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bpo-14465: Provide simple prett printing for XML and ETree API - #8933
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Comparing to the solution suggested in #4016, this should bear no performance penalty when pretty_print=False (which is the default). On the other hand, it is not suitable for processing of large XML data. Then some alternative solution (e.g., lxml module) must be used.
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Aug 25, 2018
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Lib/xml/etree/ElementTree.py
| enc_lower = encoding.lower() | ||
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| if pretty_print: | ||
| self._indent(self._root) |
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Sorry, but write() is an output method. It shouldn't have side-effects that change the tree.
Just imagine you'd print or log the tree for debugging purposes and it would alter the serialised result later on.
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Rejecting this PR in its current form, because it adds a side-effect to an otherwise pure output function. |
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Comparing to the solution suggested in #4016, this should bear no performance penalty when pretty_print=False (which is the default). On the other hand, it is not suitable for processing of large XML data. Then some alternative solution (e.g., lxml module) must be used.
https://bugs.python.org/issue14465