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Fixed #5610 -- Added the ability for dumpdata to take individual model names, as well as entire applications. Thanks to David Reynolds for his work on this patch.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@9921 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee
parent
b337884fcf
commit
db2a95f6f5
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@ -1,3 +1,4 @@
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from django.core.exceptions import ImproperlyConfigured
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from django.core.management.base import BaseCommand, CommandError
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from django.core import serializers
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@ -9,14 +10,14 @@ class Command(BaseCommand):
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help='Specifies the output serialization format for fixtures.'),
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make_option('--indent', default=None, dest='indent', type='int',
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help='Specifies the indent level to use when pretty-printing output'),
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make_option('-e', '--exclude', dest='exclude',action='append', default=[],
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make_option('-e', '--exclude', dest='exclude',action='append', default=[],
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help='App to exclude (use multiple --exclude to exclude multiple apps).'),
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)
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help = 'Output the contents of the database as a fixture of the given format.'
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args = '[appname ...]'
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def handle(self, *app_labels, **options):
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from django.db.models import get_app, get_apps, get_models
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from django.db.models import get_app, get_apps, get_models, get_model
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format = options.get('format','json')
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indent = options.get('indent',None)
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@ -26,9 +27,34 @@ class Command(BaseCommand):
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excluded_apps = [get_app(app_label) for app_label in exclude]
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if len(app_labels) == 0:
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app_list = [app for app in get_apps() if app not in excluded_apps]
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app_list = dict([(app, None) for app in get_apps() if app not in excluded_apps])
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else:
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app_list = [get_app(app_label) for app_label in app_labels]
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app_list = {}
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for label in app_labels:
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try:
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app_label, model_label = label.split('.')
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try:
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app = get_app(app_label)
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except ImproperlyConfigured:
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raise CommandError("Unknown application: %s" % app_label)
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model = get_model(app_label, model_label)
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if model is None:
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raise CommandError("Unknown model: %s.%s" % (app_label, model_label))
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if app in app_list.keys():
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if app_list[app] and model not in app_list[app]:
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app_list[app].append(model)
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else:
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app_list[app] = [model]
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except ValueError:
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# This is just an app - no model qualifier
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app_label = label
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try:
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app = get_app(app_label)
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except ImproperlyConfigured:
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raise CommandError("Unknown application: %s" % app_label)
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app_list[app] = None
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# Check that the serialization format exists; this is a shortcut to
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# avoid collating all the objects and _then_ failing.
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@ -41,9 +67,13 @@ class Command(BaseCommand):
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raise CommandError("Unknown serialization format: %s" % format)
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objects = []
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for app in app_list:
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for model in get_models(app):
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objects.extend(model._default_manager.all())
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for app, model_list in app_list.items():
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if model_list is None:
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model_list = get_models(app)
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for model in model_list:
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objects.extend(model.objects.all())
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try:
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return serializers.serialize(format, objects, indent=indent)
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except Exception, e:
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@ -186,7 +186,7 @@ if you're ever curious to see the full list of defaults.
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dumpdata
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--------
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.. django-admin:: dumpdata <appname appname ...>
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.. django-admin:: dumpdata <appname appname appname.Model ...>
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Outputs to standard output all data in the database associated with the named
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application(s).
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@ -228,6 +228,14 @@ directives::
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easy for humans to read, so you can use the ``--indent`` option to
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pretty-print the output with a number of indentation spaces.
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.. versionadded: 1.1
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In addition to specifying application names, you can provide a list of
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individual models, in the form of ``appname.Model``. If you specify a model
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name to ``dumpdata``, the dumped output will be restricted to that model,
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rather than the entire application. You can also mix application names and
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model names.
