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Python: simplify hasPythonModule

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This commit is contained in:
Orivej Desh 2017-12-10 20:10:35 +00:00
parent 9630bd5232
commit c86b19cb20
1 changed files with 2 additions and 3 deletions
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5
pkgs/top-level/python-packages.nix
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@ -87,12 +87,11 @@ let
in fetcher (builtins.removeAttrs attrs ["format"]) ); in fetcher (builtins.removeAttrs attrs ["format"]) );
# Check whether a derivation provides a Python module. # Check whether a derivation provides a Python module.
hasPythonModule = drv: (hasAttr "pythonModule" drv) && ( (getAttr "pythonModule" drv) == python); hasPythonModule = drv: drv?pythonModule && drv.pythonModule == python;
# Get list of required Python modules given a list of derivations. # Get list of required Python modules given a list of derivations.
requiredPythonModules = drvs: let requiredPythonModules = drvs: let
removeNull = list: filter (x: !isNull x) list; modules = filter hasPythonModule drvs;
modules = filter hasPythonModule (removeNull drvs);
in unique ([python] ++ modules ++ concatLists (catAttrs "requiredPythonModules" modules)); in unique ([python] ++ modules ++ concatLists (catAttrs "requiredPythonModules" modules));
# Create a PYTHONPATH from a list of derivations. This function recurses into the items to find derivations # Create a PYTHONPATH from a list of derivations. This function recurses into the items to find derivations