pyrox.dev
1{ lib
2, buildPythonPackage
3, fetchPypi
4, pbr
5, pip
6, pkgs
7, stevedore
8, virtualenv
9, virtualenv-clone
10, python
11}:
12
13buildPythonPackage rec {
14 pname = "virtualenvwrapper";
15 version = "4.8.4";
16
17 src = fetchPypi {
18 inherit pname version;
19 sha256 = "51a1a934e7ed0ff221bdd91bf9d3b604d875afbb3aa2367133503fee168f5bfa";
20 };
21
22 # pip depend on $HOME setting
23 preConfigure = "export HOME=$TMPDIR";
24
25 buildInputs = [ pbr pip pkgs.which ];
26 propagatedBuildInputs = [ stevedore virtualenv virtualenv-clone ];
27
28 postPatch = ''
29 for file in "virtualenvwrapper.sh" "virtualenvwrapper_lazy.sh"; do
30 substituteInPlace "$file" --replace "which" "${pkgs.which}/bin/which"
31
32 # We can't set PYTHONPATH in a normal way (like exporting in a wrapper
33 # script) because the user has to evaluate the script and we don't want
34 # modify the global PYTHONPATH which would affect the user's
35 # environment.
36 # Furthermore it isn't possible to just use VIRTUALENVWRAPPER_PYTHON
37 # for this workaround, because this variable is well quoted inside the
38 # shell script.
39 # (the trailing " -" is required to only replace things like these one:
40 # "$VIRTUALENVWRAPPER_PYTHON" -c "import os,[...] and not in
41 # if-statements or anything like that.
42 # ...and yes, this "patch" is hacky :)
43 substituteInPlace "$file" --replace '"$VIRTUALENVWRAPPER_PYTHON" -' 'env PYTHONPATH="$VIRTUALENVWRAPPER_PYTHONPATH" "$VIRTUALENVWRAPPER_PYTHON" -'
44 done
45 '';
46
47 postInstall = ''
48 # This might look like a dirty hack but we can't use the makeWrapper function because
49 # the wrapped file were then called via "exec". The virtualenvwrapper shell scripts
50 # aren't normal executables. Instead, the user has to evaluate them.
51
52 for file in "virtualenvwrapper.sh" "virtualenvwrapper_lazy.sh"; do
53 local wrapper="$out/bin/$file"
54 local wrapped="$out/bin/.$file-wrapped"
55 mv "$wrapper" "$wrapped"
56
57 # WARNING: Don't indent the lines below because that would break EOF
58 cat > "$wrapper" << EOF
59export PATH="${python}/bin:\$PATH"
60export VIRTUALENVWRAPPER_PYTHONPATH="$PYTHONPATH:$(toPythonPath $out)"
61source "$wrapped"
62EOF
63
64 chmod -x "$wrapped"
65 chmod +x "$wrapper"
66 done
67 '';
68
69 meta = with lib; {
70 description = "Enhancements to virtualenv";
71 homepage = "https://pypi.python.org/pypi/virtualenvwrapper";
72 license = licenses.mit;
73 };
74
75}