def get_installed_models(tables):
if version == 'trunk':
from django.db import connection
return connection.introspection.installed_models(tables)
elif version == '0.97':
return management.installed_models(tables)
else:
return management._get_installed_models(tables)
class Command(NoArgsCommand):
option_list = NoArgsCommand.option_list + (
make_option(
'--verbosity',
action='store',
dest='verbosity',
default='1',
type='choice',
choices=['0', '1', '2'],
help=
'Verbosity level; 0=minimal output, 1=normal output, 2=all output'
),
make_option(
'--noinput',
action='store_false',
dest='interactive',
default=True,
help='Tells Django to NOT prompt the user for input of any kind.'),
)
help = "Create the database tables for all apps in INSTALLED_APPS whose tables haven't already been created."
def handle_noargs(self, **options):
from django.db import connection, transaction, models
from django.conf import settings
from django.core.management.sql import table_names, installed_models, sql_model_create, sql_for_pending_references, many_to_many_sql_for_model, custom_sql_for_model, sql_indexes_for_model, emit_post_sync_signal
verbosity = int(options.get('verbosity', 1))
interactive = options.get('interactive')
show_traceback = options.get('traceback', False)
self.style = no_style()
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_name in settings.INSTALLED_APPS:
try:
__import__(app_name + '.management', {}, {}, [''])
except ImportError, exc:
# This is slightly hackish. We want to ignore ImportErrors
# if the "management" module itself is missing -- but we don't
# want to ignore the exception if the management module exists
# but raises an ImportError for some reason. The only way we
# can do this is to check the text of the exception. Note that
# we're a bit broad in how we check the text, because different
# Python implementations may not use the same text.
# CPython uses the text "No module named management"
# PyPy uses "No module named myproject.myapp.management"
msg = exc.args[0]
if not msg.startswith(
'No module named') or 'management' not in msg:
raise
cursor = connection.cursor()
if connection.features.uses_case_insensitive_names:
table_name_converter = lambda x: x.upper()
else:
table_name_converter = lambda x: x
# Get a list of all existing database tables, so we know what needs to
# be added.
tables = [table_name_converter(name) for name in table_names()]
# Get a list of already installed *models* so that references work right.
seen_models = installed_models(tables)
created_models = set()
pending_references = {}
# Create the tables for each model
for app in models.get_apps():
app_name = app.__name__.split('.')[-2]
model_list = models.get_models(app)
for model in model_list:
# Create the model's database table, if it doesn't already exist.
if verbosity >= 2:
print "Processing %s.%s model" % (app_name,
model._meta.object_name)
if table_name_converter(model._meta.db_table) in tables:
continue
sql, references = sql_model_create(model, self.style,
seen_models)
seen_models.add(model)
created_models.add(model)
for refto, refs in references.items():
pending_references.setdefault(refto, []).extend(refs)
if refto in seen_models:
sql.extend(
sql_for_pending_references(refto, self.style,
pending_references))
sql.extend(
sql_for_pending_references(model, self.style,
pending_references))
if verbosity >= 1:
print "Creating table %s" % model._meta.db_table
for statement in sql:
cursor.execute(statement)
tables.append(table_name_converter(model._meta.db_table))
# Create the m2m tables. This must be done after all tables have been created
# to ensure that all referred tables will exist.
for app in models.get_apps():
app_name = app.__name__.split('.')[-2]
model_list = models.get_models(app)
for model in model_list:
if model in created_models:
sql = many_to_many_sql_for_model(model, self.style)
if sql:
if verbosity >= 2:
print "Creating many-to-many tables for %s.%s model" % (
app_name, model._meta.object_name)
for statement in sql:
cursor.execute(statement)
transaction.commit_unless_managed()
# Send the post_syncdb signal, so individual apps can do whatever they need
# to do at this point.
emit_post_sync_signal(created_models, verbosity, interactive)
