無法使用python讀取json文件。獲取類型錯誤:json對象為“ TextIOWrapper”
json.load()用于加載文件。json.loads()與字符串一起使用。
解決方法我正在嘗試從json文件讀取。
這是我創建文件的方式:
import requestsimport jsonimport timefrom pprint import pprintBASE_URL = 'https://www.wikiart.org/en/api/2/UpdatedArtists'artist_json_data = requests.get(BASE_URL).json()with open(’artistdata.json’,’w’) as outfile: while artist_json_data[’hasMore’]:print(artist_json_data[’paginationToken’])url = BASE_URL + '?paginationToken=' +artist_json_data[’paginationToken’]artist_json_data = requests.get(url).json()json.dump(artist_json_data,outfile,indent=4)time.sleep(1)
這是我輸出的開始:
{ 'data': [{ 'id': '57726da5edc2cb3880b4ca54','artistName': 'Paul Feeley','url': 'paul-feeley','lastNameFirst': 'Feeley Paul','birthDay': '/Date(-1893456000000)/','deathDay': '/Date(-126230400000)/',
當我嘗試使用以下代碼讀取同一文件時:
from pprint import pprintwith open(’artistdata.json’,’r’,encoding=’utf-8’) as data_file:data = json.loads(data_file) pprint(data)
我得到錯誤
TypeError: the JSON object must be str,bytes or bytearray,not ’TextIOWrapper’
我不明白,因為我可以像往常一樣崇高地打開文件。我該如何處理?
使用以下代碼解決了該問題:問題是我混合了轉儲和負載。現在我正在使用轉儲和加載
class Wikiart: ’’’Class to access wikiart.org Data’’’ def __init__(self):self.BASE_URL = 'https://www.wikiart.org/en/'self.BASE_URL_API = self.BASE_URL + 'api/2/'self.BASE_URL_MOVEMENT = self.BASE_URL + ’artists-by-art-movement/’self.ARTIST_DATA_URL = self.BASE_URL_API + 'UpdatedArtists' def write_artist_data_into_json_file(self): artists = requests.get(ARTIST_DATA_URL).json() all_artists = artists[’data’] with open(’artistdata.json’,’w’) as outfile:while artists[’hasMore’]: print(’fetching next: pagination token’,artists[’paginationToken’]) url = BASE_URL + '?paginationToken=' + artists[’paginationToken’] artists_next_page = requests.get(url).json() next_artists = artists_next_page[’data’] time.sleep(0.25) all_artists = all_artists + next_artists artists = artists_next_pagejson.dump(all_artists,indent=4)from pprint import pprintwith open(’artistdata.json’,encoding=’utf-8’) as data_file:data = json.load(data_file) pprint(data)
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