def evolvediff(app, interactive=True, do_save=False, verbose=False, managed_upgrade_only=False): from django.db import connection cursor = connection.cursor() style = color.no_style() return show_evolution_plan(cursor, app, style)
def modeltest(app_name, use_aka=True): if not app_name: raise Exception("No test name given") if not os.path.exists('settings.py'): raise Exception('Oops... file settings.py does not exist! Please copy your settings there!') from django.conf import settings from django.db.models.loading import get_apps, get_app from deseb.schema_evolution import evolvediff from django.core.management.color import no_style from deseb.actions import get_introspected_evolution_options from django.core.management.sql import sql_create, sql_indexes from django.db.transaction import commit_on_success from django.db import connection from deseb.actions import get_schemas, show_evolution_plan if DEBUG: print "Test %s" % app_name #reset on post state and pre state from deseb import add_aka_support if use_aka: add_aka_support() style = no_style() settings.INSTALLED_APPS = tuple(list(settings.INSTALLED_APPS[:5]) + [app_name]) write_file(app_name+"/models.py", '') # re-init models.py write_file(app_name+"/errdiff.%s.actual" % settings.DATABASE_ENGINE, "") write_file(app_name+"/errors.%s.actual" % settings.DATABASE_ENGINE, "") get_apps() drop_all_tables() reload_models(app_name, 'pre') app = get_app(app_name) create = sql_create(app, style) + sql_indexes(app, style) write_file(app_name+"/init.%s.actual" % settings.DATABASE_ENGINE, create) #FIXME: compare to init.correct later instead of copying write_file(app_name+"/init.%s.planned" % settings.DATABASE_ENGINE, create) reset = sql_create(app, style) #print 'SQL:', '\n'.join(reset) commit_on_success(run_sql)(reset) reset_idx = sql_indexes(app, style) run_sql(reset_idx) reload_models(app_name, 'post') if use_aka: from deseb.storage import update_with_aka, save_renames update_with_aka(app_name) save_renames(app_name) cursor = connection.cursor() db_schema, model_schema = get_schemas(cursor, app, style) diff = show_evolution_plan(cursor, app, style, db_schema, model_schema) write_file(app_name+"/diff.%s.actual" % settings.DATABASE_ENGINE, diff) #FIXME: compare to diff.correct later instead of copying write_file(app_name+"/diff.%s.planned" % settings.DATABASE_ENGINE, diff) actions = get_introspected_evolution_options(app, style, db_schema, model_schema) write_file(app_name+"/actions.%s.actual" % settings.DATABASE_ENGINE, actions) #FIXME: compare to diff.correct later instead of copying write_file(app_name+"/actions.%s.planned" % settings.DATABASE_ENGINE, actions) try: commit_on_success(run_sql)(actions) except: #print 'changes rolled back' from django.db import transaction transaction.rollback() raise #else: #print 'changes committed' cursor = connection.cursor() db_schema, model_schema = get_schemas(cursor, app, style, model_schema=model_schema) # due to sqlite3/pysqlite bug, caused deferred index creation, we reget db schema. # this is f*****g weird, but i've no any explanation, why getting indxes # doesn't work correctly first time db_schema, model_schema = get_schemas(cursor, app, style, model_schema=model_schema) diff = show_evolution_plan(cursor, app, style, db_schema, model_schema) write_file(app_name+"/errdiff.%s.actual" % settings.DATABASE_ENGINE, diff) diff1 = diff.split('\n',1)[1] if diff1: print "Errors:" print diff1 try: actions, db_schema, model_schema = get_introspected_evolution_options(app, style, db_schema, model_schema) except Exception: actions = ['Was unable to generate error diff SQL commands'] write_file(app_name+"/errors.%s.actual" % settings.DATABASE_ENGINE, actions) #FIXME: compare to diff.correct later instead of copying #write_file(app_name+"/errors.%s.planned" % settings.DATABASE_ENGINE, actions) return diff1