[英]How do you solve the error message " 'class_name' object has no attribute 'driver' "
[英]How do you solve 'dict' object has no attribute 'write'?
我以前沒有使用過 JSON 文件,我想我可能只是對如何提取數據有點迷茫。這是我的代碼:
# Loads data on women breastfeeding in America from the web #
import urllib.request
import json
with urllib.request.urlopen("https://chronicdata.cdc.gov/views/8hxn-cvik/rows.json?accessType=DOWNLOAD") as web_data:
data = json.loads(web_data.read().decode())
json.dump(data, web_data)
我正在嘗試從互聯網上提取數據,因為鏈接本身是一個網頁視圖,而我的計算機拒絕讓我將其保存到我的計算機上。 我希望能夠操縱數據,但我遇到了幾個問題。 使用上面的代碼,我收到以下錯誤:
---------------------------------------------------------------------------
UnsupportedOperation Traceback (most recent call last)
<ipython-input-31-7f3487bc83ea> in <module>()
6 data = json.loads(web_data.read().decode())
7 #write_data=data.write()
----> 8 json.dump(data, web_data)
~\OneDrive\Documents\Python stuff\Pythonstuff\lib\json\__init__.py in dump(obj, fp, skipkeys, ensure_ascii, check_circular, allow_nan, cls, indent, separators, default, sort_keys, **kw)
178 # a debuggability cost
179 for chunk in iterable:
--> 180 fp.write(chunk)
181
182
UnsupportedOperation: write
我嘗試了以下方法,認為它與.read()有關:
import urllib.request
import json
with urllib.request.urlopen("https://chronicdata.cdc.gov/views/8hxn-cvik/rows.json?accessType=DOWNLOAD") as web_data:
data = json.loads(web_data.read().decode())
write_data=data.write()
json.dump(write_data, web_data)
然后我收到以下錯誤:
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-32-7ce187449c36> in <module>()
5 with urllib.request.urlopen("https://chronicdata.cdc.gov/views/8hxn-cvik/rows.json?accessType=DOWNLOAD") as web_data:
6 data = json.loads(web_data.read().decode())
----> 7 write_data=data.write()
8 json.dump(write_data, web_data)
AttributeError: 'dict' object has no attribute 'write'
有人可以幫我指出正確的方向嗎? 我不知道如何打開這個文件並開始操作數據。 我最終希望能夠從那里將一些東西操作到數據框中。
如果我正確理解您的問題,您想將數據寫入文件並將其保存在您的計算機中,對嗎? 然后你應該打開你想要寫入的文件(我在這里稱之為rows.json
):
import urllib.request
import json
with urllib.request.urlopen("https://chronicdata.cdc.gov/views/8hxn-cvik/rows.json?accessType=DOWNLOAD") as web_data:
data = json.loads(web_data.read().decode())
with open("rows.json", "w") as out_file:
json.dump(data, out_file)
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