def __init__(self, sql = 'show schemas;', breakpoint=None):
"""
Initialize a session and pass a dummy socket env
"""
self.request = TestSocket()
self.session = SessionController()
self.session.newTransaction(sql_query=sql, breakpoint=breakpoint)
def __init__(self, file=SQLITE_FILE):
"""
:param file:
"""
self.setConfigs()
_thread.start_new_thread(MindsDBController.checkForUpdates, ())
self.session = SessionController()
self.storage_file = file
self.conn = sqlite3.connect(file)
self.conn.create_aggregate("first_value", 1, FirstValueAgg)
self.conn.create_aggregate("array_agg_json", 2, ArrayAggJSON)
class TestController():
def __init__(self, sql = 'show schemas;', breakpoint=None):
"""
Initialize a session and pass a dummy socket env
"""
self.request = TestSocket()
self.session = SessionController()
self.session.newTransaction(sql_query=sql, breakpoint=breakpoint)
@staticmethod
def loadModule(module_class, sql = 'show schemas;', breakpoint=None):
"""
return an instance of a module for testing
:param module_class: the actual class to initialize
:return: an instance of the module
"""
c = TestController(sql, breakpoint)
m = module_class(c.session)
return m
class MindsDBController:
def __init__(self, file=SQLITE_FILE):
"""
:param file:
"""
self.setConfigs()
_thread.start_new_thread(MindsDBController.checkForUpdates, ())
self.session = SessionController()
self.storage_file = file
self.conn = sqlite3.connect(file)
self.conn.create_aggregate("first_value", 1, FirstValueAgg)
self.conn.create_aggregate("array_agg_json", 2, ArrayAggJSON)
self._from_data = None
def setConfigs(self):
"""
This sets the config settings for this mindsdb instance
:return:
"""
# set logging settings
logging.basicConfig(**CONFIG.PROXY_LOG_CONFIG)
# set the mindsdb storage folder
storage_ok = True # default state
# if it does not exist try to create it
if not os.path.exists(CONFIG.MINDSDB_STORAGE_PATH):
try:
logging.info('{folder} does not exist, creating it now'.format(
folder=CONFIG.MINDSDB_STORAGE_PATH))
path = Path(CONFIG.MINDSDB_STORAGE_PATH)
path.mkdir(exist_ok=True, parents=True)
except:
logging.info(traceback.format_exc())
storage_ok = False
logging.error(
'MindsDB storate foldler: {folder} does not exist and could not be created'
.format(folder=CONFIG.MINDSDB_STORAGE_PATH))
# If storage path is not writable, raise an exception as this can no longer be
if not os.access(CONFIG.MINDSDB_STORAGE_PATH,
os.W_OK) or storage_ok == False:
error_message = '''Cannot write into storage path, please either set the config variable mindsdb.config.set('MINDSDB_STORAGE_PATH',<path>) or give write access to {folder}'''
raise ValueError(
error_message.format(folder=CONFIG.MINDSDB_STORAGE_PATH))
def addTable(self, ds, as_table):
"""
:param ds:
:param as_table:
:return:
"""
ds.df.to_sql(as_table, self.conn, if_exists='replace', index=False)
def query(self, query):
"""
:param query:
:return:
"""
cur = self.conn.cursor()
return cur.execute(query)
def queryToDF(self, query):
"""
:param query:
:return:
"""
return pandas.read_sql_query(query, self.conn)
def setUserEmail(self, email):
"""
:param email:
:return:
"""
email_file = CONFIG.MINDSDB_STORAGE_PATH + '/../email.mdb_base'
try:
open(email_file, 'w').write(email)
return True
except:
logging.warning(
'Cannot store token, Please add write permissions to file:' +
email_file)
return False
def getUserEmail(self):
"""
:return:
"""
email_file = CONFIG.MINDSDB_STORAGE_PATH + '/../email.mdb_base'
email_file_path = Path(email_file)
try:
if email_file_path.is_file():
email = open(email_file, 'r').read()
return email
else:
return None
except:
logging.warning(
'Cannot read email, Please add write permissions to file:' +
email_file)
return None
def learn(self,
predict,
from_file=None,
from_data=None,
model_name='mdsb_model',
test_from_data=None,
group_by=None,
window_size=MODEL_GROUP_BY_DEAFAULT_LIMIT,
order_by=[],
breakpoint=PHASE_END,
ignore_columns=[],
rename_strange_columns=True):
