pass pep8

This patch make the script pass pep8. No logical changes, it is mostly
whitespaces tweaks.

pep8 ignores E501 'lines too long' though.

.pep8

@@ -0,0 +1,3 @@
+[pep8]
+# Ignore 'line too long'
+ignore = E501

jenkins-to-graphite.py

@@ -30,15 +30,16 @@
     # this should be available in any python 2.6 or newer
     import json
 except:
-  try:
-      # simplejson is a good replacement on 2.5 installs
-      import simplejson as json
-  except:
-      print "FATAL ERROR: can't find any json library for python"
-      print "Please install simplejson, json, or upgrade to python 2.6+"
-      sys.exit(1)
+    try:
+        # simplejson is a good replacement on 2.5 installs
+        import simplejson as json
+    except:
+        print "FATAL ERROR: can't find any json library for python"
+        print "Please install simplejson, json, or upgrade to python 2.6+"
+        sys.exit(1)
 #end json import
 
+
 class JenkinsServer(object):
     def __init__(self, base_url, user, password):
         self.base_url = base_url
@@ -68,14 +69,15 @@ def get_raw_data(self, url):
             f.close()
             data = json.loads(response)
         except Exception, e:
-            logging.warn("Unable to get jenkins response for url %s: %s" %(url, e))
+            logging.warn("Unable to get jenkins response for url %s: %s" % (url, e))
             return {}
 
         return data
 
     def get_data(self, url):
         return self.get_raw_data("%s/api/json" % url)
 
+
 class GraphiteServer(object):
     def __init__(self, server, port, prefix):
         self.server = server
@@ -85,7 +87,7 @@ def __init__(self, server, port, prefix):
         self.data = {}
 
     def add_data(self, key, value):
-        self.data["%s.%s" %( self.prefix, key)] = value
+        self.data["%s.%s" % (self.prefix, key)] = value
 
     def _data_as_msg(self):
         msg = ""
@@ -107,14 +109,15 @@ def send(self):
 
         return True
 
+
 def parse_args():
     parser = optparse.OptionParser()
     parser.add_option("", "--graphite-server",
                       help="Host name of the server running graphite")
     parser.add_option("", "--graphite-port",
                       default="2003")
     parser.add_option("", "--jenkins-url",
-                     help="Base url of your jenkins server (ex http://jenkins.example.com")
+                      help="Base url of your jenkins server (ex http://jenkins.example.com")
     parser.add_option("", "--jenkins-user",
                       help="User to authenticate with for jenkins")
     parser.add_option("", "--jenkins-password",
@@ -135,6 +138,7 @@ def parse_args():
 
     return opts
 
+
 def main():
     opts = parse_args()
     jenkins = JenkinsServer(opts.jenkins_url, opts.jenkins_user,
@@ -144,8 +148,8 @@ def main():
 
     executor_info = jenkins.get_data("computer")
     queue_info = jenkins.get_data("queue")
-    build_info_min = jenkins.get_raw_data("view/All/timeline/data?min=%d&max=%d" % ((time.time() - 60)*1000, time.time()*1000))
-    build_info_hour = jenkins.get_raw_data("view/All/timeline/data?min=%d&max=%d" % ((time.time() - 3600)*1000, time.time()*1000))
+    build_info_min = jenkins.get_raw_data("view/All/timeline/data?min=%d&max=%d" % ((time.time() - 60) * 1000, time.time() * 1000))
+    build_info_hour = jenkins.get_raw_data("view/All/timeline/data?min=%d&max=%d" % ((time.time() - 3600) * 1000, time.time() * 1000))
 
     graphite.add_data("queue.size", len(queue_info.get("items", [])))
 
@@ -158,7 +162,7 @@ def main():
                       executor_info.get("totalExecutors", 0) -
                       executor_info.get("busyExecutors", 0))
 
-    nodes_total = executor_info.get("computer", []);
+    nodes_total = executor_info.get("computer", [])
     nodes_offline = [j for j in nodes_total if j.get("offline")]
     graphite.add_data("nodes.total", len(nodes_total))
     graphite.add_data("nodes.offline", len(nodes_offline))