def export_sales_order(self, cursor):
transaction.enter_transaction_management(using=self.database)
try:
starttime = time()
if self.verbosity > 0:
print("Exporting expected delivery date of sales orders...")
cursor.execute('''select demand.source, max(plandate)
from demand
left outer join out_demand
on demand.name = out_demand.demand
where demand.subcategory = 'openbravo'
and status = 'open'
group by source
''')
count = 0
body = [
'<?xml version="1.0" encoding="UTF-8"?>',
'<ob:Openbravo xmlns:ob="http://www.openbravo.com">'
]
for i in cursor.fetchall():
body.append('<OrderLine id="%s"><description>Planned delivery date %s</description></OrderLine>' % i)
count += 1
if self.verbosity > 0 and count % 500 == 1:
print('.', end="")
if self.verbosity > 0:
print ('')
body.append('</ob:Openbravo>')
self.post_data('/openbravo/ws/dal/OrderLine', '\n'.join(body))
if self.verbosity > 0:
print("Updated %d sales orders in %.2f seconds" % (count, (time() - starttime)))
except Exception as e:
raise CommandError("Error updating sales orders: %s" % e)
finally:
transaction.rollback(using=self.database)
transaction.leave_transaction_management(using=self.database)
def getNextSong(self):
# commit transaction to force fresh queryset result
try:
transaction.enter_transaction_management()
transaction.commit()
except BaseException:
pass
try:
data = Queue.objects.all()
data = data.annotate(VoteCount=Count("User"))
data = data.annotate(MinCreated=Min("Created"))
data = data.order_by("-VoteCount", "MinCreated")[0:1].get()
self.addToHistory(data.Song, data.User)
song_instance = data.Song
data.delete()
except ObjectDoesNotExist:
try:
song_instance = self.getRandomSongByPreferences()
self.addToHistory(song_instance, None)
except ObjectDoesNotExist:
song_instance = Song.objects.order_by('?')[0:1].get()
self.addToHistory(song_instance, None)
# remove missing files
if not os.path.exists(song_instance.Filename.name.encode('utf8')):
Song.objects.all().filter(id=song_instance.id).delete()
return self.getNextSong()
return song_instance
def _fixture_setup(self):
if not connections_support_transactions():
return super(TestCase, self)._fixture_setup()
# If the test case has a multi_db=True flag, setup all databases.
# Otherwise, just use default.
if getattr(self, 'multi_db', False):
databases = connections
else:
databases = [DEFAULT_DB_ALIAS]
for db in databases:
transaction.enter_transaction_management(using=db)
transaction.managed(True, using=db)
disable_transaction_methods()
from django.contrib.sites.models import Site
Site.objects.clear_cache()
for db in databases:
if hasattr(self, 'fixtures'):
call_command('loaddata', *self.fixtures, **{
'verbosity': 0,
'commit': False,
'database': db
})
def test_transaction_management(self):
transaction.enter_transaction_management()
transaction.managed(True)
self.assertEqual(connection.isolation_level, self._read_committed)
transaction.leave_transaction_management()
self.assertEqual(connection.isolation_level, self._autocommit)
def run_select_for_update(self, status, nowait=False):
"""
Utility method that runs a SELECT FOR UPDATE against all
Person instances. After the select_for_update, it attempts
to update the name of the only record, save, and commit.
This function expects to run in a separate thread.
"""
status.append('started')
try:
# We need to enter transaction management again, as this is done on
# per-thread basis
transaction.enter_transaction_management()
people = list(
Person.objects.all().select_for_update(nowait=nowait)
)
people[0].name = 'Fred'
people[0].save()
transaction.commit()
except DatabaseError as e:
status.append(e)
finally:
# This method is run in a separate thread. It uses its own
# database connection. Close it without waiting for the GC.
transaction.abort()
connection.close()
def __enter__(self):
if transaction.is_managed(self.using):
# We're already in a transaction; create a savepoint.
self.sid = transaction.savepoint(self.using)
else:
transaction.enter_transaction_management(using=self.using)
transaction.managed(True, using=self.using)
def execute_transaction(sql, output=False, database='default'):
"A transaction wrapper for executing a list of SQL statements"
my_connection = connection
using_args = {}
if is_multi_db():
if not database:
database = DEFAULT_DB_ALIAS
my_connection = connections[database]
using_args['using'] = database
try:
# Begin Transaction
transaction.enter_transaction_management(**using_args)
transaction.managed(True, **using_args)
cursor = my_connection.cursor()
# Perform the SQL
if output:
write_sql(sql, database)
execute_sql(cursor, sql)
transaction.commit(**using_args)
transaction.leave_transaction_management(**using_args)
except Exception:
transaction.rollback(**using_args)
raise
def handle(self, **options):
'''The main entry point for the Django management command.'''
import_start = datetime.datetime.now()
# Start transaction management.
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
try:
self._promote_devel()
except:
self._rollback_db()
raise
# Finalize the transaction and close the db connection.
transaction.commit()
transaction.leave_transaction_management()
connection.close()
import_end = datetime.datetime.now()
# Print a short summary of what we did.
td = import_end - import_start
print '\nProcessing complete in %s days, %s.%s seconds.' % (
td.days, td.seconds, td.microseconds)
print ' TraitData objects promoted: %s' % (
PublicTraitData.objects.all().count(),)
def update(self, **kwargs):
"""
Updates all elements in the current QuerySet, setting all the given
fields to the appropriate values.
"""
assert self.query.can_filter(), \
"Cannot update a query once a slice has been taken."
query = self.query.clone(sql.UpdateQuery)
query.add_update_values(kwargs)
if not transaction.is_managed():
transaction.enter_transaction_management()
forced_managed = True
else:
forced_managed = False
try:
rows = query.execute_sql(None)
if forced_managed:
transaction.commit()
else:
transaction.commit_unless_managed()
finally:
if forced_managed:
transaction.leave_transaction_management()
self._result_cache = None
return rows
def _fixture_setup(self):
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
super(SeleniumTestCase, self)._fixture_setup()
transaction.commit()
transaction.leave_transaction_management()
def run(self, max_depth=3):
for p in self.plugins:
p.set_output_dir(self.output_dir)
old_DEBUG = settings.DEBUG
settings.DEBUG = False
setup_test_environment()
test_signals.start_run.send(self)
# To avoid tainting our memory usage stats with startup overhead we'll
# do one extra request for the first page now:
self.c.get(self.not_crawled[0][-1])
while self.not_crawled:
#Take top off not_crawled and evaluate it
current_depth, from_url, to_url = self.not_crawled.pop(0)
if current_depth > max_depth:
continue
transaction.enter_transaction_management()
try:
resp, returned_urls = self.get_url(from_url, to_url)
except HTMLParseError, e:
LOG.error("%s: unable to parse invalid HTML: %s", to_url, e)
except Exception, e:
LOG.exception("%s had unhandled exception: %s", to_url, e)
continue
def grab_db_lock(lock_name, wait):
"""
Grab a lock using a new, temporary connection. Yields a "success"
boolean indicating whether the lock was successfully acquired or not.
This context manager ensures that multidb does not override the
connection when accessing the Lock model and its transaction. The
code that runs within this context should NOT be affected - it must
run as usual, with normal multidb functionality intact.
"""
with connections.get() as using:
try:
with connection_state.force(None):
transaction.enter_transaction_management(using=using)
transaction.managed(True, using=using)
lock = Lock.grab(lock_name, wait=wait, using=using)
success = bool(lock)
try:
yield success
finally:
if success:
with connection_state.force(None):
lock.release(using=using)
transaction.commit(using=using)
finally:
with connection_state.force(None):
transaction.leave_transaction_management(using=using)
def setUp(self):
# Create a second connection to the default database
new_connections = ConnectionHandler(settings.DATABASES)
self.conn2 = new_connections[DEFAULT_DB_ALIAS]
# Put both DB connections into managed transaction mode
transaction.enter_transaction_management()
self.conn2.enter_transaction_management()
def test_savepoint_localstore_flush(self):
"""
This is a very simple test to see if savepoints will actually
be committed, i.e. flushed out from localstore into cache.
