#!/usr/bin/env python
import pygtk
pygtk.require('2.0')
import gtk
class Browser:
def make_row( self, piter, name, value ):
info = repr(value)
if not hasattr(value, "__dict__"):
if len(info) > 80:
# it's a big list, or dict etc.
info = info[:80] + "..."
_piter = self.treestore.append( piter, [ name, type(value).__name__, info ] )
return _piter
def make_instance( self, value, piter ):
if hasattr( value, "__dict__" ):
for _name, _value in value.__dict__.items():
_piter = self.make_row( piter, "."+_name, _value )
_path = self.treestore.get_path( _piter )
self.otank[ _path ] = (_name, _value)
def make_mapping( self, value, piter ):
keys = []
if hasattr( value, "keys" ):
keys = value.keys()
elif hasattr( value, "__len__"):
keys = range( len(value) )
for key in keys:
_name = "[%s]"%str(key)
_piter = self.make_row( piter, _name, value[key] )
_path = self.treestore.get_path( _piter )
self.otank[ _path ] = (_name, value[key])
def make(self, name=None, value=None, path=None, depth=1):
if path is None:
# make root node
piter = self.make_row( None, name, value )
path = self.treestore.get_path( piter )
self.otank[ path ] = (name, value)
else:
name, value = self.otank[ path ]
piter = self.treestore.get_iter( path )
if not self.treestore.iter_has_child( piter ):
self.make_mapping( value, piter )
self.make_instance( value, piter )
if depth:
for i in range( self.treestore.iter_n_children( piter ) ):
self.make( path = path+(i,), depth = depth - 1 )
def row_expanded( self, treeview, piter, path ):
self.make( path = path )
def delete_event(self, widget, event, data=None):
gtk.main_quit()
return gtk.FALSE
def __init__(self, name, value):
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.window.set_title("Browser")
self.window.set_size_request(512, 320)
self.window.connect("delete_event", self.delete_event)
# we will store the name, the type name, and the repr
columns = [str,str,str]
self.treestore = gtk.TreeStore(*columns)
# the otank tells us what object we put at each node in the tree
self.otank = {} # map path -> (name,value)
self.make( name, value )
self.treeview = gtk.TreeView(self.treestore)
self.treeview.connect("row-expanded", self.row_expanded )
self.tvcolumns = [ gtk.TreeViewColumn() for _type in columns ]
i = 0
for tvcolumn in self.tvcolumns:
self.treeview.append_column(tvcolumn)
cell = gtk.CellRendererText()
tvcolumn.pack_start(cell, True)
tvcolumn.add_attribute(cell, 'text', i)
i = i + 1
self.window.add(self.treeview)
self.window.show_all()
def dump( name, value ):
browser = Browser( name, value )
gtk.main()
def test():
class Nil:
pass
a = Nil()
b = Nil()
c = Nil()
d = Nil()
a.b=b
b.c=c
c.d=d
d.a=a # circular chain
dump( "a", a )
if __name__ == "__main__":
test()
