def handle(self, *args, **options):
self.verbosity = options['verbosity']
self.interactive = options['interactive']
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_config in apps.get_app_configs():
if module_has_submodule(app_config.module, "management"):
import_module('.management', app_config.name)
# Get the database we're operating from
db = options['database']
connection = connections[db]
# Hook for backends needing any database preparation
connection.prepare_database()
# Work out which apps have migrations and which do not
executor = MigrationExecutor(connection,
self.migration_progress_callback)
# Raise an error if any migrations are applied before their dependencies.
executor.loader.check_consistent_history(connection)
# Before anything else, see if there's conflicting apps and drop out
# hard if there are any
conflicts = executor.loader.detect_conflicts()
if conflicts:
name_str = "; ".join("%s in %s" % (", ".join(names), app)
for app, names in conflicts.items())
raise CommandError(
"Conflicting migrations detected; multiple leaf nodes in the "
"migration graph: (%s).\nTo fix them run "
"'python manage.py makemigrations --merge'" % name_str)
# If they supplied command line arguments, work out what they mean.
target_app_labels_only = True
if options['app_label'] and options['migration_name']:
app_label, migration_name = options['app_label'], options[
'migration_name']
if app_label not in executor.loader.migrated_apps:
raise CommandError("App '%s' does not have migrations." %
app_label)
if migration_name == "zero":
targets = [(app_label, None)]
else:
try:
migration = executor.loader.get_migration_by_prefix(
app_label, migration_name)
except AmbiguityError:
raise CommandError(
"More than one migration matches '%s' in app '%s'. "
"Please be more specific." %
(migration_name, app_label))
except KeyError:
raise CommandError(
"Cannot find a migration matching '%s' from app '%s'."
% (migration_name, app_label))
targets = [(app_label, migration.name)]
target_app_labels_only = False
elif options['app_label']:
app_label = options['app_label']
if app_label not in executor.loader.migrated_apps:
raise CommandError("App '%s' does not have migrations." %
app_label)
targets = [
key for key in executor.loader.graph.leaf_nodes()
if key[0] == app_label
]
else:
targets = executor.loader.graph.leaf_nodes()
plan = executor.migration_plan(targets)
run_syncdb = options['run_syncdb'] and executor.loader.unmigrated_apps
# Print some useful info
if self.verbosity >= 1:
self.stdout.write(
self.style.MIGRATE_HEADING("Operations to perform:"))
if run_syncdb:
self.stdout.write(
self.style.MIGRATE_LABEL(" Synchronize unmigrated apps: ")
+ (", ".join(sorted(executor.loader.unmigrated_apps))))
if target_app_labels_only:
self.stdout.write(
self.style.MIGRATE_LABEL(" Apply all migrations: ") +
(", ".join(sorted(set(a
for a, n in targets))) or "(none)"))
else:
if targets[0][1] is None:
self.stdout.write(
self.style.MIGRATE_LABEL(" Unapply all migrations: ")
+ "%s" % (targets[0][0], ))
else:
self.stdout.write(
self.style.MIGRATE_LABEL(
" Target specific migration: ") + "%s, from %s" %
(targets[0][1], targets[0][0]))
emit_pre_migrate_signal(self.verbosity, self.interactive,
connection.alias)
# Run the syncdb phase.
if run_syncdb:
if self.verbosity >= 1:
self.stdout.write(
self.style.MIGRATE_HEADING(
"Synchronizing apps without migrations:"))
self.sync_apps(connection, executor.loader.unmigrated_apps)
# Migrate!
if self.verbosity >= 1:
self.stdout.write(
self.style.MIGRATE_HEADING("Running migrations:"))
if not plan:
executor.check_replacements()
if self.verbosity >= 1:
self.stdout.write(" No migrations to apply.")
