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import json |
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from lxml import etree |
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from .printer import Representable |
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from .transform import SchemaCollector, cfdi_schemas, validate_xsd |
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from .utils import ScalarMap |
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from .transform.objectify import cfdi_objectify |
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from .transform.xmlify import cfdi_xmlify |
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parser = etree.XMLParser(no_network=True, remove_comments=True, remove_blank_text=True) |
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class XElement(ScalarMap, Representable): |
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tag = None |
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def to_xml(self, validate=False, include_schema_location=False) -> etree.Element: |
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xml = cfdi_xmlify[self.tag](self) |
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if validate or include_schema_location: |
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col = SchemaCollector() |
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cfdi_schemas[self.tag](col, self) |
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if validate: |
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validate_xsd(xml, col.base) |
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if include_schema_location: |
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xml.attrib['{http://www.w3.org/2001/XMLSchema-instance}schemaLocation'] = " ".join(col.schemas) |
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return xml |
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def process(self, validate=False) -> 'XElement': |
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return XElement.from_xml(self.to_xml(validate=validate)) |
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def copy(self) -> 'XElement': |
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el = XElement(super().copy()) |
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el.tag = self.tag |
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return el |
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@classmethod |
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def from_xml(cls, xml_root) -> 'XElement': |
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obj = cfdi_objectify[xml_root.tag](cls, xml_root) |
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if not isinstance(obj, XElement): |
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obj = XElement(obj) |
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obj.tag = xml_root.tag |
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return obj |
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@classmethod |
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def from_file(cls, filename) -> 'XElement': |
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return cls.from_xml(etree.parse(filename, parser=parser).getroot()) |
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@classmethod |
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def from_string(cls, string) -> 'XElement': |
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return cls.from_xml(etree.fromstring(string, parser=parser)) |
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def xml_write(self, target, pretty_print=False, xml_declaration=True): |
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xml = self.to_xml() |
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et = etree.ElementTree(xml) |
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et.write( |
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target, |
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xml_declaration=xml_declaration, |
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encoding="UTF-8", |
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pretty_print=pretty_print |
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) |
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def xml_bytes(self, pretty_print=False, xml_declaration=True, validate=False, include_schema_location=False) -> bytes: |
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xml = self.to_xml(validate=validate, include_schema_location=include_schema_location) |
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return etree.tostring(xml, xml_declaration=xml_declaration, encoding="UTF-8", pretty_print=pretty_print) |
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def json_write(self, target, pretty_print=False): |
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if isinstance(target, str): |
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with open(target, 'w') as f: |
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json.dump(self, f, ensure_ascii=False, default=str, indent=2 if pretty_print else None) |
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return |
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json.dump(self, target, ensure_ascii=False, default=str, indent=2 if pretty_print else None) |
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def json_str(self, pretty_print=False) -> str: |
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return json.dumps(self, ensure_ascii=False, default=str, indent=2 if pretty_print else None) |
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def __repr__(self): |
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# return '%s.%s(%s)' % (self.__class__.__module__, |
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# self.__class__.__qualname__, |
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# f'{repr(self.tag)}, {super().__repr__()}') |
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return '%s(%s)' % ( |
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self.__class__.__qualname__, |
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f'{dict.__repr__(self)}' |
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) |
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SAT-CFDI /
python-satcfdi
