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200 lines
8.7 KiB
200 lines
8.7 KiB
#!/usr/bin/python
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#encoding=utf-8
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# author: tangwy
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import re,os,json,time
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import codecs
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from db2json import DBUtils
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from datetime import datetime, timedelta
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from ext_logging import logger_cron,get_clean_file_path,merge_large_file_path,logger_trace
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from file_helper import read_large_json_file,write_large_file,get_file_content,delete_frile,is_file_larger_than_500mb,merge_data_new
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from collections import defaultdict
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date_pattern = re.compile(r'^\d{8}-\d{4}\.json$')
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def get_all_files(path):
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# 列出所有包含匹配模式的文件名
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files = []
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for filename in os.listdir(path):
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if date_pattern.search(filename):
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files.append(filename)
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return files
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#对待合并文件进行分组
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def get_file_merge_array(filenames):
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# 创建一个defaultdict来存储分组的文件
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file_dict = defaultdict(list)
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for filename in filenames:
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date = filename[:8]
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file_dict[date].append(filename)
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file_dict = dict(file_dict)
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return file_dict
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# 将 2024-08-08.json 移动大文件目录下 等待入库前的合并【只移动前一天的文件】
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def mv_root_file_to_current(base_path,new_path):
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new_file_name = (datetime.now()-timedelta(days=1)).strftime("%Y%m%d-2359.json")
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old_file_name = (datetime.now()-timedelta(days=1)).strftime("%Y-%m-%d.json")
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old_full_path=os.path.join(base_path,old_file_name)
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new_full_path = os.path.join(new_path,new_file_name)
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if os.path.exists(old_full_path):
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if os.path.exists(new_full_path):
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logger_cron.error("MERGE_LARG_EFILE: 文件 "+new_full_path+"已经存在，任然移动会被覆盖")
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os.rename(old_full_path,new_full_path)
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#合并大于>500M的文件
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def merge_large_files(file_dict,base_path):
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# 遍历字典中的每一个键值对
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for date_str, files in file_dict.items():
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#20240721
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root_file_path = "{}-{}-{}.json".format(date_str[:4], date_str[4:6], date_str[6:])
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full_root_file_path = os.path.join(base_path,root_file_path)
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if len(files)>0:
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file_objs=[]
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file_full_path = []
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# 合并的数据存储变量
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merge_tmp_data = {}
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for filename in files:
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#20240721-0170.json
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full_path = os.path.join(base_path,filename)
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file_full_path.append(full_path)
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logger_cron.info("INSERT: 准备读取文件做合并"+full_path)
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tmp_data =read_large_json_file(full_path)
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logger_cron.info("INSERT: 数据量"+str(len(tmp_data)))
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file_objs.append(tmp_data)
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file_objs.append(merge_tmp_data)
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merge_tmp_data = merge_data_new(file_objs)
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logger_cron.info("INSERT: 合并完成"+full_path)
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#移除已经合并的数据
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del file_objs[:]
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#判断files目录是否存在结果文件 (2024-08-08.json)
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if os.path.exists(full_root_file_path):
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logger_cron.info("INSERT: 准备读取文件做合并"+full_root_file_path)
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root_data = read_large_json_file(full_root_file_path)
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logger_cron.info("INSERT: 数据量"+str(len(root_data)))
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file_objs.append(root_data)
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file_objs.append(merge_tmp_data)
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merge_tmp_data = merge_data_new(file_objs)
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logger_cron.info("INSERT: 合并完成"+full_root_file_path)
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logger_cron.info("INSERT: 准备写入合并的文件")
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######################问题排查
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key=get_file_content()
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if key in merge_tmp_data:
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logger_trace.info("largefilemerge:"+full_root_file_path+":"+key+":"+str(merge_tmp_data[key]))
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write_large_file(full_root_file_path,json.dumps(merge_tmp_data))
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logger_cron.info("INSERT: 写入合并文件完成")
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#准备删除合并文件
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for del_file in file_full_path:
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logger_cron.info("INSERT: 准备删除 "+del_file)
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delete_frile(del_file)
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#os.rename(del_file,del_file+".cmp")
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logger_cron.info("INSERT: 完成删除 "+del_file)
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#2024-08-23.json 换成20240823-1410 时分为当前时间的时分
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def get_new_file_name(old_file_path):
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file_name_with_ext = os.path.basename(old_file_path)
