[英]Importing and Exporting Nested Dictionary to Excel in an Easy-to-Edit-and-Read Way
[英]Creating an easy way to read a JSON object saved in a complex, nested python dictionary
我有一个从API中提取的JSON对象。 我将JSON数据提取到python字典中。 我现在发现很难从字典中提取数据,因为它是嵌套的并且具有子列表和子字典。 为了更好地了解提取的数据的性质,我尝试了以下操作:
url = "https://api.xyz.com/v11/api.json?KEY=abc&LOOKUP=bbb"
response = requests.get(url)
data = response.json()
print (type(data))
print(data.keys())
print (type(data['Results']))
print (len(data['Results']))
print (type(data['Results'][0]))
print (data['Results'][0].keys())
print (type(data['Results'][0]['Result']))
print ((data['Results'][0]['Result'].keys()))
print (type((data['Results'][0]['Result']['Paths'])))
print (len((data['Results'][0]['Result']['Paths'])))
print (type((data['Results'][0]['Result']['Paths'][0])))
print ((data['Results'][0]['Result']['Paths'][0].keys()))
print (type(data['Results'][0]['Result']['Paths'][0]['Technologies']))
print (len(data['Results'][0]['Result']['Paths'][0]['Technologies']))
print ((data['Results'][0]['Result']['Paths'][0]['Technologies'][8].keys()))
print (data['Results'][0]['Result']['Paths'][0]['Technologies'][8]['Tag'])
从上面,我得到以下输出:
<class 'dict'>
dict_keys(['Results', 'Errors'])
<class 'list'>
1
<class 'dict'>
dict_keys(['Lookup', 'LastIndexed', 'FirstIndexed', 'Meta', 'Result'])
<class 'dict'>
dict_keys(['Paths', 'IsDB', 'Spend'])
<class 'list'>
9
<class 'dict'>
dict_keys(['LastIndexed', 'Technologies', 'Domain', 'SubDomain', 'FirstIndexed', 'Url'])
<class 'list'>
77
dict_keys(['FirstDetected', 'Name', 'LastDetected', 'Categories', 'Description', 'IsPremium', 'Tag', 'Link'])
cdn
从其他迭代中,我知道根据“路径”之后选择的列表项,“技术”的列表长度可以在5 -100之间变化。 我对获取“标签” == A的所有技术的列表特别感兴趣。我希望能够创建一个表,其中包含“标签” == A的所有条目的所有上层信息。理想情况下,我想在CSV文件中获取此信息。 我已经看过嵌套字典中的Pandas数据帧,并在Python中创建了具有列表理解的字典,并从嵌套字典中的项构造了pandas DataFrame,但是在访问列表时(特别是在“路径”之后)感到困惑。
到目前为止,我拥有的代码只是将数据简单地转储到CSV中,因为所有数据都进入一个单元格并且根本无法使用,所以根本没有用。
所以我想出了一种方法。 下面的代码。
import json
import requests
import pandas
domaindict = {}
tech_info = {}
tag = 'mobile'
'''For every domain, pulls the api response, stores in dictionary, and gets dataframe
with technology info by calling the get_paths and set_df functions'''
def get_info(d):
url = "https://api.xyz.com/v11/api.json?KEY=abc&LOOKUP={}".format(d)
response = requests.get(url)
data = response.json()
domaindict[d] = data
paths = get_paths(d)
final_info = set_df(paths)
return final_info
'''Gets the list of paths for a domain'''
def get_paths(d):
paths = domaindict[d]['Results'][0]['Result']['Paths']
return paths
'''Sets up dataframe to get info at the technology level. Loops through the technology list and path lists.'''
def set_df(paths):
df_m = pandas.DataFrame({'Domain':[],'Url':[],'Subdomain':[],'Technology Name':[],'Technology Description':[],'Technology Tag':[]})
for path in paths:
domain_name = path['Domain']
url = path['Url']
subdomain = path['SubDomain']
techs = path['Technologies']
for tech in techs:
tech_name = tech['Name']
tech_desc = tech['Description']
tech_tag = tech['Tag']
df = pandas.DataFrame({'Domain':[domain_name], 'Url':[url], 'Subdomain':[subdomain],
'Technology Name':[tech_name],
'Technology Description': [tech_desc],
'Technology Tag': [tech_tag]})
df_m = df_m.append(df)
return df_m
'''loops through the csv file with list of domain names, calls the get_info function and saves dataframe with technology info for
every domain in one file'''
read_domains = pandas.read_excel('domain.xlsx', header = None)
df_f = pandas.DataFrame()
for d in read_domains.values:
print(d[0])
df_i = get_info(d[0])
df_f = df_f.append(df_i)
with pandas.ExcelWriter('mobile.xlsx') as w:
df_f.to_excel(w,'mobile')
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