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[1.0.X] Fixed #9011 -- Corrected handling of fixture files that contain errors to correctly report the broken fixture name. Thanks to jlrivitti@gmail.com for the report and initial patch. 

Merge of [9357] and [9358] from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9359 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2008-11-06 11:27:33 +00:00
parent 697f73f488
commit 6be20bf64c
3 changed files with 32 additions and 24 deletions
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40
django/core/management/commands/loaddata.py
View File

@ -28,19 +28,18 @@ class Command(BaseCommand):
verbosity = int(options.get('verbosity', 1))
show_traceback = options.get('traceback', False)
# commit is a stealth option - it isn't really useful as
# 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.
# 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
objects_per_fixture = []
models = set()
humanize = lambda dirname: dirname and "'%s'" % dirname or 'absolute path'
@ -108,17 +107,17 @@ class Command(BaseCommand):
return
else:
fixture_count += 1
objects_per_fixture.append(0)
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:
object_count += 1
objects_per_fixture[-1] += 1
objects_in_fixture += 1
models.add(obj.object.__class__)
obj.save()
object_count += objects_in_fixture
label_found = True
except (SystemExit, KeyboardInterrupt):
raise
@ -136,22 +135,21 @@ class Command(BaseCommand):
(full_path, traceback.format_exc())))
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:
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:
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:
@ -161,7 +159,7 @@ class Command(BaseCommand):
print "Resetting sequences"
for line in sequence_sql:
cursor.execute(line)
if commit:
transaction.commit()
transaction.leave_transaction_management()
@ -172,7 +170,7 @@ class Command(BaseCommand):
else:
if verbosity > 0:
print "Installed %d object(s) from %d fixture(s)" % (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

1
tests/regressiontests/fixtures_regress/fixtures/empty.json Normal file
View File

@ -0,0 +1 @@
[]

15
tests/regressiontests/fixtures_regress/models.py
View File

@ -7,7 +7,7 @@ class Animal(models.Model):
name = models.CharField(max_length=150)
latin_name = models.CharField(max_length=150)
count = models.IntegerField()
def __unicode__(self):
return self.common_name
@ -56,7 +56,7 @@ class Channel(models.Model):
class Article(models.Model):
title = models.CharField(max_length=255)
channels = models.ManyToManyField(Channel)
class Meta:
ordering = ('id',)
@ -113,6 +113,15 @@ No fixture data found for 'bad_fixture2'. (File format may be invalid.)
>>> management.call_command('loaddata', 'bad_fixture2', verbosity=0)
No fixture data found for 'bad_fixture2'. (File format may be invalid.)
# Loading a fixture file with no data returns an error
>>> management.call_command('loaddata', 'empty', verbosity=0)
No fixture data found for 'empty'. (File format may be invalid.)
# If any of the fixtures contain an error, loading is aborted
# (Regression for #9011 - error message is correct)
>>> management.call_command('loaddata', 'bad_fixture2', 'animal', verbosity=0)
No fixture data found for 'bad_fixture2'. (File format may be invalid.)
>>> sys.stderr = savestderr
###############################################
@ -123,7 +132,7 @@ No fixture data found for 'bad_fixture2'. (File format may be invalid.)
>>> management.call_command('loaddata', 'model-inheritance.json', verbosity=0)
###############################################
# Test for ticket #7572 -- MySQL has a problem if the same connection is
# Test for ticket #7572 -- MySQL has a problem if the same connection is
# used to create tables, load data, and then query over that data.
# To compensate, we close the connection after running loaddata.
# This ensures that a new connection is opened when test queries are issued.