Adam Bem
24c9c2fe5a
Co-authored-by: mikolaj widla <mikolaj.widla@gmail.com> Co-authored-by: Adam Bem <adam.bem@zoho.eu> Reviewed-on: R11/release11-tools-web#81
96 lines
2.5 KiB
Python
96 lines
2.5 KiB
Python
from lxml import etree
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def prettify(source: str) -> str:
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"""Method used to pretty format given XML
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:param source: XML
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:return: prettified XML
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"""
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prolog = ""
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prolog_start = source.find("<?")
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if prolog_start != -1:
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prolog_end = source.find("?>") + 2
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prolog = source[prolog_start:prolog_end] + "\n"
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source = source[prolog_end: ]
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xml = etree.XML(source)
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return prolog + etree.tostring(xml, pretty_print=True).decode()
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def minimize(source: str) -> str:
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"""Method used to minimize XML by deleting not needed whitespaces.
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:param source: XML
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:return: minimized XML
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"""
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result = source
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to_remove = [" ", " ", "\t", "\n"]
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to_substitute = [(" <", "<"), ("> ", ">"), ("</ ", "</"), (" >", ">")]
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for chars in to_remove:
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result = result.replace(chars, "")
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for e in to_substitute:
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result = result.replace(e[0], e[1])
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return result
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def xpath(source: str, xpath: str) -> str:
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"""
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Method used to get nodes from XML string using XPath
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:param source: XML string used for selection
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:param xpath: XPath query used for selection
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:return: Nodes selected using XPath
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"""
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root = etree.XML(source)
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nsmap = root.nsmap
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# LXML doesn't accept empty (None) namespace prefix,
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# so it need to be deleted if exists
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if None in nsmap:
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nsmap.pop(None)
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result = root.xpath(xpath, namespaces=nsmap)
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result_string = ""
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for e in result:
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result_string += etree.tostring(e, pretty_print=True).decode() + "\n"
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return result_string
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def xsd(source: str, xsd: str) -> bool:
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"""
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Method used to validate XML string against XSD schema
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:param source: XML string used for validation
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:param xsd: XSD schema to validate XML against
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:return: Message saying, if the validation was successful or not
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"""
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xml_schema = etree.XMLSchema(etree.XML(xsd))
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xml = etree.XML(source)
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if xml_schema.validate(xml):
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return "XML is valid."
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else:
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return "XML is NOT valid."
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def xslt(source: str, xslt: str) -> str:
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"""
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Method used to transformate XML string using XSLT
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:param source: XML string to transform
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:param xslt: XSLT string used to transformate XML
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:return: Result of transformation
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"""
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xslt_transform = etree.XSLT(etree.XML(xslt))
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xml = etree.XML(source)
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transformated = xslt_transform(xml)
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print(transformated)
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return str(transformated) |