Adjust backend coding style

Increase line spacing, add section comments, etc

6 files changed, 28 insertions, 6 deletions

diff --git a/backend/tests/enwiki/test_download_img_license_info.py b/backend/tests/enwiki/test_download_img_license_info.py
index f285d55..ad6fa52 100644
--- a/backend/tests/enwiki/test_download_img_license_info.py
+++ b/backend/tests/enwiki/test_download_img_license_info.py
@@ -1,6 +1,7 @@
 import unittest
 from unittest.mock import Mock, patch
-import tempfile, os
+import tempfile
+import os
 
 from tests.common import createTestDbTable, readTestDbTable
 from hist_data.enwiki.download_img_license_info import downloadInfo
@@ -53,6 +54,7 @@ TEST_RESPONSE1 = {
     }
   }
 }
+
 TEST_RESPONSE2 = {
   'batchcomplete': '',
   'query': {
@@ -152,6 +154,7 @@ class TestDownloadInfo(unittest.TestCase):
 					(1, 'Octopus2.jpg'),
 				}
 			)
+
 			# Run
 			downloadInfo(imgDb)
 			# Check
@@ -162,6 +165,7 @@ class TestDownloadInfo(unittest.TestCase):
 						'https://upload.wikimedia.org/wikipedia/commons/5/57/Octopus2.jpg'),
 				}
 			)
+
 			# Run with updated image-data db
 			createTestDbTable(
 				imgDb,
diff --git a/backend/tests/enwiki/test_download_imgs.py b/backend/tests/enwiki/test_download_imgs.py
index 823ac37..949d885 100644
--- a/backend/tests/enwiki/test_download_imgs.py
+++ b/backend/tests/enwiki/test_download_imgs.py
@@ -1,6 +1,7 @@
 import unittest
 from unittest.mock import Mock, patch
-import tempfile, os
+import tempfile
+import os
 
 from tests.common import readTestFile, createTestDbTable
 from hist_data.enwiki.download_imgs import downloadImgs
@@ -40,6 +41,7 @@ class TestDownloadInfo(unittest.TestCase):
 					(16, 'six','cc-by','','fred','','https://upload.wikimedia.org/6.png'),
 				}
 			)
+
 			# Create temp output directory
 			with tempfile.TemporaryDirectory() as outDir:
 				# Run
diff --git a/backend/tests/enwiki/test_gen_desc_data.py b/backend/tests/enwiki/test_gen_desc_data.py
index f6d4250..e777a6a 100644
--- a/backend/tests/enwiki/test_gen_desc_data.py
+++ b/backend/tests/enwiki/test_gen_desc_data.py
@@ -1,5 +1,6 @@
 import unittest
-import os, tempfile
+import os
+import tempfile
 
 from tests.common import readTestDbTable
 from hist_data.enwiki.gen_desc_data import genData
@@ -12,6 +13,7 @@ class TestGenData(unittest.TestCase):
 			# Run
 			dbFile = os.path.join(tempDir, 'descData.db')
 			genData(TEST_DUMP_FILE, dbFile)
+
 			# Check
 			self.assertEqual(
 				readTestDbTable(dbFile, 'SELECT id, title FROM pages'),
diff --git a/backend/tests/enwiki/test_gen_dump_index_db.py b/backend/tests/enwiki/test_gen_dump_index_db.py
index 64053c4..5281911 100644
--- a/backend/tests/enwiki/test_gen_dump_index_db.py
+++ b/backend/tests/enwiki/test_gen_dump_index_db.py
@@ -1,5 +1,6 @@
 import unittest
-import tempfile, os
+import tempfile
+import os
 
 from tests.common import createTestBz2, readTestDbTable
 from hist_data.enwiki.gen_dump_index_db import genData
@@ -10,15 +11,18 @@ def runGenData(indexFileContents: str):
 		# Create temp index file
 		indexFile = os.path.join(tempDir, 'index.txt.bz2')
 		createTestBz2(indexFile, indexFileContents)
+
 		# Run
 		dbFile = os.path.join(tempDir, 'data.db')
 		genData(indexFile, dbFile)
+
 		# Read db
 		return readTestDbTable(dbFile, 'SELECT title, id, offset, next_offset FROM offsets')
 
