Added maxthreads functionality, confirmed basic implementation

README.md

@@ -16,7 +16,8 @@ Here is mine:
 ```
 {
     "podcast-directory" : "/home/basti/podcasts",
-    "maxnum"            : 5
+    "maxnum"            : 5,
+    "maxthreads"        : 2
 }
 ```
 `podcast-directory` is your main directory to store podcast data. This directory should be empty before you

podfox.py

@@ -21,7 +21,7 @@ from colorama import Fore, Back, Style
 from docopt import docopt
 from os.path import expanduser
 from sys import exit
-from threading import Thread
+from threading import Thread, active_count
 import colorama
 import feedparser
 import json
@@ -183,6 +183,11 @@ def episodes_from_feed(d):
 
 
 def download_multiple(feed, maxnum):
+    if "maxthreads" in CONFIGURATION.keys():
+        maxthreads = CONFIGURATION['maxthreads']
+    else:
+        maxthreads = maxnum
+
     for episode in feed['episodes']:
         if maxnum == 0:
             break
@@ -193,6 +198,13 @@ def download_multiple(feed, maxnum):
             #download_single(feed['shortname'], episode['url'])
             episode['downloaded'] = True
             maxnum -= 1
+
+        while active_count() > maxthreads:
+            try:
+                downloadthread.join(60)
+            except RuntimeError:
+                pass
+
     overwrite_config(feed)
 
 
@@ -202,6 +214,7 @@ class download_thread(Thread):
 
         self.folder = folder
         self.url = url
+        self.daemon = True
 
     def run(self):
         download_single(self.folder, self.url)