Question

我正在尝试从API库中获取特定数据：

import urllib2
import json
import csv

c = csv.writer(open("analysis output.csv", "wb"))

urlIncomeStatement = 'http://dev.c0l.in:5984/income_statements/_all_docs'
apiIncomeStatement = urllib2.urlopen(urlIncomeStatement)
dataIncomeStatement = json.load(apiIncomeStatement)

urlFinancialPosition = 'http://dev.c0l.in:5984/financial_positions/'
apiFinancialPosition = urllib2.urlopen(urlFinancialPosition)
dataFinancialPosition = json.load(apiFinancialPosition)


for item in dataIncomeStatement['rows']:
    url = 'http://dev.c0l.in:5984/income_statements/' + item['id']
    api = urllib2.urlopen(url)
    data = json.load(api)
    for item in data['company']:
        print item['name']

当脚本启动时，我得到：

Traceback (most recent call last):
  File "C:\Users\gnite_000\Documents\BIT course 1\github\1415-bit-project2-parveen-group-01\extendedAPI.py", line 21, in <module>
    print item['name']
TypeError: string indices must be integers

如果从['name']中删除item['name']，则脚本可以正常运行并打印出数据。为什么以及如何使其发挥作用？对于不同的API，我有完全相同的脚本，工作正常。

P.S。：我正在寻找的数据是：

{"_id":"30e901a7b7d8e98328dcd77c3600fa43","_rev":"1-689f7618387b071a0107a69fe24e410d","id":26,"sector":"services","company":{"name":"Abatz","non_current_assets":1300369.5,"current_assets":1323444.5900000000838,"equity":867440.68000000005122,"non_current_liabilities":376096.35999999998603,"current_liabilities":512456.94000000000233},"date":"2012-10-31"}

Answer 1

company是单个词典，而不是列表。所以你不需要迭代它：只做print data['company']['name']。

TypeError：从API获取数据时，字符串索引必须是整数

1 个答案: