Added checking capabilities for the needed programs

data/interface/wneeded.ui

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.16.1 -->
+<interface>
+  <requires lib="gtk+" version="3.10"/>
+  <object class="GtkTextBuffer" id="textbuffer"/>
+  <object class="GtkDialog" id="needed">
+    <property name="width_request">640</property>
+    <property name="height_request">350</property>
+    <property name="can_focus">False</property>
+    <property name="type_hint">dialog</property>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox1">
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">2</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area1">
+            <property name="can_focus">False</property>
+            <property name="layout_style">center</property>
+            <child>
+              <object class="GtkButton" id="button1">
+                <property name="label">gtk-ok</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <object class="GtkLabel" id="label1">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">4</property>
+                <property name="margin_bottom">4</property>
+                <property name="label" translatable="yes">Programs needed for Devede NG</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkScrolledWindow" id="scrolledwindow1">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="shadow_type">in</property>
+                <child>
+                  <object class="GtkTextView" id="textview1">
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="editable">False</property>
+                    <property name="cursor_visible">False</property>
+                    <property name="buffer">textbuffer</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="0">button1</action-widget>
+    </action-widgets>
+  </object>
+</interface>

data/interface/wselect_disk.ui

@@ -4,6 +4,7 @@
   <requires lib="gtk+" version="3.10"/>
   <object class="GtkWindow" id="wselect_disk">
     <property name="can_focus">False</property>
+    <property name="title" translatable="yes">Devede NG</property>
     <property name="resizable">False</property>
     <property name="modal">True</property>
     <property name="window_position">center</property>
@@ -311,6 +312,33 @@ Creates H.264 files in a MKV container</property>
             <property name="position">6</property>
           </packing>
         </child>
+        <child>
+          <object class="GtkButtonBox" id="buttonbox1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <property name="layout_style">start</property>
+            <child>
+              <object class="GtkButton" id="programs_needed">
+                <property name="label" translatable="yes">Programs needed by Devede NG</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="on_programs_needed_clicked" swapped="no"/>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">7</property>
+          </packing>
+        </child>
       </object>
     </child>
   </object>

data/interface/wsettings.ui

@@ -359,7 +359,7 @@
                           </object>
                           <packing>
                             <property name="left_attach">0</property>
-                            <property name="top_attach">4</property>
+                            <property name="top_attach">5</property>
                             <property name="width">1</property>
                             <property name="height">1</property>
                           </packing>
@@ -376,6 +376,32 @@
                               </attributes>
                             </child>
                           </object>
+                          <packing>
+                            <property name="left_attach">1</property>
+                            <property name="top_attach">5</property>
+                            <property name="width">1</property>
+                            <property name="height">1</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <object class="GtkLabel" id="label10">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="margin_right">4</property>
+                            <property name="label" translatable="yes">Disc types supported:</property>
+                          </object>
+                          <packing>
+                            <property name="left_attach">0</property>
+                            <property name="top_attach">4</property>
+                            <property name="width">1</property>
+                            <property name="height">1</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <object class="GtkLabel" id="disc_types_supported">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                          </object>
                           <packing>
                             <property name="left_attach">1</property>
                             <property name="top_attach">4</property>

src/devede/choose_disc_type.py

@@ -17,11 +17,12 @@
 
 from gi.repository import Gtk,GObject
 import os
+import subprocess
 
 import devede.configuration_data
 
 class choose_disc_type(GObject.GObject):
-    
+
     def __init__(self):
 
         self.config  = devede.configuration_data.configuration.get_config()
@@ -32,8 +33,72 @@ class choose_disc_type(GObject.GObject):
         builder.add_from_file(os.path.join(self.config.glade,"wselect_disk.ui"))
         builder.connect_signals(self)
         self.wask_window = builder.get_object("wselect_disk")
+
+        self.cv = devede.converter.converter.get_converter()
+        dvd = True
+        vcd = True
+        cvd = True
+        svcd = True
+        divx = True
+        mkv = True
+        analizers, players, converters, menuers, burners = self.cv.get_needed_programs()
+
+        if (analizers != None) or (converters != None):
+            dvd = False
+            vcd = False
+            cvd = False
+            svcd = False
+            divx = False
+            mkv = False
+
+        if menuers != None:
+            dvd = False
+
+        if self.check_program(["dvdauthor","--help"]) == False:
+            dvd = False
+        if self.check_program(["mkisofs","--help"]) == False:
+            dvd = False
+        if self.check_program(["vcdimager","--help"]) == False:
+            vcd = False
+            svcd = False
+            cvd = False
+        if self.check_program(["spumux" , "--help"]) == False:
+            dvd = False
+            vcd = False
+            svcd = False
+            cvd = False
+
+        if self.cv.discs.count("dvd") == 0:
+            dvd = False
+        if self.cv.discs.count("vcd") == 0:
+            vcd = False
+        if self.cv.discs.count("svcd") == 0:
+            svcd = False
+        if self.cv.discs.count("cvd") == 0:
+            cvd = False
+        if self.cv.discs.count("divx") == 0:
+            divx = False
+        if self.cv.discs.count("mkv") == 0:
+            mkv = False
+
+        builder.get_object("button_dvd").set_sensitive(dvd)
+        builder.get_object("button_vcd").set_sensitive(vcd)
+        builder.get_object("button_svcd").set_sensitive(svcd)
+        builder.get_object("button_cvd").set_sensitive(cvd)
+        builder.get_object("button_divx").set_sensitive(divx)
+        builder.get_object("button_mkv").set_sensitive(mkv)
+
         self.wask_window.show_all()
 
