def __init__(self):
self.config = Config()
self.fs_store = FsSotre()
self.company_id = os.environ.get('MINDSDB_COMPANY_ID', None)
self.dir = self.config.paths['datasources']
self.mindsdb_native = NativeInterface()
def __init__(self, config):
self.config = config
self.dbw = DatabaseWrapper(self.config)
self.storage_dir = os.path.join(config['storage_dir'], 'misc')
os.makedirs(self.storage_dir, exist_ok=True)
self.model_cache = {}
self.mindsdb_native = NativeInterface(self.config)
self.dbw = DatabaseWrapper(self.config)
def __init__(self):
self.config = Config()
self.fs_store = FsSotre()
self.company_id = os.environ.get('MINDSDB_COMPANY_ID', None)
self.dbw = DatabaseWrapper()
self.storage_dir = self.config['paths']['custom_models']
os.makedirs(self.storage_dir, exist_ok=True)
self.model_cache = {}
self.mindsdb_native = NativeInterface()
self.dbw = DatabaseWrapper()
def initialize_interfaces(app):
app.default_store = DataStore()
app.mindsdb_native = NativeInterface()
app.custom_models = CustomModels()
app.dbw = DatabaseWrapper()
config = Config()
app.config_obj = config
def run_environment(config,
apis=['mysql'],
override_integration_config={},
override_api_config={},
mindsdb_database='mindsdb',
clear_storage=True):
temp_config_path = prepare_config(config, mindsdb_database,
override_integration_config,
override_api_config, clear_storage)
config = Config(temp_config_path)
api_str = ','.join(apis)
sp = subprocess.Popen([
'python3', '-m', 'mindsdb', '--api', api_str, '--config',
temp_config_path, '--verbose'
],
close_fds=True,
stdout=OUTPUT,
stderr=OUTPUT)
atexit.register(stop_mindsdb, sp=sp)
async def wait_port_async(port, timeout):
start_time = time.time()
started = is_port_in_use(port)
while (time.time() - start_time) < timeout and started is False:
await asyncio.sleep(1)
started = is_port_in_use(port)
return started
async def wait_apis_start(ports):
futures = [wait_port_async(port, 60) for port in ports]
success = True
for i, future in enumerate(asyncio.as_completed(futures)):
success = success and await future
return success
ports_to_wait = [config['api'][api]['port'] for api in apis]
ioloop = asyncio.get_event_loop()
if ioloop.is_closed():
ioloop = asyncio.new_event_loop()
success = ioloop.run_until_complete(wait_apis_start(ports_to_wait))
ioloop.close()
if not success:
raise Exception('Cant start mindsdb apis')
CONFIG.MINDSDB_STORAGE_PATH = config.paths['predictors']
mdb = NativeInterface(config)
datastore = DataStore(config)
return mdb, datastore
def __init__(self, config):
mongodb_config = config['api'].get('mongodb')
assert mongodb_config is not None, 'is no mongodb config!'
host = mongodb_config['host']
port = mongodb_config['port']
log.debug(f'start mongo server on {host}:{port}')
super().__init__((host, int(port)), MongoRequestHandler)
self.mindsdb_env = {
'config': config,
'data_store': DataStore(),
'mindsdb_native': NativeInterface()
}
respondersCollection = RespondersCollection()
opQueryResponder = OpQueryResponder(respondersCollection)
opMsgResponder = OpMsgResponder(respondersCollection)
opInsertResponder = OpInsertResponder(respondersCollection)
self.operationsHandlersMap = {
OP_QUERY: opQueryResponder,
OP_MSG: opMsgResponder,
OP_INSERT: opInsertResponder
}
respondersCollection.add(when={'drop': 'system.sessions'},
result={'ok': 1})
respondersCollection.add(when={'update': 'system.version'},
result={'ok': 1})
respondersCollection.add(
when={'setFeatureCompatibilityVersion': helpers.is_true},
result={'ok': 1})
# OpMSG=OrderedDict([('features', 1), ('$clusterTime', OrderedDict([('clusterTime', Timestamp(1599748325, 1)), ('signature', OrderedDict([('hash', b'\xb8\xc3\x03\x18\xca\xe6bh\xf0\xcb47,\x924\x8a >\xfc\x91'), ('keyId', 6870854312365391875)]))])), ('$configServerState', OrderedDict([('opTime', OrderedDict([('ts', Timestamp(1599748325, 1)), ('t', 1)]))])), ('$db', 'admin')])
respondersCollection.add(when={'features': helpers.is_true},
result={'ok': 1})
# OpMSG=OrderedDict([('serverStatus', 1), ('$clusterTime', OrderedDict([('clusterTime', Timestamp(1599748366, 1)), ('signature', OrderedDict([('hash', b'\xa1E}\xbbIU\xc2D\x95++\x82\x88\xb5\x84\xf5\xda)+B'), ('keyId', 6870854312365391875)]))])), ('$configServerState', OrderedDict([('opTime', OrderedDict([('ts', Timestamp(1599748366, 1)), ('t', 1)]))])), ('$db', 'admin')])
respondersCollection.add(when={'serverStatus': helpers.is_true},
result={'ok': 1})
