org-zotero-export

overlays/default.nix

@@ -3,5 +3,5 @@ let
   packages = import ../pkgs { pkgs = prev; };
 in
 {
-  inherit (packages) example-a example-b pyzotero pyzotero-cli;
+  inherit (packages) example-a example-b pyzotero pyzotero-cli khal-export org-zotero-export;
 }

pkgs/default.nix

@@ -7,6 +7,8 @@ let
     pyzotero-cli = pkgs.callPackage ./pyzotero-cli {
       pyzotero = self.pyzotero;
     };
+    khal-export = pkgs.callPackage ./khal-export { };
+    org-zotero-export = pkgs.callPackage ./org-zotero-export { };
   };
 in
 self // { default = self.example-a; }

pkgs/khal-export/default.nix

@@ -0,0 +1,33 @@
+{
+  lib,
+  khal,
+  python3Packages,
+}:
+
+python3Packages.buildPythonApplication {
+  pname = "khal-export";
+  version = "0.1.0";
+  format = "other";
+
+  src = ./.;
+
+  dontUnpack = true;
+  dontBuild = true;
+
+  propagatedBuildInputs = [
+    khal
+    python3Packages.click
+    python3Packages.icalendar
+  ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    install -Dm755 ${./khal-export.py} $out/bin/khal-export
+  '';
+
+  meta = {
+    description = "Export multiple events from khal in .ics format";
+    platforms = lib.platforms.all;
+    mainProgram = "khal-export";
+  };
+}

pkgs/khal-export/khal-export.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+from datetime import datetime
+
+import click
+from khal.settings import get_config
+from khal.cli import build_collection
+from icalendar import Calendar
+
+
+@click.command()
+@click.option('--search', 'search_string')
+@click.option('--allow-past/--future-only', default=False)
+def main(search_string, allow_past):
+    conf = get_config(None)
+    collection = build_collection(conf, None)
+    now = conf['locale']['local_timezone'].localize(datetime.now())
+
+    vevents = [
+        Calendar.from_ical(event.raw)
+        for event in sorted(collection.search(search_string))
+        if (
+            allow_past
+            or event.allday and event.end >= now.date()
+            or not event.allday and event.end_local >= now
+        )
+    ]
+    event_collection = Calendar(next(iter(vevents), {}))
+    for event in vevents:
+        for component in event.subcomponents:
+            event_collection.add_component(component)
+
+    click.echo(event_collection.to_ical())
+
+
+if __name__ == '__main__':
+    main()

pkgs/org-zotero-export/default.nix

@@ -0,0 +1,36 @@
+{
+  lib,
+  stdenv,
+  python3,
+  pandoc,
+  makeWrapper,
+}:
+
+stdenv.mkDerivation {
+  pname = "org-zotero-export";
+  version = "0.1.0";
+
+  src = ./.;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    mkdir -p $out/bin
+    substitute ${./org-zotero-export.py} $out/bin/org-zotero-export \
+      --replace-fail "#!/usr/bin/env python3" "#!${python3}/bin/python3"
+    chmod +x $out/bin/org-zotero-export
+  '';
+
+  postFixup = ''
+    wrapProgram $out/bin/org-zotero-export \
+      --prefix PATH : ${lib.makeBinPath [ pandoc ]}
+  '';
+
+  meta = {
+    description = "Export Org-mode files to HTML with Zotero Better BibTeX citation links";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.all;
+  };
+}