+    def check_program(self,command_line):
+        try:
+            handle = subprocess.Popen(command_line, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
+            (stdout, stderr) = handle.communicate()
+            retval = handle.wait()
+            return True
+        except:
+            return False
+
     def set_type(self,disc_type):
         
         self.config.set_disc_type(disc_type)
@@ -64,3 +129,78 @@ class choose_disc_type(GObject.GObject):
     def on_button_mkv_clicked(self,b):
 
         self.set_type("mkv")
+
+    def on_programs_needed_clicked(self,b):
+
+        builder = Gtk.Builder()
+        builder.set_translation_domain(self.config.gettext_domain)
+        builder.add_from_file(os.path.join(self.config.glade,"wneeded.ui"))
+        window = builder.get_object("needed")
+        textbuf = builder.get_object("textbuffer")
+
+        window.show_all()
+
+        analizers, players, menuers, converters, burners = self.cv.get_supported_programs()
+        analizers_i, players_i, menuers_i, converters_i, burners_i = self.cv.get_available_programs()
+
+        text = ""
+        for e in analizers:
+            if analizers_i.count(e.display_name) == 0:
+                text += _("\t%(program_name)s (not installed)\n") % {"program_name": e.display_name}
+            else:
+                text += _("\t%(program_name)s (installed)\n") % {"program_name": e.display_name}
+        text1 = _("Movie identifiers (install at least one of these):\n\n%(program_list)s\n") % {"program_list" : text}
+
+        text = ""
+        for e in players:
+            if players_i.count(e.display_name) == 0:
+                text += _("\t%(program_name)s (not installed)\n") % {"program_name": e.display_name}
+            else:
+                text += _("\t%(program_name)s (installed)\n") % {"program_name": e.display_name}
+        text2 = _("Movie players (install at least one of these):\n\n%(program_list)s\n") % {"program_list" : text}
+
+        text = ""
+        for e in converters:
+            sup = ""
+            for s in e.disc_types:
+                if sup != "":
+                    sup += ", "
+                sup += s
+            if converters_i.count(e.display_name) == 0:
+                text += _("\t%(program_name)s (not installed)\n") % {"program_name": e.display_name + " ("+sup+")"}
+            else:
+                text += _("\t%(program_name)s (installed)\n") % {"program_name": e.display_name + " ("+sup+")"}
+        text3 = _("Movie Converters (install at least one of these):\n\n%(program_list)s\n") % {"program_list" : text}
+
+        text = ""
+        for e in burners:
+            if burners_i.count(e.display_name) == 0:
+                text += _("\t%(program_name)s (not installed)\n") % {"program_name": e.display_name}
+            else:
+                text += _("\t%(program_name)s (installed)\n") % {"program_name": e.display_name}
+        text4 = _("CD/DVD burners (install at least one of these):\n\n%(program_list)s\n") % {"program_list" : text}
+
+        text = ""
+        if self.check_program(["dvdauthor","--help"]) == False:
+            text += _("\t%(program_name)s (not installed)\n") % {"program_name": "DVDAUTHOR (dvd)"}
+        else:
+            text += _("\t%(program_name)s (installed)\n") % {"program_name":  "DVDAUTHOR (dvd)"}
+        if self.check_program(["mkisofs","--help"]) == False:
+            text += _("\t%(program_name)s (not installed)\n") % {"program_name": "MKISOFS/GENISOIMAGE (dvd)"}
+        else:
+            text += _("\t%(program_name)s (installed)\n") % {"program_name":  "MKISOFS/GENISOIMAGE (dvd)"}
+        if self.check_program(["vcdimager","--help"]) == False:
+            text += _("\t%(program_name)s (not installed)\n") % {"program_name": "VCDIMAGER (vcd, svcd, cvd)"}
+        else:
+            text += _("\t%(program_name)s (installed)\n") % {"program_name":  "VCDIMAGER (vcd, svcd, cvd)"}
+        if self.check_program(["spumux" , "--help"]) == False:
+            text += _("\t%(program_name)s (not installed)\n") % {"program_name": "SPUMUX (dvd, vcd, svcd, cvd)"}
+        else:
+            text += _("\t%(program_name)s (installed)\n") % {"program_name":  "SPUMUX (dvd, vcd, svcd, cvd)"}
+
+        text5 = _("Other programs:\n\n%(program_list)s\n") % {"program_list" : text}
+
+        final_text = text1+text2+text3+text4+text5
+        textbuf.insert_at_cursor(final_text,len(final_text))
+        window.run()
+        window.destroy()

