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- # coding=utf-8
- import datetime
- import multiprocessing
- import os
- import sys
- sys.path.insert(0, os.path.abspath(__file__).split("utils")[0])
- import pandas as pd
- from utils.file.trans_methods import read_file_to_df, read_excel_files
- def get_time_space_count(start_time: datetime.datetime, end_time: datetime.datetime, time_space=1):
- """
- 获取俩个时间之间的个数
- :return: 查询时间间隔
- """
- delta = end_time - start_time
- total_seconds = delta.days * 24 * 60 * 60 + delta.seconds
- return abs(int(total_seconds / time_space)) + 1
- def save_percent(value, save_decimal=7):
- return round(value, save_decimal) * 100
- def read_and_select(file_path):
- try:
- result_df = pd.DataFrame()
- df = read_file_to_df(file_path)
- read_cols_bak = df.columns.tolist()
- wind_name = df['名称'].values[0]
- df['时间'] = pd.to_datetime(df['时间'])
- count = get_time_space_count(df['时间'].min(), df['时间'].max(), 60)
- repeat_time_count = df.shape[0] - len(df['时间'].unique())
- print(wind_name, count, repeat_time_count)
- result_df['风机号'] = [wind_name]
- result_df['重复率'] = [save_percent(repeat_time_count / count)]
- result_df['重复次数'] = [repeat_time_count]
- result_df['总记录数'] = [count]
- read_cols_bak.remove('名称')
- read_cols = list()
- for read_col in read_cols_bak:
- if read_col == '时间':
- df[read_col] = pd.to_datetime(df[read_col], errors='coerce')
- read_cols.append(read_col)
- else:
- df[read_col] = pd.to_numeric(df[read_col], errors='coerce')
- if not df[read_col].isnull().all():
- read_cols.append(read_col)
- group_df = df.groupby(by=['名称']).count()
- group_df.reset_index(inplace=True)
- count_df = pd.DataFrame(group_df)
- total_count = count_df[read_cols].values[0].sum()
- print(wind_name, total_count, count * len(read_cols))
- result_df['平均缺失率,单位%'] = [save_percent(1 - total_count / (count * len(read_cols)))]
- result_df['缺失数值'] = [
- '-'.join([f'{col_name}_{str(count - i)}' for col_name, i in zip(read_cols, count_df[read_cols].values[0])])]
- del group_df
- error_fengsu_count = df.query("(风速 < 0) | (风速 > 80)").shape[0]
- error_yougong_gonglv = df.query("(发电机有功功率 < -200) | (发电机有功功率 > 2500)").shape[0]
- result_df['平均异常率'] = [save_percent((error_fengsu_count + error_yougong_gonglv) / (2 * count))]
- except Exception as e:
- print(file_path)
- raise e
- return result_df
- if __name__ == '__main__':
- read_dir = r'D:\data\tmp_data\1分\远景1min'
- files = read_excel_files(read_dir)
- with multiprocessing.Pool(4) as pool:
- dfs = pool.map(read_and_select, files)
- df = pd.concat(dfs, ignore_index=True)
- df.sort_values(by=['风机号'], inplace=True)
- df.to_csv("神木风电场-1分钟.csv", encoding='utf8', index=False)
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