# OpMSG=OrderedDict([('ismaster', 1), ('$db', 'admin'), ('$clusterTime', OrderedDict([('clusterTime', Timestamp(1599749031, 1)), ('signature', OrderedDict([('hash', b'6\x87\xd5Y\xa7\xc7\xcf$\xab\x1e\xa2{\xe5B\xe5\x99\xdbl\x8d\xf4'), ('keyId', 6870854312365391875)]))])), ('$client', OrderedDict([('application', OrderedDict([('name', 'MongoDB Shell')])), ('driver', OrderedDict([('name', 'MongoDB Internal Client'), ('version', '3.6.3')])), ('os', OrderedDict([('type', 'Linux'), ('name', 'Ubuntu'), ('architecture', 'x86_64'), ('version', '18.04')])), ('mongos', OrderedDict([('host', 'maxs-comp:27103'), ('client', '127.0.0.1:52148'), ('version', '3.6.3')]))])), ('$configServerState', OrderedDict([('opTime', OrderedDict([('ts', Timestamp(1599749031, 1)), ('t', 1)]))]))])
respondersCollection.responders += responders
def __init__(self, config):
self.config = config
self.mindsdb_native = NativeInterface(config)
self.custom_models = CustomModels(config)
class MindsDBDataNode(DataNode):
type = 'mindsdb'
def __init__(self, config):
self.config = config
self.mindsdb_native = NativeInterface(config)
self.custom_models = CustomModels(config)
def getTables(self):
models = self.mindsdb_native.get_models()
models = [x['name'] for x in models if x['status'] == 'complete']
models += ['predictors', 'commands']
models += [x['name'] for x in self.custom_models.get_models()]
return models
def hasTable(self, table):
return table in self.getTables()
def getTableColumns(self, table):
try:
columns = self.custom_models.get_model_data(
table)['data_analysis_v2']['columns']
columns += [
'external_datasource', 'select_data_query', 'when_data'
]
return columns
except Exception:
pass
if table == 'predictors':
return [
'name', 'status', 'accuracy', 'predict', 'select_data_query',
'external_datasource', 'training_options'
]
if table == 'commands':
return ['command']
model = self.mindsdb_native.get_model_data(name=table)
columns = []
columns += model['data_analysis_v2']['columns']
columns += [f'{x}_original' for x in model['predict']]
for col in model['predict']:
if model['data_analysis_v2'][col]['typing'][
'data_type'] == 'Numeric':
columns += [f"{col}_min", f"{col}_max"]
columns += [f"{col}_confidence"]
columns += [f"{col}_explain"]
# TODO this should be added just for clickhouse queries
columns += ['when_data', 'select_data_query', 'external_datasource']
return columns
def _select_predictors(self):
models = self.mindsdb_native.get_models()
# TODO add custom models
return [
{
'name': x['name'],
'status': x['status'],
'accuracy':
str(x['accuracy']) if x['accuracy'] is not None else None,
'predict': ', '.join(x['predict']),
'select_data_query': '',
'external_datasource': '', # TODO
'training_options': '' # TODO ?
} for x in models
]
def delete_predictor(self, name):
self.mindsdb_native.delete_model(name)
def select(self,
table,
columns=None,
where=None,
where_data=None,
order_by=None,
group_by=None,
came_from=None):
''' NOTE WHERE statements can be just $eq joined with 'and'
'''
if table == 'predictors':
return self._select_predictors()
if table == 'commands':
return []
original_when_data = None
if 'when_data' in where:
if len(where) > 1:
raise ValueError(
"Should not be used any other keys in 'where', if 'when_data' used"
)
try:
original_when_data = where['when_data']['$eq']
where_data = json.loads(where['when_data']['$eq'])
if isinstance(where_data, list) is False:
where_data = [where_data]
except Exception:
raise ValueError(
f'''Error while parse 'when_data'="{where_data}"''')
external_datasource = None
if 'external_datasource' in where:
external_datasource = where['external_datasource']['$eq']
del where['external_datasource']
select_data_query = None
if came_from is not None and 'select_data_query' in where:
select_data_query = where['select_data_query']['$eq']
del where['select_data_query']
dbtype = self.config['integrations'][came_from]['type']
if dbtype == 'clickhouse':
ch = Clickhouse(self.config, came_from)
res = ch._query(
select_data_query.strip(' ;\n') + ' FORMAT JSON')
data = res.json()['data']
elif dbtype == 'mariadb':
maria = Mariadb(self.config, came_from)
data = maria._query(select_data_query)
elif dbtype == 'mysql':
mysql = MySQL(self.config, came_from)
data = mysql._query(select_data_query)
elif dbtype == 'postgres':
mysql = PostgreSQL(self.config, came_from)
data = mysql._query(select_data_query)
elif dbtype == 'mssql':
mssql = MSSQL(self.config, came_from)
data = mssql._query(select_data_query, fetch=True)
else:
raise Exception(f'Unknown database type: {dbtype}')
if where_data is None:
where_data = data
else:
where_data += data
new_where = {}
if where_data is not None:
where_data = pandas.DataFrame(where_data)
else:
for key, value in where.items():
if isinstance(value, dict) is False or len(
value.keys()) != 1 or list(value.keys())[0] != '$eq':
# TODO value should be just string or number
raise Exception()
new_where[key] = value['$eq']
if len(new_where) == 0:
return []
where_data = [new_where]
try:
model = self.custom_models.get_model_data(name=table)
except Exception:
model = self.mindsdb_native.get_model_data(name=table)
predicted_columns = model['predict']
original_target_values = {}
for col in predicted_columns:
if where_data is not None:
if col in where_data:
original_target_values[col + '_original'] = list(
where_data[col])
else:
original_target_values[col +
'_original'] = [None
] * len(where_data)
else:
original_target_values[col + '_original'] = [None]
if table in [x['name'] for x in self.custom_models.get_models()]:
res = self.custom_models.predict(name=table, when_data=where_data)
data = []
fields = model['data_analysis_v2']['columns']
for i, ele in enumerate(res):
row = {}
row['select_data_query'] = select_data_query
row['external_datasource'] = external_datasource
row['when_data'] = original_when_data
for key in ele:
row[key] = ele[key]['predicted_value']
# FIXME prefer get int from mindsdb_native in this case
if model['data_analysis_v2'][key]['typing'][
'data_subtype'] == 'Int':
row[key] = int(row[key])
for k in fields:
if k not in ele:
if isinstance(where_data, list):
if k in where_data[i]:
row[k] = where_data[i][k]
else:
row[k] = None
elif k in where_data.columns:
row[k] = where_data[k].iloc[i]
else:
row[k] = None
for k in original_target_values:
row[k] = original_target_values[k][i]
data.append(row)
field_types = {
f: model['data_analysis_v2'][f]['typing']['data_subtype']
for f in fields if 'typing' in model['data_analysis_v2'][f]
}
for row in data:
cast_row_types(row, field_types)
return data
else:
res = self.mindsdb_native.predict(name=table, when_data=where_data)
keys = [x for x in list(res._data.keys()) if x in columns]
min_max_keys = []
for col in predicted_columns:
if model['data_analysis_v2'][col]['typing'][
'data_type'] == 'Numeric':
min_max_keys.append(col)
data = []
explains = []
for i, el in enumerate(res):
data.append({key: el[key] for key in keys})
explains.append(el.explain())
field_types = {
f: model['data_analysis_v2'][f]['typing']['data_subtype']
for f in model['data_analysis_v2']['columns']
if 'typing' in model['data_analysis_v2'][f]
}
for row in data:
cast_row_types(row, field_types)
row['select_data_query'] = select_data_query
row['external_datasource'] = external_datasource
row['when_data'] = original_when_data
for k in original_target_values:
row[k] = original_target_values[k][i]
explanation = explains[i]
for key in predicted_columns:
row[key + '_confidence'] = explanation[key]['confidence']
row[key + '_explain'] = json.dumps(explanation[key],
cls=NumpyJSONEncoder)
for key in min_max_keys:
row[key + '_min'] = min(
explanation[key]['confidence_interval'])
row[key + '_max'] = max(
explanation[key]['confidence_interval'])
return data
class DataStore():
def __init__(self):
self.config = Config()
self.fs_store = FsSotre()
self.company_id = os.environ.get('MINDSDB_COMPANY_ID', None)
self.dir = self.config.paths['datasources']
self.mindsdb_native = NativeInterface()
def get_analysis(self, name):
datasource_record = session.query(Datasource).filter_by(
company_id=self.company_id, name=name).first()
if datasource_record.analysis is None:
datasource_record.analysis = json.dumps(
self.mindsdb_native.analyse_dataset(
self.get_datasource_obj(name)))
session.commit()
analysis = json.loads(datasource_record.analysis)
return analysis
def get_datasources(self, name=None):
datasource_arr = []
if name is not None:
datasource_record_arr = session.query(Datasource).filter_by(
company_id=self.company_id, name=name)
else:
datasource_record_arr = session.query(Datasource).filter_by(
company_id=self.company_id)
for datasource_record in datasource_record_arr:
try:
datasource = json.loads(datasource_record.data)
datasource['created_at'] = datasource_record.created_at
datasource['updated_at'] = datasource_record.updated_at
datasource['name'] = datasource_record.name
datasource['id'] = datasource_record.id
datasource_arr.append(datasource)
except Exception as e:
log.error(e)
return datasource_arr
def get_data(self, name, where=None, limit=None, offset=None):
offset = 0 if offset is None else offset
ds = self.get_datasource_obj(name)
if limit is not None:
# @TODO Add `offset` to the `filter` method of the datasource and get rid of `offset`
filtered_ds = ds.filter(where=where,
limit=limit + offset).iloc[offset:]
else:
filtered_ds = ds.filter(where=where)
filtered_ds = filtered_ds.where(pd.notnull(filtered_ds), None)
data = filtered_ds.to_dict(orient='records')
return {
'data': data,
'rowcount': len(ds),
'columns_names': filtered_ds.columns
}
def get_datasource(self, name):
datasource_arr = self.get_datasources(name)
if len(datasource_arr) == 1:
return datasource_arr[0]
# @TODO: Remove when db swithc is more stable, this should never happen, but good santiy check while this is kinda buggy
elif len(datasource_arr) > 1:
log.error('Two or more datasource with the same name, (',
len(datasource_arr), ') | Full list: ', datasource_arr)
