def process_batch(key, batch_info, iv):
"""Loops through items in a batch and processes them."""
batch_info = pickle.loads(decrypt(key, batch_info, iv.decode('hex')))
success = True
if 'dependencies' in batch_info:
dependencies = serializers.deserialize('json', batch_info['dependencies'])
for dep in dependencies:
dep.save()
if 'update' in batch_info:
updates = serializers.deserialize('json', batch_info['update'])
for item in updates:
with reversion.create_revision():
item.save()
if 'deletions' in batch_info:
deletions = json.loads(batch_info['deletions'])
for deletion in deletions:
app_label, model_label, object_id = deletion
ct = ContentType.objects.get_by_natural_key(app_label, model_label)
for result in ct.model_class().objects.filter(pk=object_id):
with reversion.create_revision():
result.delete()
return success
def get_stock_history(self):
stock_history = []
for sh in StockUpdateHistory.objects.filter(stock=self).order_by('-datetime_created'):
history_info = json.loads(sh.history_info)
data = {}
data['previous_state'] = {}
data['new_state'] = {}
data['datetime_created'] = str(defaultfilters.date(sh.datetime_created, "Y-m-d H:m"))
data['reason'] = history_info['reason']
for obj in serializers.deserialize("json", history_info['previous_state']):
data['previous_state']['quantity'] = str(format_number(obj.object.quantity))
data['previous_state']['stock'] = str(format_number(obj.object.stock))
data['previous_state']['left_stock'] = str(format_number(obj.object.left_stock))
data['previous_state']['purchase_price'] = str(format_number(obj.object.purchase_price))
for obj in serializers.deserialize("json", history_info['new_state']):
data['new_state']['quantity'] = str(format_number(obj.object.quantity))
data['new_state']['stock'] = str(format_number(obj.object.stock))
data['new_state']['left_stock'] = str(format_number(obj.object.left_stock))
data['new_state']['purchase_price'] = str(format_number(obj.object.purchase_price))
stock_history.append(data)
return stock_history
def _process_history_text(history, text):
key_values = {
'content_object': history.content_object,
'datetime': history.datetime
}
loaded_dictionary = json.loads(history.dictionary)
new_dict = {}
for key, values in loaded_dictionary.items():
value_type = pickle.loads(str(values['type']))
if isinstance(value_type, models.base.ModelBase):
for deserialized in serializers.deserialize('json', values['value']):
new_dict[key] = deserialized.object
elif isinstance(value_type, models.query.QuerySet):
qs = []
for deserialized in serializers.deserialize('json', values['value']):
qs.append(deserialized.object)
new_dict[key] = qs
else:
new_dict[key] = json.loads(values['value'])
key_values.update(new_dict)
expressions_dict = {}
for key, value in history.get_expressions().items():
try:
expressions_dict[key] = eval(value, key_values.copy())
except Exception, e:
expressions_dict[key] = e
def processquerycadist(request):
# Get query result from garfield server
gojson = gopq(request).content
# Re-create Post objects ... to get the time
posts = []
for p in serializers.deserialize("json", gojson):
posts.append(p.object)
# Get time that is reported from Gafrield & Odie
time_diff = posts.pop(0).text
# Get posts from Minerva SQL for the text
mjson = processquery(request).content
# Re-create Post objects ... to get the time
posts = []
for p in serializers.deserialize("json", mjson):
posts.append(p.object)
# Substitute with the right time
p = posts.pop(0)
posts.insert(0, Post(text=time_diff))
# Return JSON response of query logic
data = serializers.serialize("json", posts)
return HttpResponse(data, content_type="application/json")
def runTest(self):
logger = logging.getLogger("TestWSGI TestPut")
h = httplib2.Http()
url = URL_BASE + '1/'
for input in bad_json_strings:
logger.info('accessing: ' + url)
response, content = h.request(url, 'PUT', input, headers=json_headers)
self.assertTrue(response.status == HTTP_BAD_REQUEST)
logger.info('got expected error message: ' + content)
logger.info('get current description')
response, content = h.request(url,'GET', headers=json_headers)
self.assertTrue(response.status == HTTP_OK)
get_event = serializers.deserialize('json',content).next().object
self.assertTrue(get_event.description != NEW_DESCRIPTION)
logger.info('putting new description in place')
response, content = h.request(url, 'PUT', good_json_string, headers=json_headers)
self.assertTrue(response.status == HTTP_OK)
logger.info('checking for new description')
response, content = h.request(url,'GET', headers=json_headers)
self.assertTrue(response.status == HTTP_OK)
get_event = serializers.deserialize('json',content).next().object
self.assertTrue(get_event.description == NEW_DESCRIPTION)
def jsonBack(json):
"""
还原Json数据
"""
if json[0] == '[':
return deserialize('json', json)
else:
return deserialize('json', '[' + json + ']')
def test_invalid_json(self):
# invalid json data {] in the json and default_json fields
ser = '[{"pk": 1, "model": "jsonfield.jsoncharmodel", ' \
'"fields": {"json": "{]", "default_json": "{]"}}]'
with self.assertRaises(DeserializationError) as cm:
deserialize('json', ser).next()
inner = cm.exception.args[0]
self.assertTrue(isinstance(inner, ValidationError))
self.assertEquals('Enter valid JSON', inner.messages[0])
def Deserializer(stream_or_string, **options):
"""
Deserialize a stream or string of mako template data.
"""
from mako.template import Template
filepath = os.path.splitext(options.get('filepath'))[0]
# adjust filepath
options['filepath'] = filepath
stream_or_string = Template(stream_or_string.read()).render()
serializers.deserialize(os.path.splitext(filepath)[1], stream_or_string, **options)
def test_serialize_range_with_null(self):
instance = RangesModel(ints=NumericRange(None, 10))
data = serializers.serialize('json', [instance])
new_instance = list(serializers.deserialize('json', data))[0].object
self.assertEqual(new_instance.ints, NumericRange(None, 10))
instance = RangesModel(ints=NumericRange(10, None))
data = serializers.serialize('json', [instance])
new_instance = list(serializers.deserialize('json', data))[0].object
self.assertEqual(new_instance.ints, NumericRange(10, None))
def evaluation(request, course_short_title=None):
course = Course.get_or_raise_404(short_title=course_short_title)
overview = ""
elaborations = []
count = 0
selection = request.session.get("selection", "error")
if selection not in ("error", "questions"):
for serialized_elaboration in serializers.deserialize("json", request.session.get("elaborations", {})):
elaborations.append(serialized_elaboration.object)
if selection == "search":
display_points = request.session.get("display_points", "error")
if display_points == "true":
user = AuroraUser.objects.get(username=request.session.get("selected_user"))
points = get_points(request, user, course)
data = {
"elaborations": elaborations,
"search": True,
"stacks": points["stacks"],
"courses": points["courses"],
"review_evaluation_data": points["review_evaluation_data"],
"course": course,
}
else:
data = {"elaborations": elaborations, "search": True, "course": course}
elif selection == "complaints":
data = {"elaborations": elaborations, "course": course, "complaints": "true"}
else:
data = {"elaborations": elaborations, "course": course}
overview = render_to_string("overview.html", data, RequestContext(request))
count = len(elaborations)
elif selection == "questions":
# get selected challenges from session
challenges = []
for serialized_challenge in serializers.deserialize("json", request.session.get("challenges", {})):
challenges.append(serialized_challenge.object)
count = len(challenges)
overview = render_to_string("questions.html", {"challenges": challenges}, RequestContext(request))
challenges = Challenge.objects.all()
return render_to_response(
"evaluation.html",
{
"challenges": challenges,
"overview": overview,
"count_" + request.session.get("selection", ""): count,
"stabilosiert_" + request.session.get("selection", ""): "stabilosiert",
"course": course,
"selected_challenge": request.session.get("selected_challenge"),
"selected_user": request.session.get("selected_user"),
"selected_task": request.session.get("selected_task"),
},
context_instance=RequestContext(request),
)
def test_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
data = serializers.serialize('python', [Event(dt=dt)])
self.assertEqual(data[0]['fields']['dt'], dt)
obj = serializers.deserialize('python', data).next().object
self.assertEqual(obj.dt, dt)
data = serializers.serialize('json', [Event(dt=dt)])
self.assertIn('"fields": {"dt": "2011-09-01T13:20:30"}', data)
obj = serializers.deserialize('json', data).
def deserialize():
"""
Записать из файла
"""
from django.core import serializers
data = open("D:/test2.xml")
serializers.deserialize("xml", data, ignorenonexistent=True)
for deserialized_object in serializers.deserialize("xml", data):
if Student(deserialized_object):
deserialized_object.save()
if Group(deserialized_object):
deserialized_object.save()
def handle_document(request):
area = None
areacode = request.session.get('areacode')
if areacode:
area = Area.objects.get(id=int(areacode))
if request.method == 'POST':
form = DocumentAddForm(request.POST)
if form.is_valid():
a = Document()
a.establishment = form.cleaned_data['establishment']
a.documentType = form.cleaned_data['documentType']
a.expeditionDate = form.cleaned_data['expeditionDate']
a.expirationDate = form.cleaned_data['expirationDate']
if form.cleaned_data['enabled']:
a.documentStatus = statusForExpirationDate(form.cleaned_data['expirationDate'])
else:
a.documentStatus = DocumentStatus.objects.filter(enabled=False)[0]
a.save()
h = DocumentHistory()
h.user = request.user
h.operation = "CREATION"
h.snapshot = to_JSON(a)
h.document = a
h.save()
a.documenthistory_set.add(h)
extraFieldsCount = DocumentTypeField.objects.filter(documentType=a.documentType).count()
if extraFieldsCount > 0:
return HttpResponseRedirect('/document/' + str(a.id) + '/')
else:
return HttpResponseRedirect('/documents/')
else:
selectionList = request.session.get('selection_list')
e = None
if 'establishment' in selectionList:
for obj in serializers.deserialize("json", selectionList['establishment']):
e = obj.object
t = None
if 'documentType' in selectionList:
for obj in serializers.deserialize("json", selectionList['documentType']):
t = obj.object
st = None
form = DocumentAddForm(initial={'establishment': e,'documentType': t })
form.fields['enabled'].initial = True
return render(request, 'detail_template.html', {'form': form, 'action':'/document/', 'http_method':'POST', 'area' : area})
def evaluation(request, course_short_title=None):
course = Course.get_or_raise_404(short_title=course_short_title)
overview = ""
elaborations = []
count = 0
selection = request.session.get('selection', 'error')
if selection not in ('error', 'questions'):
for serialized_elaboration in serializers.deserialize('json', request.session.get('elaborations', {})):
elaborations.append(serialized_elaboration.object)
if selection == 'search':
display_points = request.session.get('display_points', 'error')
if display_points == "true":
user = AuroraUser.objects.get(username=request.session.get('selected_user'))
points = get_points(request, user, course)
data = {
'elaborations': elaborations,
'search': True,
'stacks': points['stacks'],
'courses': points['courses'],
'review_evaluation_data': points['review_evaluation_data'],
'course': course
}
else:
data = {'elaborations': elaborations, 'search': True, 'course': course}
elif selection == 'complaints':
data = {'elaborations': elaborations, 'course': course, 'complaints': 'true'}
else:
data = {'elaborations': elaborations, 'course': course}
overview = render_to_string('overview.html', data, RequestContext(request))
count = len(elaborations)
elif selection == 'questions':
# get selected challenges from session
challenges = []
for serialized_challenge in serializers.deserialize('json', request.session.get('challenges', {})):
challenges.append(serialized_challenge.object)
count = len(challenges)
overview = render_to_string('questions.html', {'challenges': challenges}, RequestContext(request))
challenges = Challenge.objects.all()
return render_to_response('evaluation.html',
{'challenges': challenges,
'overview': overview,
'count_' + request.session.get('selection', ''): count,
'stabilosiert_' + request.session.get('selection', ''): 'stabilosiert',
'course': course,
'selected_challenge': request.session.get('selected_challenge'),
'selected_user': request.session.get('selected_user'),
'selected_task': request.session.get('selected_task'),
},
context_instance=RequestContext(request))
def json_back(self, json_data):
'''
进行Json字符串的反序列化一般来说，从网络得回的POST（或者GET）
参数中所包含json数据,例如，用POST传过来的参数中有一个key value键值对为
request.POST['update']= "[{pk:1,name:'changename'},{pk:2,name:'changename2'}]"
要将这个value进行反序列化,则可以使用Django内置的序列化与反序列化,但是问题在于
传回的有可能是代表单个对象的json字符串如：
request.POST['update'] = "{pk:1,name:'changename'}"
这是，由于Django无法处理单个对象,因此要做适当的处理
将其模拟成一个数组，也就是用'[]'进行包围,再进行反序列化
'''
if json_data[0] == '[':
return deserialize('json', json_data)
else:
return deserialize('json', '['+json_data+']')
def jsonBack(json):
""" 进行Json字符串的反序列化
一般来说，从网络得回的POST（或者GET）参数中所包含json数据
例如，用POST传过来的参数中有一个key value键值对为
request.POST['update'] = "[{pk:1,name:'changename'},{pk:2,name:'changename2'}]"
要将这个value进行反序列化则可以使用Django内置的序列化与反序列化
但是问题在于传回的有可能是代表单个对象的json字符串，如：
request.POST['update'] = "{pk:1,name:'changename'}"
这是，由于Django无法处理单个对象,因此要做适当的处理
将其模拟成一个数组，也就是用'[]'进行包围再进行反序列化
"""
if json[0] == '[':
return deserialize('json',json)
else:
return deserialize('json','[' + json + ']')
def get(self, request, *args, **kwargs):
try:
self.object = self.get_object()
except Http404:
messages.error(self.request, 'That issue was not found.')
return redirect("/")
context = self.get_context_data(object=self.object)
return self.render_to_response(context)
if self.request.GET.get('paymentId'):
import paypalrestsdk
paypalrestsdk.configure({
'mode': settings.MODE,
'client_id': settings.CLIENT_ID,
'client_secret': settings.CLIENT_SECRET
})
payment = paypalrestsdk.Payment.find(self.request.GET.get('paymentId'))
custom = payment.transactions[0].custom
if payment.execute({"payer_id": self.request.GET.get('PayerID')}):
for obj in serializers.deserialize("json", custom, ignorenonexistent=True):
obj.object.created = datetime.datetime.now()
obj.object.checkout_id = self.request.GET.get('checkout_id')
obj.save()
action.send(self.request.user, verb='placed a $' + str(obj.object.price) + ' bounty on ', target=obj.object.issue)
post_to_slack(obj.object)
if not settings.DEBUG:
create_comment(obj.object.issue)
else:
messages.error(request, payment.error)
if self.request.GET.get('checkout_id'):
wepay = WePay(settings.WEPAY_IN_PRODUCTION, settings.WEPAY_ACCESS_TOKEN)
wepay_data = wepay.call('/checkout/', {
'checkout_id': self.request.GET.get('checkout_id'),
})
for obj in serializers.deserialize("xml", wepay_data['long_description'], ignorenonexistent=True):
obj.object.created = datetime.datetime.now()
obj.object.checkout_id = self.request.GET.get('checkout_id')
obj.save()
action.send(self.request.user, verb='placed a $' + str(obj.object.price) + ' bounty on ', target=obj.object.issue)
post_to_slack(obj.object)
if not settings.DEBUG:
create_comment(obj.object.issue)
return super(IssueDetailView, self).get(request, *args, **kwargs)
def processquerydist(request):
# FIXME: Parallelize these queries
# Get Athena post objects
ajson = apq(request).content
aposts = []
for p in serializers.deserialize("json", ajson):
aposts.append(p.object)
# Get Zeus post objects
zjson = zpq(request).content
zposts = []
for p in serializers.deserialize("json", zjson):
zposts.append(p.object)
# Get time and err_msg if any
a_post_time = aposts.pop(0).text
z_post_time = zposts.pop(0).text
# Error message NOT used here. Taken care of with Minerva's monolithic
# MySQL server. But we return them nonetheless for debugging purposes.
a_err_msg = aposts.pop(0).text
z_err_msg = zposts.pop(0).text
# Build error message and get execution time: max of both exec time
err_msg = ", ".join([a_err_msg, z_err_msg])
time_diff = max(float(a_post_time), float(z_post_time))
# Append to form all posts
posts = []
posts.extend(aposts)
posts.extend(zposts)
# Order posts by id descendingly
posts = sorted(posts, key=lambda post: -post.id)
# Get appropriate number of post results
post_results = posts[:POST_RETURN_LIMIT]
# Insert err_msg followed by time
post_results.insert(0, Post(text=err_msg))
post_results.insert(0, Post(text=time_diff))
# Return JSON response of query logic
data = serializers.serialize("json", post_results)
return HttpResponse(data, content_type="application/json")
def serializerTest(format, self):
# Create all the objects defined in the test data
objects = []
instance_count = {}
for (func, pk, klass, datum) in test_data:
with connection.constraint_checks_disabled():
objects.extend(func[0](pk, klass, datum))
# Get a count of the number of objects created for each class
for klass in instance_count:
instance_count[klass] = klass.objects.count()
# Add the generic tagged objects to the object list
objects.extend(Tag.objects.all())
# Serialize the test database
serialized_data = serializers.serialize(format, objects, indent=2)
for obj in serializers.deserialize(format, serialized_data):
obj.save()
# Assert that the deserialized data is the same
# as the original source
for (func, pk, klass, datum) in test_data:
func[1](self, pk, klass, datum)
# Assert that the number of objects deserialized is the
# same as the number that was serialized.
for klass, count in instance_count.items():
self.assertEqual(count, klass.objects.count())
def test_helpful_error_message_for_many2many_non_natural(self):
"""
Invalid many-to-many keys should throw a helpful error message.
"""
test_string = """[{
"pk": 1,
"model": "serializers.article",
"fields": {
"author": 1,
"headline": "Unknown many to many",
"pub_date": "2014-09-15T10:35:00",
"categories": [1, "doesnotexist"]
}
}, {
"pk": 1,
"model": "serializers.author",
"fields": {
"name": "Agnes"
}
}, {
"pk": 1,
"model": "serializers.category",
"fields": {
"name": "Reference"
}
}]"""
expected = "(serializers.article:pk=1) field_value was 'doesnotexist'"
with self.assertRaisesMessage(serializers.base.DeserializationError, expected):
list(serializers.deserialize('json', test_string))
def test_dump_and_load_m2m_simple(self):
"""
Test serializing and deserializing back models with simple M2M relations
"""
a = M2MSimpleA.objects.create(data="a")
b1 = M2MSimpleB.objects.create(data="b1")
b2 = M2MSimpleB.objects.create(data="b2")
a.b_set.add(b1)
a.b_set.add(b2)
out = StringIO()
management.call_command(
'dumpdata',
'fixtures_regress.M2MSimpleA',
'fixtures_regress.M2MSimpleB',
use_natural_foreign_keys=True,
stdout=out,
)
for model in [M2MSimpleA, M2MSimpleB]:
model.objects.all().delete()
objects = serializers.deserialize("json", out.getvalue())
for obj in objects:
obj.save()
new_a = M2MSimpleA.objects.get_by_natural_key("a")
self.assertQuerysetEqual(new_a.b_set.all(), [
"<M2MSimpleB: b1>",
"<M2MSimpleB: b2>"
], ordered=False)
def test_helpful_error_message_for_many2many_natural2(self):
"""
Invalid many-to-many keys should throw a helpful error message. This
tests the code path where a natural many-to-many key has only a single
value.
"""
test_string = """[{
"pk": 1,
"model": "serializers.article",
"fields": {
"author": 1,
"headline": "Unknown many to many",
"pub_date": "2014-09-15T10:35:00",
"meta_data": [1, "doesnotexist"]
}
}, {
"pk": 1,
"model": "serializers.categorymetadata",
"fields": {
"kind": "author",
"name": "meta1",
"value": "Agnes"
}
}, {
"pk": 1,
"model": "serializers.author",
"fields": {
"name": "Agnes"
}
}]"""
expected = "(serializers.article:pk=1) field_value was 'doesnotexist'"
with self.assertRaisesMessage(serializers.base.DeserializationError, expected):
for obj in serializers.deserialize('json', test_string, ignore=False):
obj.save()
def _precompile_fixture(self, fixture, db):
"""Precompiles a fixture.
The fixture is loaded and deserialized, and the resulting objects
are stored for future use.
"""
assert db in TestCase._precompiled_fixtures
assert fixture not in TestCase._precompiled_fixtures[db]
fixture_path = None
for fixture_dir in self._get_fixture_dirs():
fixture_path = os.path.join(fixture_dir, fixture + '.json')
if os.path.exists(fixture_path):
break
try:
if not fixture_path:
raise IOError('Fixture path not found')
with open(fixture_path, 'r') as fp:
TestCase._precompiled_fixtures[db][fixture] = [
obj
for obj in serializers.deserialize('json', fp, using=db)
if router.allow_syncdb(db, obj.object.__class__)
]
except IOError as e:
sys.stderr.write('Unable to load fixture %s: %s\n' % (fixture, e))
def test_deserialize_force_insert(self):
"""Tests that deserialized content can be saved with force_insert as a parameter."""
serial_str = serializers.serialize(self.serializer_name, [self.a1])
deserial_obj = list(serializers.deserialize(self.serializer_name, serial_str))[0]
with mock.patch('django.db.models.Model') as mock_model:
deserial_obj.save(force_insert=False)
mock_model.save_base.assert_called_with(deserial_obj.object, raw=True, using=None, force_insert=False)
def natural_key_test(format, self):
book1 = {
'data': '978-1590597255',
'title': 'The Definitive Guide to Django: Web Development Done Right',
}
book2 = {'data': '978-1590599969', 'title': 'Practical Django Projects'}
# Create the books.
adrian = NaturalKeyAnchor.objects.create(**book1)
james = NaturalKeyAnchor.objects.create(**book2)
# Serialize the books.
string_data = serializers.serialize(
format, NaturalKeyAnchor.objects.all(), indent=2,
use_natural_foreign_keys=True, use_natural_primary_keys=True,
)
# Delete one book (to prove that the natural key generation will only
# restore the primary keys of books found in the database via the
# get_natural_key manager method).
james.delete()
# Deserialize and test.
books = list(serializers.deserialize(format, string_data))
self.assertEqual(len(books), 2)
self.assertEqual(books[0].object.title, book1['title'])
self.assertEqual(books[0].object.pk, adrian.pk)
self.assertEqual(books[1].object.title, book2['title'])
self.assertIsNone(books[1].object.pk)
def sort(request, course_short_title=None):
course = Course.get_or_raise_404(short_title=course_short_title)
elaborations = []
for serialized_elaboration in serializers.deserialize('json', request.session.get('elaborations', {})):
elaborations.append(serialized_elaboration.object)
if request.GET.get('data', '') == "date_asc":
elaborations.sort(key=lambda elaboration: elaboration.submission_time)
if request.GET.get('data', '') == "date_desc":
elaborations.sort(key=lambda elaboration: elaboration.submission_time, reverse=True)
if request.GET.get('data', '') == "elab_asc":
elaborations.sort(key=lambda elaboration: elaboration.challenge.title)
if request.GET.get('data', '') == "elab_desc":
elaborations.sort(key=lambda elaboration: elaboration.challenge.title, reverse=True)
if request.GET.get('data', '') == "post_asc":
elaborations.sort(key=lambda elaboration: elaboration.get_last_post_date())
if request.GET.get('data', '') == "post_desc":
elaborations.sort(key=lambda elaboration: elaboration.get_last_post_date(), reverse=True)
# store selected elaborations in session
request.session['elaborations'] = serializers.serialize('json', elaborations)
request.session['count'] = len(elaborations)
data = {
'overview_html': render_to_string('overview.html', {'elaborations': elaborations, 'course': course}, RequestContext(request)),
'menu_html': render_to_string('menu.html', {
'count_' + request.session.get('selection', ''): request.session.get('count', '0'),
'stabilosiert_' + request.session.get('selection', ''): 'stabilosiert', 'course': course,
}, RequestContext(request)),
'selection': request.session['selection']
}
return HttpResponse(json.dumps(data))
def test_loading(self):
instance = list(serializers.deserialize('json', self.test_data))[0].object
self.assertEqual(instance.ints, NumericRange(0, 10))
self.assertEqual(instance.floats, NumericRange(empty=True))
self.assertEqual(instance.bigints, None)
self.assertEqual(instance.dates, DateRange(self.lower_date, self.upper_date))
self.assertEqual(instance.timestamps, DateTimeTZRange(self.lower_dt, self.upper_dt))
def setUp(self):
# Usage:
# Constructor for TestViewIndex
# Arguments:
# None
# Every test needs access to the request factory.
self.factory = RequestFactory()
# An array of model file locations
model_array = [
"./unit_tests/serialized_test_data/yelp/review.json",
"./unit_tests/serialized_test_data/facebook/group.json",
"./unit_tests/serialized_test_data/facebook/post.json",
"./unit_tests/serialized_test_data/facebook/user.json"
]
# Loop through model file locations
for file_locations in model_array:
# Open the file
with open(file_locations) as data_file:
# Read the file
data = data_file.read()
# Loop through each data string, and deserializea, and save the models
for deserialized_object in serializers.deserialize("json", data):
deserialized_object.save()
def handle(self, *args, **options):
if not args:
raise CommandError(u"You must provide a URL.")
