Adjust backend coding style

Add line spacing, section comments, and import consistency

1 files changed, 14 insertions, 9 deletions

diff --git a/backend/tol_data/gen_desc_data.py b/backend/tol_data/gen_desc_data.py
index fa08a8c..69efe79 100755
--- a/backend/tol_data/gen_desc_data.py
+++ b/backend/tol_data/gen_desc_data.py
@@ -5,7 +5,9 @@ Maps nodes to short descriptions, using data from DBpedia and
 Wikipedia, and stores results in the database.
 """
 
-import os, sqlite3
+import argparse
+import os
+import sqlite3
 
 DBPEDIA_DB = os.path.join('dbpedia', 'desc_data.db')
 ENWIKI_DB = os.path.join('enwiki', 'desc_data.db')
@@ -16,12 +18,12 @@ def genData(dbpediaDb: str, enwikiDb: str, dbFile: str) -> None:
 	dbCon = sqlite3.connect(dbFile)
 	dbCur = dbCon.cursor()
 	dbCur.execute('CREATE TABLE descs (wiki_id INT PRIMARY KEY, desc TEXT, from_dbp INT)')
-	#
+
 	print('Getting node mappings')
 	nodeToWikiId: dict[str, int] = {}
 	for name, wikiId in dbCur.execute('SELECT name, id from wiki_ids'):
 		nodeToWikiId[name] = wikiId
-	#
+
 	print('Reading data from DBpedia')
 	dbpCon = sqlite3.connect(dbpediaDb)
 	dbpCur = dbpCon.cursor()
@@ -32,20 +34,22 @@ def genData(dbpediaDb: str, enwikiDb: str, dbFile: str) -> None:
 		iterNum += 1
 		if iterNum % 1e5 == 0:
 			print(f'At iteration {iterNum}')
-		#
+
 		row = dbpCur.execute('SELECT iri FROM ids where id = ?', (wikiId,)).fetchone()
 		if row is not None:
 			nodeToIri[name] = row[0]
+
 	print('Resolving redirects')
 	iterNum = 0
 	for name, iri in nodeToIri.items():
 		iterNum += 1
 		if iterNum % 1e5 == 0:
 			print(f'At iteration {iterNum}')
-		#
+
 		row = dbpCur.execute('SELECT target FROM redirects where iri = ?', (iri,)).fetchone()
 		if row is not None:
 			nodeToIri[name] = row[0]
+
 	print('Adding descriptions')
 	iterNum = 0
 	for name, iri in nodeToIri.items():
@@ -57,11 +61,13 @@ def genData(dbpediaDb: str, enwikiDb: str, dbFile: str) -> None:
 		if row is not None:
 			dbCur.execute('INSERT OR IGNORE INTO descs VALUES (?, ?, ?)', (nodeToWikiId[name], row[0], 1))
 			del nodeToWikiId[name]
+
 	dbpCon.close()
-	#
+
 	print('Reading data from Wikipedia')
 	enwikiCon = sqlite3.connect(enwikiDb)
 	enwikiCur = enwikiCon.cursor()
+
 	print('Adding descriptions')
 	iterNum = 0
 	for name, wikiId in nodeToWikiId.items():
@@ -79,14 +85,13 @@ def genData(dbpediaDb: str, enwikiDb: str, dbFile: str) -> None:
 		row = enwikiCur.execute('SELECT desc FROM descs where id = ?', (wikiIdToGet,)).fetchone()
 		if row is not None:
 			dbCur.execute('INSERT OR IGNORE INTO descs VALUES (?, ?, ?)', (wikiId, row[0], 0))
-	#
+
 	print('Closing databases')
 	dbCon.commit()
 	dbCon.close()
 
 if __name__ == '__main__':
-	import argparse
 	parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
 	args = parser.parse_args()
-	#
+
 	genData(DBPEDIA_DB, ENWIKI_DB, DB_FILE)