# If there's changes that aren't in migrations yet, tell them how to fix it.
autodetector = MigrationAutodetector(
executor.loader.project_state(),
ProjectState.from_apps(apps),
)
changes = autodetector.changes(graph=executor.loader.graph)
if changes:
self.stdout.write(
self.style.NOTICE(
" Your models have changes that are not yet reflected "
"in a migration, and so won't be applied."))
self.stdout.write(
self.style.NOTICE(
" Run 'manage.py makemigrations' to make new "
"migrations, and then re-run 'manage.py migrate' to "
"apply them."))
else:
fake = options['fake']
fake_initial = options['fake_initial']
executor.migrate(targets,
plan,
fake=fake,
fake_initial=fake_initial)
# Send the post_migrate signal, so individual apps can do whatever they need
# to do at this point.
emit_post_migrate_signal(self.verbosity, self.interactive,
connection.alias)
def handle(self, *args, **options):
self.verbosity = options.get('verbosity')
self.interactive = options.get('interactive')
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_config in apps.get_app_configs():
if module_has_submodule(app_config.module, "management"):
import_module('.management', app_config.name)
# Get the database we're operating from
db = options.get('database')
connection = connections[db]
# If they asked for a migration listing, quit main execution flow and show it
if options.get("list", False):
warnings.warn(
"The 'migrate --list' command is deprecated. Use 'showmigrations' instead.",
RemovedInDjango110Warning, stacklevel=2)
self.stdout.ending = None # Remove when #21429 is fixed
return call_command(
'showmigrations',
'--list',
app_labels=[options['app_label']] if options['app_label'] else None,
database=db,
no_color=options.get('no_color'),
settings=options.get('settings'),
stdout=self.stdout,
traceback=options.get('traceback'),
verbosity=self.verbosity,
)
# Hook for backends needing any database preparation
connection.prepare_database()
# Work out which apps have migrations and which do not
executor = MigrationExecutor(connection, self.migration_progress_callback)
# Before anything else, see if there's conflicting apps and drop out
# hard if there are any
conflicts = executor.loader.detect_conflicts()
if conflicts:
name_str = "; ".join(
"%s in %s" % (", ".join(names), app)
for app, names in conflicts.items()
)
raise CommandError(
"Conflicting migrations detected; multiple leaf nodes in the "
"migration graph: (%s).\nTo fix them run "
"'python manage.py makemigrations --merge'" % name_str
)
# If they supplied command line arguments, work out what they mean.
target_app_labels_only = True
if options['app_label'] and options['migration_name']:
app_label, migration_name = options['app_label'], options['migration_name']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations." % app_label
)
if migration_name == "zero":
targets = [(app_label, None)]
else:
try:
migration = executor.loader.get_migration_by_prefix(app_label, migration_name)
except AmbiguityError:
raise CommandError(
"More than one migration matches '%s' in app '%s'. "
"Please be more specific." %
(migration_name, app_label)
)
except KeyError:
raise CommandError("Cannot find a migration matching '%s' from app '%s'." % (
migration_name, app_label))
targets = [(app_label, migration.name)]
target_app_labels_only = False
elif options['app_label']:
app_label = options['app_label']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations." % app_label
)
targets = [key for key in executor.loader.graph.leaf_nodes() if key[0] == app_label]
else:
targets = executor.loader.graph.leaf_nodes()
plan = executor.migration_plan(targets)
run_syncdb = options.get('run_syncdb') and executor.loader.unmigrated_apps
# Print some useful info
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Operations to perform:"))
if run_syncdb:
self.stdout.write(
self.style.MIGRATE_LABEL(" Synchronize unmigrated apps: ") +
(", ".join(executor.loader.unmigrated_apps))
)
if target_app_labels_only:
self.stdout.write(
self.style.MIGRATE_LABEL(" Apply all migrations: ") +
(", ".join(set(a for a, n in targets)) or "(none)")
)
else:
if targets[0][1] is None:
self.stdout.write(self.style.MIGRATE_LABEL(
" Unapply all migrations: ") + "%s" % (targets[0][0], )
)
else:
self.stdout.write(self.style.MIGRATE_LABEL(
" Target specific migration: ") + "%s, from %s"
% (targets[0][1], targets[0][0])
)
emit_pre_migrate_signal(self.verbosity, self.interactive, connection.alias)
# Run the syncdb phase.
if run_syncdb:
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Synchronizing apps without migrations:"))
self.sync_apps(connection, executor.loader.unmigrated_apps)
# Migrate!
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Running migrations:"))
if not plan:
executor.check_replacements()
if self.verbosity >= 1:
self.stdout.write(" No migrations to apply.")