url = args[0]
try:
r = requests.get(url)
except exceptions.MissingSchema as e:
raise CommandError(e.message)
if r.status_code != 200:
raise CommandError("Received status {0} from {1},"
"expected 200.".format(r.status_code, url))
try:
for obj in serializers.deserialize("json", r.content):
msg = 'Processing "{0}"...\n'.format(obj.object.title)
self.stdout.write(msg)
try:
Post.objects.get(slug=obj.object.slug)
msg = ('Already had existing object with the slug '
'"{0}".\n'.format(obj.object.slug))
self.stdout.write(msg)
except Post.DoesNotExist:
obj.save()
self.stdout.write(u'Saved new object.\n')
except DeserializationError as e:
raise CommandError(e.message)
def _prepare_nodes(workflow, root):
"""
Prepare nodes for groking by Django
- Deserialize
- Automatically skip undefined nodes.
"""
objs = serializers.deserialize('xml', etree.tostring(root))
# First pass is a list of nodes and their types respectively.
# Must link up nodes with their respective full nodes.
node = None
nodes = []
for obj in objs:
obj.object.workflow = workflow
if type(obj.object) is Node:
node = obj.object
else:
node.node_type = obj.object.node_type
full_node = obj.object
for k, v in vars(node).items():
if not k.startswith('_') and k not in ('node_type','workflow','node_ptr_id'):
setattr(full_node, k, v)
full_node.workflow = workflow
full_node.node_type = type(full_node).node_type
full_node.node_ptr_id = None
full_node.id = None
nodes.append(full_node)
return nodes
def load_table(self, backup_dir, table_name):
filename = os.path.join(backup_dir, backup.TABLES_DIRNAME,
table_name + '.json')
data = open(filename, 'r').read()
return list(serializers.deserialize('json', data))
def field_value(self):
instances = serializers.deserialize('json', self.serialized_data)
instance = list(instances)[0].object
return getattr(instance, self.field_name)
def deserialize_object(obj):
silaba_obj = []
for d_obj in serializers.deserialize('json', obj):
silaba_obj.append(d_obj.object)
return silaba_obj
def test_serializer_roundtrip(self):
"""Tests that serialized content can be deserialized."""
serial_str = serializers.serialize(self.serializer_name,
Article.objects.all())
models = list(serializers.deserialize(self.serializer_name, serial_str))
self.assertEqual(len(models), 2)
def forwards(apps, schema_editor):
data = [{
"pk": 1,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "includes",
"name": "LK3 transgenic mice"
}
}, {
"pk": 2,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "misnomer",
"name": "Mus muscaris"
}
}, {
"pk": 3,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "scientific name",
"name": "Mus musculus"
}
}, {
"pk": 4,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "Mus musculus",
"type": "abbreviation",
"name": "M. musculus"
}
}, {
"pk": 5,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "authority",
"name": "Mus musculus Linnaeus, 1758"
}
}, {
"pk": 6,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "includes",
"name": "Mus sp. 129SV"
}
}, {
"pk": 7,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "genbank common name",
"name": "house mouse"
}
}, {
"pk": 8,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "misspelling",
"name": "mice C57BL/6xCBA/CaJ hybrid"
}
}, {
"pk": 9,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "common name",
"name": "mouse"
}
}, {
"pk": 10,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "includes",
"name": "nude mice"
}
}, {
"pk": 11,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 10090,
"unique_name": "",
"type": "includes",
"name": "transgenic mice"
}
}, {
"pk": 12,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 6239,
"unique_name": "",
"type": "scientific name",
"name": "Caenorhabditis elegans"
}
}, {
"pk": 13,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 6239,
"unique_name": "Caenorhabditis elegans",
"type": "abbreviation",
"name": "C. elegans"
}
}, {
"pk": 14,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 6239,
"unique_name": "",
"type": "authority",
"name": "Caenorhabditis elegans (Maupas, 1900)"
}
}, {
"pk": 15,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 6239,
"unique_name": "",
"type": "synonym",
"name": "Rhabditis elegans"
}
}, {
"pk": 16,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 6239,
"unique_name": "",
"type": "authority",
"name": "Rhabditis elegans Maupas, 1900"
}
}, {
"pk": 17,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 6239,
"unique_name": "nematode <Caenorhabditis elegans>",
"type": "common name",
"name": "nematode"
}
}, {
"pk": 18,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7227,
"unique_name": "",
"type": "misspelling",
"name": "Drosophila melangaster"
}
}, {
"pk": 19,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7227,
"unique_name": "",
"type": "scientific name",
"name": "Drosophila melanogaster"
}
}, {
"pk": 20,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7227,
"unique_name": "Drosophila melanogaster",
"type": "abbreviation",
"name": "D. melanogaster"
}
}, {
"pk": 21,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7227,
"unique_name": "",
"type": "authority",
"name": "Drosophila melanogaster Meigen, 1830"
}
}, {
"pk": 22,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7227,
"unique_name": "",
"type": "genbank common name",
"name": "fruit fly"
}
}, {
"pk": 23,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 9606,
"unique_name": "",
"type": "scientific name",
"name": "H**o sapiens"
}
}, {
"pk": 24,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 9606,
"unique_name": "H**o sapiens",
"type": "abbreviation",
"name": "H. sapiens"
}
}, {
"pk": 25,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 9606,
"unique_name": "",
"type": "authority",
"name": "H**o sapiens Linnaeus, 1758"
}
}, {
"pk": 26,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 9606,
"unique_name": "",
"type": "genbank common name",
"name": "human"
}
}, {
"pk": 27,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 9606,
"unique_name": "",
"type": "common name",
"name": "man"
}
}, {
"pk": 28,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 4896,
"unique_name": "",
"type": "common name",
"name": "fission yeast"
}
}, {
"pk": 29,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 4896,
"unique_name": "",
"type": "scientifc name",
"name": "Schizosaccharomyces pombe"
}
}, {
"pk": 30,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 4896,
"unique_name": "Schizosaccharomyces pombe",
"type": "abbreviation name",
"name": "S. pombe"
}
}, {
"pk": 31,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "scientific name",
"name": "Danio rerio"
}
}, {
"pk": 32,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "Danio rerio",
"type": "abbreviation",
"name": "D. rerio"
}
}, {
"pk": 33,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "zebra fish <Danio rerio>",
"type": "common name",
"name": "zebra fish"
}
}, {
"pk": 34,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "misspelling",
"name": "Brachidanio rerio"
}
}, {
"pk": 35,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "synonym",
"name": "Brachydanio rerio"
}
}, {
"pk": 36,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "synonym",
"name": "Brachydanio rerio frankei"
}
}, {
"pk": 37,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "synonym",
"name": "Cyprinus rerio"
}
}, {
"pk": 38,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "synonym",
"name": "Cyprinus rerio Hamilton, 1822"
}
}, {
"pk": 39,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "synonym",
"name": "Danio frankei"
}
}, {
"pk": 40,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "synonym",
"name": "Danio rerio (Hamilton, 1822)"
}
}, {
"pk": 41,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "synonym",
"name": "Danio rerio frankei"
}
}, {
"pk": 42,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "common name",
"name": "leopard danio"
}
}, {
"pk": 43,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "common name",
"name": "zebra danio"
}
}, {
"pk": 44,
"model": "annotation_server.taxon",
"fields": {
"taxon_id": 7955,
"unique_name": "",
"type": "genbank common name",
"name": "zebrafish"
}
}, {
"pk": 1,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name":