# The connection may have been closed by a syncdb handler.
cursor = connection.cursor()
# Install custom SQL for the app (but only if this
# is a model we've just created)
for app in models.get_apps():
app_name = app.__name__.split('.')[-2]
for model in models.get_models(app):
if model in created_models:
custom_sql = custom_sql_for_model(model)
if custom_sql:
if verbosity >= 1:
print "Installing custom SQL for %s.%s model" % (
app_name, model._meta.object_name)
try:
for sql in custom_sql:
cursor.execute(sql)
except Exception, e:
sys.stderr.write("Failed to install custom SQL for %s.%s model: %s\n" % \
(app_name, model._meta.object_name, e))
if show_traceback:
import traceback
traceback.print_exc()
transaction.rollback_unless_managed()
else:
transaction.commit_unless_managed()
else:
if verbosity >= 2:
print "No custom SQL for %s.%s model" % (
app_name, model._meta.object_name)
def get_introspected_evolution_options(app, style):
ops, introspection = get_operations_and_introspection_classes(style)
from django.db import models, get_introspection_module, connection
cursor = connection.cursor()
app_name = app.__name__.split('.')[-2]
final_output = []
table_list = get_introspection_module().get_table_list(cursor)
seen_models = management.installed_models(table_list)
created_models = set()
final_output = []
seen_tables = set()
model_list = models.get_models(app)
for model in model_list:
# Create the model's database table, if it doesn't already exist.
aka_db_tables = set()
if model._meta.aka:
for x in model._meta.aka:
aka_db_tables.add( "%s_%s" % (model._meta.app_label, x.lower()) )
if model._meta.db_table in table_list or len(aka_db_tables & set(table_list))>0:
continue #renamed
sql, references = fixed_sql_model_create(model, seen_models, style)
final_output.extend(sql)
seen_models.add(model)
created_models.add(model)
table_list.append(model._meta.db_table)
seen_tables.add(model._meta.db_table)
# get the existing models, minus the models we've just created
app_models = models.get_models(app)
for model in created_models:
if model in app_models:
app_models.remove(model)
for model in app_models:
if model._meta.db_table:
seen_tables.add(model._meta.db_table)
output, old_table_name = get_sql_evolution_check_for_changed_model_name(model, style)
if old_table_name: seen_tables.add(old_table_name)
final_output.extend(output)
rebuild = False
output = get_sql_evolution_check_for_changed_field_flags(model, old_table_name, style)
if output and settings.DATABASE_ENGINE == 'sqlite3': rebuild = True
final_output.extend(output)
output = get_sql_evolution_check_for_changed_field_name(model, old_table_name, style)
final_output.extend(output)
if output and settings.DATABASE_ENGINE == 'sqlite3': rebuild = True
output = get_sql_evolution_check_for_new_fields(model, old_table_name, style)
if output and settings.DATABASE_ENGINE == 'sqlite3': rebuild = True
final_output.extend(output)
output = get_sql_evolution_check_for_dead_fields(model, old_table_name, style)
if output and settings.DATABASE_ENGINE == 'sqlite3': rebuild = True
final_output.extend(output)
if rebuild:
output = get_sql_evolution_rebuild_table(model, old_table_name, style)
final_output.extend(output)
for model in app_models + list(created_models):
for f in model._meta.many_to_many:
#creating many_to_many table
if not f.m2m_db_table() in get_introspection_module().get_table_list(cursor):
final_output.extend( _get_many_to_many_sql_for_field(model, f, style) )
seen_tables.add(f.m2m_db_table())
output = get_sql_evolution_check_for_dead_models(table_list, seen_tables, app_name, app_models, style)
final_output.extend(output)
return final_output
def handle_noargs(self, **options):
from django.db import connection, transaction, models
from django.conf import settings
from django.core.management.sql import table_names, installed_models, sql_model_create, sql_for_pending_references, many_to_many_sql_for_model, custom_sql_for_model, sql_indexes_for_model, emit_post_sync_signal
verbosity = int(options.get('verbosity', 1))
interactive = options.get('interactive')
show_traceback = options.get('traceback', False)
self.style = no_style()
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_name in settings.INSTALLED_APPS:
try:
__import__(app_name + '.management', {}, {}, [''])
except ImportError as exc:
