def fixed_sql_model_create(model, known_models, style):
from django.db import connection
if version == 'trunk':
from django.db import connection
return connection.creation.sql_create_model(model, style, known_models)
elif version == '0.97':
return management.sql_model_create(model, style, known_models)
else:
return management._get_sql_model_create(model, known_models)
def install(model):
from django.core.management import sql, color
from django.db import connection
style = color.no_style()
cursor = connection.cursor()
statements, pending = sql.sql_model_create(model, style)
for sql in statements:
cursor.execute(sql)
def get_create_table(models):
from django.core.management.color import no_style
style = no_style()
from django.core.management import sql
statements = []
for model in models:
statements += sql.sql_model_create(model, style)[0]
statements += sql.sql_indexes_for_model(model, style)
statements += sql.custom_sql_for_model(model)
return statements
def create_sequence(name, initial_value=1, final_value=None):
model = create_model(name)
if not sequence_exists(name):
style = color.no_style()
cursor = connection.cursor()
statements, pending = sql.sql_model_create(model, style)
for sql in statements:
cursor.execute(sql)
set_limits(name, initial_value=1, final_value=None)
def install(model):
# Standard syncdb expects models to be in reliable locations,
# so dynamic models need to bypass django.core.management.syncdb.
# On the plus side, this allows individual models to be installed
# without installing the entire project structure.
# On the other hand, this means that things like relationships and
# indexes will have to be handled manually.
# This installs only the basic table definition.
# disable terminal colors in the sql statements
style = color.no_style()
cursor = connection.cursor()
statements, pending = sql.sql_model_create(model, style)
for sql in statements:
cursor.execute(sql)
def teste_banco(request):
app = load_app("modulos.noticia")
app = import_module("modulos.noticia.admin")
raise Exception(app)
connection = connections["default"]
style = color.no_style()
criar = sql.sql_create(app, style, connection)
raise Exception(criar)
raise Exception(path)
cor = color.no_style
model = import_module("modulos.noticia.models")
cursor = connection.cursor()
statements, pending = sql.sql_model_create(model, style)
def install(model):
from django.core.management import sql, color
from django.db import connection
style = color.no_style()
cursor = connection.cursor()
statements, pending = sql.sql_model_create(model, style)
for sql in statements:
cursor.execute(sql)
# def create_db_table(model_class):
# """ Takes a Django model class and create a database table, if necessary.
# """
# # XXX Create related tables for ManyToMany etc
# db.start_transaction()
# table_name = model_class._meta.db_table
#
# # Introspect the database to see if it doesn't already exist
# if (connection.introspection.table_name_converter(table_name)
# not in connection.introspection.table_names()):
#
# fields = _get_fields(model_class)
#
# db.create_table(table_name, fields)
# # Some fields are added differently, after table creation
# # eg GeoDjango fields
# db.execute_deferred_sql()
# logger.debug("Created table '%s'" % table_name)
#
# db.commit_transaction()
#
# def delete_db_table(model_class):
# table_name = model_class._meta.db_table
# db.start_transaction()
# db.delete_table(table_name)
# logger.debug("Deleted table '%s'" % table_name)
# db.commit_transaction()
#
# def write(request, type, num, sensor, storage):
# n=num
# s=Sensor.objects.filter(index=sensor).filter(storage__index__exact=storage)
# storage=Storage.objects.get(index=storage)
# for s1 in s:
# if type == 'air':
# for i in range(num):
# a=Air()
# a.sensor_index = s1
# a.storage=storage
# a.temp=uniform(15,25)
# a.hum=uniform(15,25)
# a.time=datetime.datetime(2014, 12, 22, randint(0, 24), randint(0, 60), 0)
# a.save()
# return redirect('storagemanage')
# def data(request, id):
# sensor=Sensor.objects.get(id=id)
# rlist = []
# rlist.append({"id" : id, "addr" : sensor.addr, "type" : sensor.type, "storage": sensor.storage})
# rjson = json.dumps(rlist)
# response = HttpResponse()
# response['Content-Type'] = "text/javascript"
# response.write(rjson)
# return response
# def ShowNode(request,Station):
# nodes_list = NodeInfo.objects.filter(station__station__exact = Station)
# nlist=[]
# for node in nodes_list:
# nlist.append({"index":node.index, "status":node.status})
# sjson=json.dumps(nlist)
# response=HttpResponse()
# response['Content-type']="text/javascript"
# response.write(sjson)
# return response
# def test(request):
# nodes_list = NodeInfo.objects.filter(station__id__exact = 1)
# num=nodes_list.all().count()
# y=np.arange(num)
# for i in range(len(y)):
# y[i]=nodes_list[i].index
#
# # def func(i):
# # return a[i]
#
# #x=np.linspace(1,num,10)
# x=np.arange(num)
# plot(x,y,'--*b')
# savefig('/home/nero/myfig.svg')
#
# return redirect("/")
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 fixed_sql_model_create(model, known_models, style):
if version == 'trunk':
return management.sql_model_create( model, style, known_models )
else:
return management._get_sql_model_create( model, known_models )
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)
