Add version and make compatible fix for dbt-core 1.6.0b8

.changes/unreleased/Fixes-20230711-132046.yaml

@@ -0,0 +1,6 @@
+kind: Fixes
+body: Added --version and fix manifest transformer rules for dbt-core-=1.6.0b8
+time: 2023-07-11T13:20:46.973302-04:00
+custom:
+  Author: WilliamDee
+  Issue: "650"

metricflow/cli/dbt_connectors/dbt_config_accessor.py

@@ -11,13 +11,12 @@
 from dbt.config.profile import Profile
 from dbt.config.project import Project
 from dbt.config.runtime import load_profile, load_project
-from dbt_semantic_interfaces.implementations.semantic_manifest import PydanticSemanticManifest
 from dbt_semantic_interfaces.pretty_print import pformat_big_objects
 from dbt_semantic_interfaces.protocols.semantic_manifest import SemanticManifest
-from dbt_semantic_interfaces.transformations.semantic_manifest_transformer import PydanticSemanticManifestTransformer
 from typing_extensions import Self
 
 from metricflow.errors.errors import ModelCreationException
+from metricflow.model.dbt_manifest_parser import parse_manifest_from_dbt_generated_manifest
 
 logger = logging.getLogger(__name__)
 
@@ -111,11 +110,6 @@ def build_semantic_manifest_from_dbt_project_root(project_root: Path) -> Semanti
         try:
             with open(full_path_to_manifest, "r") as file:
                 raw_contents = file.read()
-                raw_model = PydanticSemanticManifest.parse_raw(raw_contents)
-                # The serialized object in the dbt project does not have all transformations applied to it at
-                # this time, which causes failures with input measure resolution.
-                # TODO: remove this transform call once the upstream changes are integrated into our dependency tree
-                model = PydanticSemanticManifestTransformer.transform(raw_model)
-                return model
+                return parse_manifest_from_dbt_generated_manifest(manifest_json_string=raw_contents)
         except Exception as e:
             raise ModelCreationException from e

metricflow/cli/main.py

@@ -54,6 +54,7 @@
 
 @click.group()
 @click.option("-v", "--verbose", is_flag=True)
+@click.version_option()
 @error_if_not_in_dbt_project
 @pass_config
 @log_call(module_name=__name__, telemetry_reporter=_telemetry_reporter)

metricflow/model/dbt_manifest_parser.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+from dbt_semantic_interfaces.implementations.semantic_manifest import (
+    PydanticSemanticManifest,
+)
+from dbt_semantic_interfaces.transformations.agg_time_dimension import (
+    SetMeasureAggregationTimeDimensionRule,
+)
+from dbt_semantic_interfaces.transformations.boolean_measure import (
+    BooleanMeasureAggregationRule,
+)
+from dbt_semantic_interfaces.transformations.convert_count import ConvertCountToSumRule
+from dbt_semantic_interfaces.transformations.convert_median import (
+    ConvertMedianToPercentileRule,
+)
+from dbt_semantic_interfaces.transformations.names import LowerCaseNamesRule
+from dbt_semantic_interfaces.transformations.proxy_measure import CreateProxyMeasureRule
+from dbt_semantic_interfaces.transformations.semantic_manifest_transformer import (
+    PydanticSemanticManifestTransformer,
+)
+
+
+def parse_manifest_from_dbt_generated_manifest(manifest_json_string: str) -> PydanticSemanticManifest:
+    """Parse a PydanticSemanticManifest given the generated semantic_manifest json from dbt."""
+    raw_model = PydanticSemanticManifest.parse_raw(manifest_json_string)
+    # The serialized object in the dbt project does not have all transformations applied to it at
+    # this time, which causes failures with input measure resolution.
+    # TODO: remove this transform call once the upstream changes are integrated into our dependency tree
+    rules = (
+        # Primary
+        (
+            LowerCaseNamesRule(),
+            SetMeasureAggregationTimeDimensionRule(),
+        ),
+        # Secondary
+        (
+            CreateProxyMeasureRule(),
+            BooleanMeasureAggregationRule(),
+            ConvertCountToSumRule(),
+            ConvertMedianToPercentileRule(),
+            # AddInputMetricMeasuresRule(), Fixed by dbt-core=1.6.0b8
+        ),
+    )
+    model = PydanticSemanticManifestTransformer.transform(raw_model, rules)
+    return model