"""
:param from_query:
:param predict:
:param model_name:
:param test_query:
:return:
"""
if self._from_data is None:
from_ds = getDS(from_data) if from_file is None else getDS(
from_file)
else:
from_ds = getDS(self._from_data)
test_from_ds = test_from_data if test_from_data is None else getDS(
test_from_data)
transaction_type = TRANSACTION_LEARN
predict_columns_map = {}
predict_columns = [predict] if type(predict) != type([]) else predict
if rename_strange_columns is False:
for predict_col in predict_columns:
predict_col_as_in_df = from_ds.getColNameAsInDF(predict_col)
predict_columns_map[predict_col_as_in_df] = predict_col
predict_columns = list(predict_columns_map.keys())
else:
logging.warning(
'After version 1.0 rename_strange_columns in MindsDB().learn, the default value will be flipped from True to False '
)
transaction_metadata = TransactionMetadata()
transaction_metadata.model_name = model_name
transaction_metadata.model_predict_columns = predict_columns
transaction_metadata.model_columns_map = {} if rename_strange_columns else from_ds._col_map
transaction_metadata.model_group_by = group_by
transaction_metadata.model_order_by = order_by if type(
order_by) == type([]) else [order_by]
transaction_metadata.window_size = window_size
transaction_metadata.type = transaction_type
transaction_metadata.from_data = from_ds
transaction_metadata.test_from_data = test_from_ds
transaction_metadata.ignore_columns = ignore_columns
self.startInfoServer()
self.session.newTransaction(transaction_metadata, breakpoint)
def startInfoServer(self):
pass
def predict(self,
when={},
from_data=None,
model_name='mdsb_model',
breakpoint=PHASE_END,
**kargs):
"""
:param predict:
:param when:
:param model_name:
:return:
"""
transaction_type = TRANSACTION_PREDICT
from_ds = None if from_data is None else getDS(from_data)
transaction_metadata = TransactionMetadata()
transaction_metadata.model_name = model_name
# This will become irrelevant as if we have trained a model with a predict we just need to pass when or from_data
# predict_columns = [predict] if type(predict) != type([]) else predict
# transaction_metadata.model_predict_columns = predict_columns
transaction_metadata.model_when_conditions = when
transaction_metadata.type = transaction_type
transaction_metadata.storage_file = self.storage_file
transaction_metadata.from_data = from_ds
transaction = self.session.newTransaction(transaction_metadata,
breakpoint)
return transaction.output_data
@staticmethod
def checkForUpdates():
# tmp files
uuid_file = CONFIG.MINDSDB_STORAGE_PATH + '/../uuid.mdb_base'
mdb_file = CONFIG.MINDSDB_STORAGE_PATH + '/start.mdb_base'
uuid_file_path = Path(uuid_file)
if uuid_file_path.is_file():
uuid_str = open(uuid_file).read()
else:
uuid_str = str(uuid.uuid4())
try:
open(uuid_file, 'w').write(uuid_str)
except:
logging.warning(
'Cannot store token, Please add write permissions to file:'
+ uuid_file)
uuid_str = uuid_str + '.NO_WRITE'
file_path = Path(mdb_file)
if file_path.is_file():
token = open(mdb_file).read()
else:
token = '{system}|{version}|{uid}'.format(system=platform.system(),
version=MINDSDB_VERSION,
uid=uuid_str)
try:
open(mdb_file, 'w').write(token)
except:
logging.warning(
'Cannot store token, Please add write permissions to file:'
+ mdb_file)
token = token + '.NO_WRITE'
extra = urllib.parse.quote_plus(token)
try:
r = requests.get(
'http://mindsdb.com/updates/check/{extra}'.format(extra=extra),
headers={
'referer':
'http://check.mindsdb.com/?token={token}'.format(
token=token)
})
except:
logging.warning('Could not check for updates')
return
try:
# TODO: Extract version, compare with version in version.py
ret = r.json()
if 'version' in ret and ret['version'] != MINDSDB_VERSION:
logging.warning(
"There is a new version of MindsDB {version}, please do:\n pip3 uninstall mindsdb\n pip3 install mindsdb --user"
.format(version=ret['version']))
else:
logging.debug('MindsDB is up to date!')
