I am having trouble installing psycopg2. I get the following error when I try to pip install psycopg2: But the problem is pg_config is actually in my PATH; it runs without any problem: I tried adding the pg_config path to the setup.cfg file and building it using the source files I downloaded from their website (http://initd.org/psycopg/) and I get the following … Read more
I am trying to build the python api for an open source project called Zulip and I keep running into the same issue as indicated by the screenshot below. I am running python3 and my pip version is 10.0.0. The file in question is setup.py and the code that is messing up is when the pip.main() attribute is accessed … Read more
I am using Python 2.7.12 and I want to check whether the pip is installed or not. For this, in command line of Python application I wrote pip list and pressed enter. However, I get an error like: So, how can I solve this issue and get the list of modules as an output? Thanks
It seems that Pipfile/Pipfile.lock are intended to be replacements for requirements.txt, in the context of Python packaging. There isn’t much documentation out there on how these actually work, however. I found an evolving description of pipfile on the PyPi section of the Python website here but it’s pretty messy and doesn’t explain the semantics of the different … Read more
json is a built-in module, you don’t need to install it with pip.
For installing multiple packages on the command line, just pass them as a space-delimited list, e.g.: For installing from a text file, then, from pip install –help: -r FILENAME, –requirement=FILENAME Install all the packages listed in the given requirements file. This option can be used multiple times. Take a look at the pip documentation regarding requirements files for … Read more
For others who run into this situation, I found this to be the most straightforward solution: Run conda create -n venv_name and conda activate venv_name, where venv_name is the name of your virtual environment. Run conda install pip. This will install pip to your venv directory. Find your anaconda directory, and find the actual venv folder. It should be somewhere like /anaconda/envs/venv_name/. … Read more
Faced the same problem. I think this is because python3.6 and pip3 were installed from different sources. I suggest using python’s inbuilt facility to install pip i.e This should install pip3 and pip3.x where x in python3.x. Same works for python2 also.
On Windows, it’s a good idea to stick to launching pip via the py.exe common launcher, so you can provide flags to specify which version of Python to use without needing to deal with a complicated PATH. To use it for Python 3, just replace: with: It’s a little bit longer to type, but it avoids a lot of hassles with PATH management, … Read more
you did not log out and log in ? It should be on your path to execute. If not, pip installed executables in .local, so in a terminal: should start notebook