"GRCh37 Genome Reference Consortium Human Reference 37 (GCA_000001405.1)",
"name": "hg19",
"default_build": True,
"html_path": "/gbdb/hg19/html/description.html",
"affiliation": "UCSC",
"species": 23,
"description": "Feb. 2009 (GRCh37/hg19)"
}
}, {
"pk": 2,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "Genome Reference Consortium GRCh37",
"default_build": False,
"html_path": None,
"affiliation": "Genome Reference Consortium",
"species": 23,
"description": "Feb. 2009"
}
}, {
"pk": 3,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": "NCBI Build 36.1",
"name": "hg18",
"default_build": False,
"html_path": "/gbdb/hg18/html/description.html",
"affiliation": "UCSC",
"species": 23,
"description": "Mar. 2006 (NCBI36/hg18)"
}
}, {
"pk": 4,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "NCBI Build 36.1",
"default_build": False,
"html_path": None,
"affiliation": "NCBI",
"species": 23,
"description": "Mar. 2006"
}
}, {
"pk": 5,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": "NCBI Build 36",
"name": "mm8",
"default_build": False,
"html_path": "/gbdb/mm8/html/description.html",
"affiliation": "UCSC",
"species": 3,
"description": "Feb. 2006 (NCBI36/mm8)"
}
}, {
"pk": 6,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "NCBI Build 36",
"default_build": False,
"html_path": None,
"affiliation": "NCBI",
"species": 3,
"description": "Feb. 2006"
}
}, {
"pk": 7,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": "NCBI Build 37",
"name": "mm9",
"default_build": True,
"html_path": "/gbdb/mm9/html/description.html",
"affiliation": "UCSC",
"species": 3,
"description": "July 2007 (NCBI37/mm9)"
}
}, {
"pk": 8,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "NCBI Build 37",
"default_build": False,
"html_path": None,
"affiliation": "NCBI",
"species": 3,
"description": "Jul. 2007"
}
}, {
"pk": 9,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name":
"Genome Reference Consortium Mouse Build 38 (GCA_000001635.2)",
"name": "mm10",
"default_build": False,
"html_path": "/gbdb/mm10/html/description.html",
"affiliation": "UCSC",
"species": 3,
"description": "Dec. 2011 (GRCm38/mm10)"
}
}, {
"pk": 10,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "Genome Reference Consortium GRCm38",
"default_build": False,
"html_path": None,
"affiliation": "Genome Reference Consortium",
"species": 3,
"description": "Dec. 2011"
}
}, {
"pk": 11,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": "BDGP Release 5",
"name": "dm3",
"default_build": True,
"html_path": "/gbdb/dm3/html/description.html",
"affiliation": "UCSC",
"species": 19,
"description": "Apr. 2006 (BDGP R5/dm3)"
}
}, {
"pk": 12,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "BDGP Release 5",
"default_build": False,
"html_path": None,
"affiliation": "BDGP",
"species": 19,
"description": "Apr. 2006"
}
}, {
"pk": 13,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": "BDGP v. 4 / DHGP v. 3.2",
"name": "dm2",
"default_build": False,
"html_path": "/gbdb/dm2/html/description.html",
"affiliation": "UCSC",
"species": 19,
"description": "Apr. 2004 (BDGP R4/dm2)"
}
}, {
"pk": 14,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "BDGP Release 4",
"default_build": False,
"html_path": None,
"affiliation": "BDGP",
"species": 19,
"description": "Apr. 2004"
}
}, {
"pk": 15,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": "BDGP v. 3",
"name": "dm1",
"default_build": False,
"html_path": "/gbdb/dm1/html/description.html",
"affiliation": "UCSC",
"species": 19,
"description": "Jan. 2003 (BDGP R3/dm1)"
}
}, {
"pk": 16,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "BDGP Release 3",
"default_build": False,
"html_path": None,
"affiliation": "BDGP",
"species": 19,
"description": "Jan. 2003"
}
}, {
"pk": 17,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name":
"Washington University School of Medicine GSC and Sanger Institute WS220",
"name": "ce10",
"default_build": False,
"html_path": "/gbdb/ce10/html/description.html",
"affiliation": "UCSC",
"species": 12,
"description": "Oct. 2010 (WS220/ce10)"
}
}, {
"pk": 18,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "WormBase v. WS220",
"default_build": False,
"html_path": None,
"affiliation": "WormBase",
"species": 12,
"description": "Oct. 2010"
}
}, {
"pk": 19,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name":
"Washington University School of Medicine GSC and Sanger Institute WS190",
"name": "ce6",
"default_build": True,
"html_path": "/gbdb/ce6/html/description.html",
"affiliation": "UCSC",
"species": 12,
"description": "May 2008 (WS190/ce6)"
}
}, {
"pk": 20,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "WormBase v. WS190",
"default_build": False,
"html_path": None,
"affiliation": "WormBase",
"species": 12,
"description": "May 2008"
}
}, {
"pk": 21,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": None,
"name": "spombe_1.55",
"default_build": True,
"html_path": None,
"affiliation": "",
"species": 29,
"description":
"Added manually by Nils Gehlenborg on 15 March 2013."
}
}, {
"pk": 22,
"model": "annotation_server.genomebuild",
"fields": {
"available": False,
"source_name": "Sanger Institute",
"name": "danRer7",
"default_build": True,
"html_path": "",
"affiliation": "UCSC",
"species": 31,
"description": "Jul. 2010 (Zv9/danRer7)"
}
}, {
"pk": 23,
"model": "annotation_server.genomebuild",
"fields": {
"available": True,
"source_name": "",
"name": "Zv9",
"default_build": False,
"html_path": "",
"affiliation": "Sanger Institute",
"species": 31,
"description": "Jul. 2010"
}
}]
data_as_json = json.dumps([ob for ob in data])
objects = serializers.deserialize('json',
data_as_json,
ignorenonexistent=True)
for obj in objects:
obj.save()
def deserialize(cls, serialized_data):
# 需要加 .object 来得到原始的 model 类型的 object 数据，要不然得到的数据并不是一个
# ORM 的 object，而是一个 DeserializedObject 的类型
return list(serializers.deserialize('json', serialized_data))[0].object
def schedule_compete(e1_json, e2_json):
e1 = next(deserialize('json', e1_json)).object
e2 = next(deserialize('json', e2_json)).object
fight(e1, e2)
def process_dir(self, fixture_dir, fixture_name, compression_formats,
serialization_formats):
humanize = lambda dirname: "'%s'" % dirname if dirname else 'absolute path'
if self.verbosity >= 2:
self.stdout.write("Checking %s for fixtures..." % humanize(fixture_dir))
label_found = False
for combo in product([self.using, None], serialization_formats, compression_formats):
database, format, compression_format = combo
file_name = '.'.join(
p for p in [
fixture_name, database, format, compression_format
]
if p
)
if self.verbosity >= 3:
self.stdout.write("Trying %s for %s fixture '%s'..." % \
(humanize(fixture_dir), file_name, fixture_name))
full_path = os.path.join(fixture_dir, file_name)
open_method = self.compression_types[compression_format]
try:
fixture = open_method(full_path, 'r')
except IOError:
if self.verbosity >= 2:
self.stdout.write("No %s fixture '%s' in %s." % \
(format, fixture_name, humanize(fixture_dir)))
else:
try:
if label_found:
raise CommandError("Multiple fixtures named '%s' in %s. Aborting." %
(fixture_name, humanize(fixture_dir)))
self.fixture_count += 1
objects_in_fixture = 0
loaded_objects_in_fixture = 0
if self.verbosity >= 2:
self.stdout.write("Installing %s fixture '%s' from %s." % \
(format, fixture_name, humanize(fixture_dir)))
objects = serializers.deserialize(format, fixture, using=self.using, ignorenonexistent=self.ignore)
for obj in objects:
objects_in_fixture += 1
if router.allow_syncdb(self.using, obj.object.__class__):
loaded_objects_in_fixture += 1
self.models.add(obj.object.__class__)
try:
obj.save(using=self.using)
except (DatabaseError, IntegrityError) as e:
e.args = ("Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s" % {
'app_label': obj.object._meta.app_label,
'object_name': obj.object._meta.object_name,
'pk': obj.object.pk,
'error_msg': force_text(e)
},)
raise
self.loaded_object_count += loaded_objects_in_fixture
self.fixture_object_count += objects_in_fixture
label_found = True
except Exception as e:
if not isinstance(e, CommandError):
e.args = ("Problem installing fixture '%s': %s" % (full_path, e),)
raise
finally:
fixture.close()
# If the fixture we loaded contains 0 objects, assume that an
# error was encountered during fixture loading.
if objects_in_fixture == 0:
raise CommandError(
"No fixture data found for '%s'. (File format may be invalid.)" %
(fixture_name))
def loaddata(self, fixture_labels):
connection = connections[self.using]
# Keep a count of the installed objects and fixtures
self.fixture_count = 0
self.loaded_object_count = 0
self.fixture_object_count = 0
self.models = set()
self.serialization_formats = serializers.get_public_serializer_formats()
# Forcing binary mode may be revisited after dropping Python 2 support
# (see #22399)
self.compression_formats = {
None: (open, 'rb'),
'gz': (gzip.GzipFile, 'rb'),
'zip': (SingleZipReader, 'r'),
}
if has_bz2:
self.compression_formats['bz2'] = (bz2.BZ2File, 'r')
skiped = []
processed = []
loaded_objects = []
missing_model = []
missing_fks = []
with connection.constraint_checks_disabled():
# for fixture_label in fixture_labels:
# self.load_label(fixture_label)
objects_in_fixture = 0
loaded_objects_in_fixture = 0
for path in fixture_labels:
if self.verbosity >= 2:
self.stdout.write("Installing %s fixture" %
(humanize(path)))
with open(path, 'r') as fixture_file:
self.fixture_count += 1
try:
data = fixture_file.read()
objects = serializers.deserialize('json', data,
using=self.using, ignorenonexistent=self.ignore)
# evaluate
objects = list(objects)
except DeserializationError as ex:
skiped.append(path)
fixture_labels.remove(path)
# little comic there
if 'Invalid model identifier' in str(ex):
missing_model.append(str(ex))
elif 'matching query does not exist' in str(ex):
missing_fks += objects
else:
self.stderr.write(
'DeserializationError(%s) raised during serialization %s fixture.' % (ex, path))
except Exception as e:
fixture_labels.remove(path)
self.stderr.write(
'Exception %s %s raised during loading %s fixture.' % (str(e), e.__class__.__name__, path))
else:
# everythink is ok
loaded_objects += objects
processed.append(path)
fixture_labels.remove(path)
# raise Exception(unloaded)
self.loaded_object_count += loaded_objects_in_fixture
self.fixture_object_count += objects_in_fixture
return fixture_labels, processed, skiped, loaded_objects, missing_fks
# Since we disabled constraint checks, we must manually check for
# any invalid keys that might have been added
table_names = [model._meta.db_table for model in self.models]
try:
connection.check_constraints(table_names=table_names)
except Exception as e:
e.args = ("Problem installing fixtures: %s" % e,)
raise
# If we found even one object in a fixture, we need to reset the
# database sequences.
if self.loaded_object_count > 0:
sequence_sql = connection.ops.sequence_reset_sql(
no_style(), self.models)
if sequence_sql:
if self.verbosity >= 2:
self.stdout.write("Resetting sequences\n")
with connection.cursor() as cursor:
for line in sequence_sql:
cursor.execute(line)
if self.verbosity >= 1:
if self.fixture_count == 0 and self.hide_empty:
pass
elif self.fixture_object_count == self.loaded_object_count:
self.stdout.write("Installed %d object(s) from %d fixture(s)" %
(self.loaded_object_count, self.fixture_count))
else:
self.stdout.write("Installed %d object(s) (of %d) from %d fixture(s)" %
(self.loaded_object_count, self.fixture_object_count, self.fixture_count))
def test_deserialize_json(self):
stream = serializers.serialize('json', Post.objects.all())
obj = list(serializers.deserialize('json', stream))[0]
self.assertEqual(obj.object, self.mp)
def test_json_deserializer_exception(self):
with self.assertRaises(DeserializationError):
for obj in serializers.deserialize("json", """[{"pk":1}"""):
pass
from django.core import serializers
with open('fixtures\initialdata.json', 'r') as fopen:
for obj in serializers.deserialize("json", fopen.read()):
obj.save()
def test_set_field_serializes_and_deserializes(self):
obj = IterableFieldModel(set_field=set(["foo", "bar"]))
data = serializers.serialize("json", [obj])
new_obj = next(serializers.deserialize("json", data)).object
self.assertEqual(new_obj.set_field, set(["foo", "bar"]))
def load_label(self, fixture_label):
"""Load fixtures files for a given label."""
show_progress = self.verbosity >= 3
for fixture_file, fixture_dir, fixture_name in self.find_fixtures(
fixture_label):
_, ser_fmt, cmp_fmt = self.parse_name(
os.path.basename(fixture_file))
open_method, mode = self.compression_formats[cmp_fmt]
fixture = open_method(fixture_file, mode)
try:
self.fixture_count += 1
objects_in_fixture = 0
loaded_objects_in_fixture = 0
if self.verbosity >= 2:
self.stdout.write(
"Installing %s fixture '%s' from %s." %
(ser_fmt, fixture_name, humanize(fixture_dir)))
objects = serializers.deserialize(
ser_fmt,
fixture,
using=self.using,
ignorenonexistent=self.ignore,
handle_forward_references=True,
)
for obj in objects:
objects_in_fixture += 1
if (obj.object._meta.app_config in self.excluded_apps
or type(obj.object) in self.excluded_models):
continue
if router.allow_migrate_model(self.using,
obj.object.__class__):
loaded_objects_in_fixture += 1
self.models.add(obj.object.__class__)
try:
obj.save(using=self.using)
if show_progress:
self.stdout.write('\rProcessed %i object(s).' %
loaded_objects_in_fixture,
ending='')
# psycopg2 raises ValueError if data contains NUL chars.
except (DatabaseError, IntegrityError,
ValueError) as e:
e.args = (
"Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s"
% {
'app_label': obj.object._meta.app_label,
'object_name':
obj.object._meta.object_name,
'pk': obj.object.pk,
'error_msg': e,
}, )
raise
if obj.deferred_fields:
self.objs_with_deferred_fields.append(obj)
if objects and show_progress:
self.stdout.write(
) # Add a newline after progress indicator.
self.loaded_object_count += loaded_objects_in_fixture
self.fixture_object_count += objects_in_fixture
except Exception as e:
if not isinstance(e, CommandError):
e.args = ("Problem installing fixture '%s': %s" %
(fixture_file, e), )
raise
finally:
fixture.close()
# Warn if the fixture we loaded contains 0 objects.
if objects_in_fixture == 0:
warnings.warn(
"No fixture data found for '%s'. (File format may be "
"invalid.)" % fixture_name, RuntimeWarning)
def __upload_fixtures(fixtures):
with transaction.atomic():
for fixture in fixtures:
with open(str(fixture), "r") as file:
for obj in serializers.deserialize("json", file.read()):
obj.save()
def test_empty(self):
instance = BigCharSetModel(field=set())
data = serializers.serialize('json', [instance])
objs = list(serializers.deserialize('json', data))
instance = objs[0].object
assert instance.field == set()
def reimport_scan(self, scan, scan_type, test, active=True, verified=True, tags=None, minimum_severity=None,
user=None, endpoints_to_add=None, scan_date=None, version=None, branch_tag=None, build_id=None,
commit_hash=None, push_to_jira=None, close_old_findings=True, group_by=None, api_scan_configuration=None,
service=None):
logger.debug(f'REIMPORT_SCAN: parameters: {locals()}')
user = user or get_current_user()
now = timezone.now()
if api_scan_configuration:
if api_scan_configuration.product != test.engagement.product:
raise ValidationError('API Scan Configuration has to be from same product as the Test')
if test.api_scan_configuration != api_scan_configuration:
test.api_scan_configuration = api_scan_configuration
test.save()
# check if the parser that handle the scan_type manage tests
parser = get_parser(scan_type)
if hasattr(parser, 'get_tests'):
logger.debug('REIMPORT_SCAN parser v2: Create parse findings')
tests = parser.get_tests(scan_type, scan)
# for now we only consider the first test in the list and artificially aggregate all findings of all tests
# this is the same as the old behavior as current import/reimporter implementation doesn't handle the case
# when there is more than 1 test
parsed_findings = []
for test_raw in tests:
parsed_findings.extend(test_raw.findings)
else:
logger.debug('REIMPORT_SCAN: Parse findings')
parsed_findings = parser.get_findings(scan, test)
logger.debug('REIMPORT_SCAN: Processing findings')
new_findings = []
reactivated_findings = []
findings_to_mitigate = []
untouched_findings = []
if settings.ASYNC_FINDING_IMPORT:
chunk_list = importer_utils.chunk_list(parsed_findings)
results_list = []
# First kick off all the workers
for findings_list in chunk_list:
result = self.process_parsed_findings(test, findings_list, scan_type, user, active, verified,
minimum_severity=minimum_severity, endpoints_to_add=endpoints_to_add,
push_to_jira=push_to_jira, group_by=group_by, now=now, service=service, scan_date=scan_date, sync=False)
# Since I dont want to wait until the task is done right now, save the id
# So I can check on the task later
results_list += [result]
# After all tasks have been started, time to pull the results
logger.debug('REIMPORT_SCAN: Collecting Findings')
for results in results_list:
serial_new_findings, serial_reactivated_findings, serial_findings_to_mitigate, serial_untouched_findings = results.get()
new_findings += [next(serializers.deserialize("json", finding)).object for finding in serial_new_findings]
reactivated_findings += [next(serializers.deserialize("json", finding)).object for finding in serial_reactivated_findings]
findings_to_mitigate += [next(serializers.deserialize("json", finding)).object for finding in serial_findings_to_mitigate]
untouched_findings += [next(serializers.deserialize("json", finding)).object for finding in serial_untouched_findings]
logger.debug('REIMPORT_SCAN: All Findings Collected')
