最简单的问句就报错了。query_iwencai("市值>1000亿，日成交额>30亿，换手率大于4.5%")
---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
/opt/conda/lib/python3.8/site-packages/mgquant_mod_mindgo/data/trading_dates_store.pyc in __init__(self, f, table, process_fn)
/opt/conda/lib/python3.8/site-packages/bcolz/toplevel.py in open(rootdir, mode)
139 else:
--> 140 return bcolz.carray(rootdir=rootdir, mode=mode)
141
bcolz/carray_ext.pyx in bcolz.carray_ext.carray.__cinit__()
bcolz/carray_ext.pyx in bcolz.carray_ext.carray._read_meta()
FileNotFoundError: [Errno 2] No such file or directory: '/home/jovyan/backtest-data/mgquant/stock/trading_dates.bcolz/meta/sizes'
During handling of the above exception, another exception occurred:
OSError Traceback (most recent call last)
/opt/conda/lib/python3.8/site-packages/IPython/core/interactiveshell.py in transform_cell(self, raw_cell)
3207 # use prefilter_lines to handle trailing newlines
3208 # restore trailing newline for ast.parse
-> 3209 cell = self.prefilter_manager.prefilter_lines(cell) + '\n'
3210
3211 lines = cell.splitlines(keepends=True)
/opt/conda/lib/python3.8/site-packages/IPython/core/prefilter.py in prefilter_lines(self, lines, continue_prompt)
333 for lnum, line in enumerate(llines) ])
334 else:
--> 335 out = self.prefilter_line(llines[0], continue_prompt)
336
337 return out
/opt/conda/lib/python3.8/site-packages/IPython/core/prefilter.py in prefilter_line(self, line, continue_prompt)
308 return normal_handler.handle(line_info)
309
--> 310 prefiltered = self.prefilter_line_info(line_info)
311 # print "prefiltered line: %r" % prefiltered
312 return prefiltered
/opt/conda/lib/python3.8/site-packages/IPython/core/prefilter.py in prefilter_line_info(self, line_info)
250 """
251 # print "prefilter_line_info: ", line_info
--> 252 handler = self.find_handler(line_info)
253 return handler.handle(line_info)
254
/opt/conda/lib/python3.8/site-packages/IPython/core/prefilter.py in find_handler(self, line_info)
257 for checker in self.checkers:
258 if checker.enabled:
--> 259 handler = checker.check(line_info)
260 if handler:
261 return handler
/opt/conda/lib/python3.8/site-packages/IPython/core/prefilter.py in check(self, line_info)
414 def check(self, line_info):
415 obj = self.shell.user_ns.get(line_info.ifun)
--> 416 if isinstance(obj, Macro):
417 return self.prefilter_manager.get_handler_by_name('macro')
418 else:
/opt/conda/lib/python3.8/site-packages/mgquant/utils/lazyimport.pyc in __getattribute__(self, attr)
/opt/conda/lib/python3.8/site-packages/mgquant/utils/lazyimport.pyc in _resolve(self)
/opt/conda/lib/python3.8/site-packages/mgquant/utils/lazyimport.pyc in _import(self, scope, name)
/opt/conda/lib/python3.8/site-packages/mgquant_mod_stock/research_api.pyc in <module>
/opt/conda/lib/python3.8/site-packages/mgquant_mod_mindgo/research/research_api.pyc in <module>
/opt/conda/lib/python3.8/site-packages/mgquant_mod_stock/data/data_proxy.pyc in __init__(self, data_source)
/opt/conda/lib/python3.8/site-packages/mgquant_mod_stock/data/fast_data_source.pyc in get_trading_calendar(self)
/opt/conda/lib/python3.8/site-packages/mgquant_mod_mindgo/utils/wrap_utils.pyc in __get__(self, instance, owner)
/opt/conda/lib/python3.8/site-packages/mgquant_mod_stock/data/fast_data_source.pyc in _trading_dates(self)
/opt/conda/lib/python3.8/site-packages/mgquant_mod_mindgo/data/trading_dates_store.pyc in __init__(self, f, table, process_fn)
/opt/conda/lib/python3.8/os.py in makedirs(name, mode, exist_ok)
211 if head and tail and not path.exists(head):
212 try:
--> 213 makedirs(head, exist_ok=exist_ok)
214 except FileExistsError:
215 # Defeats race condition when another thread created the path
/opt/conda/lib/python3.8/os.py in makedirs(name, mode, exist_ok)
221 return
222 try:
--> 223 mkdir(name, mode)
224 except OSError:
225 # Cannot rely on checking for EEXIST, since the operating system
OSError: [Errno 30] Read-only file system: '/home/jovyan/backtest-data/mgquant'