"""
from django.db import transaction
transaction.enter_transaction_management()
transaction.managed()
TABLE_NAME = 'test_table'
cache_backend = johnny.cache.get_backend()
cache_backend.patch()
keyhandler = cache_backend.keyhandler
keygen = keyhandler.keygen
tm = cache_backend.cache_backend
# First, we set one key-val pair generated for our non-existing table.
table_key = keygen.gen_table_key(TABLE_NAME)
tm.set(table_key, 'val1')
# Then we create a savepoint.
# The key-value pair is moved into 'trans_sids' item of localstore.
tm._create_savepoint('savepoint1')
# We then commit all the savepoints, which should write the changes.
tm.commit()
# And this checks if it actually happened.
backend = johnny_settings._get_backend()
self.failUnless(backend.get(table_key))
def clear_couple(self): from people.models import Couple, CoupleLog while True: transaction.enter_transaction_management() couples = Couple.objects.filter(end_time__lt=datetime.datetime.now(), is_valid=True) if couples.count() > 0: for couple in couples: couple.is_valid = False couple.save() try: couple.fuser.get_profile().couple = None couple.fuser.get_profile().save() send_couple_apns(couple.fuser, settings.LOG_COUPLE_EXPIRED_TXT, 'rm') except: print 'fuser error' try: couple.tuser.get_profile().couple = None couple.tuser.get_profile().save() send_couple_apns(couple.tuser, settings.LOG_COUPLE_EXPIRED_TXT, 'rm') except: print 'tuser error' coupleLog = CoupleLog(couple=couple, user=couple.fuser, content=settings.LOG_COUPLE_DISMATCH_TXT) coupleLog.save() print couple.id, ' expired and decoupled' transaction.commit() time.sleep(60)
def setUp(self):
super(TransactionalTestCase, self).setUp()
transaction.enter_transaction_management()
transaction.managed(True)
self.setUpInTransaction()
def test_savepoint_rollback(self):
"""Tests rollbacks of savepoints"""
from django.db import transaction
from testapp.models import Genre, Publisher
from johnny import cache
if not connection.features.uses_savepoints:
return
self.failUnless(transaction.is_managed() == False)
self.failUnless(transaction.is_dirty() == False)
connection.queries = []
cache.local.clear()
transaction.enter_transaction_management()
transaction.managed()
g = Genre.objects.get(pk=1)
start_title = g.title
g.title = "Adventures in Savepoint World"
g.save()
g = Genre.objects.get(pk=1)
self.failUnless(g.title == "Adventures in Savepoint World")
sid = transaction.savepoint()
g.title = "In the Void"
g.save()
g = Genre.objects.get(pk=1)
self.failUnless(g.title == "In the Void")
transaction.savepoint_rollback(sid)
g = Genre.objects.get(pk=1)
self.failUnless(g.title == "Adventures in Savepoint World")
transaction.rollback()
g = Genre.objects.get(pk=1)
self.failUnless(g.title == start_title)
transaction.managed(False)
transaction.leave_transaction_management()
def _fixture_setup(self):
if not connections_support_transactions():
return super(TestCase, self)._fixture_setup()
assert not self.reset_sequences, 'reset_sequences cannot be used on TestCase instances'
# If the test case has a multi_db=True flag, setup all databases.
# Otherwise, just use default.
db_names = connections if getattr(self, 'multi_db', False) else [DEFAULT_DB_ALIAS]
for db_name in db_names:
transaction.enter_transaction_management(using=db_name)
transaction.managed(True, using=db_name)
disable_transaction_methods()
from django.contrib.sites.models import Site
Site.objects.clear_cache()
for db in db_names:
if hasattr(self, 'fixtures'):
call_command('loaddata', *self.fixtures,
**{
'verbosity': 0,
'commit': False,
'database': db,
'skip_validation': True,
})
def test_transaction_management(self):
transaction.enter_transaction_management()
self.assertFalse(connection.autocommit)
self.assertEqual(connection.isolation_level, self._serializable)
transaction.leave_transaction_management()
self.assertTrue(connection.autocommit)
def atomic(using=None):
"""Perform database operations atomically within a transaction.
The caller can use this to ensure SQL statements are executed within
a transaction and then cleaned up nicely if there's an error.
This provides compatibility with all supported versions of Django.
Args:
using (str, optional):
The database connection name to use. Defaults to the default
database connection.
"""
if hasattr(transaction, 'atomic'):
# Django >= 1.5
with transaction.atomic(using=using):
yield
else:
# Django < 1.5
assert hasattr(transaction, 'enter_transaction_management')
try:
# Begin Transaction
transaction.enter_transaction_management(using=using)
transaction.managed(True, using=using)
yield
transaction.commit(using=using)
transaction.leave_transaction_management(using=using)
except Exception:
transaction.rollback(using=using)
raise
def test_savepoint_rollback(self):
"""Tests rollbacks of savepoints"""
if not connection.features.uses_savepoints:
return
self.assertFalse(is_managed())
self.assertFalse(transaction.is_dirty())
cache.local.clear()
managed()
transaction.enter_transaction_management()
g = Genre.objects.get(pk=1)
start_title = g.title
g.title = "Adventures in Savepoint World"
g.save()
g = Genre.objects.get(pk=1)
self.assertEqual(g.title, "Adventures in Savepoint World")
sid = transaction.savepoint()
g.title = "In the Void"
g.save()
g = Genre.objects.get(pk=1)
self.assertEqual(g.title, "In the Void")
transaction.savepoint_rollback(sid)
g = Genre.objects.get(pk=1)
self.assertEqual(g.title, "Adventures in Savepoint World")
transaction.rollback()
g = Genre.objects.get(pk=1)
self.assertEqual(g.title, start_title)
def handle(self, *args, **options):
self.batch_size = options.get('batch_size', 50)
self.preserve = options.get("preserve", False)
self.index = options.get("index", False)
self.newline = options.get("newline", False)
if not self.index:
old_realtime_indexing = getattr(settings, "REALTIME_INDEXING", None)
#this is not recommended by the django manual, but in case of management command it seems to work
settings.REALTIME_INDEXING = False
transaction.enter_transaction_management()
transaction.managed(True)
for records_url in args:
print("Processing %s" % records_url)
errors = self.process_url(records_url, options)
print("Processing %s Done" % records_url)
if errors:
print("%d error(s) when processing %s, check your log file." % (len(errors), records_url))
transaction.leave_transaction_management()
if not self.index and old_realtime_indexing:
settings.REALTIME_INDEXING = old_realtime_indexing
def handle(self, *args, **options):
from django.db import transaction
path, slug, name = args
# Start transaction management.
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
book = Book.objects.get(slug=slug)
root, ext = os.path.splitext(path)
ext = ext.lower()
if ext:
ext = ext[1:]
if ext == "zip":
ext = "daisy"
source_sha1 = BookMedia.read_source_sha1(path, ext)
print "Source file SHA1:", source_sha1
try:
assert source_sha1
bm = book.media.get(type=ext, source_sha1=source_sha1)
print "Replacing media: %s (%s)" % (bm.name.encode("utf-8"), ext)
except (AssertionError, BookMedia.DoesNotExist):
bm = BookMedia(book=book, type=ext)
print "Creating new media"
bm.name = name
bm.file.save(None, ExistingFile(path))
bm.save()
transaction.commit()
transaction.leave_transaction_management()
def handle(self, *args, **options):
print("Download zip-archive...")
f = urlopen(IPGEOBASE_SOURCE_URL)
buffer = BytesIO(f.read())
f.close()
print("Unpacking...")
zip_file = ZipFile(buffer)
cities_file_read = _read_file(zip_file, 'cities.txt')
cidr_optim_file_read = _read_file(zip_file, 'cidr_optim.txt')
zip_file.close()
buffer.close()
print("Start updating...")
list_cities = cities_file_read.decode(IPGEOBASE_CODING).split('\n')
list_cidr_optim = \
cidr_optim_file_read.decode(IPGEOBASE_CODING).split('\n')
lines = \
_get_cidr_optim_with_cities_lines(list_cidr_optim, list_cities)
cursor = connection.cursor()
transaction.enter_transaction_management()
try:
transaction.managed(True)
print("Delete old rows in table ipgeobase...")
cursor.execute(DELETE_SQL)
print ("Write new data...")