raise Exception('Two or more datasource with the same name')
return None
def delete_datasource(self, name):
datasource_record = Datasource.query.filter_by(
company_id=self.company_id, name=name).first()
id = datasource_record.id
session.delete(datasource_record)
session.commit()
self.fs_store.delete(
f'datasource_{self.company_id}_{datasource_record.id}')
try:
shutil.rmtree(os.path.join(self.dir, name))
except Exception:
pass
def save_datasource(self, name, source_type, source, file_path=None):
datasource_record = Datasource(company_id=self.company_id, name=name)
if source_type == 'file' and (file_path is None):
raise Exception(
'`file_path` argument required when source_type == "file"')
ds_meta_dir = os.path.join(self.dir, name)
os.mkdir(ds_meta_dir)
session.add(datasource_record)
session.commit()
datasource_record = session.query(Datasource).filter_by(
company_id=self.company_id, name=name).first()
try:
if source_type == 'file':
source = os.path.join(ds_meta_dir, source)
shutil.move(file_path, source)
ds = FileDS(source)
creation_info = {
'class': 'FileDS',
'args': [source],
'kwargs': {}
}
elif source_type in self.config['integrations']:
integration = self.config['integrations'][source_type]
ds_class_map = {
'clickhouse': ClickhouseDS,
'mariadb': MariaDS,
'mysql': MySqlDS,
'postgres': PostgresDS,
'mssql': MSSQLDS,
'mongodb': MongoDS,
'snowflake': SnowflakeDS
}
try:
dsClass = ds_class_map[integration['type']]
except KeyError:
raise KeyError(
f"Unknown DS type: {source_type}, type is {integration['type']}"
)
if integration['type'] in ['clickhouse']:
creation_info = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'query': source['query'],
'user': integration['user'],
'password': integration['password'],
'host': integration['host'],
'port': integration['port']
}
}
ds = dsClass(**creation_info['kwargs'])
elif integration['type'] in [
'mssql', 'postgres', 'mariadb', 'mysql'
]:
creation_info = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'query': source['query'],
'user': integration['user'],
'password': integration['password'],
'host': integration['host'],
'port': integration['port']
}
}
if 'database' in integration:
creation_info['kwargs']['database'] = integration[
'database']
if 'database' in source:
creation_info['kwargs']['database'] = source[
'database']
ds = dsClass(**creation_info['kwargs'])
elif integration['type'] == 'snowflake':
creation_info = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'query': source['query'],
'schema': source['schema'],
'warehouse': source['warehouse'],
'database': source['database'],
'host': integration['host'],
'password': integration['password'],
'user': integration['user'],
'account': integration['account']
}
}
ds = dsClass(**creation_info['kwargs'])
elif integration['type'] == 'mongodb':
if isinstance(source['find'], str):
source['find'] = json.loads(source['find'])
creation_info = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'database': source['database'],
'collection': source['collection'],
'query': source['find'],
'user': integration['user'],
'password': integration['password'],
'host': integration['host'],
'port': integration['port']
}
}
ds = dsClass(**creation_info['kwargs'])
else:
# This probably only happens for urls
ds = FileDS(source)
creation_info = {
'class': 'FileDS',
'args': [source],
'kwargs': {}
}
df = ds.df
if '' in df.columns or len(df.columns) != len(set(df.columns)):
shutil.rmtree(ds_meta_dir)
raise Exception(
'Each column in datasource must have unique non-empty name'
)
datasource_record.creation_info = json.dumps(creation_info)
datasource_record.data = json.dumps({
'source_type':
source_type,
'source':
source,
'row_count':
len(df),
'columns': [dict(name=x) for x in list(df.keys())]
})
self.fs_store.put(
name, f'datasource_{self.company_id}_{datasource_record.id}',
self.dir)
except Exception:
if os.path.isdir(ds_meta_dir):
shutil.rmtree(ds_meta_dir)
raise
session.commit()
return self.get_datasource_obj(name, raw=True), name
def get_datasource_obj(self, name, raw=False):
try:
datasource_record = session.query(Datasource).filter_by(
company_id=self.company_id, name=name).first()
self.fs_store.get(
name, f'datasource_{self.company_id}_{datasource_record.id}',
self.dir)
creation_info = json.loads(datasource_record.creation_info)
if raw:
return creation_info
else:
return eval(creation_info['class'])(*creation_info['args'],
**creation_info['kwargs'])
except Exception as e:
log.error(f'\n{e}\n')
return None
def __init__(self, config):
self.config = Config()
self.mindsdb_native = NativeInterface()
self.custom_models = CustomModels()
self.ai_table = AITable_store()
self.default_store = DataStore()
for api_name in apis.keys():
if api_name not in config['api']:
print(
f"Trying run '{api_name}' API, but is no config for this api.")
