Add DataPathManager to QlibConfig && modify inst_processors to supports list only

examples/benchmarks/LightGBM/features_sample.py

@@ -4,9 +4,8 @@ import pandas as pd
 from qlib.data.inst_processor import InstProcessor
 
 
-class ResampleProcessor(InstProcessor):
-    def __init__(self, freq: str, hour: int, minute: int):
-        self.freq = freq
+class Resample1minProcessor(InstProcessor):
+    def __init__(self, hour: int, minute: int):
         self.hour = hour
         self.minute = minute
 

examples/benchmarks/LightGBM/workflow_config_lightgbm_Alpha158_multi_freq.yaml

@@ -3,6 +3,8 @@ qlib_init:
         day: "~/.qlib/qlib_data/cn_data"
         1min: "~/.qlib/qlib_data/cn_data_1min"
     region: cn
+    dataset_cache: null
+    maxtasksperchild: 1
 market: &market csi300
 benchmark: &benchmark SH000300
 data_handler_config: &data_handler_config
@@ -16,10 +18,9 @@ data_handler_config: &data_handler_config
         label: day
         feature: 1min
     # with label as reference
-    sample_benchmark: label
-    sample_config:
+    inst_processor:
         feature:
-            - class: ResampleProcessor
+            - class: Resample1minProcessor
               module_path: features_sample.py
               kwargs:
                   freq: 1d