cursor.executemany(INSERT_SQL, [l for l in lines if l])
transaction.commit()
except Exception as e:
message = "The data not updated:", e
if send_message:
mail_admins(subject=ERROR_SUBJECT, message=message)
raise CommandError(message)
finally:
transaction.rollback()
transaction.leave_transaction_management()
return "Table ipgeobase is update.\n"
def serializerTest(format, self):
# Clear the database first
management.call_command('flush', verbosity=0, interactive=False)
# Create all the objects defined in the test data
objects = []
transaction.enter_transaction_management()
transaction.managed(True)
for (func, pk, klass, datum) in test_data:
objects.append(func[0](pk, klass, datum))
transaction.commit()
transaction.leave_transaction_management()
# 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)
# Flush the database and recreate from the serialized data
management.call_command('flush', verbosity=0, interactive=False)
transaction.enter_transaction_management()
transaction.managed(True)
for obj in serializers.deserialize(format, serialized_data):
obj.save()
transaction.commit()
transaction.leave_transaction_management()
# 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)
def test_managed_response(self):
transaction.enter_transaction_management()
Band.objects.create(name="The Beatles")
self.assertTrue(transaction.is_dirty())
TransactionMiddleware().process_response(self.request, self.response)
self.assertFalse(transaction.is_dirty())
self.assertEqual(Band.objects.count(), 1)
def restore(self):
self.state = BACKUP_RESTORE_STATE_IN_PROGRESS
self.save()
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
try:
self.tar = tarfile.open(self.backup_file.path, 'r:gz')
# extract data.xml for parsing
self.stream = self.tar.extractfile('backup/data.xml')
self.restore_objects()
self.restore_files()
transaction.commit()
transaction.leave_transaction_management()
self.state = BACKUP_RESTORE_STATE_DONE
except Exception as e:
transaction.rollback()
transaction.leave_transaction_management()
self.state = BACKUP_RESTORE_STATE_ERROR
self.error_message = e.__unicode__()
mail_subject = _('Restore failed')
mail_message = _('Restore for %(user)s failed with message : %(message)s') % {'user': self.user,
'message': e}
mail_admins(mail_subject, mail_message, fail_silently=(not settings.DEBUG))
self.save()
# close and delete archive
self.tar.close()
os.remove(self.backup_file.path)
self.backup_file = None
def test_exception(self):
transaction.enter_transaction_management()
Band.objects.create(name='The Beatles')
self.assertTrue(transaction.is_dirty())
TransactionMiddleware().process_exception(self.request, None)
self.assertFalse(transaction.is_dirty())
self.assertEqual(Band.objects.count(), 0)
def beforeTest(self, test):
if not self.settings_path:
# short circuit if no settings file can be found
return
from django.core.management import call_command
from django.core.urlresolvers import clear_url_caches
from django.db import connection, transaction
from django.core import mail
mail.outbox = []
transaction_support = self._has_transaction_support(test)
if transaction_support:
transaction.enter_transaction_management()
transaction.managed(True)
self.disable_transaction_support(transaction)
if isinstance(test, nose.case.Test) and \
isinstance(test.test, nose.case.MethodTestCase) and \
hasattr(test.context, 'fixtures'):
# We have to use this slightly awkward syntax due to the fact
# that we're using *args and **kwargs together.
call_command('loaddata', *test.context.fixtures, **{'verbosity': 0})
if isinstance(test, nose.case.Test) and \
isinstance(test.test, nose.case.MethodTestCase) and \
hasattr(test.context, 'urls'):
# We have to use this slightly awkward syntax due to the fact
# that we're using *args and **kwargs together.
self.old_urlconf = settings.ROOT_URLCONF
settings.ROOT_URLCONF = self.urls
clear_url_caches()
def test_savepoint_localstore_flush(self):
"""
This is a very simple test to see if savepoints will actually
be committed, i.e. flushed out from localstore into cache.
"""
from django.db import transaction
transaction.enter_transaction_management()
transaction.managed()
TABLE_NAME = 'test_table'
cache_backend = johnny.cache.get_backend()
cache_backend.patch()
keyhandler = cache_backend.keyhandler
keygen = keyhandler.keygen
tm = cache_backend.cache_backend
# First, we set one key-val pair generated for our non-existing table.
table_key = keygen.gen_table_key(TABLE_NAME)
tm.set(table_key, 'val1')
# Then we create a savepoint.
# The key-value pair is moved into 'trans_sids' item of localstore.
tm._create_savepoint('savepoint1')
# We then commit all the savepoints (i.e. only one in this case)
# The items stored in 'trans_sids' should be moved back to the
# top-level dictionary of our localstore
tm._commit_all_savepoints()
# And this checks if it actually happened.
self.failUnless(table_key in tm.local)
def handle(self, *fixture_labels, **options):
from django.db.models import get_apps
from django.core import serializers
from django.db import connection, transaction
from django.conf import settings
self.style = no_style()
verbosity = int(options.get('verbosity', 1))
show_traceback = options.get('traceback', False)
# Keep a count of the installed objects and fixtures
fixture_count = 0
object_count = 0
objects_per_fixture = []
models = set()
humanize = lambda dirname: dirname and "'%s'" % dirname or '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.
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
app_fixtures = [os.path.join(os.path.dirname(app.__file__), 'fixtures') for app in get_apps()]
for fixture_label in fixture_labels:
parts = fixture_label.split('.')
if len(parts) == 1:
fixture_name = fixture_label
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 > 1:
print "Loading '%s' fixtures..." % fixture_name
else:
sys.stderr.write(
self.style.ERROR("Problem installing fixture '%s': %s is not a known serialization format." %
(fixture_name, format)))
transaction.rollback()
transaction.leave_transaction_management()
return
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 > 1:
print "Checking %s for fixtures..." % humanize(fixture_dir)
label_found = False
for format in formats:
serializer = serializers.get_serializer(format)
if verbosity > 1:
print "Trying %s for %s fixture '%s'..." % \
(humanize(fixture_dir), format, fixture_name)
try:
full_path = os.path.join(fixture_dir, '.'.join([fixture_name, format]))
fixture = open(full_path, 'r')
if label_found:
fixture.close()
print self.style.ERROR("Multiple fixtures named '%s' in %s. Aborting." %
(fixture_name, humanize(fixture_dir)))
transaction.rollback()
transaction.leave_transaction_management()
return
else:
fixture_count += 1
objects_per_fixture.append(0)
if verbosity > 0:
print "Installing %s fixture '%s' from %s." % \
(format, fixture_name, humanize(fixture_dir))
try:
objects = serializers.deserialize(format, fixture)
for obj in objects:
object_count += 1
objects_per_fixture[-1] += 1
models.add(obj.object.__class__)
obj.save()
label_found = True
except (SystemExit, KeyboardInterrupt):
raise
except Exception:
import traceback
fixture.close()
transaction.rollback()
transaction.leave_transaction_management()
if show_traceback:
import traceback
traceback.print_exc()
else:
sys.stderr.write(
self.style.ERROR("Problem installing fixture '%s': %s\n" %
(full_path, traceback.format_exc())))
return
fixture.close()
except:
if verbosity > 1:
print "No %s fixture '%s' in %s." % \
(format, fixture_name, humanize(fixture_dir))
# If any of the fixtures we loaded contain 0 objects, assume that an
# error was encountered during fixture loading.
if 0 in objects_per_fixture:
sys.stderr.write(
self.style.ERROR("No fixture data found for '%s'. (File format may be invalid.)" %
(fixture_name)))
transaction.rollback()
transaction.leave_transaction_management()
return
# If we found even one object in a fixture, we need to reset the
# database sequences.
if object_count > 0:
sequence_sql = connection.ops.sequence_reset_sql(self.style, models)
if sequence_sql:
if verbosity > 1:
print "Resetting sequences"
for line in sequence_sql:
cursor.execute(line)
transaction.commit()
transaction.leave_transaction_management()
if object_count == 0:
if verbosity > 1:
print "No fixtures found."
