.tar.gz Requirement already satisfied: setuptools in c:\python27\lib\site-packages (from pyad) Collecting pywin32 (from pyad) Could not find a version that satisfies the requirement pywin32 (from pyad) (from versions: ) No matching distribution found for pywin32 (from pyad) Then

问题 When searching for or install packages with pip, I get the following error: pip3 search validate Retrying (Retry(total=4, connect=None, read=None, redirect=None)) after connection broken by 'ProtocolError('Connection aborted.', OSError(22, 'Invalid argument'))': /pypi Retrying (Retry(total=3, connect=None, read=None, redirect=None)) after connection broken by 'ProtocolError('Connection aborted.', OSError(22, 'Invalid argument'))': /pypi Retrying (Retry(total=2, connect=None, read=None,

问题 When searching for or install packages with pip, I get the following error: pip3 search validate Retrying (Retry(total=4, connect=None, read=None, redirect=None)) after connection broken by 'ProtocolError('Connection aborted.', OSError(22, 'Invalid argument'))': /pypi Retrying (Retry(total=3, connect=None, read=None, redirect=None)) after connection broken by 'ProtocolError('Connection aborted.', OSError(22, 'Invalid argument'))': /pypi Retrying (Retry(total=2, connect=None, read=None,

问题 If I have a python project that contains a setup.py file I can run pip install --user -e . . This will install all of the requirements listed in the setup file and add the current project to my pip list: $ pip show project-name Name: project-name Version: 1.0.0 Summary: None Location: /path-to-project/ Requires: matplotlib, numpy, scipy, ... Required-by: Will this by default add the \path-to-project\ to the users PYTHONPATH, or do you have to do that manually, so you can import the code via

问题 If I have a python project that contains a setup.py file I can run pip install --user -e . . This will install all of the requirements listed in the setup file and add the current project to my pip list: $ pip show project-name Name: project-name Version: 1.0.0 Summary: None Location: /path-to-project/ Requires: matplotlib, numpy, scipy, ... Required-by: Will this by default add the \path-to-project\ to the users PYTHONPATH, or do you have to do that manually, so you can import the code via

问题 Let's say I have a package foo , and foo packages up binary shared objects that I use in multiple Python scripts. Foo v1 (shared objects) Bar v1 (requires Foo v1) Baz v1 (requires Foo v1) Now I want to push out a new breaking update to Foo. Foo v2 (shared objects) Bar v2 (requires Foo v2) Foo v1 (shared objects) Bar v1 (requires Foo v1) Baz v1 (requires Foo v1) Can old-dependencies with different major versions in semvar be distributed over PyPI? If so, how? 回答1: Pypi can and will track