21 lines
772 B
Python
21 lines
772 B
Python
import logging
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import json
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from django.forms import widgets
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logger = logging.getLogger(__name__)
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class PrettyJSONWidget(widgets.Textarea):
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def format_value(self, value):
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try:
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value = json.dumps(json.loads(value), indent=2, sort_keys=True, ensure_ascii=False)
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# these lines will try to adjust size of TextArea to fit to content
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row_lengths = [len(r) for r in value.split('\n')]
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self.attrs['rows'] = min(max(len(row_lengths) + 2, 10), 30)
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self.attrs['cols'] = min(max(max(row_lengths) + 2, 40), 120)
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return value
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except Exception as e:
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logger.warning("Error while formatting JSON: {}".format(e))
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return super(PrettyJSONWidget, self).format_value(value)
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