else:
if verbosity > 0:
print "Installed %d object(s) from %d fixture(s)" % (object_count, fixture_count)
def begin_work(run_transaction):
if run_transaction:
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
printv('Transaction started')
def handle(self, *args, **options):
if len(args) != 1:
raise CommandError("Expected exactly 1 argument - Experiment ID")
try:
exp = Experiment.objects.get(pk=int(args[0]))
except Experiment.DoesNotExist:
raise CommandError("Experiment ID %s not found" % args[0])
self.stdout.write("Delete the following experiment?\n\n")
# Print basic experiment information
self.stdout.write("Experiment\n ID: {0}\n".format(exp.id))
self.stdout.write(" Title: {0}\n".format(exp.title))
self.stdout.write(" Public: {0}\n".format(exp.public))
# List experiment authors
authors = Author_Experiment.objects.filter(experiment=exp)
self.stdout.write(" Authors:\n")
for author in authors:
self.stdout.write(" {0}\n".format(author.author))
# List experiment metadata
epsets = ExperimentParameterSet.objects.filter(experiment=exp)
for epset in epsets:
self.stdout.write(" Param Set: {0} - {1}\n".format(
epset.schema.name, epset.schema.namespace))
params = ExperimentParameter.objects.filter(parameterset=epset)
for param in params:
self.stdout.write(" {0} = {1}\n".format(
param.name.full_name, param.get()))
# List experiment ACLs
acls = ExperimentACL.objects.filter(experiment=exp)
self.stdout.write(" ACLs:\n")
for acl in acls:
self.stdout.write(" {0}-{1}, flags: ".format(
acl.pluginId, acl.entityId))
if acl.canRead:
self.stdout.write("R")
if acl.canWrite:
self.stdout.write("W")
if acl.canDelete:
self.stdout.write("D")
if acl.isOwner:
self.stdout.write("O")
self.stdout.write("\n")
# Basic Statistics
datasets = Dataset.objects.filter(experiment=exp)
datafiles = Dataset_File.objects.filter(dataset__experiment=exp)
self.stdout.write(" {0} datset(s), containing {1} file(s)\n".format(
datasets.count(), datafiles.count()))
# If the user has only requested a listing finish now
if options.get('list', False):
return
# User must enter "yes" to proceed
self.stdout.write("\n\nConfirm Deletion? (yes): ")
ans = sys.stdin.readline().strip()
if ans != "yes":
self.stdout.write("'yes' not entered, aborting.\n")
return
# Consider the entire experiment deletion atomic
using = options.get('database', DEFAULT_DB_ALIAS)
transaction.commit_unless_managed(using=using)
transaction.enter_transaction_management(using=using)
transaction.managed(True, using=using)
try:
acls.delete()
epsets.delete()
DatasetParameterSet.objects.filter(
dataset__experiment=exp).delete()
DatafileParameterSet.objects.filter(
dataset_file__dataset__experiment=exp).delete()
authors.delete()
datasets.delete()
datafiles.delete()
exp.delete()
transaction.commit(using=using)
transaction.leave_transaction_management(using=using)
except:
transaction.rollback(using=using)
raise CommandError("Exception occurred, rolling back transaction")
def _pre_setup(self):
transaction.enter_transaction_management()
transaction.managed(True)
if hasattr(self, 'fixtures'):
self._load_fixtures(self.fixtures)
def process_request(self, request):
"""Begin a transaction on request start.."""
from django.db import transaction as django_transaction
django_transaction.enter_transaction_management()
django_transaction.managed(True)
transaction.begin()
def delete_objects(seen_objs, using):
"""
Iterate through a list of seen classes, and remove any instances that are
referred to.
"""
connection = connections[using]
if not transaction.is_managed(using=using):
transaction.enter_transaction_management(using=using)
forced_managed = True
else:
forced_managed = False
try:
ordered_classes = seen_objs.keys()
except CyclicDependency:
# If there is a cyclic dependency, we cannot in general delete the
# objects. However, if an appropriate transaction is set up, or if the
# database is lax enough, it will succeed. So for now, we go ahead and
# try anyway.
ordered_classes = seen_objs.unordered_keys()
obj_pairs = {}
try:
for cls in ordered_classes:
items = seen_objs[cls].items()
items.sort()
obj_pairs[cls] = items
# Pre-notify all instances to be deleted.
for pk_val, instance in items:
if not cls._meta.auto_created:
signals.pre_delete.send(sender=cls, instance=instance)
pk_list = [pk for pk,instance in items]
del_query = sql.DeleteQuery(cls)
del_query.delete_batch_related(pk_list, using=using)
update_query = sql.UpdateQuery(cls)
for field, model in cls._meta.get_fields_with_model():
if (field.rel and field.null and field.rel.to in seen_objs and
filter(lambda f: f.column == field.rel.get_related_field().column,
field.rel.to._meta.fields)):
if model:
sql.UpdateQuery(model).clear_related(field, pk_list, using=using)
else:
update_query.clear_related(field, pk_list, using=using)
# Now delete the actual data.
for cls in ordered_classes:
items = obj_pairs[cls]
items.reverse()
pk_list = [pk for pk,instance in items]
del_query = sql.DeleteQuery(cls)
del_query.delete_batch(pk_list, using=using)
# Last cleanup; set NULLs where there once was a reference to the
# object, NULL the primary key of the found objects, and perform
# post-notification.
for pk_val, instance in items:
for field in cls._meta.fields:
if field.rel and field.null and field.rel.to in seen_objs:
setattr(instance, field.attname, None)
if not cls._meta.auto_created:
signals.post_delete.send(sender=cls, instance=instance)
setattr(instance, cls._meta.pk.attname, None)
if forced_managed:
transaction.commit(using=using)
else:
transaction.commit_unless_managed(using=using)
finally:
if forced_managed:
transaction.leave_transaction_management(using=using)
def handle_noargs(self, **options):
transaction_method = 'none'
#transaction_method = options.get('all') and 'commit' or transaction_method
transaction_method = options.get(
'dryrun') and 'rollback' or transaction_method
max_count = options.get('all') and Pto.objects.all().count() or 1000
_users = {}
def get_user(email):
if email not in _users:
try:
user = User.objects.get(email=email)
except User.DoesNotExist:
user = User.objects.create(
username=email.split('@')[0],
email=email,
)
user.set_unusable_password()
_users[email] = user
return _users[email]
if not transaction_method == 'none':
transaction.enter_transaction_management()
transaction.managed(True)
if max_count < Pto.objects.all().count():
print "Capped to the first", max_count, "objects"
count = 0
for pto in Pto.objects.all().order_by('id')[:max_count]:
#print pto.id
user = get_user(pto.person)
#print 'person', repr(pto.person), repr(user)
added = self._timestamp_to_date(pto.added)
#print 'added', repr(pto.added), added
hours = pto.hours
#print 'hours', float(pto.hours)
#print 'details', repr(pto.details)
start = self._timestamp_to_date(pto.start)
#print 'start', repr(pto.start), start
end = self._timestamp_to_date(pto.end)
#print 'hours_daily', repr(pto.hours_daily)
if pto.hours_daily:
hours_daily = json.loads(pto.hours_daily)
ts_keys = hours_daily.keys()
for ts in ts_keys:
value = hours_daily.pop(ts)
hours_daily[self._timestamp_to_date(ts)] = value
assert sum(hours_daily.values()) == hours
else:
try:
hours_daily = self._create_hours(hours, start, end)
except ZeroDivisionError:
self._report_broken(pto)
continue
#print hours, hours_daily
# go ahead and add it
entry = Entry.objects.create(
user=user,
start=start,
end=end,
total_hours=hours,
details=pto.details.strip(),
add_date=added,
modify_date=added,
)
for d, t in hours_daily.items():
Hours.objects.create(
entry=entry,
hours=t,
date=d,
)
pto.delete()
count += 1
#print 'end', repr(pto.end), end
#print ""
if not transaction_method == 'none':
if transaction_method == 'rollback':
print "rollbacked, no changed applied"
transaction.rollback()
else:
transaction.commit()
print "Migrated", count, "PTO entries"
def import_data(self, dataset, dry_run=False, raise_errors=False,
use_transactions=None):
"""
Imports data from ``dataset``.
``use_transactions``
If ``True`` import process will be processed inside transaction.
If ``dry_run`` is set, or error occurs, transaction will be rolled
back.
