def _load_layout(self, layout_filename, parent_item=None):
self._svg_cache = {}
layout = None
try:
f = open_utf8(layout_filename)
except FileNotFoundError as ex:
_logger.warning("Failed to open '{}': {}".format(
layout_filename, unicode_str(ex)))
return None
# make sure unlink is called
with minidom.parse(f).documentElement as dom:
# check layout format, no format version means legacy layout
format = self.LAYOUT_FORMAT_LEGACY
if dom.hasAttribute("format"):
format = Version.from_string(dom.attributes["format"].value)
self._format = format
root = LayoutPanel() # root, representing the 'keyboard' tag
root.set_id("__root__") # id for debug prints
# Init included root with the parent item's svg filename.
# -> Allows to skip specifying svg filenames in includes.
if parent_item:
root.filename = parent_item.filename
if format >= self.LAYOUT_FORMAT_LAYOUT_TREE:
self._parse_dom_node(dom, root)
layout = root
else:
_logger.warning(
_format(
"Loading legacy layout, format '{}'. "
"Please consider upgrading to current format '{}'",
format, self.LAYOUT_FORMAT))
items = self._parse_legacy_layout(dom)
if items:
root.set_items(items)
layout = root
f.close()
self._svg_cache = {} # Free the memory
return layout
def _load_layout(self, layout_filename, parent_item = None):
self._svg_cache = {}
layout = None
f = open_utf8(layout_filename)
# make sure unlink is called
with minidom.parse(f).documentElement as dom:
# check layout format, no format version means legacy layout
format = self.LAYOUT_FORMAT_LEGACY
if dom.hasAttribute("format"):
format = Version.from_string(dom.attributes["format"].value)
self._format = format
root = LayoutPanel() # root, representing the 'keyboard' tag
root.set_id("__root__") # id for debug prints
# Init included root with the parent item's svg filename.
# -> Allows to skip specifying svg filenames in includes.
if parent_item:
root.filename = parent_item.filename
if format >= self.LAYOUT_FORMAT_LAYOUT_TREE:
self._parse_dom_node(dom, root)
layout = root
else:
_logger.warning(_format("Loading legacy layout, format '{}'. "
"Please consider upgrading to current format '{}'",
format, self.LAYOUT_FORMAT))
items = self._parse_legacy_layout(dom)
if items:
root.set_items(items)
layout = root
f.close()
self._svg_cache = {} # Free the memory
return layout
