gtk2/gtk/gtk-builder-convert

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#!/usr/bin/env python
#
# Copyright (C) 2006-2008 Async Open Source
# Henrique Romano <henrique@async.com.br>
# Johan Dahlin <jdahlin@async.com.br>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 Lesser General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# TODO:
# Toolbars
"""Usage: gtk-builder-convert [OPTION] [INPUT] [OUTPUT]
Converts Glade files into XML files which can be loaded with GtkBuilder.
The [INPUT] file is
-w, --skip-windows Convert everything but GtkWindow subclasses.
-r, --root Convert only widget named root and its children
-h, --help display this help and exit
When OUTPUT is -, write to standard input.
Examples:
gtk-builder-convert preference.glade preferences.ui
Report bugs to http://bugzilla.gnome.org/."""
import getopt
import os
import sys
from xml.dom import minidom, Node
WINDOWS = ['GtkWindow',
'GtkDialog',
'GtkFileChooserDialog',
'GtkMessageDialog']
# The subprocess is only available in Python 2.4+
try:
import subprocess
subprocess # pyflakes
except ImportError:
subprocess = None
def get_child_nodes(node):
assert node.tagName == 'object'
nodes = []
for child in node.childNodes:
if child.nodeType != Node.ELEMENT_NODE:
continue
if child.tagName != 'child':
continue
nodes.append(child)
return nodes
def get_properties(node):
assert node.tagName == 'object'
properties = {}
for child in node.childNodes:
if child.nodeType != Node.ELEMENT_NODE:
continue
if child.tagName != 'property':
continue
value = child.childNodes[0].data
properties[child.getAttribute('name')] = value
return properties
def get_property(node, property_name):
assert node.tagName == 'object'
properties = get_properties(node)
return properties.get(property_name)
def get_property_node(node, property_name):
assert node.tagName == 'object'
properties = {}
for child in node.childNodes:
if child.nodeType != Node.ELEMENT_NODE:
continue
if child.tagName != 'property':
continue
if child.getAttribute('name') == property_name:
return child
def get_signal_nodes(node):
assert node.tagName == 'object'
signals = []
for child in node.childNodes:
if child.nodeType != Node.ELEMENT_NODE:
continue
if child.tagName == 'signal':
signals.append(child)
return signals
def get_property_nodes(node):
assert node.tagName == 'object'
properties = []
for child in node.childNodes:
if child.nodeType != Node.ELEMENT_NODE:
continue
# FIXME: handle comments
if child.tagName == 'property':
properties.append(child)
return properties
def get_accelerator_nodes(node):
assert node.tagName == 'object'
accelerators = []
for child in node.childNodes:
if child.nodeType != Node.ELEMENT_NODE:
continue
if child.tagName == 'accelerator':
accelerators.append(child)
return accelerators
def get_object_node(child_node):
assert child_node.tagName == 'child', child_node
nodes = []
for node in child_node.childNodes:
if node.nodeType != Node.ELEMENT_NODE:
continue
if node.tagName == 'object':
nodes.append(node)
assert len(nodes) == 1, nodes
return nodes[0]
def copy_properties(node, props, prop_dict):
assert node.tagName == 'object'
for prop_name in props:
child = get_property_node(node, prop_name)
if child is not None:
prop_dict[prop_name] = child
return node
class GtkBuilderConverter(object):
def __init__(self, skip_windows, root):
self.skip_windows = skip_windows
self.root = root
self.root_objects = []
self.objects = {}
#
# Public API
#
def parse_file(self, file):
self._dom = minidom.parse(file)
self._parse()
def parse_buffer(self, buffer):
self._dom = minidom.parseString(buffer)
self._parse()
def to_xml(self):
xml = self._dom.toprettyxml("", "")
return xml.encode('utf-8')
#
# Private
#
def _get_object(self, name):
return self.objects.get(name)
def _get_objects_by_attr(self, attribute, value):
return [w for w in self._dom.getElementsByTagName("object")
if w.getAttribute(attribute) == value]
def _create_object(self, obj_class, obj_id, template=None, properties=None):
"""
Creates a new <object> tag.