"""
result = Result()
result.diff_headers = self.get_diff_headers()
if use_transactions is None:
use_transactions = self.get_use_transactions()
if use_transactions is True:
# when transactions are used we want to create/update/delete object
# as transaction will be rolled back if dry_run is set
real_dry_run = False
transaction.enter_transaction_management()
transaction.managed(True)
else:
real_dry_run = dry_run
instance_loader = self._meta.instance_loader_class(self, dataset)
try:
self.before_import(dataset, real_dry_run)
except Exception as e:
tb_info = traceback.format_exc(2)
result.base_errors.append(Error(repr(e), tb_info))
if raise_errors:
if use_transactions:
transaction.rollback()
transaction.leave_transaction_management()
raise
for row in dataset.dict:
try:
row_result = RowResult()
instance, new = self.get_or_init_instance(instance_loader, row)
if new:
row_result.import_type = RowResult.IMPORT_TYPE_NEW
else:
row_result.import_type = RowResult.IMPORT_TYPE_UPDATE
row_result.new_record = new
original = deepcopy(instance)
if self.for_delete(row, instance):
if new:
row_result.import_type = RowResult.IMPORT_TYPE_SKIP
row_result.diff = self.get_diff(None, None,
real_dry_run)
else:
row_result.import_type = RowResult.IMPORT_TYPE_DELETE
self.delete_instance(instance, real_dry_run)
row_result.diff = self.get_diff(original, None,
real_dry_run)
else:
self.import_obj(instance, row, real_dry_run)
if self.skip_row(instance, original):
row_result.import_type = RowResult.IMPORT_TYPE_SKIP
else:
self.save_instance(instance, real_dry_run)
self.save_m2m(instance, row, real_dry_run)
# Add object info to RowResult for LogEntry
row_result.object_repr = force_text(instance)
row_result.object_id = instance.pk
row_result.diff = self.get_diff(original, instance,
real_dry_run)
except Exception as e:
tb_info = traceback.format_exc(2)
row_result.errors.append(Error(e, tb_info))
if raise_errors:
if use_transactions:
transaction.rollback()
transaction.leave_transaction_management()
six.reraise(*sys.exc_info())
if (row_result.import_type != RowResult.IMPORT_TYPE_SKIP or
self._meta.report_skipped):
result.rows.append(row_result)
if use_transactions:
if dry_run or result.has_errors():
transaction.rollback()
else:
transaction.commit()
transaction.leave_transaction_management()
return result
def __enter__(self):
if not transaction.is_managed(using=self.using):
transaction.enter_transaction_management(using=self.using)
self.forced_managed = True
else:
self.forced_managed = False
def enter(self):
db_transaction.enter_transaction_management(using=self.using)
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(upath(path))
else:
# It's a models.py module
app_module_paths.append(upath(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:
try:
# Attempt to lookup any existing object using natural keys and
# use that object's PK to duplicate and conflict records aren't created.
nk = obj.object.natural_key()
real_object = type(
obj.object
).objects.get_by_natural_key(*nk)
if real_object:
obj.object.pk = real_object.pk
except AttributeError:
# Model class doesn't support natural keys.
pass
except type(obj.object).DoesNotExist:
# No existing record, so proceed as normal.
pass
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 handle(self, *fixture_labels, **options):
from django.db.models import get_apps
from django.core import serializers
from django.db import connection, transaction
from django.conf import settings
self.style = no_style()
verbosity = int(options.get('verbosity', 1))
show_traceback = options.get('traceback', False)
# 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
object_count = 0
models = set()
humanize = lambda dirname: dirname and "'%s'" % dirname or '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()
transaction.enter_transaction_management()
transaction.managed(True)
self.disable_forward_ref_checks(cursor)
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: file,
'gz': gzip.GzipFile,
'zip': SingleZipReader
}
if has_bz2:
compression_types['bz2'] = bz2.BZ2File
app_fixtures = [
os.path.join(os.path.dirname(app.__file__), 'fixtures')
for app in get_apps()
]
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 > 1:
print "Loading '%s' fixtures..." % fixture_name
else:
self.enable_forward_ref_checks(cursor)
sys.stderr.write(
self.style.ERROR(
"Problem installing fixture '%s': %s is not a known serialization format."
% (fixture_name, format)))
transaction.rollback()
transaction.leave_transaction_management()
return
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 > 1:
print "Checking %s for fixtures..." % humanize(fixture_dir)
label_found = False
for format in formats:
for compression_format in compression_formats:
if compression_format:
file_name = '.'.join(
[fixture_name, format, compression_format])
else:
file_name = '.'.join([fixture_name, format])
if verbosity > 1:
print "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')
if label_found:
fixture.close()
self.enable_forward_ref_checks(cursor)
print self.style.ERROR(
"Multiple fixtures named '%s' in %s. Aborting."
% (fixture_name, humanize(fixture_dir)))
transaction.rollback()
transaction.leave_transaction_management()
return
else:
fixture_count += 1
objects_in_fixture = 0
if verbosity > 0:
print "Installing %s fixture '%s' from %s." % \
(format, fixture_name, humanize(fixture_dir))
try:
objects = serializers.deserialize(
format, fixture)
for obj in objects:
objects_in_fixture += 1
self.handle_ref_checks(cursor, obj)
models.add(obj.object.__class__)
obj.save()
object_count += objects_in_fixture
label_found = True
except (SystemExit, KeyboardInterrupt):
self.enable_forward_ref_checks(cursor)
raise
except Exception:
import traceback
fixture.close()
self.enable_forward_ref_checks(cursor)
transaction.rollback()
transaction.leave_transaction_management()
if show_traceback:
traceback.print_exc()
else:
sys.stderr.write(
self.style.ERROR(
"Problem installing fixture '%s': %s\n"
% (full_path, ''.join(
traceback.format_exception(
sys.exc_type,
sys.exc_value,
sys.exc_traceback)))))
return
fixture.close()
# If the fixture we loaded contains 0 objects, assume that an
# error was encountered during fixture loading.
if objects_in_fixture == 0:
self.enable_forward_ref_checks(cursor)
sys.stderr.write(
self.style.ERROR(
"No fixture data found for '%s'. (File format may be invalid.)"
% (fixture_name)))
transaction.rollback()
transaction.leave_transaction_management()
return
except Exception, e:
if verbosity > 1:
print "No %s fixture '%s' in %s." % \
(format, fixture_name, humanize(fixture_dir))
def __enter__(self):
transaction.enter_transaction_management(True, self._using)
return transaction
def handle(self, *fixture_labels, **options):
using = options.get('database', DEFAULT_DB_ALIAS)
connection = connections[using]
self.style = no_style()
verbosity = int(options.get('verbosity', 1))
show_traceback = options.get('traceback', False)
# 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: dirname and "'%s'" % dirname or '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: file,
'gz': gzip.GzipFile,
'zip': SingleZipReader
}
if has_bz2:
compression_types['bz2'] = bz2.BZ2File
# from https://code.djangoproject.com/attachment/ticket/3615/defer_constraint_checks.diff
connection.begin_defer_constraint_checks()
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
]
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 > 1:
self.stdout.write("Loading '%s' fixtures...\n" %
fixture_name)
else:
self.stderr.write(
self.style.ERROR(
"Problem installing fixture '%s': %s is not a known serialization format.\n"
% (fixture_name, format)))
# from https://code.djangoproject.com/attachment/ticket/3615/defer_constraint_checks.diff
connection.end_defer_constraint_checks()
if commit:
transaction.rollback(using=using)
transaction.leave_transaction_management(using=using)
return
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 > 1:
self.stdout.write("Checking %s for fixtures...\n" %
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 > 1:
self.stdout.write("Trying %s for %s fixture '%s'...\n" % \
(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')
if label_found:
fixture.close()
self.stderr.write(
self.style.ERROR(
"Multiple fixtures named '%s' in %s. Aborting.\n"
% (fixture_name, humanize(fixture_dir))))
# from https://code.djangoproject.com/attachment/ticket/3615/defer_constraint_checks.diff
connection.end_defer_constraint_checks()
if commit:
transaction.rollback(using=using)
transaction.leave_transaction_management(
using=using)
return
else:
fixture_count += 1
objects_in_fixture = 0
loaded_objects_in_fixture = 0
if verbosity > 0:
self.stdout.write("Installing %s fixture '%s' from %s.\n" % \
(format, fixture_name, humanize(fixture_dir)))
try:
objects = serializers.deserialize(format,
fixture,
using=using)
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__)
obj.save(using=using)
loaded_object_count += loaded_objects_in_fixture
fixture_object_count += objects_in_fixture
label_found = True
except (SystemExit, KeyboardInterrupt):
raise
except Exception:
import traceback
fixture.close()
# from https://code.djangoproject.com/attachment/ticket/3615/defer_constraint_checks.diff
connection.end_defer_constraint_checks()
if commit:
transaction.rollback(using=using)
transaction.leave_transaction_management(
using=using)
if show_traceback:
traceback.print_exc()
else:
self.stderr.write(
self.style.ERROR(
"Problem installing fixture '%s': %s\n"
% (full_path, ''.join(
traceback.format_exception(
sys.exc_type,
sys.exc_value,
sys.exc_traceback)))))
return
fixture.close()
