如何根据名称从列表中获取重复项答案

【问题标题】：How to get the duplicates from the lists based on name如何根据名称从列表中获取重复项
【发布时间】：2023-03-16 09:06:01
【问题描述】：

我正在从服务器访问一些文件并打印结果，但是如何根据打印结果中的名称获取重复项。

from datetime import datetime
class EsriApiMaps:

    def __init__(self, portal, item_type, query):
        self.item_type = item_type
        self.query_ = query
        self.portal = portal

    def query_maps(self):
        api_query_result = self.portal.content.search(query=self.query_, item_type=self.item_type)
        l = [] # we will store all the services e,g url,id,owner etc


        for l in api_query_result:
            l_created_time = datetime.fromtimestamp(round(l.created / 1000))
            l_modified_time = datetime.fromtimestamp(round(l.modified / 1000))
            df = ("Name: " + l.title + "ID: " + l.id + ", Owner: " + l.owner + ", Created: " + str(l_created_time) + ", Modified: " + str(l_modified_time))
            print(df)

我已经尝试过这个以获得以下结果，

Name: KL, ID: af57c454, Owner: Scripter, Created: 2019-10-08 12:57:45, Modified: 2019-10-08 12:57:45
Name: KL, ID: dfsjd5s4, Owner: d011, Created: 2020-10-27 21:02:54, Modified: 2020-10-27 21:02:54
Name: TEAM, ID: b8djx8, Owner: j277, Created: 2019-10-08 12:52:54, Modified: 2019-10-08 12:52:54
Name: ALL, ID: b896sfd, Owner: rp10, Created: 2019-10-11 14:51:38, Modified: 2019-10-11 14:51:38
Name: MD, ID: dhx865, Owner: ws07, Created: 2019-10-08 15:17:59, Modified: 2019-10-08 15:17:59
Name: AJKL, ID: dhsa88, Owner: fsdd, Created: 2020-07-23 16:04:20, Modified: 2020-07-23 16:04:20
Name: MD, ID: sd5425, Owner: fsdd, Created: 2021-02-02 11:43:15, Modified: 2021-02-02 11:43:15
Name: MD, ID: vcxb65, Owner: dsff1, Created: 2020-06-17 10:56:36, Modified: 2020-06-17 10:56:36

我试过用，

names = df.Name.value_counts()
names[names>1]

但我收到此错误 AttributeError: 'str' object has no attribute 'Name'

如何根据名称获取重复项？

预期的结果是

Name: KL, ID: af57c454, Owner: Scripter, Created: 2019-10-08 12:57:45, Modified: 2019-10-08 12:57:45
Name: KL, ID: dfsjd5s4, Owner: d011, Created: 2020-10-27 21:02:54, Modified: 2020-10-27 21:02:54
Name: MD, ID: sd5425, Owner: fsdd, Created: 2021-02-02 11:43:15, Modified: 2021-02-02 11:43:15
Name: MD, ID: vcxb65, Owner: dsff1, Created: 2020-06-17 10:56:36, Modified: 2020-06-17 10:56:36
Name: MD, ID: dhx865, Owner: ws07, Created: 2019-10-08 15:17:59, Modified: 2019-10-08 15:17:59

【问题讨论】：

df 它是一个字符串，而不是数据框，您应该使用 API 查询的结果创建一个数据框，然后您可以使用 de 数据框方法。
@Xavi，我正在使用这个 l = [] 从 API 查询中获取 url，并使用 url 我得到创建和修改的时间，如果我将它转换为数据帧我该怎么办那？？我试图将 df 转换为数据框，但出现错误 ValueError: DataFrame constructor not proper called!

标签： python string list dataframe duplicates

【解决方案1】：

df 它是一个字符串，而不是数据框，您应该使用 API 查询的结果创建一个数据框，然后您可以使用 de 数据框方法。

您可以使用结果创建一个列表，然后用它初始化数据框。

def query_maps(self):
        api_query_result = self.portal.content.search(query=self.query_, item_type=self.item_type)
        data = []

        for l in api_query_result:
            l_created_time = datetime.fromtimestamp(round(l.created / 1000))
            l_modified_time = datetime.fromtimestamp(round(l.modified / 1000))
            data.append({"Name": l.title, "ID": l.id, "Owner": l.owner, "Created": str(l_created_time), "Modified": str(l_modified_time)})
        df = pd.Dataframe(data)

【讨论】：