# If there's changes that aren't in migrations yet, tell them how to fix it.
autodetector = MigrationAutodetector(
executor.loader.project_state(),
ProjectState.from_apps(apps),
)
changes = autodetector.changes(graph=executor.loader.graph)
if changes:
self.stdout.write(self.style.NOTICE(
" Your models have changes that are not yet reflected "
"in a migration, and so won't be applied."
))
self.stdout.write(self.style.NOTICE(
" Run 'manage.py makemigrations' to make new "
"migrations, and then re-run 'manage.py migrate' to "
"apply them."
))
else:
fake = options.get("fake")
fake_initial = options.get("fake_initial")
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
# Send the post_migrate signal, so individual apps can do whatever they need
# to do at this point.
emit_post_migrate_signal(self.verbosity, self.interactive, connection.alias)
def handle(self, *args, **options):
self.verbosity = options['verbosity']
self.interactive = options['interactive']
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_config in apps.get_app_configs():
if module_has_submodule(app_config.module, "management"):
import_module('.management', app_config.name)
# Get the database we're operating from
db = options['database']
connection = connections[db]
# Hook for backends needing any database preparation
connection.prepare_database()
# Work out which apps have migrations and which do not
executor = MigrationExecutor(connection, self.migration_progress_callback)
# Raise an error if any migrations are applied before their dependencies.
executor.loader.check_consistent_history(connection)
# Before anything else, see if there's conflicting apps and drop out
# hard if there are any
conflicts = executor.loader.detect_conflicts()
if conflicts:
name_str = "; ".join(
"%s in %s" % (", ".join(names), app)
for app, names in conflicts.items()
)
raise CommandError(
"Conflicting migrations detected; multiple leaf nodes in the "
"migration graph: (%s).\nTo fix them run "
"'python manage.py makemigrations --merge'" % name_str
)
# If they supplied command line arguments, work out what they mean.
target_app_labels_only = True
if options['app_label'] and options['migration_name']:
app_label, migration_name = options['app_label'], options['migration_name']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations." % app_label
)
if migration_name == "zero":
targets = [(app_label, None)]
else:
try:
migration = executor.loader.get_migration_by_prefix(app_label, migration_name)
except AmbiguityError:
raise CommandError(
"More than one migration matches '%s' in app '%s'. "
"Please be more specific." %
(migration_name, app_label)
)
except KeyError:
raise CommandError("Cannot find a migration matching '%s' from app '%s'." % (
migration_name, app_label))
targets = [(app_label, migration.name)]
target_app_labels_only = False
elif options['app_label']:
app_label = options['app_label']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations." % app_label
)
targets = [key for key in executor.loader.graph.leaf_nodes() if key[0] == app_label]
else:
targets = executor.loader.graph.leaf_nodes()
plan = executor.migration_plan(targets)
run_syncdb = options['run_syncdb'] and executor.loader.unmigrated_apps
# Print some useful info
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Operations to perform:"))
if run_syncdb:
self.stdout.write(
self.style.MIGRATE_LABEL(" Synchronize unmigrated apps: ") +
(", ".join(sorted(executor.loader.unmigrated_apps)))
)
if target_app_labels_only:
self.stdout.write(
self.style.MIGRATE_LABEL(" Apply all migrations: ") +
(", ".join(sorted(set(a for a, n in targets))) or "(none)")
)
else:
if targets[0][1] is None:
self.stdout.write(self.style.MIGRATE_LABEL(
" Unapply all migrations: ") + "%s" % (targets[0][0], )
)
else:
self.stdout.write(self.style.MIGRATE_LABEL(
" Target specific migration: ") + "%s, from %s"
% (targets[0][1], targets[0][0])
)
pre_migrate_apps = executor._create_project_state().apps
emit_pre_migrate_signal(
self.verbosity, self.interactive, connection.alias, apps=pre_migrate_apps, plan=plan,
)
# Run the syncdb phase.
if run_syncdb:
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Synchronizing apps without migrations:"))
self.sync_apps(connection, executor.loader.unmigrated_apps)
# Migrate!
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Running migrations:"))
if not plan:
executor.check_replacements()
if self.verbosity >= 1:
self.stdout.write(" No migrations to apply.")
