Question

软件堆栈版本：

Spyder 3.2.4
Python 3.5
Zipline 1.1.1
OSX El capitan

从终端运行Zipline时只是试一试：

$ zipline run -f buyapple.py --start 2000-1-1 --end 2014-1-1 -o    buyapple_out.pickle

出现以下错误：

[2017-12-06 13:17:02.124791] INFO: Loader: Cache at /.../.zipline/data/SPY_benchmark.csv does not have data from 1990-01-02    00:00:00+00:00 to 2017-12-04 00:00:00+00:00.

[2017-12-06 13:17:02.136427] INFO: Loader: Downloading benchmark data for 'SPY' from 1989-12-29 00:00:00+00:00 to 2017-12-04 00:00:00+00:00
Traceback (most recent call last):
   File "/Users/newuer/anaconda3/bin/zipline", line 11, in <module>
load_entry_point('zipline==1.1.1', 'console_scripts', 'zipline')()
   File "/Users/newuer/anaconda3/lib/python3.5/site-packages/click/core.py", line 722, in __call__
return self.main(*args, **kwargs)
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/click/core.py", line 697, in main
rv = self.invoke(ctx)
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/click/core.py", line 1066, in invoke
  return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/click/core.py", line 895, in invoke
  return ctx.invoke(self.callback, **ctx.params)
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/click/core.py", line 535, in invoke
   return callback(*args, **kwargs)
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/zipline/__main__.py", line 97, in _
  return f(*args, **kwargs)
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/click/decorators.py", line 17, in new_func
  return f(get_current_context(), *args, **kwargs)
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/zipline/__main__.py", line 240, in run
environ=os.environ,
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/zipline/utils/run_algo.py", line 132, in _run
  env = TradingEnvironment(asset_db_path=connstr, environ=environ)
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/zipline/finance/trading.py", line 99, in __init__
self.bm_symbol,
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/zipline/data/loader.py", line 166, in load_market_data
environ,
  File "/Users/newuer/anaconda3/lib/python3.5/site-packages/zipline/data/loader.py", line 230, in ensure_benchmark_data
last_date,
 File "/Users/newuer/anaconda3/lib/python3.5/site-packages/zipline/data/benchmarks.py", line 50, in get_benchmark_returns
last_date
 File "/Users/newuer/anaconda3/lib/python3.5/site-packages/pandas_datareader/data.py", line 137, in DataReader
session=session).read()
 File "/Users/newuer/anaconda3/lib/python3.5/site-packages/pandas_datareader/base.py", line 181, in read
params=self._get_params(self.symbols))
 File "/Users/newuer/anaconda3/lib/python3.5/site-packages/pandas_datareader/base.py", line 79, in _read_one_data
 out = self._read_url_as_StringIO(url, params=params)
 File "/Users/newuer/anaconda3/lib/python3.5/site-packages/pandas_datareader/base.py", line 98, in _read_url_as_StringIO
 out.write(bytes_to_str(text))
 File "/Users/newuer/anaconda3/lib/python3.5/site-packages/pandas/compat/__init__.py", line 72, in bytes_to_str
  return b.decode(encoding or 'utf-8')
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xfc in position 18112: invalid start byte

我还尝试将SPY_benchmark_data.csv直接放在.zipline / data /文件夹中，但仍然会产生错误。

我也尝试过干净安装conda和python env 3.4 - 同样的问题。

Zipline buyapple教程 - UnicodeDecodeError

0 个答案: