diff --git a/.gitignore b/.gitignore
index a142f2c..231a950 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@ photobooth.egg-info
 *.log.20??-??-??
 print_*.pdf
 20??-??-??
+build
+dist
diff --git a/photobooth/locale/messages.pot b/photobooth/locale/messages.pot
new file mode 100644
index 0000000..b388ac2
--- /dev/null
+++ b/photobooth/locale/messages.pot
@@ -0,0 +1,267 @@
+# Translations template for photobooth.
+# Copyright (C) 2018 ORGANIZATION
+# This file is distributed under the same license as the photobooth project.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2018.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: photobooth 0.4.dev34+gcecdf5b.d20180803\n"
+"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
+"POT-Creation-Date: 2018-08-03 10:06+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.6.0\n"
+
+#: photobooth/gui/Qt5Gui/Frames.py:50
+msgid "Start photobooth"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:53
+msgid "Set date/time"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:56
+msgid "Settings"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:59
+msgid "Quit"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:68
+msgid "photobooth"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:87
+msgid "Hit the"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:88
+msgid "Button!"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:111
+msgid "Get ready!"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:112
+msgid "Start countdown"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:116
+msgid "for {} pictures..."
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:148
+msgid "Picture {} of {}..."
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:342
+msgid "Start over"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:351
+msgid "Happy?"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:383
+msgid "Date:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:384
+msgid "Time:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:387
+msgid "Set system date and time:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:396 photobooth/gui/Qt5Gui/Frames.py:486
+msgid "Save and restart"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:400 photobooth/gui/Qt5Gui/Frames.py:490
+msgid "Cancel"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:472
+msgid "Interface"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:473
+msgid "Photobooth"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:474
+msgid "Camera"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:475
+msgid "Picture"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:476
+msgid "Storage"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:477
+msgid "GPIO"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:478
+msgid "Printer"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:494
+msgid "Restore defaults"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:553
+msgid "Enable fullscreen:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:554
+msgid "Gui module:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:555
+msgid "Window size [px]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:556
+msgid "Hide cursor:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:557
+msgid "Appearance:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:597
+msgid "Show preview during countdown:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:598
+msgid "Greeter time before countdown [s]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:599
+msgid "Countdown time [s]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:600
+msgid "Picture display time [s]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:601
+msgid "Postprocess timeout [s]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:602
+msgid "Overwrite displayed error message:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:617
+msgid "Camera module:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:681 photobooth/gui/Qt5Gui/Frames.py:684
+msgid "Select file"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:692
+msgid "Number of shots per picture:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:693
+msgid "Size of assembled picture [px]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:694
+msgid "Min. distance between shots [px]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:695
+msgid "Omit last picture:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:696
+msgid "Background image:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:717 photobooth/gui/Qt5Gui/Frames.py:721
+msgid "Select directory"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:729
+msgid "Output directory (strftime possible):"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:730
+msgid "Basename of files (strftime possible):"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:731
+msgid "Keep single shots:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:781
+msgid "Enable GPIO:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:782
+msgid "Exit button pin (BCM numbering):"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:783
+msgid "Trigger button pin (BCM numbering):"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:784
+msgid "Idle lamp pin (BCM numbering):"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:785
+msgid "RGB LED pins (BCM numbering):"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:826
+msgid "Enable printing:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:827
+msgid "Module:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:828
+msgid "Print to PDF (for debugging):"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:829
+msgid "Ask for confirmation before printing:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/Frames.py:830
+msgid "Paper size [mm]:"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/PyQt5Gui.py:164
+msgid "Starting the photobooth..."
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/PyQt5Gui.py:214
+msgid "Processing picture..."
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/PyQt5Gui.py:286
+msgid "Confirmation"
+msgstr ""
+
+#: photobooth/gui/Qt5Gui/PyQt5Gui.py:287
+msgid "Quit Photobooth?"
+msgstr ""
+
diff --git a/setup.py b/setup.py
index c3b66e9..bf59dcc 100644
--- a/setup.py
+++ b/setup.py
@@ -176,7 +176,7 @@ setup(
         'pyqt': ['PyQt5'],
         'picamera': ['picamera'],
         'gphoto2-cffi': ['gphoto2-cffi'],
-        'dev': ['setuptools', 'wheel', 'twine', ],
+        'dev': ['setuptools', 'wheel', 'twine', 'Babel',],
     },
 
     python_requires='>=3.5',