 class TestGenData(unittest.TestCase):
 	def setUp(self):
 		self.maxDiff = None # Remove output-diff size limit
+
 	def test_index_file(self):
 		indexFileContents = (
 			'100:10:apple\n'
@@ -33,6 +37,7 @@ class TestGenData(unittest.TestCase):
 			('banana ice-cream', 99, 300, 1000),
 			('Custard!', 2030, 1000, -1),
 		})
+
 	def test_emp_index(self):
 		offsetsMap = runGenData('')
 		self.assertEqual(offsetsMap, set())
diff --git a/backend/tests/enwiki/test_gen_img_data.py b/backend/tests/enwiki/test_gen_img_data.py
index d18dddf..91ba481 100644
--- a/backend/tests/enwiki/test_gen_img_data.py
+++ b/backend/tests/enwiki/test_gen_img_data.py
@@ -1,5 +1,6 @@
 import unittest
-import tempfile, os
+import tempfile
+import os
 
 from tests.common import createTestDbTable, readTestDbTable
 from hist_data.enwiki.gen_img_data import getInputPageIdsFromDb, genData
@@ -24,6 +25,7 @@ class TestGetInputPageIdsFromDb(unittest.TestCase):
 					(5, 'Marie Curie', 2403277, None, 2427622, None, 1, 'human'),
 				}
 			)
+
 			# Create temp dump-index db
 			indexDb = os.path.join(tempDir, 'dump_index.db')
 			createTestDbTable(
@@ -38,6 +40,7 @@ class TestGetInputPageIdsFromDb(unittest.TestCase):
 					('Autism',25,0,-1),
 				}
 			)
+
 			# Run
 			pageIds = getInputPageIdsFromDb(dbFile, indexDb)
 			# Check
@@ -58,6 +61,7 @@ class TestGenData(unittest.TestCase):
 					('Autism',25,0,-1),
 				}
 			)
+
 			# Run
 			imgDb = os.path.join(tempDir, 'imgData.db')
 			genData({10, 25}, TEST_DUMP_FILE, indexDb, imgDb)
@@ -69,6 +73,7 @@ class TestGenData(unittest.TestCase):
 					(25, 'Autism', 'Autism-stacking-cans 2nd edit.jpg'),
 				}
 			)
+
 			# Run with updated page-ids set
 			genData({13, 10}, TEST_DUMP_FILE, indexDb, imgDb)
 			# Check
diff --git a/backend/tests/enwiki/test_gen_pageview_data.py b/backend/tests/enwiki/test_gen_pageview_data.py
index 154953e..3209cce 100644
--- a/backend/tests/enwiki/test_gen_pageview_data.py
+++ b/backend/tests/enwiki/test_gen_pageview_data.py
@@ -1,5 +1,6 @@
 import unittest
-import tempfile, os
+import tempfile
+import os
 
 from tests.common import createTestBz2, createTestDbTable, readTestDbTable
 from hist_data.enwiki.gen_pageview_data import genData
@@ -18,6 +19,7 @@ class TestGenData(unittest.TestCase):
 				'fr.wikipedia Four null desktop 12 T6U6\n'
 				'en.wikipedia Three null desktop 10 E4G5Z61\n'
 			))
+
 			# Create temp dump-index db
 			dumpIndexDb = os.path.join(tempDir, 'dump_index.db')
 			createTestDbTable(
@@ -31,9 +33,11 @@ class TestGenData(unittest.TestCase):
 					('Four', 4, 0, -1),
 				}
 			)
+
 			# Run
 			dbFile = os.path.join(tempDir, 'data.db')
 			genData(pageviewFiles, dumpIndexDb, dbFile)
+
 			# Check
 			self.assertEqual(
 				readTestDbTable(dbFile, 'SELECT title, id, views from views'),