This is a truly popular question here at SO, but none of the many answers I have looked at, clearly explain what this error really mean, and why it occurs. One source of confusion, is that when (for example) you do pip install pycparser, you first get the error: Failed building wheel for pycparser which … Read more
Here are the commands I am running: $ python setup.py bdist_wheel usage: setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] …] or: setup.py –help [cmd1 cmd2 …] or: setup.py –help-commands or: setup.py cmd –help error: invalid command ‘bdist_wheel’ $ pip –version pip 1.5.6 from /usr/local/lib/python3.4/site-packages (python 3.4) $ python -c “import setuptools; print(setuptools.__version__)” 2.1 $ python –version … Read more
I’m new to Python development and attempting to use pipenv. I ran the command pip install pipenv, which ran successfully: … Successfully built pipenv pathlib shutilwhich pythonz-bd virtualenv-clone Installing collected packages: virtualenv, pathlib, shutilwhich, backports.shutil-get-terminal-size, pythonz-bd, virtualenv-clone, pew, first, six, click, pip-tools, certifi, chardet, idna, urllib3, requests, pipenv … However, when I run the command … Read more
How do I upgrade all my python packages from requirements.txt file using pip command? tried with below command $ pip install –upgrade -r requirements.txt Since, the python packages are suffixed with the version number (Django==1.5.1) they don’t seem to upgrade. Is there any better approach than manually editing requirements.txt file? EDIT As Andy mentioned in … Read more
I am working on mac OS X Yosemite, version 10.10.3. I installed python2.7 and pip using macport as done in http://johnlaudun.org/20150512-installing-and-setting-pip-with-macports/ I can successfully install packages and import them inside my python environment and python scripts. However any executable associated with a package that can be called from the command line in the terminal are … Read more
What is the conda version of this? pip install -r requirements.txt –target ./lib I’ve found these commands: while read requirement; do conda install –yes $requirement; done < requirements.txt But it doesn’t tell how to specify –target ./lib 5 Answers 5
When I run pip freeze I see (among other expected packages) pkg-resources==0.0.0. I have seen a few posts mentioning this package (including this one), but none explaining what it is, or why it is included in the output of pip freeze. The main reason I am wondering is out of curiosity, but also, it seems … Read more
It is possible to install NumPy with pip using pip install numpy. Is there a similar possibility with SciPy? (Doing pip install scipy does not work.) Update The package SciPy is now available to be installed with pip! 15 Answers 15
Despite a ton of Googling, I can’t find any docs for pip’s command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip’s options and arguments? 1 Answer 1
In my MacOS Mojave terminal I wanted to install a python package with pip. At the end it says: You are using pip version 10.0.1, however version 18.1 is available. You should consider upgrading via the ‘pip install –upgrade pip’ command. So I wanted to update pip with the given command but I got an … Read more
