Django loaddata Command that Accepts Stdin

license.txt

Copyright © 2016 Baptiste Mispelon, Peter Novotnak

Permission is hereby granted, free of charge, to any person obtaining a copy of 
this software and associated documentation files (the “Software”), to deal in 
the Software without restriction, including without limitation the rights to 
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
of the Software, and to permit persons to whom the Software is furnished to do 
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all 
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
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SOFTWARE.

loaddata.py

import sys

from django.core.management.commands.loaddata import Command as LoadDataCommand


class Command(LoadDataCommand):
    def parse_name(self, fixture_name):
        self.compression_formats['stdin'] = (lambda x, y: sys.stdin, None)
        if fixture_name == '-':
            return '-', 'json', 'stdin'
        else:
            return super(Command, self).parse_name(fixture_name)

    def find_fixtures(self, fixture_label):
        if fixture_label == '-':
            return [('-', None, '-')]
        return super(Command, self).find_fixtures(fixture_label)