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Checking if a DISPLAY is set

In PyGTK 2.8.x and earlier you could use the following code to determine if the DISPLAY is set or not:

   1 try:
   2     import gtk
   3 except ImportError, e:
   4     ...

That will not work in PyGTK 2.10 because the ImportError was made into a warning, so instead you'd have to make all warnings raise an exception in gtk module to be able to easily catch this error:

   1 import warnings
   2 warnings.filterwarnings('error', module='gtk')
   3 try:
   4     import gtk
   5 except Warning, e:
   6     print e
   7 warnings.resetwarnings()

ChangeLog

Detailed information about each release

2.9.0

• Remove gobject, pygobject is now a hard dependency

• Set encoding in pango instead of gtk (328031)

• Wrap gdk.Screen.get_rgba_colormap/get_rgbma_visual (328996, MarcoCabizza)

• Remove private gtk wrappers (321476)

• Add a bunch of missing wrappers (316881, JohnFinlay)

• Add inout support in reverse wrappers (335964, GustavoCarneiro)

• Update h2defs to allow whitespace before parenthesis (317124)

• Make it possible to reimplement interfaces (334986, GustavoCarneiro)

• Allow log_handler to be called when python is not initialized (334188, GustavoCarneiro)

• Support for const object args (wollny@cbs.mpg.de, Gustavo)

• Export pygtk tree model api (318021, GustavoCarneiro)

• Allow overrides to be in base classes (327715, GustavoCarneiro)

• Wrap a pango cairo font options acecssors (328108, RauliRuohonen)

• Add GDK_PARENT_RELATIVE relative handling (320248, Johan, NikosKouremenos)

• Improve pixbuf demo (327931, Ben Caradoc-Davies)

• Set default markup accel marker to \x00 (329658, Johan, JohanSvedberg)

• Set 1 as default argument to SpinButton.spin() (325452, SebastianRittau)

• Wrap gdk.Drawable.gdk_draw_indexed_image (333431, Johan, HamishMoffatt)

• Mark rowreference.free() as deprecated (309811, GustavoCarneiro)

• Rename name of first keyword argument to pango.LayoutLine.index_to_x (316581, GustavoCarneiro, JohnFinlay)

• Run reindent on all python code (325320, JohanDahlin)

• Improve generictreemodel example (311459, StevenKennedy)

• Wrap gdk.Pixbuf.rotate_simple (314164, KarelVervaeke)

• Use in argument in gtk.TreeView.cell_get_size (JohnEhresman)

2.9.1

• Allow gtk.TreeSortable.set_default_sort_func callback to be None (JohanDahlin, PatrickO'Brien)

• Add API to unset the g_log handlers ((323786), JohanDahlin)

• Allow the gtk module to be imported without DISPLAY ((316877), JohanDahlin)

• Code cleanup and fixes considering Coverity reports (JohanDahlin)

• Add codegen support for const-Object return type ((169204), GustavoCarneiro)

• Add codgen support for unblocking threads around method calls (GustavoCarneiro)

• Wrap gdk_event_handler_set (JohanDahlin)

• Codegen reverse wrapper bug fix ((340162), YevgenMuntyan)

• Wrap GdkRegion (JohnEhresman)

• Add codegen support for ignore-type statement in override (JohanDahlin)

• Add conditional support for gtk+ 2.10 API, especially printing (JohanDahlin, JohnFinlay, GustavoCarneiro)

• Complete the support for gtk.Container virtual methods ((341641), GustavoCarneiro)

• Fix misc. reference leaks (JohnFinlay, GustavoCarneiro)

• Allow None parameter in pangocairo.CairoContext.set_font_options (JohnFinlay)

• Complete the support for gtk.CellRenderer virtual methods ((339431), GustavoCarneiro)

• IconView.set_cursor method params 'cell' and 'start_editing' made optional ((343039), RossBurton, JohnFinlay)

• Wrap a few more gdk_cairo_* methods (JohnFinlay)

• Add a 'selection' field to gdk.OWNER_CHANGE events (JohnFinlay)

• Allow None in gtk.Entry.set_inner_border() (JohnFinlay)

• gtk.Clipboard rich text methods (JohnFinlay)

• Add gtk.MessageDialog.set_image() (JohnFinlay)

• Wrap gtk_link_button_set_uri_hook() (JohnFinlay)

• Allow None in gtk.Widget.input_shape_combine_mask() (JohnFinlay)

• Allow gtk.LinkButton() constructor to optionally receive a label (JohnFinlay)

• Allow None in gtk.Label.set_mnemonic_widget() (JohanDahlin)

• Wrap a bunch of X11 specific gdk methods (GustavoCarneiro)

• Add gtk.SizeGroup.get_widgets() (JohnFinlay)

• Wrap gtk_style_lookup_color() (JohnFinlay)

• Wrap a bunch of gtk treeview grid lines methods (JohnFinlay)

• Better Drag and drop API support (JohnFinlay)

• Add -I option to codegen (defs search path) (GustavoCarneiro)

2.9.2

• Fix a codegen bug that prevent build of other extensions ((344845), GustavoCarneiro)

• Builds with pycairo 1.1.6 ((344957), GustavoCarneiro)

• gtk.TextBuffer rich text copy and serialization (JohnFinlay)

• Correct Print Editor example (GustavoCarneiro)

2.9.3

• Update to latest gtk+ 2.10 API changes ((345447), (345623), Newren, Peters)

• Many more new gtk+ 2.10 APIs wrapped (JohnFinlay)

• Wrap gtk_widget_class_find_style_property (JohnFinlay)

• gtk.gdk.CairoContext.rectangle bug fix (GustavoCarneiro)

• Update defs for atk 1.8 (JohnFinlay)

• Misc. module cleanups (Dahlin)

• New pango APIs wrapped (JohnFinlay)

• Fix refcount error in gtk.Clipboard ((343960), GustavoCarneiro, JohnFinlay)

• Enable GDK X11-specific APIs available also with gtk+ 2.8 (GustavoCarneiro)

• Lazy loading of the gtk.keysyms module (JohanDahlin)

2.9.4

• Include John Finlay's PyGTK reference manual (JohanDahlin, JohnFinlay)

• Setters and getters for GtkWidget.activate_signal ((331445), GustavoCarneiro)

• GtkToolItemType setter/getter ((331355), GustavoCarneiro)

• Code generator fixes (GustavoCarneiro, JohanDahlin, JohnFinlay, YevgenMuntyan)

• Add more gtk+ 2.10 API ((337011), JohnFinlay, SebastianPölsterl)

• Don't copy treeiters in callbacks ((347273), JohnFinlay, StefanoMaggiolo)

• Provide full information for GtkTreeSelection.set_select_function ((340475) JohnFinlay, WouterBolsterlee)

• Export less symbols and reduce the size of the libraries ((347825), RafaelEspíndola)

• Allow negative values for GtkTreeModel.set/getitem ((311852), Baiju M)

• Much improved interface/virtual method support (JohnFinlay)

• Remove evil 100ms timeout timer ((348937), GustavoCarneiro)

2.9.5

• Make it possible to build with GTK+ 2.10 ((350008), JosephSacco)

• Make sure dir(gtk.keysyms) work again ((349892), JohanDahlin, JohnFinlay)

• reloading the gtk module works again ((349026), JohanDahlin, AlexanderLarsson)

2.9.6

• GtkTreePath can be converted from integers again ((350252), GustavoCarneiro, SebastienBacher)

• Fix parallel build ((350225), EdCatmur)

• Reduce exception abuse in code generator (GustavoCarneiro)

• Documentation improvements (JohanDahlin, JohnFinlay)