energy-data-trans/etl/wind_power/min_sec/StatisticsAndSaveFile.py

import datetime
import multiprocessing
import traceback
from os import path

import numpy as np
import pandas as pd

from etl.common.PathsAndTable import PathsAndTable
from etl.wind_power.min_sec import TransParam
from etl.wind_power.min_sec.ClassIdentifier import ClassIdentifier
from service.plt_service import update_trans_transfer_progress
from service.trans_service import get_trans_exec_code
from utils.conf.read_conf import read_conf
from utils.df_utils.util import get_time_space
from utils.file.trans_methods import create_file_path, read_excel_files, read_file_to_df, split_array
from utils.log.trans_log import trans_print
from utils.systeminfo.sysinfo import use_files_get_max_cpu_count

exec("import math")


class StatisticsAndSaveFile(object):

    def __init__(self, paths_and_table: PathsAndTable, trans_param: TransParam, statistics_map,
                 rated_power_and_cutout_speed_map):
        self.paths_and_table = paths_and_table
        self.trans_param = trans_param
        self.statistics_map = statistics_map
        self.lock = multiprocessing.Manager().Lock()
        self.rated_power_and_cutout_speed_map = rated_power_and_cutout_speed_map

    def set_statistics_data(self, df):

        if not df.empty:
            df['time_stamp'] = pd.to_datetime(df['time_stamp'])
            min_date = df['time_stamp'].min()
            max_date = df['time_stamp'].max()
            with self.lock:

                if 'min_date' in self.statistics_map.keys():
                    if self.statistics_map['min_date'] > min_date:
                        self.statistics_map['min_date'] = min_date
                else:
                    self.statistics_map['min_date'] = min_date

                if 'max_date' in self.statistics_map.keys():
                    if self.statistics_map['max_date'] < max_date:
                        self.statistics_map['max_date'] = max_date
                else:
                    self.statistics_map['max_date'] = max_date

                if 'total_count' in self.statistics_map.keys():
                    self.statistics_map['total_count'] = self.statistics_map['total_count'] + df.shape[0]
                else:
                    self.statistics_map['total_count'] = df.shape[0]

                if 'time_granularity' not in self.statistics_map.keys():
                    self.statistics_map['time_granularity'] = get_time_space(df, 'time_stamp')

    def save_to_csv(self, filename):
        df = read_file_to_df(filename)
        if self.trans_param.is_vertical_table:
            df = df.pivot_table(index=['time_stamp', 'wind_turbine_number'], columns=self.trans_param.vertical_key,
                                values=self.trans_param.vertical_value,
                                aggfunc='max')
            # 重置索引以得到普通的列
            df.reset_index(inplace=True)

        # 转化风机名称
        origin_wind_name = str(df['wind_turbine_number'].values[0])
        df['wind_turbine_number'] = df['wind_turbine_number'].astype('str')
        # df['wind_turbine_name'] = df['wind_turbine_number']
        df['wind_turbine_number'] = df['wind_turbine_number'].map(
            self.trans_param.wind_col_trans).fillna(df['wind_turbine_number'])
        wind_col_name = str(df['wind_turbine_number'].values[0])

        not_double_cols = ['wind_turbine_number', 'wind_turbine_name', 'time_stamp', 'param6', 'param7', 'param8',
                           'param9', 'param10']

        # 删除 有功功率 和 风速均为空的情况
        df.dropna(subset=['active_power', 'wind_velocity'], how='all', inplace=True)
        trans_print(wind_col_name, "删除有功功率和风速均为空的情况后:", df.shape)
        df.replace(np.nan, -999999999, inplace=True)
        number_cols = df.select_dtypes(include=['number']).columns.tolist()
        for col in df.columns:
            if col not in not_double_cols and col not in number_cols:
                if not df[col].isnull().all():
                    df[col] = pd.to_numeric(df[col], errors='coerce')
                    # 删除包含NaN的行（即那些列A转换失败的行）
                    df = df.dropna(subset=[col])
                    trans_print(wind_col_name, "删除非数值列名:", col)
        df.replace(-999999999, np.nan, inplace=True)

        df.drop_duplicates(['wind_turbine_number', 'time_stamp'], keep='first', inplace=True)

        df['time_stamp'] = pd.to_datetime(df['time_stamp'], errors="coerce")
        df.dropna(subset=['time_stamp'], inplace=True)
        df.sort_values(by='time_stamp', inplace=True)
        df = df[[i for i in self.trans_param.cols_tran.keys() if i in df.columns]]

