pyrox.dev
1{
2 lib,
3 buildPythonPackage,
4 fetchPypi,
5 pbr,
6 pip,
7 pkgs,
8 stevedore,
9 virtualenv,
10 virtualenv-clone,
11 python,
12}:
13
14buildPythonPackage rec {
15 pname = "virtualenvwrapper";
16 version = "6.1.1";
17 format = "setuptools";
18
19 src = fetchPypi {
20 inherit pname version;
21 hash = "sha256-ES5+o0qaPOkKrqVBgvDTr+9NGpE+63XpiiY7SXjNc8Y=";
22 };
23
24 # pip depend on $HOME setting
25 preConfigure = "export HOME=$TMPDIR";
26
27 buildInputs = [
28 pbr
29 pip
30 pkgs.which
31 ];
32 propagatedBuildInputs = [
33 stevedore
34 virtualenv
35 virtualenv-clone
36 ];
37
38 postPatch = ''
39 for file in "virtualenvwrapper.sh" "virtualenvwrapper_lazy.sh"; do
40 substituteInPlace "$file" --replace "which" "${pkgs.which}/bin/which"
41
42 # We can't set PYTHONPATH in a normal way (like exporting in a wrapper
43 # script) because the user has to evaluate the script and we don't want
44 # modify the global PYTHONPATH which would affect the user's
45 # environment.
46 # Furthermore it isn't possible to just use VIRTUALENVWRAPPER_PYTHON
47 # for this workaround, because this variable is well quoted inside the
48 # shell script.
49 # (the trailing " -" is required to only replace things like these one:
50 # "$VIRTUALENVWRAPPER_PYTHON" -c "import os,[...] and not in
51 # if-statements or anything like that.
52 # ...and yes, this "patch" is hacky :)
53 substituteInPlace "$file" --replace '"$VIRTUALENVWRAPPER_PYTHON" -' 'env PYTHONPATH="$VIRTUALENVWRAPPER_PYTHONPATH" "$VIRTUALENVWRAPPER_PYTHON" -'
54 done
55 '';
56
57 postInstall = ''
58 # This might look like a dirty hack but we can't use the makeWrapper function because
59 # the wrapped file were then called via "exec". The virtualenvwrapper shell scripts
60 # aren't normal executables. Instead, the user has to evaluate them.
61
62 for file in "virtualenvwrapper.sh" "virtualenvwrapper_lazy.sh"; do
63 local wrapper="$out/bin/$file"
64 local wrapped="$out/bin/.$file-wrapped"
65 mv "$wrapper" "$wrapped"
66
67 # WARNING: Don't indent the lines below because that would break EOF
68 cat > "$wrapper" << EOF
69 export PATH="${python}/bin:\$PATH"
70 export VIRTUALENVWRAPPER_PYTHONPATH="$PYTHONPATH:$(toPythonPath $out)"
71 source "$wrapped"
72 EOF
73
74 chmod -x "$wrapped"
75 chmod +x "$wrapper"
76 done
77 '';
78
79 meta = with lib; {
80 description = "Enhancements to virtualenv";
81 homepage = "https://pypi.python.org/pypi/virtualenvwrapper";
82 license = licenses.mit;
83 };
84}