fix temp dir overwrite bug when running concurrent tasks

mur.py

@@ -1,19 +1,20 @@
 #!/usr/bin/env python3
 # Sorrow446
 
-import os
-import re
-import sys
-import json
-import shutil
-import zipfile
 import argparse
+import img2pdf
+import json
+import os
 import platform
+import random
+import re
+from requests.exceptions import HTTPError
+import shutil
+import sys
+from tqdm import tqdm
+import zipfile
 
 import api
-import img2pdf
-from tqdm import tqdm
-from requests.exceptions import HTTPError
 from api.exceptions import IneligibleError
 
 client = api.Client()
@@ -70,6 +71,12 @@ def parse_args():
                 required=False,
                 action='store_true'
         )
+        parser.add_argument(
+                '-n', '--nextNum',
+                help="Download n number of issues after given issue",
+                required=False,
+                action='store_true'
+        )
         return parser.parse_args()
 
 def parse_cookies(cd, out_cookies={}):
@@ -146,13 +153,14 @@ def main():
                 cd = os.path.dirname(sys.executable)
         else:
                 cd = os.path.dirname(__file__)
-        tmp_dir = os.path.join(cd, 'mur_tmp')
+        tmp_dir = os.path.join(cd, f'mur_tmp_{random.randint(1000,9999)}')
         dl_dir = os.path.join(cd, 'MUR downloads')
         dir_setup(tmp_dir, dl_dir)
         parse_cookies(cd)
         args = parse_args()
         tot = len(args.url)
         cur = 0
+        next_count = 0
         urls = [] + args.url
 
         for url in urls:
@@ -171,10 +179,12 @@ def main():
                                 id = url
                         fmt = args.format
                         meta = client.get_comic_meta(id)
-                        if args.all:
+                        if args.all or (args.nextNum and next_count < args.nextNum):
                                 next_id = client.get_next_comic(id)
                                 if next_id:
                                         urls.append(next_id)
+                                        next_count += 1
+
                         title = meta['title']
                         title_s = sanitize(title)
                         print(str(title) + "\n")
@@ -190,8 +200,7 @@ def main():
                         except IneligibleError as e:
                                 print(e)
                                 sys.exit(1)
-                        #input("Press Enter to continue...")
-                        ##NEW
+
                         sourcedir = "tmp_dir"; number_ofdigits = 5; extensions = (".jpg", ".jpeg")
 
                         files = os.listdir(tmp_dir)
@@ -200,8 +209,7 @@ def main():
                                         name = item.split("."); zeros = number_ofdigits-len(name[0])
                                         newname = str(zeros*"0")+name[0]+"."+name[1]
                                         shutil.move(tmp_dir+"/"+item, tmp_dir+"/"+newname)
-                        ##END NEW
-                        #input("Press Enter to continue...")
+
                         images = [os.path.join(tmp_dir, i) for i in os.listdir(tmp_dir)]
                         print('Converting to {}...'.format(fmt.upper()))
                         if fmt == 'pdf':
@@ -214,6 +222,7 @@ def main():
                                 write_meta(meta_abs, meta)
                         for i in images:
                                 os.remove(i)
+                        os.rmdir(tmp_dir)
                 except HTTPError as e:
                         err(e, cur, tot)
                 except Exception as e: