#!/usr/bin/python3
from cromosoma.webmodel import WebModel
from cromosoma import corefields
#servers.append({'hostname': 'beta.toolapps.es', 'os_codename': 'ubuntu_trusty', 'ip': '82.223.253.160', 'name': 'beta_toolapps_es'})
server=WebModel('server')
server.register(corefields.CharField('hostname'))
server.register(corefields.CharField('os_codename'))
server.register(corefields.CharField('ip'))
server.register(corefields.CharField('name'))
server.register(corefields.CharField('type'))
server.register(corefields.CharField('profile'))
server.register(corefields.BooleanField('status'))
server.fields['ip'].index=True
def start():
parser = argparse.ArgumentParser(description='A tool for create tables in databases using models from Cromosoma')
parser.add_argument('--model', help='Model python path', required=True)
parser.add_argument('--config', help='The config file', required=False)
args = parser.parse_args()
init()
#Import config
config_file='config'
if args.config!=None:
config_file=args.config
try:
config=import_module('settings.'+config_file)
except:
e = sys.exc_info()[0]
v = sys.exc_info()[1]
print(Fore.WHITE+Back.RED+Style.BRIGHT+"Config file not found: %s %s" % (e, v))
exit(1)
#print(WebModel.connections)
try:
model=import_module(args.model)
for name, obj in inspect.getmembers(sys.modules[model.__name__]):
if inspect.isclass(obj):
if obj.__module__==args.model:
WebModel.model[name.lower()]=obj()
#WebModel.modelobj
except:
"""
e = sys.exc_info()[0]
v = sys.exc_info()[1]
print(Fore.WHITE+Back.RED+Style.BRIGHT +"Error, file with model not found: %s %s" % (e, v))
"""
print("Exception in user code:")
print("-"*60)
traceback.print_exc(file=sys.stdout)
print("-"*60)
exit(1)
#load the table of databases
cursor=WebModel.query(WebModel, "show tables")
table_exists=[]
for row in cursor:
table=list(row.values())[0]
if table in WebModel.model:
table_exists.append(table)
#If don't want order
#set([1,2,3,4]) - set([2,5])
tables=list(WebModel.model.keys())
#Array diff ordered
new_tables=[x for x in tables if x not in table_exists]
#If don't want order
#new_tables=set(tables)-set(table_exists)
#Need order new_tables
changes=0
#Create new tables
if len(new_tables)>0:
print(Style.BRIGHT+"Creating new tables...")
changes+=1
for table in new_tables:
print(Style.NORMAL+"--Creating table "+table+"...")
WebModel.query(WebModel, WebModel.model[table].create_table())
print("--Adding indexes and constraints for the new table")
for k_field, index in WebModel.arr_sql_index[table].items():
print("---Added index to "+k_field)
WebModel.query(WebModel, index)
for k_set, index_set in WebModel.arr_sql_set_index[table].items():
if index_set!="":
WebModel.query(WebModel, index_set)
print("---Added constraint to "+k_set)
print("--Adding uniques elements for the new table")
#See if changes exists
#Check if created tables are modified.
try:
model_old=import_module('backups.'+args.model)
for name, obj in inspect.getmembers(sys.modules[model_old.__name__]):
if inspect.isclass(obj):
if obj.__module__=='backups.'+args.model:
WebModel.model['old_'+name.lower()]=obj()
print(Style.BRIGHT+"Checking old versions of model for find changes...")
for table in tables:
#WebModel.query(WebModel, "")
#Check if new table
#fields_to_add, fields_to_modify, fields_to_add_index, fields_to_add_constraint, fields_to_add_unique, fields_to_delete_index, fields_to_delete_unique, fields_to_delete_constraint, fields_to_delete
fields_to_add=[]
fields_to_modify=[]
fields_to_add_index=[]
fields_to_add_constraint=[]
fields_to_add_unique=[]
fields_to_delete_index=[]
fields_to_delete_unique=[]
fields_to_delete_constraint=[]
fields_to_delete=[]
old_table='old_'+table
for f, v in WebModel.model[table].fields.items():
if not f in WebModel.model[old_table].fields:
fields_to_add.append(f)
#Add index
if v.indexed==True:
fields_to_add_index.append(f)
changes+=1
#Add unique
if v.unique==True:
fields_to_add_unique.append(f)
changes+=1
#Add constraint
if v.foreignkey==True:
fields_to_add_constraint.append(f)
changes+=1
changes+=1
#If exists field in old webmodel and new
else:
v_old=WebModel.model[old_table].fields[f]
if v.get_type_sql()!=v_old.get_type_sql():
fields_to_modify.append(f)
changes+=1
#Add index
if v.indexed==True and v_old.indexed==False:
fields_to_add_index.append(f)
changes+=1
if v.indexed==False and v_old.indexed==True:
fields_to_delete_index.append(f)
changes+=1
#Add unique
if v.unique==True and v_old.unique==False:
fields_to_add_unique.append(f)
changes+=1
if v.unique==False and v_old.unique==True:
fields_to_delete_unique.append(f)
changes+=1
#Add constraint
if v.foreignkey==True and v_old.foreignkey==False:
fields_to_add_constraint.append(f)
changes+=1
if v.foreignkey==False and v_old.foreignkey==True:
fields_to_delete_constraint.append(f)
changes+=1
for f, v in WebModel.model[old_table].fields.items():
if not f in WebModel.model[table].fields:
#Add constraint
if v.foreignkey==True:
fields_to_delete_constraint.append(f)
changes+=1
fields_to_delete.append(f)
changes+=1
WebModel.model[table].update_table(fields_to_add, fields_to_modify, fields_to_add_index, fields_to_add_constraint, fields_to_add_unique, fields_to_delete_index, fields_to_delete_unique, fields_to_delete_constraint, fields_to_delete)
#for field_update in arr_update:
#Make a for in fields, if the field not exist in old model, create, if is not same type, recreate. If no have index now, delete index, if is a new index, create, same thing with uniques
#for field in WebModel.model
except ImportError:
pass
except:
print("Exception in user code:")
print("-"*60)
traceback.print_exc(file=sys.stdout)
print("-"*60)
exit(1)
original_file_path=args.model.replace('.', '/')+'.py'
backup_path='backups/'+original_file_path
if changes>0:
print(Style.BRIGHT+"Creating backup of the model. WARNING: DON'T DELETE BACKUPS DIRECTORY IF YOU WANT MAKE CHANGES IN THE FUTURE WITHOUT MODIFY DIRECTLY THE DATABASE")
create_backup(original_file_path, backup_path)
else:
if not os.path.isfile(backup_path):
create_backup(original_file_path, backup_path)
print(Style.BRIGHT+"All tasks finished")
