Add translations files from zanata to the repository

Build .mo files and include them into bdist

MANIFEST.in

@@ -2,3 +2,5 @@ include README.rst LICENSE.txt
 include examples/*.svg
 include documentation/presentation.odp
 include inkex/*.txt
+include po/*
+include scripts/boxes2pot scripts/boxes2inkscape

po/readme.txt

@@ -1,4 +1,15 @@
-This directory contains the translation files. They are not checked in the
+This directory contains the translation files.
-git repository, though. The boxes.py.pot file gets generated from the sources
+
+boxes.py.pot file gets generated from the sources
 and the actual translations are kept in Zanata:
 https://translate.zanata.org/iteration/view/boxes.py/master
+
+use
+
+zanata-cli pull
+
+to get the new translations and
+
+zanata-cli push
+
+to put the .pot file on the server

po/zanata.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<config xmlns="http://zanata.org/namespace/config/">
+  <url>https://translate.zanata.org/</url>
+  <project>boxes.py</project>
+  <project-version>master</project-version>
+  <project-type>gettext</project-type>
+
+</config>

setup.py

@@ -25,17 +25,31 @@ class CustomBuildExtCommand(build_py):
             "xgettext -L Python -j -o po/boxes.py.pot",
             "boxes/*.py scripts/boxesserver scripts/boxes"))
 
+    def generate_mo_files(self):
+        pos = glob.glob("po/*.po")
+
+        for po in pos:
+            lang = po.split(os.sep)[1][:-3].replace("-", "_")
+            try:
+                os.makedirs(os.path.join("locale", lang, "LC_MESSAGES"))
+            except FileExistsError:
+                pass
+            os.system("msgfmt %s -o locale/%s/LC_MESSAGES/boxes.py.mo" % (po, lang))
+            self.distribution.data_files.append(
+                (os.path.join("share", "locales", lang, "LC_MESSAGES"),
+                 [os.path.join("locales", lang, "LC_MESSAGES", "boxes.py.mo")]))
+
     def run(self):
+        if self.distribution.data_files is None:
+            self.distribution.data_files = []
         self.execute(self.updatePOT, ())
+        self.execute(self.generate_mo_files, ())
         self.execute(self.buildInkscapeExt, ())
         try:
             path = check_output(["inkscape", "-x"]).decode().strip()
             if not os.access(path, os.W_OK): # Can we install globaly
                 # Not tested on Windows and Mac
                 path = os.path.expanduser("~/.config/inkscape/extensions")
-
-            if self.distribution.data_files is None:
-                self.distribution.data_files = []
             self.distribution.data_files.append(
                 (path,
                  [i for i in glob.glob(os.path.join("inkex", "*.inx"))]))