启动VN Station 加密策略文件成功了。
但尝试了一下,加密非策略文件,譬如加密回测的backtesting.py,报错,加密vnpy/app/cta_strategy/ 中的engine.py文件也报类似的错误。
请问是什么原因?
c:\vnstudio\lib\site-packages\Cython\Compiler\Main.py:369: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: C:\vnstudio\Lib\site-packages\vnpy\app\cta_strategy\backtesting.py
tree = Parsing.p_module(s, pxd, full_module_name)
Error compiling Cython file:
------------------------------------------------------------
...
def write_log(self, msg: str, strategy: CtaTemplate = None):
"""
Write log message.
"""
msg = f"{self.datetime}\t{msg}"
^
------------------------------------------------------------
Lib\site-packages\vnpy\app\cta_strategy\backtesting.py:1057:14: Cannot convert Unicode string to 'str' implicitly. This is not portable and requires explicit encoding.
Traceback (most recent call last):
File "c:\vnstudio\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "c:\vnstudio\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "c:\vnstudio\Scripts\easycython.exe\__main__.py", line 9, in <module>
File "c:\vnstudio\lib\site-packages\begin\main.py", line 54, in start
collector=self._collector)
File "c:\vnstudio\lib\site-packages\begin\cmdline.py", line 253, in apply_options
return_value = call_function(func, signature(ext), opts)
File "c:\vnstudio\lib\site-packages\begin\cmdline.py", line 236, in call_function
return func(*pargs, **kwargs)
File "c:\vnstudio\lib\site-packages\easycython\easycython.py", line 77, in main
ext_modules = cythonize(ext_modules),
File "c:\vnstudio\lib\site-packages\Cython\Build\Dependencies.py", line 1102, in cythonize
cythonize_one(*args)
File "c:\vnstudio\lib\site-packages\Cython\Build\Dependencies.py", line 1225, in cythonize_one
raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError: C:/vnstudio/Lib/site-packages/vnpy/app/cta_strategy/backtesting.py
Compiling C:/vnstudio/Lib/site-packages/vnpy/app/cta_strategy/backtesting.py because it changed.
[1/1] Cythonizing C:/vnstudio/Lib/site-packages/vnpy/app/cta_strategy/backtesting.py
加密失败。