# If there's changes that aren't in migrations yet, tell them how to fix it.
autodetector = MigrationAutodetector(
executor.loader.project_state(),
ProjectState.from_apps(apps),
)
changes = autodetector.changes(graph=executor.loader.graph)
if changes:
self.stdout.write(self.style.NOTICE(
" Your models have changes that are not yet reflected "
"in a migration, and so won't be applied."
))
self.stdout.write(self.style.NOTICE(
" Run 'manage.py makemigrations' to make new "
"migrations, and then re-run 'manage.py migrate' to "
"apply them."
))
post_migrate_apps = pre_migrate_apps
else:
fake = options['fake']
fake_initial = options['fake_initial']
post_migrate_project_state = executor.migrate(
targets, plan, fake=fake, fake_initial=fake_initial
)
post_migrate_apps = post_migrate_project_state.apps
# Re-render models of real apps to include relationships now that
# we've got a final state. This wouldn't be necessary if real apps
# models were rendered with relationships in the first place.
with post_migrate_apps.bulk_update():
model_keys = []
for model_state in post_migrate_apps.real_models:
model_key = model_state.app_label, model_state.name_lower
model_keys.append(model_key)
post_migrate_apps.unregister_model(*model_key)
post_migrate_apps.render_multiple([
ModelState.from_model(apps.get_model(*model)) for model in model_keys
])
# Send the post_migrate signal, so individual apps can do whatever they need
# to do at this point.
emit_post_migrate_signal(
self.verbosity, self.interactive, connection.alias, apps=post_migrate_apps, plan=plan,
)
def handle(self, *args, **options):
self.verbosity = options.get('verbosity')
self.interactive = options.get('interactive')
self.show_traceback = options.get('traceback')
self.load_initial_data = options.get('load_initial_data')
db_dry_run = options.get("db_dry_run")
# Get the database we're operating from
db = options.get('database')
connection = connections[db]
# If they asked for a migration listing, quit main execution flow and show it
if options.get("list", False):
warnings.warn(
"The 'migrate --list' command is deprecated. Use 'showmigrations' instead.",
RemovedInDjango110Warning, stacklevel=2)
self.stdout.ending = None # Remove when #21429 is fixed
return call_command(
'showmigrations',
'--list',
app_labels=[options['app_label']] if options['app_label'] else None,
database=db,
no_color=options.get('no_color'),
settings=options.get('settings'),
stdout=self.stdout,
traceback=self.show_traceback,
verbosity=self.verbosity,
)
# Hook for backends needing any database preparation
connection.prepare_database()
# Work out which apps have migrations and which do not
executor = MigrationExecutor(connection, self.migration_progress_callback)
# Before anything else, see if there's conflicting apps and drop out
# hard if there are any
conflicts = executor.loader.detect_conflicts()
if conflicts:
name_str = "; ".join(
"%s in %s" % (", ".join(names), app)
for app, names in conflicts.items()
)
raise CommandError(
"Conflicting migrations detected (%s).\nTo fix them run "
"'python manage.py makemigrations --merge'" % name_str
)
# If they supplied command line arguments, work out what they mean.
run_syncdb = False
target_app_labels_only = True
if options['app_label'] and options['migration_name']:
app_label, migration_name = options['app_label'], options['migration_name']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations (you cannot selectively "
"sync unmigrated apps)" % app_label
)
if migration_name == "zero":
targets = [(app_label, None)]
else:
try:
migration = executor.loader.get_migration_by_prefix(app_label, migration_name)
except AmbiguityError:
raise CommandError(
"More than one migration matches '%s' in app '%s'. "
"Please be more specific." %
(migration_name, app_label)
)
except KeyError:
raise CommandError("Cannot find a migration matching '%s' from app '%s'." % (
migration_name, app_label))
targets = [(app_label, migration.name)]
target_app_labels_only = False
elif options['app_label']:
app_label = options['app_label']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations (you cannot selectively "
"sync unmigrated apps)" % app_label
)
targets = [key for key in executor.loader.graph.leaf_nodes() if key[0] == app_label]
else:
targets = executor.loader.graph.leaf_nodes()
run_syncdb = True
plan = executor.migration_plan(targets)
# Print some useful info
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Operations to perform:"))
if run_syncdb and executor.loader.unmigrated_apps:
self.stdout.write(
self.style.MIGRATE_LABEL(" Synchronize unmigrated apps: ") +
(", ".join(executor.loader.unmigrated_apps))
)
if target_app_labels_only:
self.stdout.write(
self.style.MIGRATE_LABEL(" Apply all migrations: ") +
(", ".join(set(a for a, n in targets)) or "(none)")
)
else:
if targets[0][1] is None:
self.stdout.write(self.style.MIGRATE_LABEL(
" Unapply all migrations: ") + "%s" % (targets[0][0], )
)
else:
self.stdout.write(self.style.MIGRATE_LABEL(
" Target specific migration: ") + "%s, from %s"
% (targets[0][1], targets[0][0])
)
