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Fixed #22257 -- Added file output option to dumpdata command.

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commit f34e8fc890d44f4f913fe812f2cdeb5666f0fa27 1 parent 416a858
@coder9042 coder9042 authored
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5 django/core/management/commands/dumpdata.py
@@ -36,6 +36,8 @@ class Command(BaseCommand):
help="Only dump objects with given primary keys. "
"Accepts a comma separated list of keys. "
"This option will only work when you specify one model."),
+ make_option('-o' ,'--output', default=None, dest='output',
+ help='Specifies file to which the output is written.'),
)
help = ("Output the contents of the database as a fixture of the given "
"format (using each model's default manager unless --all is "
@@ -47,6 +49,7 @@ def handle(self, *app_labels, **options):
indent = options.get('indent')
using = options.get('database')
excludes = options.get('exclude')
+ output = options.get('output')
show_traceback = options.get('traceback')
use_natural_keys = options.get('use_natural_keys')
if use_natural_keys:
@@ -155,7 +158,7 @@ def get_objects():
serializers.serialize(format, get_objects(), indent=indent,
use_natural_foreign_keys=use_natural_foreign_keys,
use_natural_primary_keys=use_natural_primary_keys,
- stream=self.stdout)
+ stream=open(output, 'w') if output else self.stdout)
except Exception as e:
if show_traceback:
raise
View
7 docs/ref/django-admin.txt
@@ -287,6 +287,13 @@ you can use the ``--pks`` option to specify a comma separated list of
primary keys on which to filter. This is only available when dumping
one model.
+.. versionadded:: 1.8
+
+.. django-admin-option:: --output
+
+By default ``dumpdata`` will output all the serialized data to standard output.
+This options allows to specify the file to which the data is to be written.
+
flush
-----
View
3  docs/releases/1.8.txt
@@ -124,7 +124,8 @@ Internationalization
Management Commands
^^^^^^^^^^^^^^^^^^^
-* ...
+* :djadmin:`dumpdata` now has the option ``--output`` which allows to specify the
+file to which the serialized data is to be written.
Models
^^^^^^
View
15 tests/fixtures/tests.py
@@ -1,5 +1,6 @@
from __future__ import unicode_literals
+import os
import warnings
from django.contrib.sites.models import Site
@@ -37,19 +38,24 @@ def testClassFixtures(self):
class DumpDataAssertMixin(object):
- def _dumpdata_assert(self, args, output, format='json',
+ def _dumpdata_assert(self, args, output, format='json', filename=None,
natural_foreign_keys=False, natural_primary_keys=False,
use_base_manager=False, exclude_list=[], primary_keys=''):
new_io = six.StringIO()
management.call_command('dumpdata', *args, **{'format': format,
'stdout': new_io,
'stderr': new_io,
+ 'output': filename,
'use_natural_foreign_keys': natural_foreign_keys,
'use_natural_primary_keys': natural_primary_keys,
'use_base_manager': use_base_manager,
'exclude': exclude_list,
'primary_keys': primary_keys})
- command_output = new_io.getvalue().strip()
+ if filename:
+ command_output = open(filename, "r").read()
+ os.remove(filename)
+ else:
+ command_output = new_io.getvalue().strip()
if format == "json":
self.assertJSONEqual(command_output, output)
elif format == "xml":
@@ -282,6 +288,11 @@ def test_dumpdata_with_pks(self):
primary_keys='2,3'
)
+ def test_dumpdata_with_file_output(self):
+ management.call_command('loaddata', 'fixture1.json', verbosity=0)
+ self._dumpdata_assert(['fixtures'], '[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16T12:00:00"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16T13:00:00"}}, {"pk": 10, "model": "fixtures.book", "fields": {"name": "Achieving self-awareness of Python programs", "authors": []}}]',
+ filename='dumpdata.json')
+
def test_compress_format_loading(self):
# Load fixture 4 (compressed), using format specification
management.call_command('loaddata', 'fixture4.json', verbosity=0)

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