Merge pull request #39 from xquiet/master

Add support to i18n localization

.gitignore

@@ -42,7 +42,6 @@ coverage.xml
 
 # Translations
 *.mo
-*.pot
 
 # Django stuff:
 *.log

EXTRAS

@@ -0,0 +1,8 @@
+# create the pot file from the source code
+xgettext --from-code=UTF-8 --keyword=translatable --keyword=_ --sort-output innstereo/*.{py,glade} -o po/innstereo.pot
+
+# to start a new localization
+msginit --locale=$LANG --input=innstereo.pot
+
+# to compile the po thus build mo
+msgfmt -o po/it_IT.UTF-8.mo po/it_IT.UTF-8.po

innstereo/dialog_windows.py

@@ -383,7 +383,7 @@ def __init__(self, run_file_parser, main_window):
         self.dialog = self.builder.get_object("filechooserdialog_parse")
         self.dialog.set_transient_for(main_window)
         self.filefilters = self.builder.get_object("filefilter_parse")
-        self.filefilters.set_name("Text Files")
+        self.filefilters.set_name(_("Text Files"))
         self.dialog.add_filter(self.filefilters)
         self.run_file_parser = run_file_parser
         self.builder.connect_signals(self)
@@ -716,7 +716,7 @@ def __init__(self, main_window, open_project):
         self.dialog.add_filter(filter_json)
         filter_all = Gtk.FileFilter()
         filter_all.add_pattern("*")
-        filter_all.set_name("All Files")
+        filter_all.set_name(_("All Files"))
         self.dialog.add_filter(filter_all)
         self.open_project = open_project
         self.builder.connect_signals(self)

innstereo/gui_layout.glade

@@ -39,7 +39,8 @@ Author: Tobias Schönberg
 In Preperation (2015)</property>
     <property name="website">http://innstereo.github.io</property>
     <property name="website_label" translatable="yes">http://innstereo.github.io</property>
-    <property name="authors">Tobias Schönberg</property>
+    <property name="authors">Tobias Schönberg
+Matteo Pasotti</property>
     <property name="logo">logo_about.svg</property>
     <property name="license_type">gpl-2-0</property>
     <signal name="close" handler="on_aboutdialog_close" swapped="no"/>

innstereo/i18n.py

@@ -0,0 +1,79 @@
+#==============================================================================#
+#                                   InnStereo                                  #
+#                                                                              #
+#    Copyright (c)  2012-2015 Matteo Pasotti <matteo.pasotti@gmail.com>        #
+#                                                                              #
+#                                                                              #
+#    This file was originally part of OpenStereoNet (fork of OpenStereo).      #
+#    This file is part of InnStereo since July 2015                            #
+#    InnStereo is free software: you can redistribute it and/or modify         #
+#    it under the terms of the GNU General Public License as published by      #
+#    the Free Software Foundation, either version 2 of the License, or         #
+#    (at your option) any later version.                                       #
+#                                                                              #
+#    InnStereo is distributed in the hope that it will be useful,              #
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of            #
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             #
+#    GNU General Public License for more details.                              #
+#                                                                              #
+#    You should have received a copy of the GNU General Public License         #
+#    along with InnStereo.  If not, see <http://www.gnu.org/licenses/>.        #
+#==============================================================================#
+# -*- coding: utf-8 -*-
+
+import os, sys
+import locale
+import gettext
+
+class i18n:
+  app_name = ""
+  language = None
+
+  def __init__(self):
+    #  The translation files will be under
+    #  @locale_dir@/@LANGUAGE@/LC_MESSAGES/@app_name@.mo
+    self.app_name = "innstereo"
+
+    #app_dir = os.getcwd()
+    app_dir = os.path.dirname(os.path.abspath(os.path.dirname(__file__)))
+    locale_dir = os.path.join(app_dir, 'po') 
+    # .mo files will then be located in APP_Dir/po/LANGUAGECODE/LC_MESSAGES/
+
+    # Now we need to choose the language. We will provide a list, and gettext
+    # will use the first translation available in the list
+    #
+    default_languages = os.environ.get('LANG', '').split(':')
+    default_languages += ['en_US']
+
+    lc, encoding = locale.getdefaultlocale()
+    if lc:
+        languages = [lc]
+
+    # Concat all languages (env + default locale),
+    #  and here we have the languages and location of the translations
+    languages += default_languages
+    mo_location = locale_dir
+
+    kwargs = {}
+    if sys.version < '3':
+        kwargs['unicode'] = 1
+    gettext.install(True,localedir=None,**kwargs)
+
+    gettext.find(self.app_name, mo_location)
+
+    locale.bindtextdomain(self.app_name, locale_dir)
+
+    gettext.bindtextdomain (self.app_name, locale_dir)
+
+    gettext.textdomain (self.app_name)
+
+    #gettext.bind_textdomain_codeset(self.app_name, "UTF-8")
+
+    self._language = gettext.translation(self.app_name, mo_location, languages = languages, fallback = True)
+
+  def language(self):
+    return self._language
+
+  def get_ts_domain(self):
+    return self.app_name
+