Optionally a name template can be provided which will be used
to avoid naming collisions.
The properties dictionary can either contain string values or Node
values. If a node is provided the name of the node will be overridden
by the dictionary key.
@param obj_class: class of the object (class tag)
@param obj_id: identifier of the object (id tag)
@param template: name template to use, for example 'button'
@param properties: dictionary of properties
@type properties: string or Node.
@returns: Newly created node of the object
"""
if template is not None:
count = 1
while True:
obj_id = template + str(count)
widget = self._get_object(obj_id)
if widget is None:
break
count += 1
obj = self._dom.createElement('object')
obj.setAttribute('class', obj_class)
obj.setAttribute('id', obj_id)
if properties:
for name, value in properties.items():
if isinstance(value, Node):
# Reuse the node, so translatable and context still will be
# set when converting nodes. See also #509153
prop = value
else:
prop = self._dom.createElement('property')
prop.appendChild(self._dom.createTextNode(value))
prop.setAttribute('name', str(name))
obj.appendChild(prop)
self.objects[obj_id] = obj
return obj
def _create_root_object(self, obj_class, template, properties=None):
obj = self._create_object(obj_class, None, template, properties)
self.root_objects.append(obj)
return obj
def _parse(self):
glade_iface = self._dom.getElementsByTagName("glade-interface")
assert glade_iface, ("Badly formed XML, there is "
"no <glade-interface> tag.")
# Rename glade-interface to interface
glade_iface[0].tagName = 'interface'
self._interface = glade_iface[0]
# Remove glade-interface doc type
for node in self._dom.childNodes:
if node.nodeType == Node.DOCUMENT_TYPE_NODE:
if node.name == 'glade-interface':
self._dom.removeChild(node)
# Strip unsupported tags
for tag in ['requires']:
for child in self._dom.getElementsByTagName(tag):
child.parentNode.removeChild(child)
if self.root:
self._strip_root(self.root)
# Rename widget to object
objects = self._dom.getElementsByTagName("widget")
for node in objects:
node.tagName = "object"
for node in objects:
self._convert(node.getAttribute("class"), node)
self.objects[node.getAttribute('id')] = node
# Convert Gazpachos UI tag
for node in self._dom.getElementsByTagName("ui"):
self._convert_ui(node)
# Convert accessibility tag
for node in self._dom.getElementsByTagName("accessibility"):
self._convert_accessibility(node)
# Output the newly created root objects and sort them
# by attribute id
for obj in sorted(self.root_objects,
key=lambda n: n.getAttribute('id'),
reverse=True):
self._interface.childNodes.insert(0, obj)
def _convert(self, klass, node):
if klass == 'GtkNotebook':
self._packing_prop_to_child_attr(node, "type", "tab")
elif klass in ['GtkExpander', 'GtkFrame']:
self._packing_prop_to_child_attr(
node, "type", "label_item", "label")
elif klass == "GtkMenuBar":
self._convert_menu(node)
elif klass == "GtkMenu":
# Only convert toplevel popups
if node.parentNode == self._interface:
self._convert_menu(node, popup=True)
elif klass in WINDOWS and self.skip_windows:
self._remove_window(node)
self._default_widget_converter(node)
def _default_widget_converter(self, node):
klass = node.getAttribute("class")
for prop in get_property_nodes(node):
prop_name = prop.getAttribute("name")
if prop_name == "sizegroup":
self._convert_sizegroup(node, prop)
elif prop_name == "tooltip" and klass != "GtkAction":
prop.setAttribute("name", "tooltip-text")
elif prop_name in ["response_id", 'response-id']:
# It does not make sense to convert responses when
# we're not going to output dialogs
if self.skip_windows:
continue
object_id = node.getAttribute('id')
response = prop.childNodes[0].data
self._convert_dialog_response(node, object_id, response)
prop.parentNode.removeChild(prop)
elif prop_name == "adjustment":