print(f"Please, fill config['api']['{api_name}']")
sys.exit(0)
start_functions = {
'http': start_http,
'mysql': start_mysql,
'mongodb': start_mongo
}
archive_obsolete_predictors(config, '2.11.0')
mdb = NativeInterface(config)
cst = CustomModels(config)
remove_corrupted_predictors(config, mdb)
model_data_arr = get_all_models_meta_data(mdb, cst)
dbw = DatabaseWrapper(config)
for db_alias in config['integrations']:
dbw.setup_integration(db_alias)
dbw.register_predictors(model_data_arr)
for broken_name in [
name for name, connected in dbw.check_connections().items()
if connected is False
]:
class CustomModels():
def __init__(self):
self.config = Config()
self.fs_store = FsSotre()
self.company_id = os.environ.get('MINDSDB_COMPANY_ID', None)
self.dbw = DatabaseWrapper()
self.storage_dir = self.config['paths']['custom_models']
os.makedirs(self.storage_dir, exist_ok=True)
self.model_cache = {}
self.mindsdb_native = NativeInterface()
self.dbw = DatabaseWrapper()
def _dir(self, name):
return str(os.path.join(self.storage_dir, name))
def _internal_load(self, name):
self.fs_store.get(name, f'custom_model_{self.company_id}_{name}',
self.storage_dir)
sys.path.insert(0, self._dir(name))
module = __import__(name)
try:
model = module.Model.load(
os.path.join(self._dir(name), 'model.pickle'))
except Exception as e:
model = module.Model()
model.initialize_column_types()
if hasattr(model, 'setup'):
model.setup()
self.model_cache[name] = model
return model
def learn(self, name, from_data, to_predict, datasource_id, kwargs={}):
model_data = self.get_model_data(name)
model_data['status'] = 'training'
self.save_model_data(name, model_data)
to_predict = to_predict if isinstance(to_predict,
list) else [to_predict]
data_source = getattr(mindsdb_native,
from_data['class'])(*from_data['args'],
**from_data['kwargs'])
data_frame = data_source.df
model = self._internal_load(name)
model.to_predict = to_predict
model_data = self.get_model_data(name)
model_data['predict'] = model.to_predict
self.save_model_data(name, model_data)
data_analysis = self.mindsdb_native.analyse_dataset(
data_source)['data_analysis_v2']
model_data = self.get_model_data(name)
model_data['data_analysis_v2'] = data_analysis
self.save_model_data(name, model_data)
model.fit(data_frame, to_predict, data_analysis, kwargs)
model.save(os.path.join(self._dir(name), 'model.pickle'))
self.model_cache[name] = model
model_data = self.get_model_data(name)
model_data['status'] = 'completed'
model_data['columns'] = list(data_analysis.keys())
self.save_model_data(name, model_data)
self.fs_store.put(name, f'custom_model_{self.company_id}_{name}',
self.storage_dir)
self.dbw.unregister_predictor(name)
self.dbw.register_predictors([self.get_model_data(name)])
def predict(self, name, when_data=None, from_data=None, kwargs=None):
self.fs_store.get(name, f'custom_model_{self.company_id}_{name}',
self.storage_dir)
if kwargs is None:
kwargs = {}
if from_data is not None:
if isinstance(from_data, dict):
data_source = getattr(mindsdb_native, from_data['class'])(
*from_data['args'], **from_data['kwargs'])
# assume that particular instance of any DataSource class is provided
else:
data_source = from_data
data_frame = data_source.df
elif when_data is not None:
if isinstance(when_data, dict):
for k in when_data:
when_data[k] = [when_data[k]]
data_frame = pd.DataFrame(when_data)
else:
data_frame = pd.DataFrame(when_data)
model = self._internal_load(name)
predictions = model.predict(data_frame, kwargs)
pred_arr = []
for i in range(len(predictions)):
pred_arr.append({})
pred_arr[-1] = {}
for col in predictions.columns:
pred_arr[-1][col] = {}
pred_arr[-1][col]['predicted_value'] = predictions[col].iloc[i]
return pred_arr
def get_model_data(self, name):
predictor_record = Predictor.query.filter_by(
company_id=self.company_id, name=name, is_custom=True).first()
return predictor_record.data
def save_model_data(self, name, data):
predictor_record = Predictor.query.filter_by(
company_id=self.company_id, name=name, is_custom=True).first()
if predictor_record is None:
predictor_record = Predictor(company_id=self.company_id,
name=name,
is_custom=True,
data=data)
session.add(predictor_record)
else:
predictor_record.data = data
session.commit()
def get_models(self):
predictor_names = [
x.name
for x in Predictor.query.filter_by(company_id=self.company_id,
is_custom=True)
]
models = []
for name in predictor_names:
models.append(self.get_model_data(name))