# Indicate that the test is not complete yet as endpoints will still be rolling in.
test.percent_complete = 50
test.save()
importer_utils.update_test_progress(test)
else:
new_findings, reactivated_findings, findings_to_mitigate, untouched_findings = \
self.process_parsed_findings(test, parsed_findings, scan_type, user, active, verified,
minimum_severity=minimum_severity, endpoints_to_add=endpoints_to_add,
push_to_jira=push_to_jira, group_by=group_by, now=now, service=service, scan_date=scan_date, sync=True)
closed_findings = []
if close_old_findings:
logger.debug('REIMPORT_SCAN: Closing findings no longer present in scan report')
closed_findings = self.close_old_findings(test, findings_to_mitigate, scan_date, user=user, push_to_jira=push_to_jira)
logger.debug('REIMPORT_SCAN: Updating test/engagement timestamps')
importer_utils.update_timestamps(test, version, branch_tag, build_id, commit_hash, now, scan_date)
if settings.TRACK_IMPORT_HISTORY:
logger.debug('REIMPORT_SCAN: Updating Import History')
importer_utils.update_import_history(Test_Import.REIMPORT_TYPE, active, verified, tags, minimum_severity, endpoints_to_add,
version, branch_tag, build_id, commit_hash, push_to_jira, close_old_findings,
test, new_findings, closed_findings, reactivated_findings)
logger.debug('REIMPORT_SCAN: Generating notifications')
updated_count = len(closed_findings) + len(reactivated_findings) + len(new_findings)
if updated_count > 0:
notifications_helper.notify_scan_added(test, updated_count, new_findings=new_findings, findings_mitigated=closed_findings,
findings_reactivated=reactivated_findings, findings_untouched=untouched_findings)
logger.debug('REIMPORT_SCAN: Done')
return test, updated_count, len(new_findings), len(closed_findings), len(reactivated_findings), len(untouched_findings)
def handle(self, *fixture_labels, **options):
ignore = options.get('ignore')
using = options.get('database')
connection = connections[using]
if not len(fixture_labels):
raise CommandError(
"No database fixture specified. Please provide the path of at "
"least one fixture in the command line.")
verbosity = int(options.get('verbosity'))
show_traceback = options.get('traceback')
# commit is a stealth option - it isn't really useful as
# a command line option, but it can be useful when invoking
# loaddata from within another script.
# If commit=True, loaddata will use its own transaction;
# if commit=False, the data load SQL will become part of
# the transaction in place when loaddata was invoked.
commit = options.get('commit', True)
# Keep a count of the installed objects and fixtures
fixture_count = 0
loaded_object_count = 0
fixture_object_count = 0
models = set()
humanize = lambda dirname: "'%s'" % dirname if dirname else 'absolute path'
# Get a cursor (even though we don't need one yet). This has
# the side effect of initializing the test database (if
# it isn't already initialized).
cursor = connection.cursor()
# Start transaction management. All fixtures are installed in a
# single transaction to ensure that all references are resolved.
if commit:
transaction.commit_unless_managed(using=using)
transaction.enter_transaction_management(using=using)
transaction.managed(True, using=using)
class SingleZipReader(zipfile.ZipFile):
def __init__(self, *args, **kwargs):
zipfile.ZipFile.__init__(self, *args, **kwargs)
if settings.DEBUG:
assert len(
self.namelist()
) == 1, "Zip-compressed fixtures must contain only one file."
def read(self):
return zipfile.ZipFile.read(self, self.namelist()[0])
compression_types = {
None: open,
'gz': gzip.GzipFile,
'zip': SingleZipReader
}
if has_bz2:
compression_types['bz2'] = bz2.BZ2File
app_module_paths = []
for app in get_apps():
if hasattr(app, '__path__'):
# It's a 'models/' subpackage
for path in app.__path__:
app_module_paths.append(path)
else:
# It's a models.py module
app_module_paths.append(app.__file__)
app_fixtures = [
os.path.join(os.path.dirname(path), 'fixtures')
for path in app_module_paths
]
try:
with connection.constraint_checks_disabled():
for fixture_label in fixture_labels:
parts = fixture_label.split('.')
if len(parts) > 1 and parts[-1] in compression_types:
compression_formats = [parts[-1]]
parts = parts[:-1]
else:
compression_formats = compression_types.keys()
if len(parts) == 1:
fixture_name = parts[0]
formats = serializers.get_public_serializer_formats()
else:
fixture_name, format = '.'.join(parts[:-1]), parts[-1]
if format in serializers.get_public_serializer_formats(
):
formats = [format]
else:
formats = []
if formats:
if verbosity >= 2:
self.stdout.write("Loading '%s' fixtures..." %
fixture_name)
else:
raise CommandError(
"Problem installing fixture '%s': %s is not a known serialization format."
% (fixture_name, format))
if os.path.isabs(fixture_name):
fixture_dirs = [fixture_name]
else:
fixture_dirs = app_fixtures + list(
settings.FIXTURE_DIRS) + ['']
for fixture_dir in fixture_dirs:
if verbosity >= 2:
self.stdout.write("Checking %s for fixtures..." %
humanize(fixture_dir))
label_found = False
for combo in product([using, None], formats,
compression_formats):
database, format, compression_format = combo
file_name = '.'.join(p for p in [
fixture_name, database, format,
compression_format
] if p)
if verbosity >= 3:
self.stdout.write("Trying %s for %s fixture '%s'..." % \
(humanize(fixture_dir), file_name, fixture_name))
full_path = os.path.join(fixture_dir, file_name)
open_method = compression_types[compression_format]
try:
fixture = open_method(full_path, 'r')
except IOError:
if verbosity >= 2:
self.stdout.write("No %s fixture '%s' in %s." % \
(format, fixture_name, humanize(fixture_dir)))
else:
try:
if label_found:
raise CommandError(
"Multiple fixtures named '%s' in %s. Aborting."
% (fixture_name,
humanize(fixture_dir)))
fixture_count += 1
objects_in_fixture = 0
loaded_objects_in_fixture = 0
if verbosity >= 2:
self.stdout.write("Installing %s fixture '%s' from %s." % \
(format, fixture_name, humanize(fixture_dir)))
objects = serializers.deserialize(
format,
fixture,
using=using,
ignorenonexistent=ignore)
for obj in objects:
objects_in_fixture += 1
if router.allow_syncdb(
using, obj.object.__class__):
loaded_objects_in_fixture += 1
models.add(obj.object.__class__)
try:
obj.save(using=using)
except (DatabaseError,
IntegrityError) as e:
e.args = (
"Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s"
% {
'app_label':
obj.object._meta.
app_label,
'object_name':
obj.object._meta.
object_name,
'pk':
obj.object.pk,
'error_msg':
force_text(e)
}, )
raise
loaded_object_count += loaded_objects_in_fixture
fixture_object_count += objects_in_fixture
label_found = True
except Exception as e:
if not isinstance(e, CommandError):
e.args = (
"Problem installing fixture '%s': %s"
% (full_path, e), )
raise
finally:
fixture.close()
# If the fixture we loaded contains 0 objects, assume that an
# error was encountered during fixture loading.
if objects_in_fixture == 0:
raise CommandError(
"No fixture data found for '%s'. (File format may be invalid.)"
