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July 13, 2023 09:45
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Minimal saxonche sample to transform input XML using XSLT 3.0 to result HTML, taking file names as command line arguments
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| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> | |
| <title>Simple group-by example with a composite grouping key from XSLT 3 specification</title> | |
| </head> | |
| <body> | |
| <p>Milano, Italia: 5.26</p> | |
| <p>Padova, Italia: 0.81</p> | |
| <p>Paris, France: 7.4</p> | |
| </body> | |
| </html> |
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| <cities> | |
| <city name="Milano" country="Italia" year="1950" pop="5.23"/> | |
| <city name="Milano" country="Italia" year="1960" pop="5.29"/> | |
| <city name="Padova" country="Italia" year="1950" pop="0.69"/> | |
| <city name="Padova" country="Italia" year="1960" pop="0.93"/> | |
| <city name="Paris" country="France" year="1951" pop="7.2"/> | |
| <city name="Paris" country="France" year="1961" pop="7.6"/> | |
| </cities> |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" | |
| xmlns:xs="http://www.w3.org/2001/XMLSchema" | |
| exclude-result-prefixes="#all" | |
| version="3.0"> | |
| <xsl:output method="html" indent="yes" html-version="5"/> | |
| <xsl:template match="/"> | |
| <html> | |
| <head> | |
| <title>Simple group-by example with a composite grouping key from XSLT 3 specification</title> | |
| </head> | |
| <body> | |
| <xsl:for-each-group select="cities/city" | |
| group-by="@name, @country" | |
| composite="yes"> | |
| <p> | |
| <xsl:value-of select="current-grouping-key()[1] || ', ' || | |
| current-grouping-key()[2] || ': ' || | |
| avg(current-group()/@pop)"/> | |
| </p> | |
| </xsl:for-each-group> | |
| </body> | |
| </html> | |
| </xsl:template> | |
| </xsl:stylesheet> |
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| import sys | |
| from saxonche import * | |
| with PySaxonProcessor(license=False) as saxon: | |
| xslt30_processor = saxon.new_xslt30_processor() | |
| try: | |
| xslt30_processor.transform_to_file(source_file=sys.argv[1], stylesheet_file=sys.argv[2], output_file=sys.argv[3]) | |
| except PySaxonApiError as e: | |
| print(f'Transformation failed: {e}') |
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