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這篇文章主要介紹了如何對(duì)python讀寫(xiě)文件去重,具有一定借鑒價(jià)值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
如下所示:
# -*- coding:utf-8 -*- from datetime import datetime import re def Main(): sourcr_dir = '/data/u_lx_data/fudan/muying/muying_11yue_all.txt' target_dir = '/data/u_lx_data/fudan/muying/python/uid_regular_get.txt' uset = set() #去重 print("開(kāi)始。。。。。") print(datetime.now().strftime('%Y-%m-%d %H:%M:%S')) with open(target_dir, 'w+') as f_write: with open(sourcr_dir, 'r') as f_scorce: for line in f_scorce: line = line.strip().split("\t") # 寶寶樹(shù) if line[2] == 'babytree.com': uidList = re.findall(r'.*NL=u%02(u\d+)', line[3], re.I) if uidList: # 去重代碼 if uidList[0] not in uset: f_write.write(uidList[0] + "\n") uset.add(uidList[0]) print("寶寶樹(shù)已完成") # 柚寶寶 elif line[2] == 'youzibuy.com': if line[4].find("yunqi.youzibuy.com/tae_top_notify") != -1: uidList = re.findall(r'.*myuid=(\d+)', line[4], re.I) if uidList: if uidList[0] not in uset: f_write.write(uidList[0] + "\n") uset.add(uidList[0]) print("柚寶寶已完成") # 媽媽幫 elif line[2] == 'mmbang.com': uidList = re.findall(r'.*uid=(\d+)', line[3], re.I) if uidList: if uidList[0] not in uset: f_write.write(uidList[0] + "\n") uset.add(uidList[0]) print("媽媽幫已完成") # 媽媽網(wǎng) elif line[2] == 'mama.cn': if line[4].find("mapi.mama.cn/feed/users/show") != -1: uidList = re.findall(r'.*friend_uid=(\d+)', line[4], re.I) if uidList: if uidList[0] not in uset: f_write.write(uidList[0] + "\n") uset.add(uidList[0]) if line[4].find("mamaquan/mmq_thread") != -1: uidList = re.findall(r'.*uid=(\d+)', line[4], re.I) if uidList: if uidList[0] not in uset: f_write.write(uidList[0] + "\n") uset.add(uidList[0]) print("媽媽網(wǎng)已完成") # 育兒網(wǎng) elif line[2] == 'ci123.com': uidList = re.findall(r'.*ci123js=([a-zA-Z]+\d+)', line[3], re.I) if uidList: if uidList[0] not in uset: f_write.write(uidList[0] + "\n") uset.add(uidList[0]) print("育兒網(wǎng)已完成") print("完成。。。。。") print(datetime.now().strftime('%Y-%m-%d %H:%M:%S')) if __name__ == "__main__": Main()
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