except:
logging.warning('could not check for MindsDB updates')
# zhihua
def read_csv(self, filepath, delimiter=',', header='infer', encoding=None):
data_df = pd.read_csv(filepath,
delimiter=delimiter,
encoding=encoding,
header=header)
self._from_data = data_df
return self
class MindsDBController:
def __init__(self, file=SQLITE_FILE):
"""
:param file:
"""
self.setConfigs()
_thread.start_new_thread(MindsDBController.checkForUpdates, ())
self.session = SessionController()
self.storage_file = file
self.conn = sqlite3.connect(file)
self.conn.create_aggregate("first_value", 1, FirstValueAgg)
self.conn.create_aggregate("array_agg_json", 2, ArrayAggJSON)
def setConfigs(self):
"""
This sets the config settings for this mindsdb instance
:return:
"""
# set logging settings
logging.basicConfig(**CONFIG.PROXY_LOG_CONFIG)
# set the mindsdb storage folder
storage_ok = True # default state
# if it does not exist try to create it
if not os.path.exists(CONFIG.MINDSDB_STORAGE_PATH):
try:
logging.info('{folder} does not exist, creating it now'.format(
folder=CONFIG.MINDSDB_STORAGE_PATH))
os.mkdir(CONFIG.MINDSDB_STORAGE_PATH)
except:
logging.info(traceback.format_exc())
storage_ok = False
logging.error(
'MindsDB storate foldler: {folder} does not exist and could not be created'
.format(folder=CONFIG.MINDSDB_STORAGE_PATH))
# If storage path is not writable, raise an exception as this can no longer be
if not os.access(CONFIG.MINDSDB_STORAGE_PATH,
os.W_OK) or storage_ok == False:
error_message = '''Cannot write into storage path, please either set the config variable mindsdb.config.set('MINDSDB_STORAGE_PATH',<path>) or give write access to {folder}'''
raise ValueError(
error_message.format(folder=CONFIG.MINDSDB_STORAGE_PATH))
def addTable(self, ds, as_table):
"""
:param ds:
:param as_table:
:return:
"""
ds.df.to_sql(as_table, self.conn, if_exists='replace', index=False)
def query(self, query):
"""
:param query:
:return:
"""
cur = self.conn.cursor()
return cur.execute(query)
def queryToDF(self, query):
"""
:param query:
:return:
"""
return pandas.read_sql_query(query, self.conn)
def learn(self,
predict,
from_file=None,
from_data=None,
model_name='mdsb_model',
test_from_data=None,
group_by=None,
window_size=MODEL_GROUP_BY_DEAFAULT_LIMIT,
order_by=[],
breakpoint=PHASE_END):
"""
:param from_query:
:param predict:
:param model_name:
:param test_query:
:return:
"""
from_ds = getDS(from_data) if from_file is None else getDS(from_file)
test_from_ds = test_from_data if test_from_data is None else getDS(
test_from_data)
transaction_type = TRANSACTION_LEARN
predict_columns = [predict] if type(predict) != type([]) else predict
transaction_metadata = TransactionMetadata()
transaction_metadata.model_name = model_name
transaction_metadata.model_predict_columns = predict_columns
transaction_metadata.model_group_by = group_by
transaction_metadata.model_order_by = order_by if type(
order_by) == type([]) else [order_by]
transaction_metadata.window_size = window_size
transaction_metadata.type = transaction_type
transaction_metadata.from_data = from_ds
transaction_metadata.test_from_data = test_from_ds
self.startInfoServer()
self.session.newTransaction(transaction_metadata, breakpoint)
def startInfoServer(self):
pass
def predict(self,
predict,
from_data=None,
when={},
model_name='mdsb_model',
breakpoint=PHASE_END):
"""
:param predict:
:param when:
:param model_name:
:return:
"""
transaction_type = TRANSACTION_PREDICT
predict_columns = [predict] if type(predict) != type([]) else predict
transaction_metadata = TransactionMetadata()
transaction_metadata.model_name = model_name
transaction_metadata.model_predict_columns = predict_columns
transaction_metadata.model_when_conditions = when
transaction_metadata.type = transaction_type
transaction_metadata.storage_file = self.storage_file
transaction_metadata.from_data = from_data
transaction = self.session.newTransaction(transaction_metadata,
breakpoint)
return transaction.output_data
@staticmethod
def checkForUpdates():
# tmp files
mdb_file = CONFIG.MINDSDB_STORAGE_PATH + '/start.mdb_base'
file_path = Path(mdb_file)
if file_path.is_file():
token = open(mdb_file).read()
else:
token = '{system}|{version}|{uid}'.format(system=platform.system(),
version=MDB_VERSION,
uid=str(uuid.uuid4()))
try:
open(mdb_file, 'w').write(token)
except:
logging.warn(
'Cannot store token, Please add write permissions to file:'
+ mdb_file)
token = token + '.NO_WRITE'
r = requests.get(
'https://github.com/mindsdb/main/blob/master/version.py',
headers={
'referer':
'http://check.mindsdb.com/?token={token}'.format(token=token)
})
try:
# TODO: Extract version, compare with version in version.py
# ret = r.json()
# if 'new_version' in ret:
# logging.warn('There is an update available for mindsdb, please go: pip install mindsdb --upgrade')
pass
except:
logging.warning('could not check for MindsDB updates')