self._convert_adjustment(prop)
elif prop_name == "items" and klass in ['GtkComboBox',
'GtkComboBoxEntry']:
self._convert_combobox_items(node, prop)
elif prop_name == "text" and klass == 'GtkTextView':
self._convert_textview_text(prop)
def _remove_window(self, node):
object_node = get_object_node(get_child_nodes(node)[0])
parent = node.parentNode
parent.removeChild(node)
parent.appendChild(object_node)
def _convert_menu(self, node, popup=False):
if node.hasAttribute('constructor'):
return
uimgr = self._create_root_object('GtkUIManager',
template='uimanager')
if popup:
name = 'popup'
else:
name = 'menubar'
menu = self._dom.createElement(name)
menu.setAttribute('name', node.getAttribute('id'))
node.setAttribute('constructor', uimgr.getAttribute('id'))
for child in get_child_nodes(node):
obj_node = get_object_node(child)
item = self._convert_menuitem(uimgr, obj_node)
menu.appendChild(item)
child.removeChild(obj_node)
child.parentNode.removeChild(child)
ui = self._dom.createElement('ui')
uimgr.appendChild(ui)
ui.appendChild(menu)
def _convert_menuitem(self, uimgr, obj_node):
children = get_child_nodes(obj_node)
name = 'menuitem'
if children:
child_node = children[0]
menu_node = get_object_node(child_node)
# Can be GtkImage, which will take care of later.
if menu_node.getAttribute('class') == 'GtkMenu':
name = 'menu'
object_class = obj_node.getAttribute('class')
if object_class in ['GtkMenuItem',
'GtkImageMenuItem',
'GtkCheckMenuItem',
'GtkRadioMenuItem']:
menu = self._dom.createElement(name)
elif object_class == 'GtkSeparatorMenuItem':
return self._dom.createElement('separator')
else:
raise NotImplementedError(object_class)
menu.setAttribute('action', obj_node.getAttribute('id'))
self._add_action_from_menuitem(uimgr, obj_node)
if children:
for child in get_child_nodes(menu_node):
obj_node = get_object_node(child)
item = self._convert_menuitem(uimgr, obj_node)
menu.appendChild(item)
child.removeChild(obj_node)
child.parentNode.removeChild(child)
return menu
def _menuitem_to_action(self, node, properties):
copy_properties(node, ['label', 'tooltip'], properties)
def _togglemenuitem_to_action(self, node, properties):
self._menuitem_to_action(node, properties)
copy_properties(node, ['active'], properties)
def _radiomenuitem_to_action(self, node, properties):
self._togglemenuitem_to_action(node, properties)
copy_properties(node, ['group'], properties)
def _add_action_from_menuitem(self, uimgr, node):
properties = {}
object_class = node.getAttribute('class')
object_id = node.getAttribute('id')
if object_class == 'GtkMenuItem':
name = 'GtkAction'
self._menuitem_to_action(node, properties)
elif object_class == 'GtkCheckMenuItem':
name = 'GtkToggleAction'
self._togglemenuitem_to_action(node, properties)
elif object_class == 'GtkRadioMenuItem':
name = 'GtkRadioAction'
self._radiomenuitem_to_action(node, properties)
elif object_class == 'GtkImageMenuItem':
name = 'GtkAction'
children = get_child_nodes(node)
if (children and
children[0].getAttribute('internal-child') == 'image'):
image = get_object_node(children[0])
child = get_property_node(image, 'stock')
if child is not None:
properties['stock_id'] = child
self._menuitem_to_action(node, properties)
elif object_class == 'GtkSeparatorMenuItem':
return
else:
raise NotImplementedError(object_class)
if get_property(node, 'use_stock') == 'True':
child = get_property_node(node, 'label')
if child:
properties['stock_id'] = child
properties['name'] = object_id
action = self._create_object(name,
object_id,
properties=properties)
for signal in get_signal_nodes(node):
signal_name = signal.getAttribute('name')
if signal_name in ['activate', 'toggled']:
action.appendChild(signal)
else:
print 'Unhandled signal %s::%s' % (node.getAttribute('class'),
signal_name)
if not uimgr.childNodes:
child = self._dom.createElement('child')
uimgr.appendChild(child)
