Some refactoring (also PEP-8) to audio-analyzer.py

audio-analyzer.py

@@ -1,3 +1,6 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*- 
+
 import json
 import sys
 
@@ -34,19 +37,23 @@ def dictWithoutOneKey(d, key):
 	new_d.pop(key)
 	return new_d
 
-
+if __name__ == '__main__':
-audioStats = dict()
+    musicFileName = sys.argv[1]
+    destFileName  = sys.argv[2]
 
     tokenizer = RegexpTokenizer(r"[A-Za-zА-Яа-я]+")
     stemmer   = RussianStemmer()
 
-musicFileName = sys.argv[1]
+    audioStats = dict()
-with open(musicFileName, "r", encoding="utf8") as file:
+
-	for line in file:
+    with open(musicFileName, "r", encoding="utf8") as f_music:
+        for line in f_music:
             jsonData = json.loads(line, encoding="utf8")
             for song in list(jsonData.values())[0]:
                 songName = "{} - {}".format(song["artist"], song["title"])
-			filteredSongName = "".join([stemmer.stem(token).lower() for token in tokenizer.tokenize(songName)])
+                filteredSongName = "".join(
+                    [stemmer.stem(token).lower() for token in tokenizer.tokenize(songName)]
+                )
                 if len(filteredSongName) > 1:
                     audioStatsItem = audioStats.get(filteredSongName, {
                         "name": songName,
@@ -57,8 +64,7 @@ with open(musicFileName, "r", encoding="utf8") as file:
                     audioStatsItem["count"] += 1
                     audioStats[filteredSongName] = audioStatsItem
 
-destFileName = sys.argv[2]
+    with open(destFileName, "w", encoding="utf-8") as f_out:
-with open(destFileName, "w", encoding="utf8") as file:
         sortedSongs = [item[1] for item in sorted(audioStats.items(), key=lambda item: item[1]["count"], reverse=True)]
         data = OrderedDict([(item["name"], dictWithoutOneKey(item, "name")) for item in sortedSongs])
-	file.write(json.dumps(data, ensure_ascii=False, indent=4))
+        f_out.write(json.dumps(data, ensure_ascii=False, indent=4))