src/devede/converter.py

@@ -80,6 +80,28 @@ class converter:
                 if (self.default_burner == None):
                     self.default_burner = element
 
+    def get_supported_programs(self):
+
+        analizers = []
+        players = []
+        converters = []
+        menuers = []
+        burners = []
+
+        for element in self.c:
+            if (element.supports_analize):
+                analizers.append(element)
+            if (element.supports_play):
+                players.append(element)
+            if (element.supports_convert):
+                converters.append(element)
+            if (element.supports_menu):
+                menuers.append(element)
+            if (element.supports_burn):
+                burners.append(element)
+
+        return (analizers, players, menuers, converters, burners)
+
     def get_available_programs(self):
 
         players = []
@@ -183,7 +205,11 @@ class converter:
             if converter.disc_types.count(self.config.disc_type) != 0:
                 return converter
         return None
-            
+
+    def get_disc_converter_by_name(self,name):
+        if name in self.converters:
+            return self.converters[name]
+        return None
 
     def get_burner(self):
         """ returns a class for the desired burner, or the most priviledged if the desired is not installed """

src/devede/settings.py

@@ -72,23 +72,25 @@ class settings_window(devede.interface_manager.interface_manager):
 
         self.add_combobox("analizer", analizers,self.config.film_analizer)
         self.add_combobox("player", players,self.config.film_player)
-        self.add_combobox("converter", converters,self.config.film_converter)
+        self.add_combobox("converter", converters,self.config.film_converter,self.set_data_converter)
         self.add_combobox("menuer", menuers,self.config.menu_converter)
         self.add_combobox("burner", burners, self.config.burner)
 
-        builder = Gtk.Builder()
-        builder.set_translation_domain(self.config.gettext_domain)
-
-        builder.add_from_file(os.path.join(self.config.glade,"wsettings.ui"))
-        builder.connect_signals(self)
-        wsettings_window = builder.get_object("settings")
+        self.builder = Gtk.Builder()
+        self.builder.set_translation_domain(self.config.gettext_domain)
 
+        self.builder.add_from_file(os.path.join(self.config.glade,"wsettings.ui"))
+        self.builder.connect_signals(self)
+        wsettings_window = self.builder.get_object("settings")
+        self.wconverter = self.builder.get_object("converter")
+        self.wtypes = self.builder.get_object("disc_types_supported")
 
         wsettings_window.show_all()
-        self.update_ui(builder)
+        self.update_ui(self.builder)
+        self.set_data_converter(None)
 
         retval = wsettings_window.run()
-        self.store_ui(builder)
+        self.store_ui(self.builder)
         wsettings_window.destroy()
 
         if retval == 1:
@@ -100,3 +102,18 @@ class settings_window(devede.interface_manager.interface_manager):
             self.config.menu_converter = self.menuer
             self.config.burner = self.burner
             self.config.save_config()
+
+    def set_data_converter(self,b):
+
+        self.store_ui(self.builder)
+        cv = devede.converter.converter.get_converter()
+        cv2 = cv.get_disc_converter_by_name(self.converter)
+        data = ""
+        for t in cv2.disc_types:
+            if data != "":
+                data += ", "
+            data += t
+        if data != "":
+            self.wtypes.set_text(data)
+        else:
+            self.wtypes.set_text(_("No discs supported"))

src/devede_ng.py

@@ -47,7 +47,6 @@ Gtk.init(sys.argv)
 
 mwindow = devede.project.devede_project()
 ask_type = devede.choose_disc_type.choose_disc_type()
-# this allows to check the availability of all the programs needed for Devede
-devede.converter.converter.get_converter()
+
 Gtk.main()
 config_data.save_config()