full import scripts

01_importMaterials.py

@@ -0,0 +1,81 @@
+import uuid # For UUID creation
+from initDb import initDb # For database initialization
+from wisski.api import Api, Pathbuilder, Entity # For WissKI API
+import os # For environment variable loading
+from dotenv import load_dotenv # For environment variable loading
+import pandas as pd # For dataframe handling
+
+# Initialize the database
+print('Initializing the database...')
+engine, metadata, Session = initDb(True, './schemas/')
+if engine == False:
+    print('Database initialization failed.')
+    exit()
+
+# Load the environment variables
+load_dotenv()
+
+# Initialize the WissKI API
+print('Initializing the WissKI API...')
+api_url = os.getenv('API_URL')
+auth = (os.getenv('API_USERNAME'), os.getenv('API_PASSWORD'))
+headers = {"Cache-Control": "no-cache"}
+api = Api(api_url, auth, headers)
+api.pathbuilders = ['default']
+
+try:
+    processedRows = pd.read_csv(f'./logs/processedMaterials.csv')
+except FileNotFoundError:
+    processedRows = pd.DataFrame(columns=['id', 'uuid', 'uri'])
+
+# Load materials table
+materialsTable = pd.read_sql_table('c__5280_material', con=engine)
+
+# Create materials
+for index, row in materialsTable.iterrows():
+    # For every row in table...
+    if index < len(processedRows) and materialsTable.loc[index, 'id'] == processedRows.iloc[index, 'id']:
+        # skip if already processed
+        print(f'Skipping already processed material {materialsTable.iloc[index, 0]}')
+        continue
+    # Create Entity property dicts
+    materialValues = {}
+    for key, value in row.items():
+        # For every column in row...
+        if (value is None) or (value == ''):
+            #  skip if cell has no value
+            continue
+        # Properties of an entity have to be an array, so...
+        if '###{{new_line}}###' in str(value):
+            print('replaced curly braces')
+            value = str(value).replace('###{{new_line}}###', '')
+        if '&' in str(value):
+            # ...Explode "&"-separated values to array items
+            value = [x.strip() for x in str(value).split('&')]
+        else:
+            # ...Or parse to array
+            value = [value]
+        # Map columns to fields. We use assignments for reification.
+        match key:
+            case 'id':
+                continue
+            case 'f__uuid':
+                materialValues['fedfe553c2332bd4902c887813f29ed8'] = value # UUID
+            case 'f__5280_material':
+                materialValues['f5f4251312f54c0d104ea87761b94bde'] = value # Material
+            case 'f__5300_technik':
+                materialValues['f231e08850022f091ebd5055d8aad30f'] = value # Technique
+            case _:
+                print(f'{key} is not a valid field, skipping.')
+
+    # Create Material
+    material = Entity(api=api, fields=materialValues, bundle_id='b45978f2b073ff3c73b3c7220ebb3b89')
+    api.save(material)
+
+    print(f'Created material {index}: {material.uri}')
+
+    # Write log
+    processedRows = processedRows._append({'id': row['id'], 'uuid': materialValues['fedfe553c2332bd4902c887813f29ed8'][0], 'uri': material.uri}, ignore_index=True)
+    processedRows.to_csv(f'./logs/processedMaterials.csv', index=False)
+
+print('finish')