Python: Difference between revisions

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In this example, we create a Python environment with packages <code>pandas</code> and <code>requests</code>.

You can find Python packages that are available in Nixpkgs using [https://search.nixos.org/packages search.nixos.org]. For instance, type a Python package name like <code>numpy</code> in the search bar and click on the search button on the right. You can narrow down results by clicking on eg. "python311Packages" in the "Package sets" section on the left. Note that in the snippet above, on lines ~~8 and 9~~, each package is listed in the form <code>python-pkgs.<name></code> where <code><name></code> corresponds to the one found in [https://search.nixos.org/packages search.nixos.org] . See [https://nix.dev/tutorials/nix-language.html Nix language basics] for more information on the <code>python-pkgs</code> attribute set.

You can find Python packages that are available in Nixpkgs using [https://search.nixos.org/packages search.nixos.org]. For instance, type a Python package name like <code>numpy</code> in the search bar and click on the search button on the right. You can narrow down results by clicking on eg. "python311Packages" in the "Package sets" section on the left. Note that in the snippet above, on lines 10-11, each package is listed in the form <code>python-pkgs.<name></code> where <code><name></code> corresponds to the one found in [https://search.nixos.org/packages search.nixos.org] . See [https://nix.dev/tutorials/nix-language.html Nix language basics] for more information on the <code>python-pkgs</code> attribute set.

Once you have picked the Python packages you want, run <code>nix-shell</code> (or <code>nix develop -f shell.nix</code>) to build the Python environment and enter it. Once in the environment Python will be available in your PATH, so you can run eg. <code>python --version</code>.

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 In this example, we create a Python environment with packages <code>pandas</code> and <code>requests</code>.
-You can find Python packages that are available in Nixpkgs using [https://search.nixos.org/packages search.nixos.org]. For instance, type a Python package name like <code>numpy</code> in the search bar and click on the search button on the right. You can narrow down results by clicking on eg. "python311Packages" in the "Package sets" section on the left. Note that in the snippet above, on lines 8 and 9, each package is listed in the form <code>python-pkgs.<name></code> where <code><name></code> corresponds to the one found in [https://search.nixos.org/packages search.nixos.org] . See [https://nix.dev/tutorials/nix-language.html Nix language basics] for more information on the <code>python-pkgs</code> attribute set.
+You can find Python packages that are available in Nixpkgs using [https://search.nixos.org/packages search.nixos.org]. For instance, type a Python package name like <code>numpy</code> in the search bar and click on the search button on the right. You can narrow down results by clicking on eg. "python311Packages" in the "Package sets" section on the left. Note that in the snippet above, on lines 10-11, each package is listed in the form <code>python-pkgs.<name></code> where <code><name></code> corresponds to the one found in [https://search.nixos.org/packages search.nixos.org] . See [https://nix.dev/tutorials/nix-language.html Nix language basics] for more information on the <code>python-pkgs</code> attribute set.
 Once you have picked the Python packages you want, run <code>nix-shell</code> (or <code>nix develop -f shell.nix</code>)  to build the Python environment and enter it. Once in the environment Python will be available in your PATH, so you can run eg. <code>python --version</code>.