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Fixed #12775 -- Modified the --exclude argument to dumpdata to allow exclusion of individual models. Thanks to emulbreh for the suggestion, and Joshua Ginsberg for the patch. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13511 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2010-08-06 16:48:07 +00:00
parent 6eb7cd1af4
commit 0c37f8d81f
4 changed files with 78 additions and 6 deletions
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1
AUTHORS
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@ -184,6 +184,7 @@ answer newbie questions, and generally made Django that much better:
Idan Gazit
geber@datacollect.com
Baishampayan Ghose
Joshua Ginsberg <jag@flowtheory.net>
Dimitris Glezos <dimitris@glezos.com>
glin@seznam.cz
martin.glueck@gmail.com

27
django/core/management/commands/dumpdata.py
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@ -16,7 +16,7 @@ class Command(BaseCommand):
default=DEFAULT_DB_ALIAS, help='Nominates a specific database to load '
'fixtures into. Defaults to the "default" database.'),
make_option('-e', '--exclude', dest='exclude',action='append', default=[],
help='App to exclude (use multiple --exclude to exclude multiple apps).'),
help='An appname or appname.ModelName to exclude (use multiple --exclude to exclude multiple apps/models).'),
make_option('-n', '--natural', action='store_true', dest='use_natural_keys', default=False,
help='Use natural keys if they are available.'),
)
@ -31,11 +31,25 @@ class Command(BaseCommand):
indent = options.get('indent',None)
using = options.get('database', DEFAULT_DB_ALIAS)
connection = connections[using]
exclude = options.get('exclude',[])
excludes = options.get('exclude',[])
show_traceback = options.get('traceback', False)
use_natural_keys = options.get('use_natural_keys', False)
excluded_apps = set(get_app(app_label) for app_label in exclude)
excluded_apps = set()
excluded_models = set()
for exclude in excludes:
if '.' in exclude:
app_label, model_name = exclude.split('.', 1)
model_obj = get_model(app_label, model_name)
if not model_obj:
raise CommandError('Unknown model in excludes: %s' % exclude)
excluded_models.add(model_obj)
else:
try:
app_obj = get_app(exclude)
excluded_apps.add(app_obj)
except ImproperlyConfigured:
raise CommandError('Unknown app in excludes: %s' % exclude)
if len(app_labels) == 0:
app_list = SortedDict((app, None) for app in get_apps() if app not in excluded_apps)
@ -48,7 +62,8 @@ class Command(BaseCommand):
app = get_app(app_label)
except ImproperlyConfigured:
raise CommandError("Unknown application: %s" % app_label)
if app in excluded_apps:
continue
model = get_model(app_label, model_label)
if model is None:
raise CommandError("Unknown model: %s.%s" % (app_label, model_label))
@ -65,6 +80,8 @@ class Command(BaseCommand):
app = get_app(app_label)
except ImproperlyConfigured:
raise CommandError("Unknown application: %s" % app_label)
if app in excluded_apps:
continue
app_list[app] = None
# Check that the serialization format exists; this is a shortcut to
@ -80,6 +97,8 @@ class Command(BaseCommand):
# Now collate the objects to be serialized.
objects = []
for model in sort_dependencies(app_list.items()):
if model in excluded_models:
continue
if not model._meta.proxy and router.allow_syncdb(using, model):
objects.extend(model._default_manager.using(using).all())

5
docs/ref/django-admin.txt
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@ -227,6 +227,11 @@ pretty-print the output with a number of indentation spaces.
The :djadminopt:`--exclude` option may be provided to prevent specific
applications from being dumped.
.. versionadded:: 1.3
The :djadminopt:`--exclude` option may also be provided to prevent specific
models (specified as in the form of ``appname.ModelName``) from being dumped.
.. versionadded:: 1.1
In addition to specifying application names, you can provide a list of

