add_pre-commit_and_flake8_to_CI

qlib/data/__init__.py

@@ -35,3 +35,32 @@ from .cache import (
     DatasetURICache,
     MemoryCalendarCache,
 )
+
+
+__all__ = [
+    "D",
+    "CalendarProvider",
+    "InstrumentProvider",
+    "FeatureProvider",
+    "ExpressionProvider",
+    "DatasetProvider",
+    "LocalCalendarProvider",
+    "LocalInstrumentProvider",
+    "LocalFeatureProvider",
+    "LocalPITProvider",
+    "LocalExpressionProvider",
+    "LocalDatasetProvider",
+    "ClientCalendarProvider",
+    "ClientInstrumentProvider",
+    "ClientDatasetProvider",
+    "BaseProvider",
+    "LocalProvider",
+    "ClientProvider",
+    "ExpressionCache",
+    "DatasetCache",
+    "DiskExpressionCache",
+    "DiskDatasetCache",
+    "SimpleDatasetCache",
+    "DatasetURICache",
+    "MemoryCalendarCache",
+]

qlib/data/cache.py

@@ -33,7 +33,7 @@ from ..utils import (
 
 from ..log import get_module_logger
 from .base import Feature
-from .ops import Operators  # pylint: disable=W0611
+from .ops import Operators  # pylint: disable=W0611  # noqa: F401
 
 
 class QlibCacheException(RuntimeError):
@@ -528,7 +528,7 @@ class DiskExpressionCache(ExpressionCache):
                     CacheUtils.visit(cache_path)
                 series = read_bin(cache_path, start_index, end_index)
                 return series
-            except Exception as e:
+            except Exception:
                 series = None
                 self.logger.error("reading %s file error : %s" % (cache_path, traceback.format_exc()))
             return series
@@ -1068,7 +1068,7 @@ class SimpleDatasetCache(DatasetCache):
         super(SimpleDatasetCache, self).__init__(provider)
         try:
             self.local_cache_path: Path = Path(C["local_cache_path"]).expanduser().resolve()
-        except (KeyError, TypeError) as e:
+        except (KeyError, TypeError):
             self.logger.error("Assign a local_cache_path in config if you want to use this cache mechanism")
             raise
         self.logger.info(

qlib/data/data.py

@@ -38,7 +38,7 @@ from ..utils import (
     get_period_list,
 )
 from ..utils.paral import ParallelExt
-from .ops import Operators  # pylint: disable=W0611
+from .ops import Operators  # pylint: disable=W0611  # noqa: F401
 
 
 class ProviderBackendMixin:

qlib/data/dataset/__init__.py

@@ -609,3 +609,6 @@ class TSDatasetH(DatasetH):
 
         tsds = TSDataSampler(data=data, start=start, end=end, step_len=self.step_len, dtype=dtype, flt_data=flt_data)
         return tsds
+
+
+__all__ = ["Optional"]

qlib/data/ops.py

@@ -22,7 +22,7 @@ except ImportError:
         "#### Do not import qlib package in the repository directory in case of importing qlib from . without compiling #####"
     )
     raise
-except ValueError as e:
+except ValueError:
     print("!!!!!!!! A error occurs when importing operators implemented based on Cython.!!!!!!!!")
     print("!!!!!!!! They will be disabled. Please Upgrade your numpy to enable them     !!!!!!!!")
     # We catch this error because some platform can't upgrade there package (e.g. Kaggle)

qlib/data/storage/__init__.py

@@ -2,3 +2,6 @@
 # Licensed under the MIT License.
 
 from .storage import CalendarStorage, InstrumentStorage, FeatureStorage, CalVT, InstVT, InstKT
+
+
+__all__ = ["CalendarStorage", "InstrumentStorage", "FeatureStorage", "CalVT", "InstVT", "InstKT"]