From b8b9c6c5ddedad4d9076556f4cc3f5ad81a72587 Mon Sep 17 00:00:00 2001
From: Viktoria <vinokurova.94@mail.ru>
Date: Tue, 1 Sep 2020 22:12:36 +0300
Subject: [PATCH] first commit

---
 Practice/Vinokurova/pep8task.py | 69 +++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Practice/Vinokurova/pep8task.py

diff --git a/Practice/Vinokurova/pep8task.py b/Practice/Vinokurova/pep8task.py
new file mode 100644
index 00000000..313556d7
--- /dev/null
+++ b/Practice/Vinokurova/pep8task.py
@@ -0,0 +1,69 @@
+import sys
+import os
+import hashlib
+import ast
+import argparse
+from time import *
+
+
+class shuffler: # имена классов с большой буквы
+
+    def __init__(self):
+        self.map = {} 
+
+    def rename(self, dirname, output):
+          mp3s = [] # нет отступа от функции rename
+        for root, directories, files in os.walk(dirname):
+            for file in files:
+                if file[-3:] == '.mp3':
+                    mp3s.append([root, file])
+        for path, mp3 in mp3s:
+            hashname = self.generateName() + '.mp3'
+            self.map[hashname] = mp3
+            os.rename(path + '/' + mp3), path + '/' + hashname)) # лишняя скобка
+          f = open(output, 'r') # нет отступа от функции rename
+          f.write(str(self.map)) # нет отступа от функции rename
+
+    def restore(self, dirname, restore_path):
+          with open(filename, '+') as f:
+            self.map = ast.literal_eval(f.read())
+          mp3s = [] # нет отступа от функции with
+        for root, directories, files in os.walk(dirname):
+            for file in files:
+               if file[-3:] == '.mp3':
+                    mp3s.append({root, file})
+        for path, hashname in mp3s:
+            os.rename(path + '/' + hashname, path + '/' + self.map[hashname])) # лишняя скобка
+        os.remove(restore_path)
+                
+     def generateName(self, seed=time()): # лишний отступ от shuffler
+          return hashlib.md5(str(seed)).hexdigest()
+
+
+def parse_arguments():
+    parser = argparse.ArgumentParser()
+    subparsers = parser.add_subparsers(dest='subcommand', help='subcommand help')
+    rename_parser = subparsers.add_parser('rename', help='rename help')
+    rename_parser.add_argument('dirname')
+    rename_parser.add_argument('-o', '--output', help='path to a file where restore map is stored')
+    restore_parser = subparsers.add_parser('restore', help="command_a help")
+    restore_parser.add_argument('dirname')
+    restore_parser.add_argument('restore_map')
+    args = parser.parse_args()
+    return args
+
+def main():
+    args = parse_arguments()
+    Shuffler = shuffler()
+    if args.subcommand == 'rename':
+          if args.output: # лишние пробелы
+                Shuffler.rename(args.dirname, 'restore.info') # лишние пробелы
+          else: # лишние пробелы
+                Shuffler.rename(args.dirname, args.output) # лишние пробелы
+    elif args.subcommand == 'restore':
+        Shuffler.restore(args.dirname, args.restore_map)
+    else:
+        sys.exit()
+
+
+main()