# If the fixture we loaded contains 0 objects, assume that an
# error was encountered during fixture loading.
if objects_in_fixture == 0:
self.stderr.write(
self.style.ERROR(
"No fixture data found for '%s'. (File format may be invalid.)\n"
% (fixture_name)))
# from https://code.djangoproject.com/attachment/ticket/3615/defer_constraint_checks.diff
connection.end_defer_constraint_checks()
if commit:
transaction.rollback(using=using)
transaction.leave_transaction_management(
using=using)
return
except Exception, e:
if verbosity > 1:
self.stdout.write("No %s fixture '%s' in %s.\n" % \
(format, fixture_name, humanize(fixture_dir)))
def __enter__(self):
t.enter_transaction_management(using=self.using)
t.managed(True, using=self.using)
def _make_history_archive():
transaction.enter_transaction_management()
transaction.managed()
transaction.commit()
date_start = datetime.datetime.now() - datetime.timedelta(days=8)
sql = """
SELECT MIN(id) AS min_id, MAX(id) AS max_id
FROM services_servicehistory
WHERE created >= %s AND created <= %s
ORDER BY id DESC LIMIT 1
"""
cursor = connection.cursor()
cursor.execute(sql, [
date_start.strftime("%Y-%m-%d 00:00:01"),
date_start.strftime("%Y-%m-%d 23:59:59"),
])
row = cursor.fetchone()
if row is None:
return
min_deleted_id = row[0]
max_deleted_id = row[1]
if not min_deleted_id or not max_deleted_id:
return
sql = """
INSERT INTO services_servicehistoryarchive (
response_time,
namelookup_time,
connect_time,
pretransfer_time,
starttransfer_time,
redirect_time,
size_download,
speed_download,
redirect_count,
num_connects,
created,
service_id,
agent_id
)
SELECT
ROUND(AVG(response_time), 2) AS response_time,
ROUND(AVG(namelookup_time), 2) AS namelookup_time,
ROUND(AVG(connect_time), 2) AS connect_time,
ROUND(AVG(pretransfer_time), 2) AS pretransfer_time,
ROUND(AVG(starttransfer_time), 2) AS starttransfer_time,
ROUND(AVG(redirect_time), 2) AS redirect_time,
ROUND(AVG(size_download), 0) AS size_download,
ROUND(AVG(speed_download), 0) AS speed_download,
ROUND(AVG(redirect_count), 0) AS redirect_count,
ROUND(AVG(num_connects), 0) AS num_connects,
CASE
WHEN MINUTE(created) >= 45 THEN date_format(created, '%%Y-%%m-%%d %%H:45')
WHEN MINUTE(created) < 45 AND MINUTE(created) >= 30 THEN date_format(created, '%%Y-%%m-%%d %%H:30')
WHEN MINUTE(created) < 30 AND MINUTE(created) >= 15 THEN date_format(created, '%%Y-%%m-%%d %%H:15')
ELSE date_format(created, '%%Y-%%m-%%d %%H:00')
END AS created_at,
service_id,
agent_id
FROM
services_servicehistory
WHERE
created >= %s AND created <= %s
GROUP BY
created_at, service_id, agent_id;
"""
try:
cursor.execute(sql, [
date_start.strftime("%Y-%m-%d 00:00:01"),
date_start.strftime("%Y-%m-%d 23:59:59"),
])
except DatabaseError:
transaction.rollback()
return
sql = """
DELETE FROM services_servicehistoryextra
WHERE service_history_id >= %s AND service_history_id <= %s
"""
try:
cursor.execute(sql, [min_deleted_id, max_deleted_id])
except DatabaseError:
transaction.rollback()
return
sql = """
SELECT
partition_name
FROM INFORMATION_SCHEMA.PARTITIONS
WHERE
table_schema=%s AND
table_name='services_servicehistory' AND
partition_name<>'p_other'
ORDER BY partition_name ASC
"""
try:
cursor.execute(sql, [settings.DATABASES['default']['NAME']])
except DatabaseError:
transaction.rollback()
return
current_partitions = []
for row in cursor.fetchall():
current_partitions.append(row[0])
partition_to_delete = (
date_start + datetime.timedelta(days=1)
).strftime("p%Y%m%d")
if partition_to_delete not in current_partitions:
return
sql = "ALTER TABLE services_servicehistory DROP PARTITION %s" % (
partition_to_delete,
)
try:
cursor.execute(sql)
except DatabaseError:
transaction.rollback()
return
transaction.commit()
def import_data(self,
dataset,
dry_run=False,
raise_errors=False,
use_transactions=None):
"""
Imports data from ``dataset``.
``use_transactions``
If ``True`` import process will be processed inside transaction.
If ``dry_run`` is set, or error occurs, transaction will be rolled
back.
"""
result = Result()
if use_transactions is None:
use_transactions = self.get_use_transactions()
if use_transactions is True:
# when transactions are used we want to create/update/delete object
# as transaction will be rolled back if dry_run is set
real_dry_run = False
transaction.enter_transaction_management()
transaction.managed(True)
else:
real_dry_run = dry_run
instance_loader = self._meta.instance_loader_class(self, dataset)
for row in dataset.dict:
try:
row_result = RowResult()
instance, new = self.get_or_init_instance(instance_loader, row)
if new:
row_result.import_type = RowResult.IMPORT_TYPE_NEW
else:
row_result.import_type = RowResult.IMPORT_TYPE_UPDATE
row_result.new_record = new
original = deepcopy(instance)
if self.for_delete(row, instance):
if new:
row_result.import_type = RowResult.IMPORT_TYPE_SKIP
row_result.diff = self.get_diff(
None, None, real_dry_run)
else:
row_result.import_type = RowResult.IMPORT_TYPE_DELETE
self.delete_instance(instance, real_dry_run)
row_result.diff = self.get_diff(
original, None, real_dry_run)
else:
self.import_obj(instance, row)
self.save_instance(instance, real_dry_run)
self.save_m2m(instance, row, real_dry_run)
row_result.diff = self.get_diff(original, instance,
real_dry_run)
except Exception, e:
tb_info = traceback.format_exc(sys.exc_info()[2])
row_result.errors.append(Error(repr(e), tb_info))
if raise_errors:
if use_transactions:
transaction.rollback()
transaction.leave_transaction_management()
raise
result.rows.append(row_result)
def setupBridge(master, settings, config):
'''Setup the bridget between buildbot and the database.
This is also the closure in which all things happen that depend
on the given settings.
'''
# allow settings to be none for tests
if settings is not None:
os.environ['DJANGO_SETTINGS_MODULE'] = settings
import bb2mbdb.utils
reload(bb2mbdb.utils)
import mbdb.models
reload(mbdb.models)
from bb2mbdb.utils import modelForSource, modelForChange, modelForLog, \
timeHelper
from mbdb.models import Master, Slave, Builder, BuildRequest, Build
from django.db import transaction
try:
# hack around the lack of @transaction.commit_manually
transaction.enter_transaction_management()
transaction.managed(True)
dbm, new_master = Master.objects.get_or_create(name=master)
transaction.commit()
except:
transaction.rollback()
raise
finally:
transaction.leave_transaction_management()
class Scheduler(BaseScheduler):
@transaction.commit_on_success
def addChange(self, change):
dbchange = modelForChange(dbm, change)
log.msg('ADDED CHANGE to DB, %d' % dbchange.number)
def listBuilderNames(self):
# Sadly, we need this. Buildbot is going to complain that we
# don't build. What does he know.
return []
if 'schedulers' not in config:
config['schedulers'] = []
config['schedulers'].insert(0, Scheduler('bb2mbdb'))
class StepReceiver(StatusReceiver):
'''Build- and StatusReceiver helper objects to receive all
events for a particular step.
'''
def __init__(self, dbstep, basedir):
self.step = dbstep
self.basedir = basedir
@transaction.commit_on_success
def stepTextChanged(self, build, step, text):
self.step.text = text
self.step.save()
@transaction.commit_on_success
def stepText2Changed(self, build, step, text2):
self.step.text2 = text2
self.step.save()
@transaction.commit_on_success
def logStarted(self, build, step, log):
self.log = modelForLog(self.step, log, self.basedir)
def logChunk(self, build, step, log, channel, text):
pass
@transaction.commit_on_success
def logFinished(self, build, step, log):
self.log.isFinished = True
self.log.save()
pass
def stepETAUpdate(self, build, step, ETA, expectations):
'''TODO: ETA support.
'''
pass
class BuildReceiver(StatusReceiver):
'''StatusReceiver helper object to receive all events
for a particular build.
