fdr에서 미국 주식 종목코드대신 티커(Ticker)를 사용하면 ... - 인프런

파이썬 증권 데이터 수집과 분석으로 신호와 소음 찾기

fdr에서 미국 주식 종목코드대신 티커(Ticker)를 사용하면 에러가 납니다. 왜 그런가요?

작성

338

교수님

안녕하세요? 수업 너무 잘 듣고 있는 학생입니다. fdr에서 미국 주식 종목코드대신 티커(Ticker)를 사용하면 에러가 납니다. 왜 그럴까요? ㅠ

amd = fdr.DataReader("AMD", "2015", "2021") amd

---------------------------------------------------------

---------------------------------------------------------------------------
JSONDecodeError                           Traceback (most recent call last)
~\anaconda3\lib\site-packages\requests\models.py in json(self, **kwargs)
    909         try:
--> 910             return complexjson.loads(self.text, **kwargs)
    911         except JSONDecodeError as e:

~\anaconda3\lib\json\__init__.py in loads(s, cls, object_hook, parse_float, parse_int, parse_constant, object_pairs_hook, **kw)
    345             parse_constant is None and object_pairs_hook is None and not kw):
--> 346         return _default_decoder.decode(s)
    347     if cls is None:

~\anaconda3\lib\json\decoder.py in decode(self, s, _w)
    336         """
--> 337         obj, end = self.raw_decode(s, idx=_w(s, 0).end())
    338         end = _w(s, end).end()

~\anaconda3\lib\json\decoder.py in raw_decode(self, s, idx)
    354         except StopIteration as err:
--> 355             raise JSONDecodeError("Expecting value", s, err.value) from None
    356         return obj, end

JSONDecodeError: Expecting value: line 1 column 1 (char 0)

During handling of the above exception, another exception occurred:

JSONDecodeError                           Traceback (most recent call last)
~\AppData\Local\Temp/ipykernel_6068/1779725454.py in <module>
      4 # amd
      5 
----> 6 amd = fdr.DataReader("AMD", "2015", "2021")
      7 amd

~\anaconda3\lib\site-packages\FinanceDataReader\data.py in DataReader(symbol, start, end, exchange, data_source)
     39     # Investing
     40     reader = InvestingDailyReader
---> 41     df = reader(symbol, start, end, exchange, data_source).read()
     42     end = min([pd.to_datetime(end), datetime.today()])
     43     while len(df) and df.index[-1] < end: # issues/30

~\anaconda3\lib\site-packages\FinanceDataReader\investing\data.py in read(self)
     60         start_date_str = self.start.strftime('%m/%d/%Y')
     61         end_date_str = self.end.strftime('%m/%d/%Y')
---> 62         curr_id = self._get_currid_investing(self.symbol, self.exchange, self.data_source)
     63         if not curr_id:
     64             raise ValueError("Symbol unsupported or not found")

~\anaconda3\lib\site-packages\FinanceDataReader\investing\data.py in _get_currid_investing(self, symbol, exchange, data_source)
     28         }
     29         r = requests.post(url, data={'search_text': symbol}, headers=headers)
---> 30         jo = r.json()
     31         if len(jo['quotes']) == 0:
     32             raise ValueError(f"Symbol('{symbol}') not found")

~\anaconda3\lib\site-packages\requests\models.py in json(self, **kwargs)
    915                 raise RequestsJSONDecodeError(e.message)
    916             else:
--> 917                 raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
    918 
    919     @property

JSONDecodeError: [Errno Expecting value] <!DOCTYPE HTML>
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웹-크롤링 pandas python numpy 웹 스크래핑 plotly matplotlib seaborn

답변 1

박조은

지식공유자

안녕하세요.

코드에는 문제가 없어 보입니다.

실습에서 제공하고 있는 output.ipynb 파일을 colab 으로 열어서 실습해 보시겠어요?

로컬에서 오류가 나는 문제는 fdr의 일시적인 통신 문제 혹은 버전문제로 보여집니다.

