def save(self):
""" Save this theme. """
domdoc = minidom.Document()
try:
theme_element = domdoc.createElement("theme")
theme_element.setAttribute("name", self.name)
theme_element.setAttribute("format", str(self.THEME_FORMAT))
domdoc.appendChild(theme_element)
for name, _type, _default in self.attributes:
if name == "color_scheme_basename":
element = domdoc.createElement("color_scheme")
text = domdoc.createTextNode(self.color_scheme_basename)
element.appendChild(text)
theme_element.appendChild(element)
elif name == "key_label_overrides":
overrides_element = \
domdoc.createElement("key_label_overrides")
theme_element.appendChild(overrides_element)
tuples = self.key_label_overrides
for key_id, values in list(tuples.items()):
element = domdoc.createElement("key")
element.setAttribute("id", key_id)
element.setAttribute("label", values[0])
element.setAttribute("group", values[1])
overrides_element.appendChild(element)
else:
value = getattr(self, name)
if _type == "s":
pass
elif _type == "i":
value = str(value)
elif _type == "d":
value = str(round(float(value), 2))
elif _type == "ad":
value = ", ".join(str(d) for d in value)
else:
assert(False) # attribute of unknown type
element = domdoc.createElement(name)
text = domdoc.createTextNode(value)
element.appendChild(text)
theme_element.appendChild(element)
pretty_xml = toprettyxml(domdoc)
with open_utf8(self.filename, "w") as _file:
if sys.version_info.major >= 3:
_file.write(pretty_xml)
else:
_file.write(pretty_xml.encode("UTF-8"))
except Exception as xxx_todo_changeme2:
(ex) = xxx_todo_changeme2
raise Exceptions.ThemeFileError(_("Error saving ")
+ self.filename, chained_exception = ex)
finally:
domdoc.unlink()
def load(filename, is_system=False):
""" Load a color scheme and return it as a new object. """
color_scheme = None
f = open_utf8(filename)
try:
dom = minidom.parse(f).documentElement
name = dom.attributes["name"].value
# check layout format
format = ColorScheme.COLOR_SCHEME_FORMAT_LEGACY
if dom.hasAttribute("format"):
format = Version.from_string(dom.attributes["format"].value)
if format >= ColorScheme.COLOR_SCHEME_FORMAT_TREE: # tree format?
items = ColorScheme._parse_dom_node(dom, None, {})
else:
_logger.warning(_format( \
"Loading legacy color scheme format '{old_format}', "
"please consider upgrading to current format "
"'{new_format}': '{filename}'",
old_format = format,
new_format = ColorScheme.COLOR_SCHEME_FORMAT,
filename = filename))
items = ColorScheme._parse_legacy_color_scheme(dom)
if not items is None:
root = Root()
root.set_items(items)
color_scheme = ColorScheme()
color_scheme.name = name
color_scheme.filename = filename
color_scheme.is_system = is_system
color_scheme.root = root
#print(root.dumps())
except xml.parsers.expat.ExpatError as ex:
_logger.error(_format("Error loading color scheme '{filename}'. "
"{exception}: {cause}",
filename = filename,
exception = type(ex).__name__,
cause = unicode_str(ex)))
finally:
f.close()
return color_scheme
def load(filename, is_system=False):
""" Load a theme and return a new theme object. """
result = None
_file = open_utf8(filename)
try:
domdoc = minidom.parse(_file).documentElement
try:
theme = Theme()
node = domdoc.attributes.get("format")
format = Version.from_string(node.value) \
if node else Theme.THEME_FORMAT_INITIAL
theme.name = domdoc.attributes["name"].value
# "color_scheme" is the base file name of the color scheme
text = utils.xml_get_text(domdoc, "color_scheme")
if not text is None:
theme.color_scheme_basename = text
# get key label overrides
nodes = domdoc.getElementsByTagName("key_label_overrides")
if nodes:
overrides = nodes[0]
tuples = {}
for override in overrides.getElementsByTagName("key"):
key_id = override.attributes["id"].value
node = override.attributes.get("label")
label = node.value if node else ""
node = override.attributes.get("group")
group = node.value if node else ""
tuples[key_id] = (label, group)
theme.key_label_overrides = tuples
# read all other members
for name, _type, _default in Theme.attributes:
if not name in ["color_scheme_basename",
"key_label_overrides"]:
value = utils.xml_get_text(domdoc, name)
if not value is None:
if _type == "i":
value = int(value)
if _type == "d":
value = float(value)
if _type == "ad":
value = [float(s) for s in value.split(",")]
# upgrade to current file format
if format < Theme.THEME_FORMAT_1_1:
# direction was 0..360, ccw
# is now -180..180, cw
if name == "key_gradient_direction":
value = -(value % 360)
if value <= -180:
value += 360
setattr(theme, name, value)
theme.filename = filename
theme.is_system = is_system
theme.system_exists = is_system
result = theme
finally:
domdoc.unlink()
except (Exceptions.ThemeFileError,
xml.parsers.expat.ExpatError) as ex:
_logger.error(_format("Error loading theme '{filename}'. "
"{exception}: {cause}",
filename = filename,
exception = type(ex).__name__,
cause = unicode_str(ex)))
result = None
finally:
_file.close()
return result
