add the function of get_lineage_table

mindinsight/lineagemgr/model.py

@@ -14,6 +14,7 @@
 # ============================================================================
 """This file is used to define the model lineage python api."""
 import os
+import pandas as pd
 
 from mindinsight.lineagemgr.common.exceptions.exceptions import LineageParamValueError, \
     LineageQuerySummaryDataError, LineageParamSummaryPathError, \
@@ -28,6 +29,9 @@ from mindinsight.lineagemgr.lineage_parser import LineageParser, LineageOrganize
 from mindinsight.lineagemgr.querier.querier import Querier
 from mindinsight.utils.exceptions import MindInsightException
 
+_METRIC_PREFIX = "[M]"
+_USER_DEFINED_PREFIX = "[U]"
+
 
 def get_summary_lineage(data_manager=None, summary_dir=None, keys=None):
     """
@@ -183,3 +187,46 @@ def _convert_relative_path_to_abspath(summary_base_dir, search_condition):
         search_condition.get('summary_dir')['eq'] = abs_dir
 
     return search_condition
+
+
+def get_lineage_table(data_manager):
+    """Get lineage data in a table from data manager."""
+    lineages = filter_summary_lineage(data_manager=data_manager)
+    lineage_objects = lineages.get("object", [])
+    cnt_lineages = len(lineage_objects)
+    metric_prefix = _METRIC_PREFIX
+    user_defined_prefix = _USER_DEFINED_PREFIX
+    # Step 1, get column names
+    column_names = set()
+    for lineage in lineage_objects:
+        model_lineage = lineage.get("model_lineage", {})
+        metric = model_lineage.get("metric", {})
+        metric_names = tuple('{}{}'.format(metric_prefix, key) for key in metric.keys())
+        user_defined = model_lineage.get("user_defined", {})
+        user_defined_names = tuple('{}{}'.format(metric_prefix, key) for key in user_defined.keys())
+        model_lineage_temp = list(model_lineage.keys())
+        for key in model_lineage_temp:
+            if key in ["metric", "user_defined"]:
+                model_lineage_temp.remove(key)
+        column_names.update(model_lineage_temp)
+        column_names.update(metric_names)
+        column_names.update(user_defined_names)
+    # Step 2, collect data
+    column_data = {key: [None] * cnt_lineages for key in column_names}
+    for ind, lineage in enumerate(lineage_objects):
+        model_lineage = lineage.get("model_lineage", {})
+        metric = model_lineage.pop("metric", {})
+        metric_content = {
+            '{}{}'.format(metric_prefix, key): val for key, val in metric.items()
+        }
+        user_defined = model_lineage.pop("user_defined", {})
+        user_defined_content = {
+            '{}{}'.format(user_defined_prefix, key): val for key, val in user_defined.items()
+        }
+        final_content = {}
+        final_content.update(model_lineage)
+        final_content.update(metric_content)
+        final_content.update(user_defined_content)
+        for key, val in final_content.items():
+            column_data[key][ind] = val
+    return pd.DataFrame(column_data)

requirements.txt

@@ -14,3 +14,4 @@ psutil>=5.6.1
 six>=1.12.0
 Werkzeug>=1.0.0
 tabulate>=0.8.6
+pandas>=1.0.4
\ No newline at end of file