[general] Add Python3 support

* Change some formatting to please python3
* remote pyroute2 dependency, for which I didn't find a python3 module
  in Fedora24

this solves #1

bumblebee/modules/dnf.py

@@ -37,7 +37,7 @@ def get_dnf_info(obj):
         bugfixes = 0
         enhancements = 0
         other = 0
-        for line in res.split("\n"):
+        for line in res.decode().split("\n"):
             if not line.startswith(" "): continue
             elif "ecurity" in line:
                 for s in str.split(line):

bumblebee/modules/nic.py

@@ -1,4 +1,3 @@
-import pyroute2
 import netifaces
 import bumblebee.module
 
@@ -39,14 +38,9 @@ class Module(bumblebee.module.Module):
         return result
 
     def _iswlan(self, intf):
-        iw = pyroute2.IW()
-        ip = pyroute2.IPRoute()
-        idx = ip.link_lookup(ifname=intf)[0]
-        try:
-            iw.get_interface_by_ifindex(idx)
-            return True
-        except Exception as e:
-            return False
+        # wifi, wlan, wlp, seems to work for me
+        if intf.startswith("w"): return True
+        return False
 
     def _istunnel(self, intf):
         return intf.startswith("tun")

bumblebee/modules/pulseaudio.py

@@ -41,7 +41,7 @@ class Module(bumblebee.module.Module):
         res = subprocess.check_output(shlex.split("pactl info"))
         channel = "sinks" if self._module == "pasink" else "sources"
         name = None
-        for line in res.split("\n"):
+        for line in res.decode().split("\n"):
             if line.startswith("Default Sink: ") and channel == "sinks":
                 name = line[14:]
             if line.startswith("Default Source: ") and channel == "sources":
@@ -50,7 +50,7 @@ class Module(bumblebee.module.Module):
         res = subprocess.check_output(shlex.split("pactl list {}".format(channel)))
 
         found = False
-        for line in res.split("\n"):
+        for line in res.decode().split("\n"):
             if "Name:" in line and found == True:
                 break
             if name in line:
@@ -72,7 +72,7 @@ class Module(bumblebee.module.Module):
                     self._left = m.group(1)
                     self._right = m.group(2)
         result = ""
-        if self._mono > 0:
+        if int(self._mono) > 0:
             result = "{}%".format(self._mono)
         elif self._left == self._right:
             result = "{}%".format(self._left)

bumblebee/modules/time.py

@@ -26,7 +26,7 @@ class Module(bumblebee.module.Module):
 
         module = self.__module__.split(".")[-1]
 
-        self._fmt = self._config.parameter("format", default_format(module_format(module)))
+        self._fmt = self._config.parameter("format", default_format(module))
 
     def widgets(self):
         return bumblebee.output.Widget(self, datetime.datetime.now().strftime(self._fmt))