다음의 코드를 실행해서 버전이 0.9.33 이상인지 확인해 보세요.

fdr.__version__

ilhalm

질문자

교수님

신속한 답변 감사드립니다. 버전도 이상 없고, 이상하게 진행이 안 되어서 일단 구글 콜렙으로 했습니다.

감사합니다!

Eunji

안녕하세요, 저도 정확히 같은 오류를 겪고 있는데 혹시 오류 해결이 되었을까요?

미국 주식 종목 티커를 넣을때만 해당 오류가 납니다.

JSONDecodeError                           Traceback (most recent call last)
File ~\anaconda3\lib\site-packages\requests\models.py:910, in Response.json(self, **kwargs)
    909 try:
--> 910     return complexjson.loads(self.text, **kwargs)
    911 except JSONDecodeError as e:
    912     # Catch JSON-related errors and raise as requests.JSONDecodeError
    913     # This aliases json.JSONDecodeError and simplejson.JSONDecodeError

File ~\anaconda3\lib\json\__init__.py:346, in loads(s, cls, object_hook, parse_float, parse_int, parse_constant, object_pairs_hook, **kw)
    343 if (cls is None and object_hook is None and
    344         parse_int is None and parse_float is None and
    345         parse_constant is None and object_pairs_hook is None and not kw):
--> 346     return _default_decoder.decode(s)
    347 if cls is None:

File ~\anaconda3\lib\json\decoder.py:337, in JSONDecoder.decode(self, s, _w)
    333 """Return the Python representation of ``s`` (a ``str`` instance
    334 containing a JSON document).
    335 
    336 """
--> 337 obj, end = self.raw_decode(s, idx=_w(s, 0).end())
    338 end = _w(s, end).end()

File ~\anaconda3\lib\json\decoder.py:355, in JSONDecoder.raw_decode(self, s, idx)
    354 except StopIteration as err:
--> 355     raise JSONDecodeError("Expecting value", s, err.value) from None
    356 return obj, end

JSONDecodeError: Expecting value: line 1 column 1 (char 0)

During handling of the above exception, another exception occurred:

JSONDecodeError                           Traceback (most recent call last)
Input In [20], in <cell line: 1>()
----> 1 df = fdr.DataReader('AAPL', '2018-01-01', '2018-03-30')
      2 df.tail()

File ~\anaconda3\lib\site-packages\FinanceDataReader\data.py:41, in DataReader(symbol, start, end, exchange, data_source)
     39 # Investing
     40 reader = InvestingDailyReader
---> 41 df = reader(symbol, start, end, exchange, data_source).read()
     42 end = min([pd.to_datetime(end), datetime.today()])
     43 while len(df) and df.index[-1] < end: # issues/30

File ~\anaconda3\lib\site-packages\FinanceDataReader\investing\data.py:52, in InvestingDailyReader.read(self)
     50 def read(self):
     51     start, end = self.start, self.end
---> 52     curr_id = self._get_currid_investing(self.symbol, self.exchange)
     53     if not curr_id:
     54         raise ValueError("Symbol unsupported or not found")

File ~\anaconda3\lib\site-packages\FinanceDataReader\investing\data.py:21, in InvestingDailyReader._get_currid_investing(self, symbol, exchange)
     19 url = f'https://api.investing.com/api/search/v2/search?q={symbol}'
     20 r = requests.get(url, headers={'user-agent':'Mozilla/5.0', 'domain-id': 'en', 'dnt': '1'})
---> 21 jo = r.json()
     22 # print(json.dumps(jo['quotes'], indent=4))
     24 if len(jo['quotes']) == 0:

File ~\anaconda3\lib\site-packages\requests\models.py:917, in Response.json(self, **kwargs)
    915     raise RequestsJSONDecodeError(e.message)
    916 else:
--> 917     raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)

JSONDecodeError: [Errno Expecting value] <!DOCTYPE html>
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인프런 커뮤니티 질문&답변

fdr에서 미국 주식 종목코드대신 티커(Ticker)를 사용하면 에러가 납니다. 왜 그런가요?