group = self._create_object('GtkActionGroup', None,
template='actiongroup')
child.appendChild(group)
else:
group = uimgr.childNodes[0].childNodes[0]
child = self._dom.createElement('child')
group.appendChild(child)
child.appendChild(action)
for accelerator in get_accelerator_nodes(node):
signal_name = accelerator.getAttribute('signal')
if signal_name != 'activate':
print 'Unhandled accelerator signal for %s::%s' % (
node.getAttribute('class'), signal_name)
continue
accelerator.removeAttribute('signal')
child.appendChild(accelerator)
def _convert_sizegroup(self, node, prop):
# This is Gazpacho only
node.removeChild(prop)
obj = self._get_object(prop.childNodes[0].data)
if obj is None:
widgets = self._get_objects_by_attr("class", "GtkSizeGroup")
if widgets:
obj = widgets[-1]
else:
obj = self._create_root_object('GtkSizeGroup',
template='sizegroup')
widgets = obj.getElementsByTagName("widgets")
if widgets:
assert len(widgets) == 1
widgets = widgets[0]
else:
widgets = self._dom.createElement("widgets")
obj.appendChild(widgets)
member = self._dom.createElement("widget")
member.setAttribute("name", node.getAttribute("id"))
widgets.appendChild(member)
def _convert_dialog_response(self, node, object_name, response):
# 1) Get parent dialog node
while True:
# If we can't find the parent dialog, give up
if node == self._dom:
return
if (node.tagName == 'object' and
node.getAttribute('class') == 'GtkDialog'):
dialog = node
break
node = node.parentNode
assert node
# 2) Get dialogs action-widgets tag, create if not found
for child in dialog.childNodes:
if child.nodeType != Node.ELEMENT_NODE:
continue
if child.tagName == 'action-widgets':
actions = child
break
else:
actions = self._dom.createElement("action-widgets")
dialog.appendChild(actions)
# 3) Add action-widget tag for the response
action = self._dom.createElement("action-widget")
action.setAttribute("response", response)
action.appendChild(self._dom.createTextNode(object_name))
actions.appendChild(action)
def _convert_adjustment(self, prop):
properties = {}
if prop.childNodes:
data = prop.childNodes[0].data
value, lower, upper, step, page, page_size = data.split(' ')
properties.update(value=value,
lower=lower,
upper=upper,
step_increment=step,
page_increment=page,
page_size=page_size)
else:
prop.appendChild(self._dom.createTextNode(""))
adj = self._create_root_object("GtkAdjustment",
template='adjustment',
properties=properties)
prop.childNodes[0].data = adj.getAttribute('id')
def _convert_combobox_items(self, node, prop):
parent = prop.parentNode
if not prop.childNodes:
parent.removeChild(prop)
return
value = prop.childNodes[0].data
model = self._create_root_object("GtkListStore",
template="model")
columns = self._dom.createElement('columns')
model.appendChild(columns)
column = self._dom.createElement('column')
column.setAttribute('type', 'gchararray')
columns.appendChild(column)
data = self._dom.createElement('data')
model.appendChild(data)
for item in value.split('\n'):
row = self._dom.createElement('row')
data.appendChild(row)
col = self._dom.createElement('col')
col.setAttribute('id', '0')
col.appendChild(self._dom.createTextNode(item))
row.appendChild(col)
model_prop = self._dom.createElement('property')
model_prop.setAttribute('name', 'model')
model_prop.appendChild(
self._dom.createTextNode(model.getAttribute('id')))
parent.appendChild(model_prop)
parent.removeChild(prop)
child = self._dom.createElement('child')
node.appendChild(child)
cell_renderer = self._create_object('GtkCellRendererText', None,
template='renderer')
child.appendChild(cell_renderer)
attributes = self._dom.createElement('attributes')
child.appendChild(attributes)
attribute = self._dom.createElement('attribute')
attributes.appendChild(attribute)
attribute.setAttribute('name', 'text')
attribute.appendChild(self._dom.createTextNode('0'))
def _convert_textview_text(self, prop):
if not prop.childNodes:
