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export.py
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93 lines (79 loc) · 2.44 KB
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# encoding: utf-8
__author__ = 'zhanghe'
import json
import time
import os
from datetime import datetime, date
class ExportBulk(object):
"""
导出bulk文件工具类
"""
def __init__(self, index_name, type_name, file_name=None):
self._index = index_name
self._type = type_name
if file_name is None:
file_name = './es_%s_%s_%s.bulk' % (index_name, type_name, time.time())
file_path = os.path.dirname(file_name)
if not os.path.isdir(file_path):
os.mkdir(file_path)
self.bulk_fp = open(file_name, 'a')
@staticmethod
def __default(obj):
"""
支持datetime的json encode
TypeError: datetime.datetime(2015, 10, 21, 8, 42, 54) is not JSON serializable
:param obj:
:return:
"""
if isinstance(obj, datetime):
return obj.strftime('%Y-%m-%d %H:%M:%S')
elif isinstance(obj, date):
return obj.strftime('%Y-%m-%d')
else:
raise TypeError('%r is not JSON serializable' % obj)
def write(self, index_id, body):
"""
文件写入
"""
self.bulk_fp.write(json.dumps({"index": {"_index": self._index, '_type': self._type, '_id': index_id}})+"\n")
self.bulk_fp.write(json.dumps(body, ensure_ascii=False, default=self.__default)+"\n")
def close(self):
"""
关闭文件资源
"""
self.bulk_fp.close()
class ExportFile(object):
"""
导出json/csv文件工具类
"""
def __init__(self, file_name=None):
if file_name is None:
file_name = 'json_%s.json' % time.time()
file_path = os.path.dirname(file_name)
if not os.path.isdir(file_path):
os.mkdir(file_path)
self.json_fp = open(file_name, 'a')
def write(self, data, file_type='json'):
"""
文件写入
"""
if file_type == 'json':
self.json_fp.write(json.dumps(data).decode('raw_unicode_escape')+"\n")
if file_type == 'csv':
self.json_fp.write(','.join(data)+"\n")
def close(self):
"""
关闭文件资源
"""
self.json_fp.close()
def test_bulk():
"""
测试ExportBulk
"""
export_bulk = ExportBulk('service', 'provider')
test_id = '1'
test_body = {'a': '001', 'b': '002'}
export_bulk.write(test_id, test_body)
export_bulk.close()
if __name__ == '__main__':
test_bulk()