To install a specific package: conda install <pkg>=<version> eg: conda install matplotlib=1.4.3 For more complex expressions, the relation can be quoted: conda install ‘matplotlib>=1.4.3’ # or conda install “matplotlib>=1.4.3”
The short answer is that, in my experience generally, it doesn’t matter which you use. The long answer: So conda-forge is an additional channel from which packages may be installed. In this sense, it is not any more special than the default channel, or any of the other hundreds (thousands?) of channels that people have … Read more
If you just want to temporarily change to another environment, use source activate environment-name ETA: This may be deprecated. I believe the current correct command is: source conda activate environment-name (you can create environment-name with conda create) To change permanently, there is no method except creating a startup script that runs the above code. Typically … Read more
I had faced the same problem. Simply running conda install anaconda solved the problem for me.
You can run conda install –file requirements.txt instead of the loop, but there is no target directory in conda install. conda install installs a list of packages into a specified conda environment.
You want conda update –all. conda search –outdated will show outdated packages, and conda update –all will update them (note that the latter will not update you from Python 2 to Python 3, but the former will show Python as being outdated if you do use Python 2).
from platform import python_version print(python_version()) This will give you the exact version of python running your script. eg output: 3.6.5
TL;DR: dependency conflicts: Updating one requires (by it’s requirements) to downgrade another You are right: conda update –all is actually the way to go1. Conda always tries to upgrade the packages to the newest version in the series (say Python 2.x or 3.x). Dependency conflicts But it is possible that there are dependency conflicts (which … Read more
I was faced with the same issue in windows 10, Updating the environment variable following steps, it’s working fine. I know It is a lengthy answer for the simple environment setups, I thought it’s may be useful for the new window 10 users. 1) Open Anaconda Prompt: 2) Check Conda Installed Location. where conda 3) … Read more
I can’t find anything in the conda specs which allows you to export an environment file without the prefix: … line. However, like Alex pointed out in the comments, conda doesn’t seem to care about the prefix line when creating an environment from the file. With that in mind, if you want the other user … Read more