return models
def delete_model(self, name):
Predictor.query.filter_by(company_id=self.company_id,
name=name,
is_custom=True).delete()
session.commit()
shutil.rmtree(self._dir(name))
self.dbw.unregister_predictor(name)
self.fs_store.delete(f'custom_model_{self.company_id}_{name}')
def rename_model(self, name, new_name):
self.fs_store.get(name, f'custom_model_{self.company_id}_{name}',
self.storage_dir)
self.dbw.unregister_predictor(name)
shutil.move(self._dir(name), self._dir(new_name))
shutil.move(os.path.join(self._dir(new_name) + f'{name}.py'),
os.path.join(self._dir(new_name), f'{new_name}.py'))
predictor_record = Predictor.query.filter_by(
company_id=self.company_id, name=name, is_custom=True).first()
predictor_record.name = new_name
session.commit()
self.dbw.register_predictors([self.get_model_data(new_name)])
self.fs_store.put(name, f'custom_model_{self.company_id}_{new_name}',
self.storage_dir)
self.fs_store.delete(f'custom_model_{self.company_id}_{name}')
def export_model(self, name):
shutil.make_archive(base_name=name,
format='zip',
root_dir=self._dir(name))
return str(self._dir(name)) + '.zip'
def load_model(self, fpath, name, trained_status):
shutil.unpack_archive(fpath, self._dir(name), 'zip')
shutil.move(os.path.join(self._dir(name), 'model.py'),
os.path.join(self._dir(name), f'{name}.py'))
model = self._internal_load(name)
model.to_predict = model.to_predict if isinstance(
model.to_predict, list) else [model.to_predict]
self.save_model_data(
name, {
'name': name,
'data_analysis_v2': model.column_type_map,
'predict': model.to_predict,
'status': trained_status,
'is_custom': True,
'columns': list(model.column_type_map.keys())
})
with open(os.path.join(self._dir(name), '__init__.py'), 'w') as fp:
fp.write('')
self.fs_store.put(name, f'custom_model_{self.company_id}_{name}',
self.storage_dir)
if trained_status == 'trained':
self.dbw.register_predictors([self.get_model_data(name)])
} for api in api_arr
}
for api_name in apis.keys():
if api_name not in config['api']:
print(f"Trying run '{api_name}' API, but is no config for this api.")
print(f"Please, fill config['api']['{api_name}']")
sys.exit(0)
start_functions = {
'http': start_http,
'mysql': start_mysql,
'mongodb': start_mongo
}
mdb = NativeInterface()
cst = CustomModels()
model_data_arr = get_all_models_meta_data(mdb, cst)
dbw = DatabaseWrapper()
for db_alias in config['integrations']:
dbw.setup_integration(db_alias)
dbw.register_predictors(model_data_arr)
for broken_name in [name for name, connected in dbw.check_connections().items() if connected is False]:
log.error(f'Error failed to integrate with database aliased: {broken_name}')
ctx = mp.get_context('spawn')
# Switch to this once the native interface has it's own thread :/
# ctx = mp.get_context(get_mp_context())
class CustomModels():
def __init__(self, config):
self.config = config
self.dbw = DatabaseWrapper(self.config)
self.storage_dir = os.path.join(config['storage_dir'], 'misc')
os.makedirs(self.storage_dir, exist_ok=True)
self.model_cache = {}
self.mindsdb_native = NativeInterface(self.config)
self.dbw = DatabaseWrapper(self.config)
def _dir(self, name):
return str(os.path.join(self.storage_dir, 'custom_model_' + name))
def _internal_load(self, name):
# Caching (2 lines bellow), currently disabled due to multiprocessing cache invalidation issues
#if name in self.model_cache:
# return self.model_cache[name]
# "Proper" model loading (3 lines bellow), currently disabled due to pickling issues
#spec = importlib.util.spec_from_file_location(name, self._dir(name) + '/model.py')
#module = importlib.util.module_from_spec(spec)
#spec.loader.exec_module(module)
sys.path.insert(0, self._dir(name))
module = __import__(name)
try:
model = module.Model.load(
os.path.join(self._dir(name), 'model.pickle'))
except Exception as e:
model = module.Model()
model.initialize_column_types()
if hasattr(model, 'setup'):
model.setup()
self.model_cache[name] = model
return model
def learn(self, name, from_data, to_predict, kwargs={}):
model_data = self.get_model_data(name)
model_data['status'] = 'training'
self.save_model_data(name, model_data)
to_predict = to_predict if isinstance(to_predict,
list) else [to_predict]
data_source = getattr(mindsdb_native,
from_data['class'])(*from_data['args'],
**from_data['kwargs'])
data_frame = data_source.df
model = self._internal_load(name)
model.to_predict = to_predict
model_data = self.get_model_data(name)
model_data['predict'] = model.to_predict