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file_name, file_extension = os.path.splitext(file_name_with_ext)
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sf=time.strftime("%H%M.json", time.localtime())
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new_name = file_name.replace("-","")
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res_name = new_name+"-"+sf
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return res_name
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#合并所有文件
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def merge_all_files(file_dict,base_path):
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# 遍历字典中的每一个键值对
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for date_str, files in file_dict.items():
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#20240721
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root_file_path = "{}-{}-{}.json".format(date_str[:4], date_str[4:6], date_str[6:])
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full_root_file_path = os.path.join(base_path,root_file_path)
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if len(files)>0:
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file_objs=[]
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file_full_path = []
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# 合并的数据存储变量
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merge_tmp_data = {}
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file_full_path = []
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for filename in files:
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#20240721-0170.json
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full_path = os.path.join(base_path,filename)
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file_full_path.append(full_path)
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logger_cron.info("FILE_MERGE: 准备读取文件做合并"+full_path)
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tmp_data =read_large_json_file(full_path)
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file_objs.append(tmp_data)
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file_objs.append(merge_tmp_data)
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merge_tmp_data = merge_data_new(file_objs)
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logger_cron.info("FILE_MERGE: 文件合并完成"+full_path)
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#移除已经合并的数据
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del file_objs[:]
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if os.path.exists(full_root_file_path):
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flag=is_file_larger_than_500mb(full_root_file_path)
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if flag:
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logger_cron.info("FILE_MERGE: 文件超过500M需要移动到merge_file目录"+full_root_file_path)
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large_file_root_path = merge_large_file_path()
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#新的文件名
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new_file_name = get_new_file_name(full_root_file_path)
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logger_cron.info("FILE_MERGE: 新文件名 "+new_file_name)
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large_file_path = os.path.join(large_file_root_path,new_file_name)
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logger_cron.info("FILE_MERGE: oldpath "+full_root_file_path)
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if os.path.exists(large_file_path):
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logger_cron.error("FILE_MERGE: 文件 "+large_file_path+"已经存在，任然移动会被覆盖")
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os.rename(full_root_file_path, large_file_path)
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logger_cron.info("FILE_MERGE: newpath "+large_file_path+"移动成功")
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else:
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logger_cron.info("FILE_MERGE: 文件小于500M需要参与合并"+full_root_file_path)
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root_data = read_large_json_file(full_root_file_path)
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file_objs.append(root_data)
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file_objs.append(merge_tmp_data)
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merge_tmp_data = merge_data_new(file_objs)
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###################问题排查
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key=get_file_content()
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if key in merge_tmp_data:
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logger_trace.info("filemerge:"+full_root_file_path+":"+key+":"+str(merge_tmp_data[key]))
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logger_cron.info("FILE_MERGE: 所有文件合并完成")
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write_large_file(full_root_file_path,json.dumps(merge_tmp_data))
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logger_cron.info("FILE_MERGE: 写入合并文件完成")
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#准备删除合并文件
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for del_file in file_full_path:
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logger_cron.info("FILE_MERGE: 准备删除 "+del_file)
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delete_frile(del_file)
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#os.rename(del_file,del_file+".cmp")
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logger_cron.info("FILE_MERGE: 完成删除 "+del_file)
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#每半小时执行的合并
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def entry():
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#清洗目录
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base_path = get_clean_file_path()
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#匹配待清洗的文件
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files = get_all_files(base_path)
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#对待清洗的文件进行分组
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file_dict =get_file_merge_array(files)
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#合并所有文件
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logger_cron.info("FILE_MERGE: 准备执行文件合并")
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merge_all_files(file_dict,base_path)
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#入库前执行的大文件合并
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def merge_large_entry():
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base_path = get_clean_file_path()
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#清洗目录
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new_base_path = merge_large_file_path()
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#将 2024-08-08.json 移动到merge_file目录下 等待入库前的合并
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mv_root_file_to_current(base_path,new_base_path)
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#匹配待清洗的文件
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files = get_all_files(new_base_path)
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logger_cron.info("INSERT: 待合并的文件"+json.dumps(files))
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#对待清洗的文件进行分组
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file_dict =get_file_merge_array(files)
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#合并所有文件
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logger_cron.info("INSERT: 准备执行文件合并")
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merge_large_files(file_dict,new_base_path)
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