如何摄取 Quandl

Question

我目前正在学习一本书（Trading Evolved）来学习算法交易，但我被困在摄取 qudal 上，我现在该怎么办。我试图找到答案，但找不到任何解决方案。请帮忙

'''(zip35) C:\Users\jayan>zipline ingest -b quandl
Traceback (most recent call last):
   File "C:\Users\jayan\anaconda3\envs\zip35\Scripts\zipline-script.py", line 33, in <module>
      sys.exit(load_entry_point('zipline==1.4.1', 'console_scripts', 'zipline')())
   File "C:\Users\jayan\anaconda3\envs\zip35\Scripts\zipline-script.py", line 25, in 
      importlib_load_entry_point
   return next(matches).load()
   File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\importlib_metadata\__init__.py", line 
     100, in load
   module = import_module(match.group('module'))
   File "C:\Users\jayan\anaconda3\envs\zip35\lib\importlib\__init__.py", line 126, in import_module
   return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 941, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\zipline\__init__.py", line 29, in 
  <module>
 from .utils.run_algo import run_algorithm
 File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\zipline\utils\run_algo.py", line 20, in 
 <module>
 from zipline.data import bundles
 File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\zipline\data\bundles\__init__.py", line 
  2, in <module>
 from . import quandl  # noqa
 File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\zipline\data\bundles\quandl.py", line 
  16, in <module>
from . import core as bundles
File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\zipline\data\bundles\core.py", line 15, 
 in <module>
from ..minute_bars import (
File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\zipline\data\minute_bars.py", line 30, in 
 <module>
import tables
File "C:\Users\jayan\anaconda3\envs\zip35\lib\site-packages\tables\__init__.py", line 99, in <module>
from .utilsextension import (

ImportError: DLL load failed: The specified module could not be found.'''

感谢任何回复此问题的人。

Answer 1

通常，当 Python 包中缺少 DLL 时，这是由于缺少 C++ 可再发行组件：

https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads