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+CUPS pdf postprocess
+====================
+
+This is a simple utility acting as postprocesor of cups-pdf virtual printer.
+
+Requirements
+------------
+
+- Python 3 (should be trivial to modify for Python 2)
+
+- PyQt5
+
+
+Setup
+-----
+
+This script can be use either directly (e.g. via context menu) or through cups-pdf.
+
+First copy file `cups-pdf-postprocess.sh` and edit it for your needs. When invoked by
+cups, the script does not have any knowledge about running X, so you have to
+set atleast `DISPLAY` (and probaly also `XAUTHORITY`) variable. Also you can specify
+list of your custom printer in here-document at end of file.
+
+Syntax is `("name of printer", ["command", "first argument"]),` (it will be
+interpreted as part of Python list literal). There will be appended aditional
+`lp`-like parameters when acually executing command.
+
+To use it through cups, install pdf-cups, setup a new virtual printer and
+then modify `/etc/cups/cups-pdf.conf`:
+```
+PostProcessing /path/to/cups-pdf-postprocess-your-wrapper.sh
+```
+
+To add the script into context menu soft-link cups-pdf-postprocess-your-wrapper.desktop
+into appropriate place for your desktop enviroment (in case of KDE4 this is
+`~/.kde4/share/kde4/services/ServiceMenus`). You may need to copy it and fix path
+to shell wrapper.
+