def find_modify(self,
index_id,
operation,
columns,
modify_operation,
modify_columns=[],
limit=0,
offset=0):
"""Updates/deletes row(s) using opened index.
Returns number of modified rows or a list of original values in case
``modify_operation`` ends with ``?``.
Raises ``ValueError`` if given data doesn't validate.
:param integer index_id: id of opened index.
:param string operation: logical comparison operation to use over ``columns``.
Currently allowed operations are defined in :const:`~.FIND_OPERATIONS`.
Only one operation is allowed per call.
:param iterable columns: list of column values for comparison operation.
List must be ordered in the same way as columns are defined in
opened index.
:param string modify_operation: modification operation (update or delete).
Currently allowed operations are defined in :const:`~.MODIFY_OPERATIONS`.
:param iterable modify_columns: list of column values for update operation.
List must be ordered in the same way as columns are defined in
opened index. Only usable for *update* operation,
:param integer limit: optional limit of results to change. Default is
one row. In case multiple rows are expected to be changed, ``limit``
must be set explicitly, HS wont change all found rows by default.
:param integer offset: optional offset of rows to search for.
:rtype: list
"""
if operation not in self.FIND_OPERATIONS \
or modify_operation not in self.MODIFY_OPERATIONS:
raise ValueError('Operation is not supported.')
if not check_columns(columns):
raise ValueError('Columns must be a non-empty iterable.')
if modify_operation in ('U', '+', '-', 'U?', '+?', '-?') \
and not check_columns(modify_columns):
raise ValueError(
'Modify_columns must be a non-empty iterable for update operation'
)
query = chain((str(index_id), operation, str(len(columns))),
imap(encode, columns),
(str(limit), str(offset), modify_operation),
imap(encode, modify_columns))
response = self._call(index_id, query, force_index=True)
return response
def find_modify(self, index_id, operation, columns, modify_operation,
modify_columns=[], limit=0, offset=0):
"""Updates/deletes row(s) using opened index.
Returns number of modified rows or a list of original values in case
``modify_operation`` ends with ``?``.
Raises ``ValueError`` if given data doesn't validate.
:param integer index_id: id of opened index.
:param string operation: logical comparison operation to use over ``columns``.
Currently allowed operations are defined in :const:`~.FIND_OPERATIONS`.
Only one operation is allowed per call.
:param iterable columns: list of column values for comparison operation.
List must be ordered in the same way as columns are defined in
opened index.
:param string modify_operation: modification operation (update or delete).
Currently allowed operations are defined in :const:`~.MODIFY_OPERATIONS`.
:param iterable modify_columns: list of column values for update operation.
List must be ordered in the same way as columns are defined in
opened index. Only usable for *update* operation,
:param integer limit: optional limit of results to change. Default is
one row. In case multiple rows are expected to be changed, ``limit``
must be set explicitly, HS wont change all found rows by default.
:param integer offset: optional offset of rows to search for.
:rtype: list
"""
if operation not in self.FIND_OPERATIONS \
or modify_operation not in self.MODIFY_OPERATIONS:
raise ValueError('Operation is not supported.')
if not check_columns(columns):
raise ValueError('Columns must be a non-empty iterable.')
if modify_operation in ('U', '+', '-', 'U?', '+?', '-?') \
and not check_columns(modify_columns):
raise ValueError('Modify_columns must be a non-empty iterable for update operation')
query = chain(
(str(index_id), operation, str(len(columns))),
imap(encode, columns),
(str(limit), str(offset), modify_operation),
imap(encode, modify_columns)
)
response = self._call(index_id, query, force_index=True)
return response
def find(self, index_id, operation, columns, limit=0, offset=0):
"""Finds row(s) via opened index.
Raises ``ValueError`` if given data doesn't validate.
:param integer index_id: id of opened index.
:param string operation: logical comparison operation to use over ``columns``.
Currently allowed operations are defined in :const:`~.FIND_OPERATIONS`.
Only one operation is allowed per call.
:param iterable columns: list of column values for comparison operation.
List must be ordered in the same way as columns are defined
in opened index.
:param integer limit: optional limit of results to return. Default is
one row. In case multiple results are expected, ``limit`` must be
set explicitly, HS wont return all found rows by default.
:param integer offset: optional offset of rows to search for.
:rtype: list
"""
if operation not in self.FIND_OPERATIONS:
raise ValueError('Operation is not supported.')
if not check_columns(columns):
raise ValueError('Columns must be a non-empty iterable.')
query = chain((str(index_id), operation, str(len(columns))),
imap(encode, columns), (str(limit), str(offset)))
response = self._call(index_id, query, force_index=True)
return response
def find(self, index_id, operation, columns, limit=0, offset=0):
"""Finds row(s) via opened index.
Raises ``ValueError`` if given data doesn't validate.
:param integer index_id: id of opened index.
:param string operation: logical comparison operation to use over ``columns``.
Currently allowed operations are defined in :const:`~.FIND_OPERATIONS`.
Only one operation is allowed per call.
:param iterable columns: list of column values for comparison operation.
List must be ordered in the same way as columns are defined
in opened index.
:param integer limit: optional limit of results to return. Default is
one row. In case multiple results are expected, ``limit`` must be
set explicitly, HS wont return all found rows by default.
:param integer offset: optional offset of rows to search for.
:rtype: list
"""
if operation not in self.FIND_OPERATIONS:
raise ValueError('Operation is not supported.')
if not check_columns(columns):
raise ValueError('Columns must be a non-empty iterable.')
query = chain(
(str(index_id), operation, str(len(columns))),
imap(encode, columns),
(str(limit), str(offset))
)
response = self._call(index_id, query, force_index=True)
return response
def _data_preprocess(
clip_start_date,
clip_end_date,
disk_smart_df,
use_model_id,
use_2017_fault_data,
is_train,
):
"""
"""
if use_model_id:
disk_smart_df = disk_smart_df[disk_smart_df.model == use_model_id]
disk_smart_df = disk_smart_df[disk_smart_df['dt'] >= clip_start_date] if clip_start_date is not None \
else disk_smart_df
disk_smart_df = disk_smart_df[disk_smart_df['dt'] <= clip_end_date] if clip_end_date is not None \
else disk_smart_df
if use_2017_fault_data:
fault_data_2017_path = os.path.join(conf.DATA_DIR,
'2017_fault_data.h5')
fault_2017_df = pd.read_hdf(
fault_data_2017_path,
columns=SELECTED_CONT_COLS + SELECTED_INDEX_COLS +
SELECTED_CATE_COLS + SELECTED_LABEL_COLS,
)
disk_smart_df = pd.concat([disk_smart_df, fault_2017_df], axis=0)
# some task-specific clean rules
correct_column_type(disk_smart_df)
index_cols, cate_cols, cont_cols, label_cols = check_columns(
disk_smart_df.dtypes.to_dict())
disk_smart_df.drop_duplicates(index_cols, keep='first', inplace=True)
mask = (disk_smart_df[POWER_ON_HOURS_COL] != 0)
disk_smart_df = disk_smart_df[mask]
# disk_smart_df.dropna(subset=[POWER_ON_HOURS_COL], inplace=True)
if is_train:
cols_with_unique_number = remove_cont_cols_with_unique_value(
disk_smart_df, cont_cols, threshold=DROP_UNIQUE_COL_THRESHOLD)
disk_smart_df.drop(columns=cols_with_unique_number, inplace=True)
drop_na_cols = check_nan_value(disk_smart_df,
threshold=DROP_NAN_COL_THRESHOLD)
disk_smart_df.drop(columns=drop_na_cols, inplace=True)
disk_smart_df.loc[disk_smart_df[USING_LABEL] != 0,
USING_LABEL] = FAULT_LABEL
return disk_smart_df
def insert(self, index_id, columns):
"""Inserts single row using opened index.
Raises ``ValueError`` if given data doesn't validate.
:param integer index_id: id of opened index.
:param list columns: list of column values for insertion. List must be
ordered in the same way as columns are defined in opened index.
:rtype: bool
"""
if not check_columns(columns):
raise ValueError('Columns must be a non-empty iterable.')
query = chain((str(index_id), '+', str(len(columns))),
imap(encode, columns))
self._call(index_id, query, force_index=True)
return True
def show_csv_config(request):
recordtype = 'collectionobjects'
matrix = deepcopy(RECORDTYPES[recordtype][2][0])
# convert from dict of tuples to list of tuples
matrix = [[
m,
] + matrix[m] for m in matrix]
matrix = [[m[i] for i in (0, 1, 3, 6, 5)] for m in matrix]
matrix = sorted(matrix, key=lambda x: x[4])
#labels = 'input_column,cspace_field,context_tag,data_type,check_exists,row_id,authority or vocabulary'.split(',')
labels = 'input column,cspace field,data type,authority or vocabulary,row id'.split(
',')
columnhandling = check_columns(labels, 'none', recordtype)
#message = "%s 'actionable' fields configured in config file." % len(matrix)
message = "'Mappable' fields for %s" % recordtype
rtypes = [[RECORDTYPES[r][0], r] for r in RECORDTYPES.keys()]
return labels, matrix, message, rtypes
def insert(self, index_id, columns):
"""Inserts single row using opened index.
