Make performance settings configurable

sources/ch4.py

@@ -10,19 +10,21 @@ from numpy import array_split
 import db
 import util
 
+from os import getenv
+
 # CONFIGURATION #
 
 # Number of 4chan threads to request at once
-THREADS_CONCURRENT = 1000
+THREADS_CONCURRENT = int(getenv("MONOLITH_CH4_THREADS_CONCURRENT", 1000))
 
 # Seconds to wait between every THREADS_CONCURRENT requests
-THREADS_DELAY = 0.1
+THREADS_DELAY = float(getenv("MONOLITH_CH4_THREADS_DELAY", 0.1))
 
 # Seconds to wait between crawls
-CRAWL_DELAY = 5
+CRAWL_DELAY = int(getenv("MONOLITH_CH4_CRAWL_DELAY", 5))
 
 # Semaphore value ?
-THREADS_SEMAPHORE = 1000
+THREADS_SEMAPHORE = int(getenv("MONOLITH_CH4_THREADS_SEMAPHORE", 1000))
 
 # CONFIGURATION END #