self.save_model_data(name, model_data)
data_analysis = self.mindsdb_native.analyse_dataset(
data_source)['data_analysis_v2']
model_data = self.get_model_data(name)
model_data['data_analysis_v2'] = data_analysis
self.save_model_data(name, model_data)
model.fit(data_frame, to_predict, data_analysis, kwargs)
model.save(os.path.join(self._dir(name), 'model.pickle'))
self.model_cache[name] = model
model_data = self.get_model_data(name)
model_data['status'] = 'completed'
self.save_model_data(name, model_data)
self.dbw.unregister_predictor(name)
self.dbw.register_predictors([self.get_model_data(name)])
def predict(self, name, when_data=None, from_data=None, kwargs=None):
if kwargs is None:
kwargs = {}
if from_data is not None:
if isinstance(from_data, dict):
data_source = getattr(mindsdb_native, from_data['class'])(
*from_data['args'], **from_data['kwargs'])
# assume that particular instance of any DataSource class is provided
else:
data_source = from_data
data_frame = data_source.df
elif when_data is not None:
if isinstance(when_data, dict):
for k in when_data:
when_data[k] = [when_data[k]]
data_frame = pd.DataFrame(when_data)
else:
data_frame = pd.DataFrame(when_data)
model = self._internal_load(name)
predictions = model.predict(data_frame, kwargs)
pred_arr = []
for i in range(len(predictions)):
pred_arr.append({})
pred_arr[-1] = {}
for col in predictions.columns:
pred_arr[-1][col] = {}
pred_arr[-1][col]['predicted_value'] = predictions[col].iloc[i]
return pred_arr
def get_model_data(self, name):
with open(os.path.join(self._dir(name), 'metadata.json'), 'r') as fp:
return json.load(fp)
def save_model_data(self, name, data):
with open(os.path.join(self._dir(name), 'metadata.json'), 'w') as fp:
json.dump(data, fp)
def get_models(self):
models = []
for model_dir in os.listdir(self.storage_dir):
if 'custom_model_' in model_dir:
name = model_dir.replace('custom_model_', '')
try:
models.append(self.get_model_data(name))
except:
print(f'Model {name} not found !')
return models
def delete_model(self, name):
shutil.rmtree(self._dir(name))
self.dbw.unregister_predictor(name)
def rename_model(self, name, new_name):
self.dbw.unregister_predictor(name)
shutil.move(self._dir(name), self._dir(new_name))
shutil.move(os.path.join(self._dir(new_name) + f'{name}.py'),
os.path.join(self._dir(new_name), f'{new_name}.py'))
self.dbw.register_predictors([self.get_model_data(new_name)])
def export_model(self, name):
shutil.make_archive(base_name=name,
format='zip',
root_dir=self._dir(name))
return str(self._dir(name)) + '.zip'
def load_model(self, fpath, name, trained_status):
shutil.unpack_archive(fpath, self._dir(name), 'zip')
shutil.move(os.path.join(self._dir(name), 'model.py'),
os.path.join(self._dir(name), f'{name}.py'))
model = self._internal_load(name)
model.to_predict = model.to_predict if isinstance(
model.to_predict, list) else [model.to_predict]
self.save_model_data(
name, {
'name': name,
'data_analysis_v2': model.column_type_map,
'predict': model.to_predict,
'status': trained_status,
'is_custom': True
})
with open(os.path.join(self._dir(name), '__init__.py'), 'w') as fp:
fp.write('')
if trained_status == 'trained':
self.dbw.register_predictors([self.get_model_data(name)])
def __init__(self, config):
self.config = config
self.dir = config.paths['datasources']
self.mindsdb_native = NativeInterface(config)
class DataStore():
def __init__(self, config):
self.config = config
self.dir = config.paths['datasources']
self.mindsdb_native = NativeInterface(config)
def get_analysis(self, ds):
return self.mindsdb_native.analyse_dataset(self.get_datasource_obj(ds))
def get_datasources(self):
datasource_arr = []
for ds_name in os.listdir(self.dir):
try:
with open(os.path.join(self.dir, ds_name, 'metadata.json'),
'r') as fp:
try:
datasource = json.load(fp)
datasource['created_at'] = parse_dt(
datasource['created_at'].split('.')[0])
datasource['updated_at'] = parse_dt(
datasource['updated_at'].split('.')[0])
datasource_arr.append(datasource)
except Exception as e:
print(e)
except Exception as e:
print(e)
return datasource_arr
def get_data(self, name, where=None, limit=None, offset=None):
offset = 0 if offset is None else offset
ds = self.get_datasource_obj(name)
if limit is not None:
# @TODO Add `offset` to the `filter` method of the datasource and get rid of `offset`
filtered_ds = ds.filter(where=where,
limit=limit + offset).iloc[offset:]
else:
filtered_ds = ds.filter(where=where)