# Run the syncdb phase.
# If you ever manage to get rid of this, I owe you many, many drinks.
# Note that pre_migrate is called from inside here, as it needs
# the list of models about to be installed.
if run_syncdb and executor.loader.unmigrated_apps:
if self.verbosity >= 1:
self.stdout.write(self.style.MIGRATE_HEADING("Synchronizing apps without migrations:"))
created_models = self.sync_apps(connection, executor.loader.unmigrated_apps)
else:
created_models = []
emit_pre_migrate_signal([], self.verbosity, self.interactive, connection.alias)
# The test runner requires us to flush after a syncdb but before migrations,
# so do that here.
if options.get("test_flush", False):
call_command(
'flush',
verbosity=max(self.verbosity - 1, 0),
interactive=False,
database=db,
reset_sequences=False,
inhibit_post_migrate=True,
)
# Migrate!
if self.verbosity >= 1:
if db_dry_run:
self.stdout.write(self.style.MIGRATE_HEADING("Running migrations dry-run:"))
else:
self.stdout.write(self.style.MIGRATE_HEADING("Running migrations:"))
if not plan:
executor.check_replacements()
if self.verbosity >= 1:
self.stdout.write(" No migrations to apply.")
# If there's changes that aren't in migrations yet, tell them how to fix it.
autodetector = MigrationAutodetector(
executor.loader.project_state(),
ProjectState.from_apps(apps),
)
changes = autodetector.changes(graph=executor.loader.graph)
if changes:
self.stdout.write(self.style.NOTICE(
" Your models have changes that are not yet reflected "
"in a migration, and so won't be applied."
))
self.stdout.write(self.style.NOTICE(
" Run 'manage.py makemigrations' to make new "
"migrations, and then re-run 'manage.py migrate' to "
"apply them."
))
else:
fake = options.get("fake")
fake_initial = options.get("fake_initial")
if db_dry_run:
# Print the SQL without making changes if db_dry_run is set
sql_statements = executor.collect_sql(plan)
return '\n'.join(sql_statements)
else:
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
# Send the post_migrate signal, so individual apps can do whatever they need
# to do at this point.
emit_post_migrate_signal(created_models, self.verbosity, self.interactive, connection.alias)
# -*- coding: utf-8 -*-
def handle(self, *args, **options):
self.verbosity = options.get('verbosity')
self.interactive = options.get('interactive')
self.show_traceback = options.get('traceback')
self.load_initial_data = options.get('load_initial_data')
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_config in apps.get_app_configs():
if module_has_submodule(app_config.module, "management"):
import_module('.management', app_config.name)
# Get the database we're operating from
db = options.get('database')
connection = connections[db]
# If they asked for a migration listing, quit main execution flow and show it
if options.get("list", False):
warnings.warn(
"The 'migrate --list' command is deprecated. Use 'showmigrations' instead.",
RemovedInDjango110Warning,
stacklevel=2)
self.stdout.ending = None # Remove when #21429 is fixed
return call_command(
'showmigrations',
'--list',
app_labels=[options['app_label']]
if options['app_label'] else None,
database=db,
no_color=options.get('no_color'),
settings=options.get('settings'),
stdout=self.stdout,
traceback=self.show_traceback,
verbosity=self.verbosity,
)
# Hook for backends needing any database preparation
connection.prepare_database()
# Work out which apps have migrations and which do not
executor = MigrationExecutor(connection,
self.migration_progress_callback)
# Before anything else, see if there's conflicting apps and drop out
# hard if there are any
conflicts = executor.loader.detect_conflicts()
if conflicts:
name_str = "; ".join("%s in %s" % (", ".join(names), app)
for app, names in conflicts.items())
raise CommandError(
"Conflicting migrations detected (%s).\nTo fix them run "
"'python manage.py makemigrations --merge'" % name_str)
