Created
June 12, 2019 19:42
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Rudimentary helper to check that your dbt documentation matches your model
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#!/usr/bin/env python3 | |
import json | |
import os | |
import pandas as pd | |
abs_path = os.path.dirname(os.path.abspath(__file__ + '/../')) | |
catalog_path = os.path.join(abs_path, 'target/catalog.json') | |
manifest_path = os.path.join(abs_path, 'target/manifest.json') | |
catalog_df = pd.read_json(catalog_path) | |
data = json.load(open(manifest_path)) | |
manifest_df = pd.DataFrame(data["nodes"]).T | |
catalog_dict = {} | |
for index, row in catalog_df.iterrows(): | |
catalog_dict[row['nodes']['metadata']['name']] = row['nodes']['columns'].keys() | |
for index, row in manifest_df.iterrows(): | |
if row['resource_type'] == 'model': | |
name = row['name'] | |
manifest_columns = set(row['columns'].keys()) | |
try: | |
catalog_columns = set(catalog_dict[name]) | |
if len(manifest_columns.symmetric_difference(catalog_columns)) != 0: | |
print("\n") | |
print(name) | |
manifest_difference = manifest_columns - catalog_columns | |
catalog_difference = catalog_columns - manifest_columns | |
if len(manifest_difference) != 0: | |
print("In docs but not in sql:") | |
print(manifest_difference) | |
if len(catalog_difference) != 0: | |
print("In sql but not in docs:") | |
print(catalog_difference) | |
except: | |
print(f"{name} failed to parse") |
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