问题
I am learning Python using Zed Shaw's "Learn Python the Hard Way" on Windows using PowerShell. I am in Exercise 46 where you set up a skelton project. I downloaded pip, distribute, nose, and virtualenv and I installed them by typing:
python <filename>.py install
However, probably because they were not installed where they were supposed to, when I try
nosetests
I get errors saying "The term 'nosetests' is not recognized as the name of a cmdelt, function, script file, or operable program. Check the spelling of the mae, or if a path was included, verify that the path is correct and try again.... CommandNotFoundException".
I have been going through the exercises fine, so I thought that the path was correct but do you have to change it now? Right now, I have the packages under the directory where I have my skelton (..project/skelton). I am sorry for a real-beginner question but if anybody could help me with this, I highly appreciate it!!
回答1:
I had the same error but the answer was in the book. Type this into powershell, hope it works for you too.
[Environment]::SetEnvironmentVariable("Path", "$env:Path;C:\Python27", "User")
回答2:
Try this:
// make sure you have pip and virtualenv installed cd project // create a virtual environment virtualenv venv --distribute // activate the virtual environment // I'm not 100% sure, but I think this is correct way on windows venv\Scripts\activate.bat // install nose pip install nose
You should now be able to run nosetests as long as your virtualenv is activated.
回答3:
Maybe this is late for your question, but this may help others that will experience the same issue that we've experienced. I've got mine working doing the ff. steps:
(Assuming that you've downloaded all packages as discussed in the book):
- pip from https://bootstrap.pypa.io/get-pip.py (save that as python file)
- distribute from http://pypi.python.org/pypi/distribute
- nose from http://pypi.python.org/pypi/nose/
- virtualenv from http://pypi.python.org/pypi/virtualenv
Follow this to install all:
- Run Windows Powershell as Administrator
- cd C:\Path_Where_You_Downloaded_get-pip.py
- Install pip by using the command 'python get-pip.py'
- Run Command Prompt as Administrator
- cd to location of Python27 scripts (in my case C:\Python27\Scripts)
- Try to update pip using the command 'pip install --upgrade pip'
- Install Nose by using this command 'pip install C:\Path_Where_You_downloaded_nose'
- Install distribute using command 'pip install distribute'
Hope this helps!
来源：https://stackoverflow.com/questions/11511809/learn-python-the-hard-way-exercise-46-installing-python-packages-pip-nose-etc