[qutebrowser] add printing to pdf

Use command page-to-pdf or shortcut gp to print current page to pdf and
save it to default download directory.

Fixes #66

.config/qutebrowser/config.py

@@ -125,6 +125,11 @@ config.bind(leader + 'bs', 'add-shaarli', mode='normal')
 c.aliases["archive-open"] = "open https://web.archive.org/web/{url}"
 config.bind(leader + 'ba', 'archive-open', mode='normal')
 
+# save current page to pdf file
+c.aliases["printpdf"] = "spawn --userscript pagetopdf.sh"
+# set to gp, to mirror gd (download) just as go-Pdfdownload
+config.bind('gp', 'printpdf', mode='normal')
+
 # set stylesheets for the browser to use
 # leader - ss to remove all applied stylesheets
 config.bind(leader + 'ss', 'set content.user_stylesheets ""')

.local/share/qutebrowser/userscripts/pagetopdf.sh

@@ -0,0 +1,10 @@
+#! /usr/bin/bash
+# Download current page as pdf file
+
+# use title of current page / selected text as filename
+filename=${QUTE_SELECTED_TEXT:-$QUTE_TITLE}
+# revert to default name if nothing else is set; remove special chars
+filename=$(echo ${filename:-downloaded.pdf} | sed 's/[<>,/]/_/g')
+
+# print to pdf
+echo "print --pdf '$QUTE_DOWNLOAD_DIR/${1:-$filename}.pdf'" >>"$QUTE_FIFO"