data = filtered_ds.to_dict(orient='records')
return {
'data': data,
'rowcount': len(ds),
'columns_names': filtered_ds.columns
}
def get_datasource(self, name):
for ds in self.get_datasources():
if ds['name'] == name:
return ds
return None
def delete_datasource(self, name):
shutil.rmtree(os.path.join(self.dir, name))
def save_datasource(self, name, source_type, source, file_path=None):
if source_type == 'file' and (file_path is None):
raise Exception(
'`file_path` argument required when source_type == "file"')
for i in range(1, 1000):
if name in [x['name'] for x in self.get_datasources()]:
previous_index = i - 1
name = name.replace(f'__{previous_index}__', '')
name = f'{name}__{i}__'
else:
break
ds_meta_dir = os.path.join(self.dir, name)
os.mkdir(ds_meta_dir)
try:
if source_type == 'file':
source = os.path.join(ds_meta_dir, source)
shutil.move(file_path, source)
ds = FileDS(source)
picklable = {'class': 'FileDS', 'args': [source], 'kwargs': {}}
elif source_type in self.config['integrations']:
integration = self.config['integrations'][source_type]
ds_class_map = {
'clickhouse': ClickhouseDS,
'mariadb': MariaDS,
'mysql': MySqlDS,
'postgres': PostgresDS,
'mssql': MSSQLDS,
'mongodb': MongoDS,
'snowflake': SnowflakeDS
}
try:
dsClass = ds_class_map[integration['type']]
except KeyError:
raise KeyError(
f"Unknown DS type: {source_type}, type is {integration['type']}"
)
if integration['type'] in ['clickhouse']:
picklable = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'query': source['query'],
'user': integration['user'],
'password': integration['password'],
'host': integration['host'],
'port': integration['port']
}
}
ds = dsClass(**picklable['kwargs'])
elif integration['type'] in [
'mssql', 'postgres', 'mariadb', 'mysql'
]:
picklable = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'query': source['query'],
'user': integration['user'],
'password': integration['password'],
'host': integration['host'],
'port': integration['port']
}
}
if 'database' in integration:
picklable['kwargs']['database'] = integration[
'database']
if 'database' in source:
picklable['kwargs']['database'] = source['database']
ds = dsClass(**picklable['kwargs'])
elif integration['type'] == 'snowflake':
picklable = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'query': source['query'],
'schema': source['schema'],
'warehouse': source['warehouse'],
'database': source['database'],
'host': integration['host'],
'password': integration['password'],
'user': integration['user'],
'account': integration['account']
}
}
ds = dsClass(**picklable['kwargs'])
elif integration['type'] == 'mongodb':
if isinstance(source['find'], str):
source['find'] = json.loads(source['find'])
picklable = {
'class': dsClass.__name__,
'args': [],
'kwargs': {
'database': source['database'],
'collection': source['collection'],
'query': source['find'],
'user': integration['user'],
'password': integration['password'],
'host': integration['host'],
'port': integration['port']
}
}
ds = dsClass(**picklable['kwargs'])
else:
# This probably only happens for urls
ds = FileDS(source)
picklable = {'class': 'FileDS', 'args': [source], 'kwargs': {}}
df = ds.df
if '' in df.columns or len(df.columns) != len(set(df.columns)):
shutil.rmtree(ds_meta_dir)
raise Exception(
'Each column in datasource must have unique name')
with open(os.path.join(ds_meta_dir, 'ds.pickle'), 'wb') as fp:
pickle.dump(picklable, fp)
with open(os.path.join(ds_meta_dir, 'metadata.json'), 'w') as fp:
meta = {
'name': name,
'source_type': source_type,
'source': source,
'created_at': str(datetime.datetime.now()).split('.')[0],
'updated_at': str(datetime.datetime.now()).split('.')[0],
'row_count': len(df),
'columns': [dict(name=x) for x in list(df.keys())]
}
json.dump(meta, fp, indent=4, sort_keys=True)
with open(os.path.join(ds_meta_dir, 'versions.json'), 'wt') as fp:
json.dump(self.config.versions, fp, indent=4, sort_keys=True)
except Exception:
if os.path.isdir(ds_meta_dir):
shutil.rmtree(ds_meta_dir)
raise
return self.get_datasource_obj(name, raw=True), name
def get_datasource_obj(self, name, raw=False):
ds_meta_dir = os.path.join(self.dir, name)
ds = None
try:
with open(os.path.join(ds_meta_dir, 'ds.pickle'), 'rb') as fp:
picklable = pickle.load(fp)
if raw:
return picklable
try:
ds = eval(picklable['class'])(*picklable['args'],
**picklable['kwargs'])
except Exception:
ds = picklable
return ds
except Exception as e:
print(f'\n{e}\n')
return None