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66 lines
2.0 KiB
66 lines
2.0 KiB
5 years ago
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#!/usr/bin/env python3
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# Based on jeffbr's xq
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# a1ba: added unicode output
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import argparse
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import sys
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from typing import Union
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from lxml import etree
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from lxml.builder import E
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from pygments import highlight
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from pygments.formatters.other import NullFormatter
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from pygments.formatters.terminal import TerminalFormatter
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from pygments.lexers.html import XmlLexer
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# from . import NAME, DESCRIPTION, VERSION
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NAME = 'xq'
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VERSION = '0.0.4'
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DESCRIPTION = 'like jq but for XML and XPath'
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def wrap_in_results(elements: [Union[etree._Element, etree._ElementUnicodeResult]]) -> etree._Element:
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results = E.results()
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for el in elements:
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results.append(E.result(el))
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return results
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def apply_xpath(infile, xpath_query=None, colorize=False):
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try:
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parsed = etree.parse(infile, etree.XMLParser(remove_blank_text=True))
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except etree.XMLSyntaxError:
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parsed = etree.parse(infile, etree.HTMLParser(remove_blank_text=True))
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if xpath_query:
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matches = parsed.xpath(xpath_query)
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results = wrap_in_results(matches)
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output = etree.tostring(results, pretty_print=True, encoding='unicode')
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else:
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output = etree.tostring(parsed, pretty_print=True, encoding='unicode')
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formatter = TerminalFormatter() if colorize else NullFormatter()
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return highlight(output, XmlLexer(), formatter)
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def main():
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parser = argparse.ArgumentParser(
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prog=NAME,
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description=DESCRIPTION,
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)
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parser.add_argument('-v', '--version', action='version', version='%(prog)s ' + VERSION)
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parser.add_argument(
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'xpath_query', nargs='?', type=str,
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help='XPath query to apply to XML document.'
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)
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parser.add_argument(
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'file', nargs='?', type=argparse.FileType('r'), default=sys.stdin,
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help='XML file to process. Defaults to STDIN.',
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)
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args = parser.parse_args()
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sys.stdout.write(apply_xpath(args.file, args.xpath_query, sys.stdout.isatty()))
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if __name__ == '__main__':
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main()
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