# If they supplied command line arguments, work out what they mean.
run_syncdb = False
target_app_labels_only = True
if options['app_label'] and options['migration_name']:
app_label, migration_name = options['app_label'], options[
'migration_name']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations (you cannot selectively "
"sync unmigrated apps)" % app_label)
if migration_name == "zero":
targets = [(app_label, None)]
else:
try:
migration = executor.loader.get_migration_by_prefix(
app_label, migration_name)
except AmbiguityError:
raise CommandError(
"More than one migration matches '%s' in app '%s'. "
"Please be more specific." %
(migration_name, app_label))
except KeyError:
raise CommandError(
"Cannot find a migration matching '%s' from app '%s'."
% (migration_name, app_label))
targets = [(app_label, migration.name)]
target_app_labels_only = False
elif options['app_label']:
app_label = options['app_label']
if app_label not in executor.loader.migrated_apps:
raise CommandError(
"App '%s' does not have migrations (you cannot selectively "
"sync unmigrated apps)" % app_label)
targets = [
key for key in executor.loader.graph.leaf_nodes()
if key[0] == app_label
]
else:
targets = executor.loader.graph.leaf_nodes()
run_syncdb = True
plan = executor.migration_plan(targets)
# Print some useful info
if self.verbosity >= 1:
self.stdout.write(
self.style.MIGRATE_HEADING("Operations to perform:"))
if run_syncdb and executor.loader.unmigrated_apps:
self.stdout.write(
self.style.MIGRATE_LABEL(" Synchronize unmigrated apps: ")
+ (", ".join(executor.loader.unmigrated_apps)))
if target_app_labels_only:
self.stdout.write(
self.style.MIGRATE_LABEL(" Apply all migrations: ") +
(", ".join(set(a for a, n in targets)) or "(none)"))
else:
if targets[0][1] is None:
self.stdout.write(
self.style.MIGRATE_LABEL(" Unapply all migrations: ")
+ "%s" % (targets[0][0], ))
else:
self.stdout.write(
self.style.MIGRATE_LABEL(
" Target specific migration: ") + "%s, from %s" %
(targets[0][1], targets[0][0]))
# Run the syncdb phase.
# If you ever manage to get rid of this, I owe you many, many drinks.
# Note that pre_migrate is called from inside here, as it needs
# the list of models about to be installed.
if run_syncdb and executor.loader.unmigrated_apps:
if self.verbosity >= 1:
self.stdout.write(
self.style.MIGRATE_HEADING(
"Synchronizing apps without migrations:"))
created_models = self.sync_apps(connection,
executor.loader.unmigrated_apps)
else:
created_models = []
emit_pre_migrate_signal([], self.verbosity, self.interactive,
connection.alias)
# The test runner requires us to flush after a syncdb but before migrations,
# so do that here.
if options.get("test_flush", False):
call_command(
'flush',
verbosity=max(self.verbosity - 1, 0),
interactive=False,
database=db,
reset_sequences=False,
inhibit_post_migrate=True,
)
# Migrate!
if self.verbosity >= 1:
self.stdout.write(
self.style.MIGRATE_HEADING("Running migrations:"))
if not plan:
executor.check_replacements()
if self.verbosity >= 1:
self.stdout.write(" No migrations to apply.")
# If there's changes that aren't in migrations yet, tell them how to fix it.
autodetector = MigrationAutodetector(
executor.loader.project_state(),
ProjectState.from_apps(apps),
)
changes = autodetector.changes(graph=executor.loader.graph)
if changes:
self.stdout.write(
self.style.NOTICE(
" Your models have changes that are not yet reflected "
"in a migration, and so won't be applied."))
self.stdout.write(
self.style.NOTICE(
" Run 'manage.py makemigrations' to make new "
"migrations, and then re-run 'manage.py migrate' to "
"apply them."))
else:
fake = options.get("fake")
fake_initial = options.get("fake_initial")
executor.migrate(targets,
plan,
fake=fake,
fake_initial=fake_initial)
# Send the post_migrate signal, so individual apps can do whatever they need
# to do at this point.
emit_post_migrate_signal(created_models, self.verbosity,
self.interactive, connection.alias)