        # 如果秒级有可能合并到分钟级
        # TODO add 秒转分钟
        if self.trans_param.boolean_sec_to_min:
            df['time_stamp'] = df['time_stamp'].apply(lambda x: x + pd.Timedelta(minutes=(10 - x.minute % 10) % 10))
            df['time_stamp'] = df['time_stamp'].dt.floor('10T')
            df = df.groupby(['wind_turbine_number', 'time_stamp']).mean().reset_index()
        trans_print('有功功率前10个', df.head(10)['active_power'].values)
        power_df = df[df['active_power'] > 0]
        trans_print(wind_col_name, "功率大于0的数量:", power_df.shape)
        power = power_df.sample(int(power_df.shape[0] / 100))['active_power'].median()

        del power_df
        trans_print(wind_col_name, '有功功率，中位数', power)
        if power > 100000:
            df['active_power'] = df['active_power'] / 1000
        ## 做数据检测前,羡强行处理有功功率
        # df = df[df['active_power'] < 50000]

        rated_power_and_cutout_speed_tuple = read_conf(self.rated_power_and_cutout_speed_map, str(wind_col_name))
        if rated_power_and_cutout_speed_tuple is None:
            rated_power_and_cutout_speed_tuple = (None, None)

        # 如果有需要处理的,先进行代码处理,在进行打标签
        exec_code = get_trans_exec_code(self.paths_and_table.batch_no, self.paths_and_table.read_type)
        if exec_code:
            if 'import ' in exec_code:
                raise Exception("执行代码不支持导入包")
            exec(exec_code)

        class_identifiler = ClassIdentifier(wind_turbine_number=wind_col_name, origin_df=df,
                                            rated_power=rated_power_and_cutout_speed_tuple[0],
                                            cut_out_speed=rated_power_and_cutout_speed_tuple[1])
        df = class_identifiler.run()
        df['year'] = df['time_stamp'].dt.year
        df['month'] = df['time_stamp'].dt.month
        df['day'] = df['time_stamp'].dt.day
        df['time_stamp'] = df['time_stamp'].apply(
            lambda x: x.strftime('%Y-%m-%d %H:%M:%S'))

        df['wind_turbine_name'] = str(origin_wind_name)

        if self.paths_and_table.save_zip:
            save_path = path.join(self.paths_and_table.get_save_path(), str(wind_col_name) + '.csv.gz')
        else:
            save_path = path.join(self.paths_and_table.get_save_path(), str(wind_col_name) + '.csv')
        create_file_path(save_path, is_file_path=True)
        if self.paths_and_table.save_zip:
            df.to_csv(save_path, compression='gzip', index=False, encoding='utf-8')
        else:
            df.to_csv(save_path, index=False, encoding='utf-8')

        self.set_statistics_data(df)

        del df
        trans_print("保存" + str(wind_col_name) + "成功")

    def mutiprocessing_to_save_file(self):
        # 开始保存到正式文件
        all_tmp_files = read_excel_files(self.paths_and_table.get_read_tmp_path())
        # split_count = self.pathsAndTable.multi_pool_count
        split_count = use_files_get_max_cpu_count(all_tmp_files)
        all_arrays = split_array(all_tmp_files, split_count)

        try:
            for index, arr in enumerate(all_arrays):
                with multiprocessing.Pool(split_count) as pool:
                    pool.starmap(self.save_to_csv, [(i,) for i in arr])
                update_trans_transfer_progress(self.paths_and_table.batch_no, self.paths_and_table.read_type,
                                               round(50 + 20 * (index + 1) / len(all_arrays), 2),
                                               self.paths_and_table.save_db)

        except Exception as e:
            trans_print(traceback.format_exc())
            message = "保存文件错误,系统返回错误:" + str(e)
            raise ValueError(message)

    def run(self):
        self.mutiprocessing_to_save_file()
        update_trans_transfer_progress(self.paths_and_table.batch_no, self.paths_and_table.read_type, 70,
                                       self.paths_and_table.save_db)