Caches the database model object.
'''
def __init__(self, dbbuild, basedir):
self.build = dbbuild
self.basedir = basedir
self.latestStep = self.latestDbStep = None
@transaction.commit_manually
def stepStarted(self, build, step):
self.latestStep = step
starttime = timeHelper(step.getTimes()[0])
self.latestDbStep = self.build.steps.create(name=step.getName(),
starttime=starttime,
text=step.getText(),
text2=step.text2)
transaction.commit()
return StepReceiver(self.latestDbStep, self.basedir)
@transaction.commit_on_success
def stepFinished(self, build, step, results):
assert step == self.latestStep, "We lost a step somewhere"
try:
self.latestStep = None
self.latestDbStep.endtime = timeHelper(step.getTimes()[1])
# only the first is the result, the second is text2,
# ignore that.
self.latestDbStep.result = results[0]
self.latestDbStep.text = step.getText()
self.latestDbStep.text2 = step.text2
self.latestDbStep.save()
self.latestDbStep = None
except Exception, e:
log.msg(str(e))
pass
def buildETAUpdate(self, build, ETA):
'''TODO: ETA support.
'''
pass
def process_request(self, request):
"""Enters transaction management"""
transaction.enter_transaction_management()
transaction.managed(True)
def nocommit(using=None):
t.enter_transaction_management(using=using)
t.managed(True, using=using)
yield
t.rollback()
t.leave_transaction_management(using=using)
def testSetUp(cls):
transaction.enter_transaction_management()
transaction.managed(True)
m = re.match("^# dbdump v(\d+) - (\d+) objects$", line)
if not m:
sys.stderr.write("Unknown dump format\n")
sys.exit(1)
version = int(m.group(1))
totalobjs = int(m.group(2))
i = 0
prev_pct = -1
if version != 1:
sys.stderr.write("Unknown dump version\n")
sys.exit(1)
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
transaction_setup = True
print "Importing new style dump format (v%s)" % version
for line in f.xreadlines():
if line[0] == "{":
for obj in serializers.deserialize("json", "[%s]" % line):
try:
obj.save()
except Exception, e:
sys.stderr.write("Error: %s\n" % e)
sys.stderr.write("Line %s: '%s'" % (i, line))
elif line[0] != "#":
sys.stderr.write("Junk data on line %s" % i)
def migrate_model(processor, model, fields):
from ella.core.models import Publishable
model = get_model(*model.split('.'))
ct = ContentType.objects.get_for_model(model)
if model == Publishable:
ct = None
print 'processing', model._meta, ':',
sys.stdout.flush()
converted = 0
deps = 0
try:
enter_transaction_management()
managed(True)
try:
for m in model.objects.order_by().iterator():
if not ct: # publishable
ct = ContentType.objects.get_for_id(m.content_type_id)
sys.stdout.write('.')
converted += 1
# commit every 1000 iterations
if (converted % 1000) == 0 and is_dirty():
commit()
sys.stdout.write('C')
sys.stdout.flush()
dirty = False
for f in fields:
val = getattr(m, f)
if val:
val, cnt = BOX_RE.subn(update_field(m, ct), val)
if cnt > 0:
deps += cnt
setattr(m, f, val)
dirty = True
SourceText.objects.extract_from_instance(m,
processor,
fields,
content_type=ct,
force_save=dirty,
force_create=True)
except:
# rollback and propagate if something goes wrong
if is_dirty():
rollback()
raise
else:
# commit at the end
if is_dirty():
commit()
finally:
leave_transaction_management()
print
print 'DONE converted %d (%d reported dependencies)' % (
converted,
deps,
)
sys.stdout.flush()
def handle(self, *args, **options):
if len(args) != 1:
raise CommandError("Expected exactly 1 argument - Experiment ID")
try:
exp = Experiment.objects.get(pk=int(args[0]))
except Experiment.DoesNotExist:
raise CommandError("Experiment ID %s not found" % args[0])
# FIXME - we are fetch a bunch of stuff outside of any transaction, and then
# doing the deletes in a transaction. There is an obvious race condition here
# that may result in components of an experiment not being deleted or being deleted
# when they shouldn't be.
# Fetch Datasets and Datafiles and work out which ones would be deleted
datasets = Dataset.objects.filter(experiments__id=exp.id)
datafiles = Dataset_File.objects.filter(
dataset__id__in=map((lambda ds: ds.id), datasets))
uniqueDatasets = filter((lambda ds: ds.experiments.count() == 1),
datasets)
uniqueDatasetIds = map((lambda ds: ds.id), uniqueDatasets)
uniqueDatafiles = filter(
(lambda df: df.dataset.id in uniqueDatasetIds), datafiles)
# Fetch other stuff to be printed and deleted.
acls = ExperimentACL.objects.filter(experiment=exp)
authors = Author_Experiment.objects.filter(experiment=exp)
epsets = ExperimentParameterSet.objects.filter(experiment=exp)
confirmed = options.get('confirmed', False)
listOnly = options.get('list', False)
if not listOnly and not confirmed:
self.stdout.write("Delete the following experiment?\n\n")
if listOnly or not confirmed:
# Print basic experiment information
self.stdout.write("Experiment\n ID: {0}\n".format(exp.id))
self.stdout.write(" Title: {0}\n".format(exp.title))
self.stdout.write(" Locked: {0}\n".format(exp.locked))
self.stdout.write(" Public Access: {0}\n".format(
exp.public_access))
# List experiment authors
self.stdout.write(" Authors:\n")
for author in authors:
self.stdout.write(" {0}\n".format(author.author))
# List experiment metadata
for epset in epsets:
self.stdout.write(" Param Set: {0} - {1}\n".format(
epset.schema.name, epset.schema.namespace))
params = ExperimentParameter.objects.filter(parameterset=epset)
for param in params:
self.stdout.write(" {0} = {1}\n".format(
param.name.full_name, param.get()))
# List experiment ACLs
self.stdout.write(" ACLs:\n")
for acl in acls:
self.stdout.write(" {0}-{1}, flags: ".format(
acl.pluginId, acl.entityId))
if acl.canRead:
self.stdout.write("R")
if acl.canWrite:
self.stdout.write("W")
if acl.canDelete:
self.stdout.write("D")
if acl.isOwner:
self.stdout.write("O")
self.stdout.write("\n")
# Basic Statistics
self.stdout.write(
" {0} total dataset(s), containing {1} file(s)\n".format(
datasets.count(), datafiles.count()))
self.stdout.write(
" {0} non-shared dataset(s), containing {1} file(s)\n".
format(len(uniqueDatasets), len(uniqueDatafiles)))
if len(uniqueDatasets) > 0 and not listOnly:
self.stdout.write(
" (The non-shared datasets and files will be deleted)\n"
)
# If the user has only requested a listing finish now
if listOnly:
return
if not confirmed:
# User must enter "yes" to proceed
self.stdout.write("\n\nConfirm Deletion? (yes): ")
ans = sys.stdin.readline().strip()
if ans != "yes":
self.stdout.write("'yes' not entered, aborting.\n")
return
# Consider the entire experiment deletion atomic
using = options.get('database', DEFAULT_DB_ALIAS)
transaction.commit_unless_managed(using=using)
transaction.enter_transaction_management(using=using)
transaction.managed(True, using=using)
try:
acls.delete()
epsets.delete()
for dataset in datasets:
dataset.experiments.remove(exp.id)
if dataset.experiments.count() == 0:
DatasetParameterSet.objects.filter(
dataset=dataset).delete()
for datafile in Dataset_File.objects.filter(
dataset=dataset):
DatafileParameterSet.objects.filter(
dataset_file=datafile).delete()
datafile.delete()
dataset.delete()
authors.delete()
exp.delete()
transaction.commit(using=using)
transaction.leave_transaction_management(using=using)
except Exception:
transaction.rollback(using=using)
exc_class, exc, tb = sys.exc_info()
new_exc = CommandError(
"Exception %s has occurred: rolled back transaction" %
(exc or exc_class))
raise new_exc.__class__, new_exc, tb
and data currently in the %r database, and may result in
IRREVERSABLE DATA LOSS. Evolutions should be *thoroughly* reviewed
prior to execution.
Are you sure you want to execute the evolutions?