51
tests/modeltests/fixtures/tests.py
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@ -23,9 +23,14 @@ class TestCaseFixtureLoadingTests(TestCase):
class FixtureLoadingTests(TestCase):
def _dumpdata_assert(self, args, output, format='json', natural_keys=False):
def _dumpdata_assert(self, args, output, format='json', natural_keys=False,
exclude_list=[]):
new_io = StringIO.StringIO()
management.call_command('dumpdata', *args, **{'format':format, 'stdout':new_io, 'use_natural_keys':natural_keys})
management.call_command('dumpdata', *args, **{'format':format,
'stdout':new_io,
'stderr':new_io,
'use_natural_keys':natural_keys,
'exclude': exclude_list})
command_output = new_io.getvalue().strip()
self.assertEqual(command_output, output)
@ -150,6 +155,48 @@ class FixtureLoadingTests(TestCase):
self._dumpdata_assert(['fixtures'], """<?xml version="1.0" encoding="utf-8"?>
<django-objects version="1.0"><object pk="1" model="fixtures.category"><field type="CharField" name="title">News Stories</field><field type="TextField" name="description">Latest news stories</field></object><object pk="5" model="fixtures.article"><field type="CharField" name="headline">XML identified as leading cause of cancer</field><field type="DateTimeField" name="pub_date">2006-06-16 16:00:00</field></object><object pk="4" model="fixtures.article"><field type="CharField" name="headline">Django conquers world!</field><field type="DateTimeField" name="pub_date">2006-06-16 15:00:00</field></object><object pk="3" model="fixtures.article"><field type="CharField" name="headline">Copyright is fine the way it is</field><field type="DateTimeField" name="pub_date">2006-06-16 14:00:00</field></object><object pk="2" model="fixtures.article"><field type="CharField" name="headline">Poker on TV is great!</field><field type="DateTimeField" name="pub_date">2006-06-16 11:00:00</field></object><object pk="1" model="fixtures.article"><field type="CharField" name="headline">Python program becomes self aware</field><field type="DateTimeField" name="pub_date">2006-06-16 11:00:00</field></object><object pk="1" model="fixtures.tag"><field type="CharField" name="name">copyright</field><field to="contenttypes.contenttype" name="tagged_type" rel="ManyToOneRel"><natural>fixtures</natural><natural>article</natural></field><field type="PositiveIntegerField" name="tagged_id">3</field></object><object pk="2" model="fixtures.tag"><field type="CharField" name="name">legal</field><field to="contenttypes.contenttype" name="tagged_type" rel="ManyToOneRel"><natural>fixtures</natural><natural>article</natural></field><field type="PositiveIntegerField" name="tagged_id">3</field></object><object pk="3" model="fixtures.tag"><field type="CharField" name="name">django</field><field to="contenttypes.contenttype" name="tagged_type" rel="ManyToOneRel"><natural>fixtures</natural><natural>article</natural></field><field type="PositiveIntegerField" name="tagged_id">4</field></object><object pk="4" model="fixtures.tag"><field type="CharField" name="name">world domination</field><field to="contenttypes.contenttype" name="tagged_type" rel="ManyToOneRel"><natural>fixtures</natural><natural>article</natural></field><field type="PositiveIntegerField" name="tagged_id">4</field></object><object pk="3" model="fixtures.person"><field type="CharField" name="name">Artist formerly known as "Prince"</field></object><object pk="1" model="fixtures.person"><field type="CharField" name="name">Django Reinhardt</field></object><object pk="2" model="fixtures.person"><field type="CharField" name="name">Stephane Grappelli</field></object><object pk="1" model="fixtures.visa"><field to="fixtures.person" name="person" rel="ManyToOneRel"><natural>Django Reinhardt</natural></field><field to="auth.permission" name="permissions" rel="ManyToManyRel"><object><natural>add_user</natural><natural>auth</natural><natural>user</natural></object><object><natural>change_user</natural><natural>auth</natural><natural>user</natural></object><object><natural>delete_user</natural><natural>auth</natural><natural>user</natural></object></field></object><object pk="2" model="fixtures.visa"><field to="fixtures.person" name="person" rel="ManyToOneRel"><natural>Stephane Grappelli</natural></field><field to="auth.permission" name="permissions" rel="ManyToManyRel"><object><natural>add_user</natural><natural>auth</natural><natural>user</natural></object><object><natural>delete_user</natural><natural>auth</natural><natural>user</natural></object></field></object><object pk="3" model="fixtures.visa"><field to="fixtures.person" name="person" rel="ManyToOneRel"><natural>Artist formerly known as "Prince"</natural></field><field to="auth.permission" name="permissions" rel="ManyToManyRel"><object><natural>change_user</natural><natural>auth</natural><natural>user</natural></object></field></object><object pk="1" model="fixtures.book"><field type="CharField" name="name">Music for all ages</field><field to="fixtures.person" name="authors" rel="ManyToManyRel"><object><natural>Artist formerly known as "Prince"</natural></object><object><natural>Django Reinhardt</natural></object></field></object></django-objects>""", format='xml', natural_keys=True)
def test_dumpdata_with_excludes(self):
# Load fixture1 which has a site, two articles, and a category
management.call_command('loaddata', 'fixture1.json', verbosity=0, commit=False)
# Excluding fixtures app should only leave sites
self._dumpdata_assert(
['sites', 'fixtures'],
'[{"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}]',
exclude_list=['fixtures'])
# Excluding fixtures.Article should leave fixtures.Category
self._dumpdata_assert(
['sites', 'fixtures'],
'[{"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}, {"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]',
exclude_list=['fixtures.Article'])
# Excluding fixtures and fixtures.Article should be a no-op
self._dumpdata_assert(
['sites', 'fixtures'],
'[{"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}, {"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]',
exclude_list=['fixtures.Article'])
# Excluding sites and fixtures.Article should only leave fixtures.Category
self._dumpdata_assert(
['sites', 'fixtures'],
'[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]',
exclude_list=['fixtures.Article', 'sites'])
# Excluding a bogus app should throw an error
self.assertRaises(SystemExit,
self._dumpdata_assert,
['fixtures', 'sites'],
'',
exclude_list=['foo_app'])
# Excluding a bogus model should throw an error
self.assertRaises(SystemExit,
self._dumpdata_assert,
['fixtures', 'sites'],
'',
exclude_list=['fixtures.FooModel'])
def test_compress_format_loading(self):
# Load fixture 4 (compressed), using format specification
management.call_command('loaddata', 'fixture4.json', verbosity=0, commit=False)