sane-scripts: split sane-lib-bt into an actual, nix-level library

a bit less hacky, i think

pkgs/additional/sane-scripts/default.nix

@@ -1,5 +1,5 @@
 { lib
-, pkgs
+, python3Packages
 , static-nix-shell
 , symlinkJoin
 }:
@@ -13,6 +13,19 @@ let
       cp -R lib/* $out/bin/lib/
     '';
   });
+
+  sane-lib = {
+    bt = python3Packages.buildPythonPackage {
+      pname = "sane-lib-bt";
+      version = "0.1.0";
+      format = "setuptools";
+      src = ./src/lib/bt;
+      pythonImportChecks = [
+        "sane_bt"
+      ];
+    };
+  };
+
   nix-shell-scripts = {
     # anything added to this attrset gets symlink-joined into `sane-scripts`
     # and is made available through `sane-scripts.passthru`
@@ -26,15 +39,17 @@ let
       src = ./src;
       pkgs = [ "duplicity" ];
     };
-    bt-add = pythonWithLib {
+    bt-add = static-nix-shell.mkPython3Bin {
       pname = "sane-bt-add";
       src = ./src;
       pkgs = [ "transmission" ];
+      pyPkgs = [ "sane-lib.bt" ];
     };
     bt-rm = pythonWithLib {
       pname = "sane-bt-rm";
       src = ./src;
       pkgs = [ "transmission" ];
+      pyPkgs = [ "sane-lib.bt" ];
     };
     bt-search = static-nix-shell.mkPython3Bin {
       pname = "sane-bt-search";
@@ -215,7 +230,9 @@ in
 symlinkJoin {
   name = "sane-scripts";
   paths = lib.attrValues nix-shell-scripts;
-  passthru = nix-shell-scripts;
+  passthru = nix-shell-scripts // {
+    lib = sane-lib;
+  };
   meta = {
     description = "collection of scripts associated with sane systems";
     homepage = "https://git.uninsane.org";

pkgs/additional/sane-scripts/src/lib/bt/setup.py

@@ -0,0 +1,9 @@
+#!/usr/bin/env python
+
+from distutils.core import setup
+
+setup(
+    name='sane-lib-bt',
+    version='0.1.0',
+    description='utilities for sane-scripts',
+)

pkgs/additional/sane-scripts/src/sane-bt-add

@@ -1,13 +1,10 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i python3 -p "python3.withPackages (ps: [  ])" -p transmission
+#!nix-shell -i python3 -p "python3.withPackages (ps: [ ps.sane-lib.bt ])" -p transmission
 # vim: set filetype=python :
 
 import argparse
-import sys
 
-sys.path.insert(0, ".")  # to import `lib`
-
-from lib.sane_torrent import MediaMeta, TransmissionApi
+from sane_bt import MediaMeta, TransmissionApi
 
 
 def main():

pkgs/additional/sane-scripts/src/sane-bt-rm

@@ -1,15 +1,12 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i python3 -p "python3.withPackages (ps: [  ])" -p transmission
+#!nix-shell -i python3 -p "python3.withPackages (ps: [ ps.sane-lib.bt ])" -p transmission
 # vim: set filetype=python :
 
 # removes a torrent and trashes its data
 
 import argparse
-import sys
 
-sys.path.insert(0, ".")  # to import `lib`
-
-from lib.sane_torrent import TransmissionApi
+from sane_bt import TransmissionApi
 
 
 def main():

pkgs/python-packages/default.nix

@@ -1,4 +1,5 @@
 { callPackage }:
 {
   feedsearch-crawler = callPackage ./feedsearch-crawler { };
+  sane-lib = (callPackage ../additional/sane-scripts { }).lib;
 }