# This is slightly hackish. We want to ignore ImportErrors
# if the "management" module itself is missing -- but we don't
# want to ignore the exception if the management module exists
# but raises an ImportError for some reason. The only way we
# can do this is to check the text of the exception. Note that
# we're a bit broad in how we check the text, because different
# Python implementations may not use the same text.
# CPython uses the text "No module named management"
# PyPy uses "No module named myproject.myapp.management"
msg = exc.args[0]
if not msg.startswith('No module named') or 'management' not in msg:
raise
cursor = connection.cursor()
if connection.features.uses_case_insensitive_names:
table_name_converter = lambda x: x.upper()
else:
table_name_converter = lambda x: x
# Get a list of all existing database tables, so we know what needs to
# be added.
tables = [table_name_converter(name) for name in table_names()]
# Get a list of already installed *models* so that references work right.
seen_models = installed_models(tables)
created_models = set()
pending_references = {}
# Create the tables for each model
for app in models.get_apps():
app_name = app.__name__.split('.')[-2]
model_list = models.get_models(app)
for model in model_list:
# Create the model's database table, if it doesn't already exist.
if verbosity >= 2:
print("Processing %s.%s model" % (app_name, model._meta.object_name))
if table_name_converter(model._meta.db_table) in tables:
continue
sql, references = sql_model_create(model, self.style, seen_models)
seen_models.add(model)
created_models.add(model)
for refto, refs in list(references.items()):
pending_references.setdefault(refto, []).extend(refs)
if refto in seen_models:
sql.extend(sql_for_pending_references(refto, self.style, pending_references))
sql.extend(sql_for_pending_references(model, self.style, pending_references))
if verbosity >= 1:
print("Creating table %s" % model._meta.db_table)
for statement in sql:
cursor.execute(statement)
tables.append(table_name_converter(model._meta.db_table))
# Create the m2m tables. This must be done after all tables have been created
# to ensure that all referred tables will exist.
for app in models.get_apps():
app_name = app.__name__.split('.')[-2]
model_list = models.get_models(app)
for model in model_list:
if model in created_models:
sql = many_to_many_sql_for_model(model, self.style)
if sql:
if verbosity >= 2:
print("Creating many-to-many tables for %s.%s model" % (app_name, model._meta.object_name))
for statement in sql:
cursor.execute(statement)
transaction.commit_unless_managed()
# Send the post_syncdb signal, so individual apps can do whatever they need
# to do at this point.
emit_post_sync_signal(created_models, verbosity, interactive)
# The connection may have been closed by a syncdb handler.
cursor = connection.cursor()
# Install custom SQL for the app (but only if this
# is a model we've just created)
for app in models.get_apps():
app_name = app.__name__.split('.')[-2]
for model in models.get_models(app):
if model in created_models:
custom_sql = custom_sql_for_model(model)
if custom_sql:
if verbosity >= 1:
print("Installing custom SQL for %s.%s model" % (app_name, model._meta.object_name))
try:
for sql in custom_sql:
cursor.execute(sql)
except Exception as e:
sys.stderr.write("Failed to install custom SQL for %s.%s model: %s\n" % \
(app_name, model._meta.object_name, e))
if show_traceback:
import traceback
traceback.print_exc()
transaction.rollback_unless_managed()
else:
transaction.commit_unless_managed()
else:
if verbosity >= 2:
print("No custom SQL for %s.%s model" % (app_name, model._meta.object_name))
# Install SQL indicies for all newly created models
for app in models.get_apps():
app_name = app.__name__.split('.')[-2]
for model in models.get_models(app):
if model in created_models:
index_sql = sql_indexes_for_model(model, self.style)
if index_sql:
if verbosity >= 1:
print("Installing index for %s.%s model" % (app_name, model._meta.object_name))
try:
for sql in index_sql:
cursor.execute(sql)
except Exception as e:
sys.stderr.write("Failed to install index for %s.%s model: %s\n" % \
(app_name, model._meta.object_name, e))
transaction.rollback_unless_managed()
else:
transaction.commit_unless_managed()
# Install the 'initial_data' fixture, using format discovery
from django.core.management import call_command
call_command('loaddata', 'initial_data', verbosity=verbosity)