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doc/python: fix conversion errors in example code

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Benno Fünfstück 2016-05-29 16:44:54 +02:00
parent bad156a0d5
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doc/languages-frameworks/python.md
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@ -545,7 +545,7 @@ Python environments can be created using the low-level `pkgs.buildEnv` function.
This example shows how to create an environment that has the Pyramid Web Framework. This example shows how to create an environment that has the Pyramid Web Framework.
Saving the following as `default.nix` Saving the following as `default.nix`
with import {}; with import <nixpkgs> {};
python.buildEnv.override { python.buildEnv.override {
extraLibs = [ pkgs.pythonPackages.pyramid ]; extraLibs = [ pkgs.pythonPackages.pyramid ];
@ -562,7 +562,7 @@ You can also use the `env` attribute to create local environments with needed
packages installed. This is somewhat comparable to `virtualenv`. For example, packages installed. This is somewhat comparable to `virtualenv`. For example,
running `nix-shell` with the following `shell.nix` running `nix-shell` with the following `shell.nix`
with import {}; with import <nixpkgs> {};
(python3.buildEnv.override { (python3.buildEnv.override {
extraLibs = with python3Packages; [ numpy requests ]; extraLibs = with python3Packages; [ numpy requests ];
@ -585,7 +585,7 @@ It takes a function as an argument that is passed the set of python packages and
of the packages to be included in the environment. Using the `withPackages` function, the previous of the packages to be included in the environment. Using the `withPackages` function, the previous
example for the Pyramid Web Framework environment can be written like this: example for the Pyramid Web Framework environment can be written like this:
with import {}; with import <nixpkgs> {};
python.withPackages (ps: [ps.pyramid]) python.withPackages (ps: [ps.pyramid])
@ -593,7 +593,7 @@ example for the Pyramid Web Framework environment can be written like this:
argument to the function. In the above example, `ps` equals `pythonPackages`. argument to the function. In the above example, `ps` equals `pythonPackages`.
But you can also easily switch to using python3: But you can also easily switch to using python3:
with import {}; with import <nixpkgs> {};
python3.withPackages (ps: [ps.pyramid]) python3.withPackages (ps: [ps.pyramid])
@ -602,7 +602,7 @@ Now, `ps` is set to `python3Packages`, matching the version of the interpreter.
As `python.withPackages` simply uses `python.buildEnv` under the hood, it also supports the `env` As `python.withPackages` simply uses `python.buildEnv` under the hood, it also supports the `env`
attribute. The `shell.nix` file from the previous section can thus be also written like this: attribute. The `shell.nix` file from the previous section can thus be also written like this:
with import {}; with import <nixpkgs> {};
(python33.withPackages (ps: [ps.numpy ps.requests])).env (python33.withPackages (ps: [ps.numpy ps.requests])).env
@ -619,7 +619,7 @@ Warning: `shellPhase` is executed only if `setup.py` exists.
Given a `default.nix`: Given a `default.nix`:
with import {}; with import <nixpkgs> {};
buildPythonPackage { name = "myproject"; buildPythonPackage { name = "myproject";