[英]Pandas: Compare dataframe with csv file and update the csv file
我有以下 ddataframe
domain hostname ip address status managed by monitor target name
0 jetty.com aabb XXX.XX.XX.XXX Deployed Sec Team aabb.jetty.com
1 jetty.com axcd XXX.XX.XX.XXX Deployed Sec Team axcd.jetty.com
現在我有另一個 csv 文件報告。csv
"domain","hostname","ip address","managed by", "monitor target name"
"jetty.com","aabb","XXX.XX.XX.XXX", "Decreased","OP Team", "aabb.jetty.com"
"jetty.com","axcd","XXX.XX.XX.XXX", "Decreased","OP2 Team", "axcd.jetty.com"
"jetty.com","appd","XXX.XX.XX.XXX", "Dec","OP8 Team", "appd.jetty.com"
現在我想將 df 與此 csv 進行比較,然后將 csv 更新為以下
"domain","hostname","ip address","managed by", "monitor target name"
"jetty.com","aabb","XXX.XX.XX.XXX", "Deployed","OP Team", "aabb.jetty.com"
"jetty.com","axcd","XXX.XX.XX.XXX", "Deployed","OP Team", "axcd.jetty.com"
"jetty.com","appd","XXX.XX.XX.XXX", "Dec","OP8 Team", "appd.jetty.com"
現在它已更新並且看起來與 df 中的相同
如何根據 df 值更新 csv 但不修改 csv 中已經存在的其他行
利用:
df2 = pd.read_csv('reporst.csv')
df1 = ddataframe.set_index(['domain','hostname','ip address'])
df2 = reporst.set_index(['domain','hostname','ip address'])
df2.update(df1)
df2.to_csv('out.csv')
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