prop.parentNode.removeChild(prop)
return
data = prop.childNodes[0].data
if prop.hasAttribute('translatable'):
prop.removeAttribute('translatable')
tbuffer = self._create_root_object("GtkTextBuffer",
template='textbuffer',
properties=dict(text=data))
prop.childNodes[0].data = tbuffer.getAttribute('id')
def _packing_prop_to_child_attr(self, node, prop_name, prop_val,
attr_val=None):
for child in get_child_nodes(node):
packing_props = [p for p in child.childNodes if p.nodeName == "packing"]
if not packing_props:
continue
assert len(packing_props) == 1
packing_prop = packing_props[0]
properties = packing_prop.getElementsByTagName("property")
for prop in properties:
if (prop.getAttribute("name") != prop_name or
prop.childNodes[0].data != prop_val):
continue
packing_prop.removeChild(prop)
child.setAttribute(prop_name, attr_val or prop_val)
if len(properties) == 1:
child.removeChild(packing_prop)
def _convert_ui(self, node):
cdata = node.childNodes[0]
data = cdata.toxml().strip()
if not data.startswith("<![CDATA[") or not data.endswith("]]>"):
return
data = data[9:-3]
child = minidom.parseString(data).childNodes[0]
nodes = child.childNodes[:]
for child_node in nodes:
node.appendChild(child_node)
node.removeChild(cdata)
if not node.hasAttribute("id"):
return
# Updating references made by widgets
parent_id = node.parentNode.getAttribute("id")
for widget in self._get_objects_by_attr("constructor",
node.getAttribute("id")):
widget.getAttributeNode("constructor").value = parent_id
node.removeAttribute("id")
def _convert_accessibility(self, node):
objectNode = node.parentNode
parent_id = objectNode.getAttribute("id")
properties = {}
for node in node.childNodes:
if node.nodeName == 'atkproperty':
node.tagName = 'property'
properties[node.getAttribute('name')] = node
node.parentNode.removeChild(node)
elif node.nodeName == 'atkrelation':
node.tagName = 'relation'
relation_type = node.getAttribute('type')
relation_type = relation_type.replace('_', '-')
node.setAttribute('type', relation_type)
elif node.nodeName == 'atkaction':
node.tagName = 'action'
if properties:
child = self._dom.createElement('child')
child.setAttribute("internal-child", "accessible")
atkobject = self._create_object(
"AtkObject", None,
template='a11y-%s' % (parent_id,),
properties=properties)
child.appendChild(atkobject)
objectNode.appendChild(child)
def _strip_root(self, root_name):
for widget in self._dom.getElementsByTagName("widget"):
if widget.getAttribute('id') == root_name:
break
else:
raise SystemExit("Could not find an object called `%s'" % (
root_name))
for child in self._interface.childNodes[:]:
if child.nodeType != Node.ELEMENT_NODE:
continue
child.parentNode.removeChild(child)
self._interface.appendChild(widget)
def _indent(output):
if not subprocess:
return output
for directory in os.environ['PATH'].split(os.pathsep):
filename = os.path.join(directory, 'xmllint')
if os.path.exists(filename):
break
else:
return output
s = subprocess.Popen([filename, '--format', '-'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
s.stdin.write(output)
s.stdin.close()
return s.stdout.read()
def usage():
print __doc__
def main(args):
try:
opts, args = getopt.getopt(args[1:], "hwr:",
["help", "skip-windows", "root="])
except getopt.GetoptError:
usage()
return 2
if len(args) != 2:
usage()
return 2
input_filename, output_filename = args
skip_windows = False
split = False
root = None
for o, a in opts:
if o in ("-h", "--help"):
usage()
sys.exit()
elif o in ("-r", "--root"):
root = a
elif o in ("-w", "--skip-windows"):
skip_windows = True
conv = GtkBuilderConverter(skip_windows=skip_windows,
root=root)
conv.parse_file(input_filename)
xml = _indent(conv.to_xml())
if output_filename == "-":
print xml
else:
open(output_filename, 'w').write(xml)
print "Wrote", output_filename
return 0
if __name__ == "__main__":
sys.exit(main(sys.argv))