From 67746dcced5a43072cb8ea9df775ca9ddd12e8df Mon Sep 17 00:00:00 2001
From: Nils <git@velohero.com>
Date: Tue, 27 Jun 2017 21:35:36 +0200
Subject: [PATCH] use print_function

---
 plugins/ethereum/ethermine_ | 67 ++++++++++++-------------------------
 1 file changed, 22 insertions(+), 45 deletions(-)

diff --git a/plugins/ethereum/ethermine_ b/plugins/ethereum/ethermine_
index 20716e9b..be5fc794 100755
--- a/plugins/ethereum/ethermine_
+++ b/plugins/ethereum/ethermine_
@@ -15,6 +15,8 @@
 # ln -s /usr/share/munin/plugins/ethermine_ /etc/munin/plugins/ethermine_3257bde8cf067ae6f1ddc0e4b140fe02e3c5e44f_mine
 #
 
+from __future__ import print_function
+
 import os
 import sys
 import urllib2
@@ -28,62 +30,37 @@ if len(sys.argv) > 1:
     command = sys.argv[1]
 
 try:
-    OPTIONS[1]
-except IndexError:
-    print "Ethereum address missing!"
-    sys.exit(9)
-
-ETH_ADDRESS = OPTIONS[1]
-
-if ETH_ADDRESS == "":
-    print "Ethereum address missing!"
-    sys.exit(9)
-
-try:
-    OPTIONS[2]
-except IndexError:
-    print "Rig name missing!"
-    sys.exit(9)
-
-MINER = OPTIONS[2]
-
-if MINER == "":
-    print "Rig name missing!"
-    sys.exit(9)
+    ETH_ADDRESS, MINER = sys.argv[0].split("_")[1:]
+except ValueError:
+    print("The filename of this plugin (or its symlink) should follow this pattern: "
+          "'<YOUR_PUBLIC_ETHEREUM_ADDRESS>_<YOUR_RIG_NAME>'", file=sys.stderr)
+    sys.exit(0)
 
 if command == 'config':
-    print "graph_title Ethermine " + MINER
-    print "graph_info Ethermine Hashrate " + ETH_ADDRESS +"/" + MINER
-    print "graph_vlabel Ethermine Hashrate"
-    print "graph_category htc"
-    print ETH_ADDRESS + "_" + MINER + ".warning 20:"
-    print ETH_ADDRESS + "_" + MINER + ".critical 10:"
-    print ETH_ADDRESS + "_" + MINER + ".label MH/s"
+    print("graph_title Ethermine {}".format(ETH_ADDRESS))
+    print("graph_info Ethermine Hashrate {}/{}".format(ETH_ADDRESS, MINER))
+    print("graph_vlabel Ethermine Hashrate")
+    print("graph_category htc")
+    print("{}_{}.warning 20:".format(ETH_ADDRESS, MINER));
+    print("{}_{}.critical 10:".format(ETH_ADDRESS, MINER));
+    print("{}_{}.label MH/s:".format(ETH_ADDRESS, MINER));
     sys.exit(0)
 
 
-POOL_URL = 'https://ethermine.org/api/miner_new'
-STATS = POOL_URL + '/' + ETH_ADDRESS
+ETHERMINE_API_URL = 'https://ethermine.org/api/miner_new/' + ETH_ADDRESS
 
-mining_req = urllib2.Request(STATS)
+mining_req = urllib2.Request(ETHERMINE_API_URL)
 mining_req.add_header('User-Agent', 'Mozilla/5.0')
 
 try:
-    mining_stats_raw = urllib2.urlopen(mining_req, None, 1.5 )
-except urllib2.HTTPError as e:
-    print "HTTP Error!"
-    sys.exit(9)
-except urllib2.URLError:
-    print "HTTP URL Error!"
-    sys.exit(9)
-except socket.timeout:
-    print "HTTP Timed out!"
-    sys.exit(9)
+    mining_stats_raw = urllib2.urlopen(mining_req, timeout=1.5 )
+except IOError as exc:
+    print("Failed to request ethermine.org API: {}".format(exc), file=sys.stderr)
 
 try:
     mining_stats = json.load(mining_stats_raw)
-except:
-    print "JSON Error!"
+except ValueError:
+    print("Failed to parse JSON responce.", file=sys.stderr);
     sys.exit(9)
 
 workers = mining_stats['workers']
@@ -93,4 +70,4 @@ for worker in workers:
     if workers[worker]['worker'] == MINER:
         hash_rate = workers[worker]['hashrate']
         hash_rate = hash_rate.replace(" MH/s", "")
-        print ETH_ADDRESS + "_" + MINER + ".value %s " % hash_rate
\ No newline at end of file
+        print("{}_{}.value %s".format(ETH_ADDRESS, MINER, hash_rate));
\ No newline at end of file