mirror of
https://github.com/OpenVGLab/OmniLottie.git
synced 2026-09-18 08:06:26 +00:00
Initial Commit
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@@ -0,0 +1,160 @@
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from xml.dom import minidom
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import copy
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import enum
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from .core_nodes import XmlDescriptor, XmlSimpleElement, ValueReference
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from .utils import *
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from lottie.nvector import NVector
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from lottie.parsers.sif.ast_impl.base import SifAstNode, SifValue
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from lottie.parsers.sif.sif.core import ObjectRegistry, TypeDescriptor, noop
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class XmlAnimatable(XmlDescriptor):
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def __init__(self, name, typename, default=None, type_wrapper=noop):
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super().__init__(name)
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self.type = TypeDescriptor(typename, default, type_wrapper)
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry, param: TypeDescriptor = None):
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cn = xml_first_element_child(parent, self.name)
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if cn:
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value = SifAstNode.from_dom(xml_first_element_child(cn), self.type_for(param), registry)
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else:
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value = self.default()
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setattr(obj, self.att_name, value)
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document, type: TypeDescriptor = None):
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value = getattr(obj, self.att_name)
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if isinstance(value, SifValue) and isinstance(value.value, ValueReference):
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parent.setAttribute(self.name, ":" + value.value.id)
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return
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param = parent.appendChild(dom.createElement(self.name))
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param.appendChild(value.to_dom(dom, self.type_for(type)))
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return param
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def from_python(self, value):
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if not isinstance(value, SifAstNode):
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raise ValueError("%s isn't a valid value for %s" % (value, self.name))
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return value
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def default(self):
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return SifValue(copy.deepcopy(self.type.default_value))
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def type_for(self, param: TypeDescriptor):
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if param is not None and self.type.typename == "_recurse":
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return param
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return self.type
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class XmlParam(XmlDescriptor):
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def __init__(self, name, typename, default=None, type_wrapper=noop, static=False):
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super().__init__(name)
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self.type = TypeDescriptor(typename, default, type_wrapper)
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self.static = static
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def _def(self):
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from ..api import Def
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return Def
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
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for cn in xml_child_elements(parent, "param"):
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if cn.getAttribute("name") == self.name:
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use = cn.getAttribute("use")
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if use:
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value = registry.get_object(use)
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else:
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value_node = xml_first_element_child(cn)
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if self.static:
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value = self.type.value_from_xml_element(value_node, registry)
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else:
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value = SifAstNode.from_dom(value_node, self.type, registry)
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break
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else:
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value = self.default()
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setattr(obj, self.att_name, value)
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
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param = parent.appendChild(dom.createElement("param"))
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param.setAttribute("name", self.name)
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value = getattr(obj, self.att_name)
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if isinstance(value, self._def()):
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param.setAttribute("use", ":" + value.id)
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else:
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if self.static:
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elem = self.type.value_to_xml_element(value, dom)
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else:
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elem = value.to_dom(dom, self.type)
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param.appendChild(elem)
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return param
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def from_python(self, value):
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if self.static:
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return self.type.type_wrapper(value)
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if not isinstance(value, (SifAstNode, self._def())):
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raise ValueError("%s isn't a valid value for %s" % (value, self.name))
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return value
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def default(self):
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if self.static:
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return copy.deepcopy(self.type.default_value)
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return SifValue(copy.deepcopy(self.type.default_value))
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class XmlDynamicListParam(XmlDescriptor):
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_tag = "dynamic_list"
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def __init__(self, name, typename, att_name=None):
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super().__init__(name)
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self.type = TypeDescriptor(typename)
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if att_name is not None:
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self.att_name = att_name
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
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param = parent.appendChild(dom.createElement("param"))
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param.setAttribute("name", self.name)
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dyl = param.appendChild(dom.createElement(self._tag))
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dyl.setAttribute("type", self.type.typename)
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values = getattr(obj, self.att_name)
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for val in values:
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entry = dyl.appendChild(dom.createElement("entry"))
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entry.appendChild(self._value_to_dom(val, dom))
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def _value_to_dom(self, val, dom: minidom.Document):
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return val.to_dom(dom, self.type)
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
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values = []
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for cn in xml_child_elements(parent, "param"):
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if cn.getAttribute("name") == self.name:
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list = xml_first_element_child(cn)
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if list.getAttribute("type") != self.type.typename:
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raise ValueError(
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"Wrong type for %s: got %s instead of %s" %
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(self.name, self.type.typename, list.getAttribute("type"))
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)
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for entry in xml_child_elements(list, "entry"):
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values.append(self._value_from_dom(xml_first_element_child(entry), registry))
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break
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setattr(obj, self.att_name, values)
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def _value_from_dom(self, element, registry):
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return SifAstNode.from_dom(element, self.type, registry)
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def from_python(self, value):
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return value
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def default(self):
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return []
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class XmlStaticListParam(XmlDynamicListParam):
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_tag = "static_list"
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def _value_to_dom(self, val, dom: minidom.Document):
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return self.type.value_to_xml_element(val, dom)
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def _value_from_dom(self, element: minidom.Element, registry: ObjectRegistry):
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return self.type.value_from_xml_element(element, registry)
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@@ -0,0 +1,142 @@
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from xml.dom import minidom
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import copy
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from uuid import uuid4
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from .utils import *
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from lottie.parsers.sif.sif.core import ObjectRegistry
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class XmlDescriptor:
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def __init__(self, name):
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self.name = name
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self.att_name = name.replace("-", "_").replace("[", "_").replace("]", "").replace(".", "_")
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
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raise NotImplementedError
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
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raise NotImplementedError
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def from_python(self, value):
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raise NotImplementedError
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def initialize_object(self, dict, obj):
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if self.att_name in dict:
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setattr(obj, self.att_name, self.from_python(dict[self.att_name]))
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else:
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setattr(obj, self.att_name, self.default())
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def clean(self, value):
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return self.from_python(value)
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def default(self):
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return None
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def __repr__(self):
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return "%s(%r)" % (self.__class__.__name__, self.name)
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class TypedXmlDescriptor(XmlDescriptor):
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def __init__(self, name, type=str, default_value=None, att_name=None):
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super().__init__(name)
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self.type = type
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self.default_value = default_value
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if att_name is not None:
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self.att_name = att_name
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def from_python(self, value):
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if value is None and self.default_value is None:
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return None
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if not value_isinstance(value, self.type):
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return self.type(value)
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return value
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def default(self):
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return copy.deepcopy(self.default_value)
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class ValueReference:
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def __init__(self, id, value=None):
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self.value = value
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self.id = id
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@classmethod
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def from_registry(cls, id, registry: ObjectRegistry):
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return cls(id, registry.get_object(id))
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class XmlAttribute(TypedXmlDescriptor):
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
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xml_str = parent.getAttribute(self.name)
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if xml_str:
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if xml_str.startswith(":") and xml_str[1:] in registry.registry:
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value = ValueReference.from_registry(xml_str[1:], registry)
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else:
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value = value_from_xml_string(xml_str, self.type, registry)
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setattr(obj, self.att_name, value)
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
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value = getattr(obj, self.att_name)
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if value is not None:
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if isinstance(value, ValueReference):
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xml_str = ":" + value.id
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else:
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xml_str = value_to_xml_string(value, self.type)
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parent.setAttribute(self.name, xml_str)
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class XmlFixedAttribute(XmlDescriptor):
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def __init__(self, name, value, type=str):
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super().__init__(name)
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self.value = value
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self.type = type
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
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parent.setAttribute(self.name, value_to_xml_string(self.value, self.type))
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def from_python(self, value):
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if value != self.value:
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raise ValueError("Value of %s should be %s, got %s" % (self.name, self.value, value))
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return value
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
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xml_str = parent.getAttribute(self.name)
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setattr(obj, self.att_name, value_from_xml_string(xml_str, self.type, registry))
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def default(self):
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return self.value
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class XmlSimpleElement(TypedXmlDescriptor):
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
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cn = xml_first_element_child(parent, self.name, allow_none=True)
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if cn:
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value = value_from_xml_string(xml_text(cn), self.type, registry)
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else:
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value = self.default_value
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setattr(obj, self.att_name, value)
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
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value = getattr(obj, self.att_name)
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if value is not None:
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parent.appendChild(xml_make_text(dom, self.name, value_to_xml_string(value, self.type)))
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class XmlMeta(TypedXmlDescriptor):
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def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
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for cn in xml_child_elements(parent, "meta"):
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if cn.getAttribute("name") == self.name:
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value = value_from_xml_string(cn.getAttribute("content"), self.type, registry)
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break
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else:
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value = self.default_value
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setattr(obj, self.att_name, value)
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def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
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value = getattr(obj, self.att_name)
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if value is not None:
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meta = parent.appendChild(dom.createElement("meta"))
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meta.setAttribute("name", self.name)
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meta.setAttribute("content", value_to_xml_string(value, self.type))
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@@ -0,0 +1,85 @@
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from xml.dom import minidom
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from distutils.util import strtobool
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from lottie.nvector import NVector
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from lottie.parsers.sif.sif.frame_time import FrameTime
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class _tag:
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def __init__(self, type):
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self.type = type
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def __call__(self, v):
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return self.type(v)
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bool_str = _tag(bool)
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def str_to_bool(strval):
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return bool(strtobool(strval))
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def value_from_xml_string(xml_str, type, registry):
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if type in (bool_str, bool):
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return str_to_bool(xml_str)
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elif type is NVector:
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return NVector(*map(float, xml_str.split()))
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if type is FrameTime:
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return FrameTime.parse_string(xml_str, registry)
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return type(xml_str)
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def value_to_xml_string(value, type):
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if type is bool:
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return "1" if value else "0"
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if type is bool_str:
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return "true" if value else "false"
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elif type is NVector:
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return " ".join(map(str, value))
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return str(value)
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def value_isinstance(value, type):
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if isinstance(type, _tag):
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type = type.type
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return isinstance(value, type)
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def xml_text(node):
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return "".join(
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x.nodeValue
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for x in node.childNodes
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if x.nodeType in {minidom.Node.TEXT_NODE, minidom.Node.CDATA_SECTION_NODE}
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)
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def xml_make_text(dom: minidom.Document, tag_name, text):
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e = dom.createElement(tag_name)
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e.appendChild(dom.createTextNode(text))
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return e
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def xml_element_matches(ch: minidom.Node, tagname=None):
|
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if ch.nodeType != minidom.Node.ELEMENT_NODE:
|
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return False
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if tagname is not None and ch.tagName != tagname:
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return False
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return True
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def xml_child_elements(xml: minidom.Node, tagname=None):
|
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for ch in xml.childNodes:
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if xml_element_matches(ch, tagname):
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yield ch
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def xml_first_element_child(xml: minidom.Node, tagname=None, allow_none=False):
|
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for ch in xml_child_elements(xml, tagname):
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return ch
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|
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if allow_none:
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return None
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raise ValueError("No %s in %s" % (tagname or "child element", getattr(xml, "tagName", "node")))
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@@ -0,0 +1,217 @@
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from .utils import *
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from .core_nodes import XmlDescriptor, ObjectRegistry
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|
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class XmlParamSif(XmlDescriptor):
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def __init__(self, name, child_node, default_ctor=None):
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super().__init__(name)
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self.child_node = child_node
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||||
self.default_ctor = default_ctor or child_node
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||||
|
||||
def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
|
||||
for cn in xml_child_elements(parent, "param"):
|
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if cn.getAttribute("name") == self.name:
|
||||
value = self.child_node.from_dom(xml_first_element_child(cn), registry)
|
||||
break
|
||||
else:
|
||||
value = self.default()
|
||||
|
||||
setattr(obj, self.att_name, value)
|
||||
|
||||
def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
|
||||
param = parent.appendChild(dom.createElement("param"))
|
||||
param.setAttribute("name", self.name)
|
||||
param.appendChild(getattr(obj, self.att_name).to_dom(dom))
|
||||
return param
|
||||
|
||||
def clean(self, value):
|
||||
if not isinstance(value, self.child_node):
|
||||
raise ValueError("%s isn't a valid value for %s" % (value, self.name))
|
||||
return value
|
||||
|
||||
def default(self):
|
||||
return self.default_ctor()
|
||||
|
||||
|
||||
class SifNodeList:
|
||||
def __init__(self, type):
|
||||
self._items = []
|
||||
self._type = type
|
||||
|
||||
def __len__(self):
|
||||
return len(self._items)
|
||||
|
||||
def __iter__(self):
|
||||
return iter(self._items)
|
||||
|
||||
def __getitem__(self, name):
|
||||
return self._items[name]
|
||||
|
||||
def __getslice__(self, i, j):
|
||||
return self._items[i:j]
|
||||
|
||||
def __setitem__(self, key, value: "Layer"):
|
||||
self.validate(value)
|
||||
self._items[key] = value
|
||||
|
||||
def append(self, value: "Layer"):
|
||||
self.validate(value)
|
||||
self._items.append(value)
|
||||
|
||||
def __str__(self):
|
||||
return str(self._items)
|
||||
|
||||
def __repr__(self):
|
||||
return "<SifNodeList %s>" % self._items
|
||||
|
||||
def validate(self, value):
|
||||
if not isinstance(value, self._type):
|
||||
raise ValueError("Not a valid object: %s" % value)
|
||||
|
||||
|
||||
class XmlSifElement(XmlDescriptor):
|
||||
def __init__(self, name, child_node, nested=True):
|
||||
super().__init__(name)
|
||||
self.child_node = child_node
|
||||
self.nested = nested
|
||||
|
||||
def default(self):
|
||||
return self.child_node()
|
||||
|
||||
def from_python(self, value):
|
||||
if not isinstance(value, self.child_node):
|
||||
raise ValueError("Invalid value for %s: %s" % (self.name, value))
|
||||
return value
|
||||
|
||||
def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
|
||||
cn = xml_first_element_child(parent, self.name, allow_none=True)
|
||||
if cn:
|
||||
if self.nested:
|
||||
element = xml_first_element_child(cn)
|
||||
else:
|
||||
element = cn
|
||||
value = self.child_node.from_dom(element, registry)
|
||||
else:
|
||||
value = self.default()
|
||||
|
||||
setattr(obj, self.att_name, value)
|
||||
|
||||
def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
|
||||
value = getattr(obj, self.att_name)
|
||||
if self.nested:
|
||||
node = dom.createElement(self.name)
|
||||
parent.appendChild(node)
|
||||
else:
|
||||
node = parent
|
||||
node.appendChild(value.to_dom(dom))
|
||||
|
||||
|
||||
class XmlList(XmlDescriptor):
|
||||
def __init__(self, child_node, name=None, wrapper_tag=None, tags=None):
|
||||
super().__init__(wrapper_tag or child_node._tag)
|
||||
self.child_node = child_node
|
||||
self.att_name = self.att_name + "s" if name is None else name
|
||||
self.wrapper_tag = wrapper_tag
|
||||
if tags is None:
|
||||
self.tags = {self.name}
|
||||
else:
|
||||
self.tags = tags
|
||||
|
||||
def default(self):
|
||||
return SifNodeList(self.child_node)
|
||||
|
||||
def clean(self, value):
|
||||
return value
|
||||
|
||||
def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
|
||||
values = self.default()
|
||||
for cn in xml_child_elements(parent):
|
||||
if cn.tagName in self.tags:
|
||||
value_node = cn
|
||||
if self.wrapper_tag:
|
||||
value_node = xml_first_element_child(cn)
|
||||
values.append(self.child_node.from_dom(value_node, registry))
|
||||
|
||||
setattr(obj, self.att_name, values)
|
||||
|
||||
def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
|
||||
for value in getattr(obj, self.att_name):
|
||||
value_node = value.to_dom(dom)
|
||||
if self.wrapper_tag:
|
||||
wrapper = dom.createElement(self.wrapper_tag)
|
||||
wrapper.appendChild(value_node)
|
||||
value_node = wrapper
|
||||
parent.appendChild(value_node)
|
||||
|
||||
|
||||
class XmlWrapper(XmlDescriptor):
|
||||
def __init__(self, name, wrapped: XmlDescriptor):
|
||||
super().__init__(name)
|
||||
self.wrapped = wrapped
|
||||
|
||||
def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
|
||||
wrapper = parent.appendChild(dom.createElement(self.name))
|
||||
self.wrapped.to_xml(obj, wrapper, dom)
|
||||
|
||||
def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
|
||||
wrapper = xml_first_element_child(parent, self.name, True)
|
||||
if wrapper:
|
||||
return self.wrapped.from_xml(obj, wrapper, registry)
|
||||
return self.default()
|
||||
|
||||
def from_python(self, value):
|
||||
return self.wrapped.from_python(value)
|
||||
|
||||
def initialize_object(self, dict, obj):
|
||||
return self.wrapped.initialize_object(dict, obj)
|
||||
|
||||
def clean(self, value):
|
||||
return self.wrapped.clean(value)
|
||||
|
||||
def default(self):
|
||||
return self.wrapped.default()
|
||||
|
||||
|
||||
class XmlWrapperParam(XmlWrapper):
|
||||
def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
|
||||
wrapper = parent.appendChild(dom.createElement("param"))
|
||||
wrapper.setAttribute("name", self.name)
|
||||
self.wrapped.to_xml(obj, wrapper, dom)
|
||||
|
||||
def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
|
||||
for wrapper in xml_child_elements(parent, "param"):
|
||||
if wrapper.getAttribute("name") == self.name:
|
||||
return self.wrapped.from_xml(obj, wrapper, registry)
|
||||
return self.default()
|
||||
|
||||
|
||||
class XmlBoneReference(XmlDescriptor):
|
||||
def __init__(self, name):
|
||||
super().__init__(name)
|
||||
|
||||
def to_xml(self, obj, parent: minidom.Element, dom: minidom.Document):
|
||||
value = getattr(obj, self.name, None)
|
||||
if not value:
|
||||
return
|
||||
|
||||
node = parent.appendChild(dom.createElement(self.name))
|
||||
value_node = node.appendChild(dom.createElement("bone_valuenode"))
|
||||
value_node.setAttribute("type", value.type)
|
||||
value_node.setAttribute("guid", value.guid)
|
||||
|
||||
return node
|
||||
|
||||
def from_xml(self, obj, parent: minidom.Element, registry: ObjectRegistry):
|
||||
node = xml_first_element_child(parent, self.name, True)
|
||||
value = None
|
||||
if node:
|
||||
value_node = xml_first_element_child(node, "bone_valuenode", True)
|
||||
if value_node:
|
||||
value = registry.get_object(value_node.getAttribute("guid"))
|
||||
if value.type != value_node.getAttribute("type"):
|
||||
raise ValueError("Bone type %s is not %s" % (value.type, value_node.getAttribute("type")))
|
||||
|
||||
setattr(obj, self.att_name, value)
|
||||
|
||||
def from_python(self, value):
|
||||
return value
|
||||
Reference in New Issue
Block a user