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flush
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-----
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@ -1,18 +1,34 @@
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[
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{
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"pk": "2",
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"model": "fixtures.article",
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"pk": 1,
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"model": "sites.site",
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"fields": {
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"headline": "Poker has no place on ESPN",
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"domain": "example.com",
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"name": "example.com"
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}
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},
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{
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"pk": "2",
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"model": "fixtures.article",
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"fields": {
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"headline": "Poker has no place on ESPN",
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"pub_date": "2006-06-16 12:00:00"
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}
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},
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},
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{
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"pk": "3",
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"model": "fixtures.article",
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"pk": "3",
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"model": "fixtures.article",
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"fields": {
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"headline": "Time to reform copyright",
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"headline": "Time to reform copyright",
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"pub_date": "2006-06-16 13:00:00"
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}
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},
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{
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"pk": 1,
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"model": "fixtures.category",
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"fields": {
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"description": "Latest news stories",
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"title": "News Stories"
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}
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}
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]
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@ -11,6 +11,16 @@ in the application directory, on in one of the directories named in the
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from django.db import models
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from django.conf import settings
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class Category(models.Model):
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title = models.CharField(max_length=100)
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description = models.TextField()
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def __unicode__(self):
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return self.title
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class Meta:
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ordering = ('title',)
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class Article(models.Model):
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headline = models.CharField(max_length=100, default='Default headline')
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pub_date = models.DateTimeField()
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@ -38,6 +48,38 @@ __test__ = {'API_TESTS': """
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>>> Article.objects.all()
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[<Article: Time to reform copyright>, <Article: Poker has no place on ESPN>, <Article: Python program becomes self aware>]
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# Dump the current contents of the database as a JSON fixture
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>>> management.call_command('dumpdata', 'fixtures', format='json')
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[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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# Try just dumping the contents of fixtures.Category
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>>> management.call_command('dumpdata', 'fixtures.Category', format='json')
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[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}]
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# ...and just fixtures.Article
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>>> management.call_command('dumpdata', 'fixtures.Article', format='json')
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[{"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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# ...and both
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>>> management.call_command('dumpdata', 'fixtures.Category', 'fixtures.Article', format='json')
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[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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# Specify a specific model twice
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>>> management.call_command('dumpdata', 'fixtures.Article', 'fixtures.Article', format='json')
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[{"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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# Specify a dump that specifies Article both explicitly and implicitly
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>>> management.call_command('dumpdata', 'fixtures.Article', 'fixtures', format='json')
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[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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# Same again, but specify in the reverse order
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>>> management.call_command('dumpdata', 'fixtures', 'fixtures.Article', format='json')
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[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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# Specify one model from one application, and an entire other application.
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>>> management.call_command('dumpdata', 'fixtures.Category', 'sites', format='json')
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[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 1, "model": "sites.site", "fields": {"domain": "example.com", "name": "example.com"}}]
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# Load fixture 2. JSON file imported by default. Overwrites some existing objects
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>>> management.call_command('loaddata', 'fixture2.json', verbosity=0)
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>>> Article.objects.all()
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@ -82,7 +124,7 @@ Multiple fixtures named 'fixture2' in '...fixtures'. Aborting.
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# Dump the current contents of the database as a JSON fixture
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>>> management.call_command('dumpdata', 'fixtures', format='json')
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[{"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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[{"pk": 1, "model": "fixtures.category", "fields": {"description": "Latest news stories", "title": "News Stories"}}, {"pk": 3, "model": "fixtures.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:00"}}, {"pk": 2, "model": "fixtures.article", "fields": {"headline": "Poker has no place on ESPN", "pub_date": "2006-06-16 12:00:00"}}, {"pk": 1, "model": "fixtures.article", "fields": {"headline": "Python program becomes self aware", "pub_date": "2006-06-16 11:00:00"}}]
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# Load fixture 4 (compressed), using format discovery
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>>> management.call_command('loaddata', 'fixture4', verbosity=0)
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@ -116,6 +158,7 @@ Multiple fixtures named 'fixture2' in '...fixtures'. Aborting.
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# because there are two fixture5's in the fixtures directory
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>>> management.call_command('loaddata', 'fixture5', verbosity=0) # doctest: +ELLIPSIS
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Multiple fixtures named 'fixture5' in '...fixtures'. Aborting.
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"""
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from django.test import TestCase
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