Type 'yes' to continue, or 'no' to cancel: """ % database)
else:
confirm = 'yes'
if is_multi_db():
from django.db import connections
if confirm.lower() == 'yes':
# Begin Transaction
transaction.enter_transaction_management(**using_args)
transaction.managed(flag=True, **using_args)
if is_multi_db():
cursor = connections[database].cursor()
else:
cursor = connection.cursor()
try:
# Perform the SQL
# execute_sql(cursor, sql)
for e in do_actions:
e.doAction()
# Now update the evolution table
version = Version(signature=current_signature)
def handle(self, *fixture_files, **options):
using = options.get('database', DEFAULT_DB_ALIAS)
mode = options.get('mode', 'append')
items_into_tree = options.get('into_tree', None)
if items_into_tree is not None:
try:
items_into_tree = Tree.objects.get(alias=items_into_tree)
except ObjectDoesNotExist:
raise CommandError(
'Target tree alised by `%s` does not exist. Please create it before import.'
% items_into_tree)
else:
mode = 'append'
connection = connections[using]
cursor = connection.cursor()
self.style = no_style()
transaction.commit_unless_managed(using=using)
transaction.enter_transaction_management(using=using)
transaction.managed(True, using=using)
loaded_object_count = 0
if mode == 'replace':
try:
Tree.objects.all().delete()
TreeItem.objects.all().delete()
except ObjectDoesNotExist:
pass
for fixture_file in fixture_files:
self.stdout.write('Loading fixture from `%s` ...\n' % fixture_file)
fixture = file(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 = {}
for obj in objects:
if router.allow_syncdb(using, obj.object.__class__):
if isinstance(obj.object, (Tree, TreeItem)):
if isinstance(obj.object, Tree):
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('\nImporting tree `%s` ...\n' %
tree.alias)
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 = []
for tree_item in tree_items[orig_tree_id]:
parent_ahead = False
self.stdout.write('Importing item `%s` ...\n' %
tree_item.title)
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()
transaction.rollback(using=using)
transaction.leave_transaction_management(using=using)
self.stderr.write(
self.style.ERROR('Fixture `%s` import error: %s\n' %
(fixture_file, ''.join(
traceback.format_exception(
sys.exc_type, sys.exc_value,
sys.exc_traceback)))))
fixture.close()
# Reset DB sequences, for DBMS with sequences support.
if loaded_object_count > 0:
sequence_sql = connection.ops.sequence_reset_sql(
self.style, [Tree, TreeItem])
if sequence_sql:
self.stdout.write('Resetting DB sequences ...\n')
for line in sequence_sql:
cursor.execute(line)
transaction.commit(using=using)
transaction.leave_transaction_management(using=using)
connection.close()
def test_atomic_prevents_calling_transaction_management_methods(self):
with transaction.atomic():
with self.assertRaises(transaction.TransactionManagementError):
transaction.enter_transaction_management()
with self.assertRaises(transaction.TransactionManagementError):
transaction.leave_transaction_management()
def beforeTest(self, test):
"""
Load any database fixtures, set up any test url configurations and
prepare for using transactions for database rollback if possible.
"""
if not self.settings_path:
# short circuit if no settings file can be found
return
from django.contrib.sites.models import Site
from django.contrib.contenttypes.models import ContentType
from django.core.management import call_command
from django.core.urlresolvers import clear_url_caches
from django.conf import settings
from django.db import transaction
use_transaction_isolation = self._should_use_transaction_isolation(
test, settings)
if use_transaction_isolation:
self.call_plugins_method('beforeTransactionManagement', settings, test)
transaction.enter_transaction_management()
transaction.managed(True)
self.disable_transaction_support(transaction)
Site.objects.clear_cache()
ContentType.objects.clear_cache() # Otherwise django.contrib.auth.Permissions will depend on deleted ContentTypes
if use_transaction_isolation:
self.call_plugins_method('afterTransactionManagement', settings, test)
self.call_plugins_method('beforeFixtureLoad', settings, test)
if isinstance(test, nose.case.Test):
# Mirrors django.test.testcases:TestCase
if hasattr(test.context, 'fixtures'):
# We have to use this slightly awkward syntax due to the fact
# that we're using *args and **kwargs together.
ordered_fixtures = sorted(test.context.fixtures)
if ordered_fixtures != self._loaded_test_fixtures:
# Only clear + load the fixtures if they're not already loaded
# Flush previous fixtures
if use_transaction_isolation:
self.restore_transaction_support(transaction)
self._flush_db()
if use_transaction_isolation:
transaction.commit()
self.disable_transaction_support(transaction)
# Load the new fixtures
logger.debug("Loading fixtures: %s", test.context.fixtures)
if use_transaction_isolation:
call_command(
'loaddata',
*test.context.fixtures,
**{'verbosity': 0, 'commit': False}
)
self.restore_transaction_support(transaction)
transaction.commit()
self.disable_transaction_support(transaction)
else:
call_command(
'loaddata',
*test.context.fixtures,
**{'verbosity': 0}
)
self._num_fixture_loads += 1
self._loaded_test_fixtures = ordered_fixtures
def setUp(self):
transaction.enter_transaction_management()
def update_imported_docs(project, version):
"""
Check out or update the given project's repository.
"""
update_docs_output = {}
if not project.vcs_repo():
raise ProjectImportError("Repo type '{repo_type}' unknown".format(
repo_type=project.repo_type))
if version:
log.info('Checking out version {slug}: {identifier}'.format(
slug=version.slug, identifier=version.identifier))
version_slug = version.slug
version_repo = project.vcs_repo(version_slug)
update_docs_output['checkout'] = version_repo.checkout(
version.identifier)
else:
log.info('Updating to latest revision')
version_slug = 'latest'
version_repo = project.vcs_repo(version_slug)
update_docs_output['checkout'] = version_repo.update()
# Ensure we have a conf file (an exception is raised if not)
conf_file = project.conf_file(version.slug)
#Do Virtualenv bits:
if project.use_virtualenv:
update_docs_output['venv'] = run(
'{cmd} --distribute --never-download --no-site-packages {path}'.
format(cmd='virtualenv',
path=project.venv_path(version=version_slug)))
update_docs_output['sphinx'] = run('{cmd} install -U sphinx'.format(
cmd=project.venv_bin(version=version_slug, bin='pip')))
if project.requirements_file:
os.chdir(project.checkout_path(version_slug))
update_docs_output['requirements'] = run(
'{cmd} install -r {requirements}'.format(
cmd=project.venv_bin(version=version_slug, bin='pip'),
requirements=project.requirements_file))
os.chdir(project.checkout_path(version_slug))
update_docs_output['install'] = run(
'{cmd} setup.py install --force'.format(
cmd=project.venv_bin(version=version_slug, bin='python')))
# check tags/version
#XXX:dc: what in this block raises the values error?
try:
if version_repo.supports_tags:
transaction.enter_transaction_management(True)
tags = version_repo.tags
old_tags = [
obj['identifier']
for obj in api.version.get(project__slug=project.slug,
limit=50)['objects']
]
for tag in tags:
if tag.identifier in old_tags:
continue
slug = slugify_uniquely(Version,
tag.verbose_name,
'slug',
255,
project=project)
try:
api.version.post(
dict(project="/api/v1/project/%s/" % project.pk,
slug=slug,
identifier=tag.identifier,
verbose_name=tag.verbose_name))
log.info("New tag found: {0}".format(tag.identifier))
highest = project.highest_version['version']
ver_obj = mkversion(ver)
#TODO: Handle updating higher versions automatically.
#This never worked very well, anyways.
if highest and ver_obj and ver_obj > highest:
log.info("Highest verison known, building docs")
update_docs.delay(ver.project.pk, version_pk=ver.pk)
except Exception, e:
log.error("Failed to create version (tag)", exc_info=True)
transaction.rollback()
#break
transaction.leave_transaction_management()
if version_repo.supports_branches:
transaction.enter_transaction_management(True)
branches = version_repo.branches
old_branches = [
obj['identifier']
for obj in api.version.get(project__slug=project.slug,
limit=50)['objects']
]
for branch in branches:
if branch.identifier in old_branches:
continue
slug = slugify_uniquely(Version,
branch.verbose_name,
'slug',
255,
project=project)
try:
api.version.post(
dict(project="/api/v1/project/%s/" % project.pk,
slug=slug,
identifier=branch.identifier,
verbose_name=branch.verbose_name))
log.info("New branch found: {0}".format(branch.identifier))
except Exception, e:
log.error("Failed to create version (branch)",
exc_info=True)
transaction.rollback()
#break
transaction.leave_transaction_management()