Raises ``ValueError`` if given data doesn't validate.
:param integer index_id: id of opened index.
:param list columns: list of column values for insertion. List must be
ordered in the same way as columns are defined in opened index.
:rtype: bool
"""
if not check_columns(columns):
raise ValueError('Columns must be a non-empty iterable.')
query = chain(
(str(index_id), '+', str(len(columns))),
imap(encode, columns)
)
self._call(index_id, query, force_index=True)
return True
def feature_engineering(filename='',
fe_save_filename='train_fe.feather',
is_train=True,
use_2017_fault_data=False,
clip_start_date=None,
clip_end_date=None,
pred_start_date='2018-09-01',
pred_end_date='2018-09-30',
use_model_id=None,
num_processes=10):
"""
:return:
"""
logger.info('训练数据特征工程: %s，数据集截断起始日期：%s, 数据集截断结束日期：%s' %
(is_train, clip_start_date, clip_end_date))
# load dataset
disk_smart_df = _load_data_into_dataframe(filename, is_train)
# preprocess data
disk_smart_df = _data_preprocess(clip_start_date, clip_end_date,
disk_smart_df, use_model_id,
use_2017_fault_data, is_train)
"""generate cate feats"""
fe_df = disk_smart_df.copy(deep=True)
del disk_smart_df
gc.collect()
#
fe_df['model_type'] = fe_df['model'].map({1: 0, 2: 1}).astype('category')
for col in TRANSFORM_CONT_INTO_CAT_COLS:
fe_df[col + '_cate'] = 0
fe_df.loc[fe_df[col] > 0, col + '_cate'] = 1
fe_df[col + '_cate'] = fe_df[col + '_cate'].astype('category')
fe_df['power_on_hours_in_day_unit'] = fe_df[POWER_ON_HOURS_COL] // 24
if is_train:
fe_df['power_on_hours_in_day_unit_cate'] = pd.cut(
fe_df['power_on_hours_in_day_unit'],
bins=BINS_FOR_CUT_POWER_ON_HOURS_FEAT,
labels=False)
else:
fe_df['power_on_hours_in_day_unit_cate'] = pd.cut(
fe_df['power_on_hours_in_day_unit'],
POWER_ON_HOURS_CATE_LIST,
labels=False)
fe_df['power_on_hours_in_day_unit_cate'] = fe_df[
'power_on_hours_in_day_unit_cate'].astype('category')
fe_df.drop(columns=['power_on_hours_in_day_unit'], inplace=True)
""" generate cont feats"""
# error weight combination features
_get_combination_weight(fe_df, ERR_RECORD_COLS, 'err_weight')
_get_combination_weight(fe_df, SEEK_ERR_COLS, 'seek_err_weight')
_get_combination_weight(fe_df, DEGRADATION_ERR_COLS,
'degradation_err_weight')
fe_df.drop(columns=TRANSFORM_CONT_INTO_CAT_COLS, inplace=True)
# sliding window feature
group_cols = ['model', 'serial_number']
index_cols, cate_cols, cont_cols, label_cols = check_columns(
fe_df.dtypes.to_dict())
if is_train:
label_df = fe_df[
index_cols +
label_cols] # for further joining with feature engineered data
fe_df = fe_df[index_cols + cate_cols + cont_cols]
fe_df = _sliding_window(fe_df, group_cols, cont_cols, cate_cols,
num_processes)
# drop the col with too many nan
if is_train:
drop_na_cols = check_nan_value(fe_df, threshold=DROP_NAN_COL_THRESHOLD)
fe_df.drop(columns=drop_na_cols, inplace=True)
if is_train:
fe_df = _merge_label_df_and_fe_df(
label_df, fe_df, index_cols) # get the label cols back
del label_df
gc.collect()
fe_df.reset_index(drop=True, inplace=True)
save_path = os.path.join(conf.DATA_DIR, fe_save_filename)
fe_df.to_feather(save_path)
logger.info('特征工程文件文件已保存至%s' % save_path)
else:
# get the prediction duration for predict data
mask = fe_df.dt >= pred_start_date
mask &= fe_df.dt <= pred_end_date
fe_df = fe_df[mask]
fe_df.reset_index(drop=True, inplace=True)
return fe_df