% (fixture_name))
# Since we disabled constraint checks, we must manually check for
# any invalid keys that might have been added
table_names = [model._meta.db_table for model in models]
try:
connection.check_constraints(table_names=table_names)
except Exception as e:
e.args = ("Problem installing fixtures: %s" % e, )
raise
except (SystemExit, KeyboardInterrupt):
raise
except Exception as e:
if commit:
transaction.rollback(using=using)
transaction.leave_transaction_management(using=using)
raise
# If we found even one object in a fixture, we need to reset the
# database sequences.
if loaded_object_count > 0:
sequence_sql = connection.ops.sequence_reset_sql(
no_style(), models)
if sequence_sql:
if verbosity >= 2:
self.stdout.write("Resetting sequences\n")
for line in sequence_sql:
cursor.execute(line)
if commit:
transaction.commit(using=using)
transaction.leave_transaction_management(using=using)
if verbosity >= 1:
if fixture_object_count == loaded_object_count:
self.stdout.write("Installed %d object(s) from %d fixture(s)" %
(loaded_object_count, fixture_count))
else:
self.stdout.write(
"Installed %d object(s) (of %d) from %d fixture(s)" %
(loaded_object_count, fixture_object_count, fixture_count))
# Close the DB connection. This is required as a workaround for an
# edge case in MySQL: if the same connection is used to
# create tables, load data, and query, the query can return
# incorrect results. See Django #7572, MySQL #37735.
if commit:
connection.close()
def test_loading(self):
instance = list(serializers.deserialize('json',
self.test_data))[0].object
self.assertEqual(instance.field,
uuid.UUID('550e8400-e29b-41d4-a716-446655440000'))
def deserialize_fixture():
fixture_file = os.path.join(fixture_dir, fixture_filename)
with open(fixture_file, 'rb') as fixture:
return list(
serializers.deserialize('json', fixture, ignorenonexistent=True))
def handle(self, *fixture_files, **options):
using = options.get('database', DEFAULT_DB_ALIAS)
mode = options.get('mode', 'append')
items_into_tree = options.get('items_into_tree', None)
if items_into_tree is not None:
try:
items_into_tree = MODEL_TREE_CLASS.objects.get(
alias=items_into_tree)
except ObjectDoesNotExist:
raise CommandError(
f'Target tree aliased `{items_into_tree}` does not exist. Please create it before import.'
)
else:
mode = 'append'
connection = connections[using]
cursor = connection.cursor()
self.style = no_style()
loaded_object_count = 0
if mode == 'replace':
MODEL_TREE_CLASS.objects.all().delete()
MODEL_TREE_ITEM_CLASS.objects.all().delete()
for fixture_file in fixture_files:
self.stdout.write(f'Loading fixture from `{fixture_file}` ...\n')
fixture = open(fixture_file, 'r')
try:
objects = serializers.deserialize('json', fixture, using=using)
except (SystemExit, KeyboardInterrupt):
raise
trees = []
tree_items = defaultdict(list)
tree_item_parents = defaultdict(list)
tree_items_new_indexes = {}
try:
allow_migrate = router.allow_migrate
except AttributeError:
# Django < 1.7
allow_migrate = router.allow_syncdb
for obj in objects:
if allow_migrate(using, obj.object.__class__):
if isinstance(obj.object,
(MODEL_TREE_CLASS, MODEL_TREE_ITEM_CLASS)):
if isinstance(obj.object, MODEL_TREE_CLASS):
trees.append(obj.object)
else:
if items_into_tree is not None:
obj.object.tree_id = items_into_tree.id
tree_items[obj.object.tree_id].append(obj.object)
tree_item_parents[obj.object.parent_id].append(
obj.object.id)
if items_into_tree is not None:
trees = [
items_into_tree,
]
try:
for tree in trees:
self.stdout.write(f'\nImporting tree `{tree.alias}` ...\n')
orig_tree_id = tree.id
if items_into_tree is None:
if mode == 'append':
tree.pk = None
tree.id = None
tree.save(using=using)
loaded_object_count += 1
parents_ahead = []
# Parents go first: enough for simple cases.
tree_items[orig_tree_id].sort(
key=lambda item: item.id not in tree_item_parents.keys(
))
for tree_item in tree_items[orig_tree_id]:
parent_ahead = False
self.stdout.write(
f'Importing item `{tree_item.title}` ...\n')
tree_item.tree_id = tree.id
orig_item_id = tree_item.id
if mode == 'append':
tree_item.pk = None
tree_item.id = None
if tree_item.id in tree_items_new_indexes:
tree_item.pk = tree_item.id = tree_items_new_indexes[
tree_item.id]
if tree_item.parent_id is not None:
if tree_item.parent_id in tree_items_new_indexes:
tree_item.parent_id = tree_items_new_indexes[
tree_item.parent_id]
else:
parent_ahead = True
tree_item.save(using=using)
loaded_object_count += 1
if mode == 'append':
tree_items_new_indexes[orig_item_id] = tree_item.id
if parent_ahead:
parents_ahead.append(tree_item)
# Second pass is necessary for tree items being imported before their parents.
for tree_item in parents_ahead:
tree_item.parent_id = tree_items_new_indexes[
tree_item.parent_id]
tree_item.save(using=using)
except (SystemExit, KeyboardInterrupt):
raise
except Exception:
import traceback
fixture.close()
self.stderr.write(
self.style.ERROR(
f"Fixture `{fixture_file}` import error: "
f"{''.join(traceback.format_exception(*sys.exc_info()))}\n"
))
fixture.close()
# Reset DB sequences, for DBMS with sequences support.
if loaded_object_count > 0:
sequence_sql = connection.ops.sequence_reset_sql(
self.style, [MODEL_TREE_CLASS, MODEL_TREE_ITEM_CLASS])
if sequence_sql:
self.stdout.write('Resetting DB sequences ...\n')
for line in sequence_sql:
cursor.execute(line)
connection.close()
def test_roundtrip_with_null(self):
instance = HStoreModel(field={'a': 'b', 'c': None})
data = serializers.serialize('json', [instance])
new_instance = list(serializers.deserialize('json', data))[0].object
self.assertEqual(instance.field, new_instance.field)
def test_loading(self):
instance = list(serializers.deserialize('json',
self.test_data))[0].object
self.assertEqual(instance.field, {'a': 'b'})
def test_yaml_deserializer_exception(self):
with self.assertRaises(DeserializationError):
for obj in serializers.deserialize("yaml", "{"):
pass
def get_object_version(self):
"""Returns the stored version of the model."""
data = self.serialized_data
if isinstance(data, unicode):
data = data.encode("utf8")
return list(serializers.deserialize(self.format, data))[0]
def test_deserializer_pyyaml_error_message(self):
"""Using yaml deserializer without pyyaml raises ImportError"""
with self.assertRaises(ImportError):
serializers.deserialize("yaml", "")
def test_loading(self):
for value, serialized in self.test_values:
with self.subTest(value=value):
instance = list(serializers.deserialize('json', self.test_data % serialized))[0].object
self.assertEqual(instance.field, value)
def test_loading(self):
instances = list(serializers.deserialize('json', self.test_data))
instance = instances[0].object
assert instance.attrs == {'a': 'b', 'c': None}
content = {"flag": "Success", "context": config}
except Exception, e:
content = {"flag": "Error", "context": str(e)}
elif action == "import":
try:
post = json.loads(request.body)
m_config = post['main_config']
u_config = post['upstream_config']
p_config = post['proxy_config']
main_config_qc.delete()
upstream_config_qc.delete()
proxy_config_qc.delete()
for obj in serializers.deserialize("json", m_config):
obj.save()
for obj in serializers.deserialize("json", u_config):
obj.save()
for obj in serializers.deserialize("json", p_config):
obj.save()
reload_config()
content = {"flag": "Success"}
except Exception, e:
content = {"flag": "Error", "context": str(e)}
return HttpResponse(json.dumps(content))
def config_check_state():
from sdncon.controller.notification import do_modify_notification, do_delete_notification
last_config_state = config_read_state()
try:
last_config_instances = last_config_state.get('instances')
except Exception, _e:
last_config_instances = {}
current_config_instances = {}
for config_model in config_models:
try:
serialized_old_instances = json.dumps(
last_config_instances.get(config_model.__name__, []))
old_instance_info = serializers.deserialize(
'json', serialized_old_instances)
old_instances = [info.object for info in old_instance_info]
except Exception, _e:
old_instances = []
new_instances = config_model.objects.all()
for new_instance in new_instances:
for index, old_instance in enumerate(old_instances):
if new_instance.pk == old_instance.pk:
if not model_instances_equal(new_instance, old_instance):
config_do_update(config_model, old_instance,
new_instance)
do_modify_notification(config_model, new_instance)
del old_instances[index]
break