max_concurrent setting

README.rst

@@ -120,6 +120,9 @@ newver
 proxy
   The HTTP proxy to use. The format is ``host:port``, e.g. ``localhost:8087``.
 
+max_concurrent
+  Max number of concurrent jobs. Default: 20.
+
 Search in a Webpage
 -------------------
 Search through a specific webpage for the version string. This type of version finding has these fields:

nvchecker/core.py

@@ -78,9 +78,12 @@ class Source:
         os.path.join(d, c.get('oldver'))))
       self.newver = os.path.expandvars(os.path.expanduser(
         os.path.join(d, c.get('newver'))))
-
+      self.max_concurrent = c.getint('max_concurrent', 20)
       session.nv_config = config["__config__"]
 
+    else:
+      self.max_concurrent = 20
+
   async def check(self):
     if self.oldver:
       self.oldvers = read_verfile(self.oldver)
@@ -99,7 +102,7 @@ class Source:
       fu.name = name
       futures.add(fu)
 
-      if len(futures) >= 20: # TODO: use __config__
+      if len(futures) >= self.max_concurrent:
         (done, futures) = await asyncio.wait(
           futures, return_when = asyncio.FIRST_COMPLETED)
         for fu in done: