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Doc: fix python override examples

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This commit is contained in:
Frederik Rietdijk 2016-08-30 17:06:17 +02:00
parent c7bbe3dd4a
commit 95021f061a
1 changed files with 19 additions and 5 deletions
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24
doc/languages-frameworks/python.md
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@ -715,8 +715,8 @@ Python attribute sets are created for each interpreter version. We will therefor
In the following example we change the name of the package `pandas` to `foo`. In the following example we change the name of the package `pandas` to `foo`.
``` ```
newpkgs = pkgs.overridePackages(self: super: rec { newpkgs = pkgs.overridePackages(self: super: rec {
python35Packages = super.python35Packages.override { python35Packages = (super.python35Packages.override { self = python35Packages;})
self = python35Packages // { pandas = python35Packages.pandas.override{name="foo";};}; // { pandas = super.python35Packages.pandas.override {name = "foo";};
}; };
}); });
``` ```
@ -727,8 +727,8 @@ with import <nixpkgs> {};
(let (let
newpkgs = pkgs.overridePackages(self: super: rec { newpkgs = pkgs.overridePackages(self: super: rec {
python35Packages = super.python35Packages.override { python35Packages = (super.python35Packages.override { self = python35Packages;})
self = python35Packages // { pandas = python35Packages.pandas.override{name="foo";};}; // { pandas = super.python35Packages.pandas.override {name = "foo";};
}; };
}); });
in newpkgs.python35.withPackages (ps: [ps.blaze]) in newpkgs.python35.withPackages (ps: [ps.blaze])
@ -743,7 +743,7 @@ with import <nixpkgs> {};
newpkgs = pkgs.overridePackages(self: super: rec { newpkgs = pkgs.overridePackages(self: super: rec {
python35Packages = super.python35Packages.override { python35Packages = super.python35Packages.override {
self = python35Packages // { scipy = python35Packages.scipy_0_16;}; self = python35Packages // { scipy = python35Packages.scipy_0_17;};
}; };
}); });
in newpkgs.python35.withPackages (ps: [ps.blaze]) in newpkgs.python35.withPackages (ps: [ps.blaze])
@ -751,6 +751,20 @@ in newpkgs.python35.withPackages (ps: [ps.blaze])
``` ```
The requested package `blaze` depends upon `pandas` which itself depends on `scipy`. The requested package `blaze` depends upon `pandas` which itself depends on `scipy`.
A similar example but now using `django`
```
with import <nixpkgs> {};
(let
newpkgs = pkgs.overridePackages(self: super: rec {
python27Packages = (super.python27Packages.override {self = python27Packages;})
// { django = super.python27Packages.django_1_9; };
});
in newpkgs.python27.withPackages (ps: [ps.django_guardian ])
).env
```
### `python setup.py bdist_wheel` cannot create .whl ### `python setup.py bdist_wheel` cannot create .whl
Executing `python setup.py bdist_wheel` fails with Executing `python setup.py bdist_wheel` fails with