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python: collision in names when developing 2 and more python packages with nix

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when you run nix-shell 2 times at the same time of project (but different
branches) you get collision in names inside /tmp folder. i solved this by
hashing current path of developing folder and using that as indentifier while
still keeping name at the end.

diff --git a/pkgs/development/python-modules/generic/default.nix
b/pkgs/development/python-modules/generic/default.nix index 4c9c53a..6ec7934
100644 --- a/pkgs/development/python-modules/generic/default.nix +++
b/pkgs/development/python-modules/generic/default.nix @@ -161,11 +161,12 @@ if
disabled then throw "${name} not supported for interpreter ${python.executabl

   shellHook = attrs.shellHook or ''
     if test -e setup.py; then
-       mkdir -p /tmp/$name/lib/${python.libPrefix}/site-packages
+       tmp_path=/tmp/`pwd | md5sum | cut -f 1 -d " "`-$name
+       mkdir -p $tmp_path/lib/${python.libPrefix}/site-packages
        ${preShellHook}
-       export PATH="/tmp/$name/bin:$PATH"
-       export PYTHONPATH="/tmp/$name/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
-       ${python}/bin/${python.executable} setup.py develop --prefix /tmp/$name
+       export PATH="$tmp_path/bin:$PATH"
+       export PYTHONPATH="$tmp_path/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
+       ${python}/bin/${python.executable} setup.py develop --prefix $tmp_path
        ${postShellHook}
     fi
   '';
This commit is contained in:
Rok Garbas 2014-09-19 14:23:45 +02:00
parent 96f4a47199
commit 602f7e5aa4
1 changed files with 5 additions and 4 deletions
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9
pkgs/development/python-modules/generic/default.nix
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@ -161,11 +161,12 @@ if disabled then throw "${name} not supported for interpreter ${python.executabl
shellHook = attrs.shellHook or ''
if test -e setup.py; then
mkdir -p /tmp/$name/lib/${python.libPrefix}/site-packages
tmp_path=/tmp/`pwd | md5sum | cut -f 1 -d " "`-$name
mkdir -p $tmp_path/lib/${python.libPrefix}/site-packages
${preShellHook}
export PATH="/tmp/$name/bin:$PATH"
export PYTHONPATH="/tmp/$name/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
${python}/bin/${python.executable} setup.py develop --prefix /tmp/$name
export PATH="$tmp_path/bin:$PATH"
export PYTHONPATH="$tmp_path/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
${python}/bin/${python.executable} setup.py develop --prefix $tmp_path
${postShellHook}
fi
'';