innstereo/layer_types.py

@@ -1053,7 +1053,7 @@ def __init__(self, treestore, treeview):
         """
         PlaneLayer.__init__(self, treestore, treeview)
         self.props["type"] = "line"
-        self.props["label"] = "Linear layer"
+        self.props["label"] = _("Linear layer")
         self.props["page"] = 1
 
     def get_pixbuf(self):
@@ -1092,7 +1092,7 @@ def __init__(self, treestore, treeview):
         """
         PlaneLayer.__init__(self, treestore, treeview)
         self.props["type"] = "eigenvector"
-        self.props["label"] = "Eigenvector layer"
+        self.props["label"] = _("Eigenvector layer")
         self.props["page"] = 1
 
     def get_pixbuf(self):
@@ -1130,5 +1130,5 @@ def __init__(self, treestore, treeview):
         """
         PlaneLayer.__init__(self, treestore, treeview)
         self.props["type"] = "smallcircle"
-        self.props["label"] = "Small circle layer"
+        self.props["label"] = _("Small circle layer")
 

innstereo/layer_view.py

@@ -55,7 +55,7 @@ def __init__(self, store):
 
         self.renderer_name = Gtk.CellRendererText(weight=700,
                                                   weight_set=True)
-        self.column_name = Gtk.TreeViewColumn("Layer",
+        self.column_name = Gtk.TreeViewColumn(_("Layer"),
                                               self.renderer_name, text=2)
         self.column_name.set_min_width(100)
         self.renderer_name.set_property("editable", True)

innstereo/main_ui.py

@@ -40,6 +40,9 @@
 from .rotation_dialog import RotationDialog
 from .viridis import viridis
 
+from .i18n import i18n
+
+_ = i18n().language().gettext
 
 class MainWindow(object):
 
@@ -194,13 +197,13 @@ def add_fisher_confidence(signal, entry_conf, tb_fisher, pom_fisher):
         hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0,
                        border_width=10)
         row_conf.add(hbox)
-        label_conf = Gtk.Label("Fisher Confidence", xalign=0)
+        label_conf = Gtk.Label(_("Fisher Confidence"), xalign=0)
         hbox.pack_start(label_conf, True, True, 3)
         entry_conf = Gtk.Entry(width_chars=3, max_width_chars=3, text="95")
         hbox.pack_start(entry_conf, False, False, 3)
         lb_fisher.add(row_conf)
 
-        btn_calc = Gtk.Button("Calculate")
+        btn_calc = Gtk.Button(_("Calculate"))
         row_btn = Gtk.ListBoxRow()
         box = Gtk.Box()
         box.pack_start(btn_calc, True, True, 0)
@@ -2612,7 +2615,7 @@ def push_stereo_coordinates(mpl_event):
             self.statbar.push(1, ("{0} / {1}".format(alpha_deg, gamma_deg)))
 
         def push_rose_coordinates(mpl_event):
-            self.statbar.push(1, ("Rose Diagram"))
+            self.statbar.push(1, (_("Rose Diagram")))
 
         def push_mpl_event(mpl_event):
             title = mpl_event.inaxes.get_title()
@@ -2826,6 +2829,8 @@ def startup():
     rel_path = "gui_layout.glade"
     abs_path = os.path.join(script_dir, rel_path)
 
+    builder.set_translation_domain(i18n().get_ts_domain())
+
     objects = builder.add_objects_from_file(abs_path,
          ("main_window", "image_new_plane", "image_new_faultplane",
          "image_new_line", "image_new_fold", "image_plane_intersect",