change 'except' syntax to python 3 style.

Everywhere that there occurred:
  except Exception, e:
changed to
  except Exception as e:

cloud-init-cfg.py

@@ -65,7 +65,7 @@ def main():
     try:
         (outfmt, errfmt) = CC.get_output_cfg(cc.cfg,modename)
         CC.redirect_output(outfmt, errfmt)
-    except Exception, e:
+    except Exception as e:
         err("Failed to get and set output config: %s\n" % e)
 
     cloudinit.logging_set_from_cfg(cc.cfg)

cloud-init.py

@@ -57,7 +57,7 @@ def main():
         cfg = cloudinit.get_base_cfg()
         (outfmt, errfmt) = CC.get_output_cfg(cfg,"init")
         CC.redirect_output(outfmt, errfmt)
-    except Exception, e:
+    except Exception as e:
         warn("Failed to get and set output config: %s\n" % e)
 
     msg = "cloud-init %s running: %s. up %s seconds" % (cmd, now, uptime)
@@ -70,7 +70,7 @@ def main():
 
     try:
         cloudinit.initfs()
-    except Exception, e:
+    except Exception as e:
         warn("failed to initfs, likely bad things to come: %s\n" % str(e))
         
 
@@ -120,7 +120,7 @@ def main():
         if outfmt_orig != outfmt or errfmt_orig != errfmt:
             warn("stdout, stderr changing to (%s,%s)" % (outfmt,errfmt))
             CC.redirect_output(outfmt, errfmt)
-    except Exception, e:
+    except Exception as e:
         warn("Failed to get and set output config: %s\n" % e)
 
     module_list = CC.read_cc_modules(cc.cfg,"cloud_init_modules")

cloudinit/CloudConfig/cc_locale.py

@@ -38,6 +38,6 @@ def handle(name,cfg,cloud,log,args):
 
     try:
         apply_locale(locale)
-    except Exception, e:
+    except Exception as e:
         log.debug(traceback.format_exc(e))
         raise Exception("failed to apply locale %s" % locale)

cloudinit/CloudConfig/cc_phone_home.py

@@ -88,7 +88,7 @@ def handle(name,cfg,cloud,log,args):
             util.readurl(url, submit_keys)
             log.debug("succeeded submit to %s on try %i" % (url, i+1))
             return
-        except Exception, e:
+        except Exception as e:
             log.debug("failed to post to %s on try %i" % (url, i+1))
             last_e = e
         sleep(3)

cloudinit/CloudConfig/cc_resizefs.py

@@ -34,7 +34,7 @@ def handle(name,cfg,cloud,log,args):
     cmd = ['blkid', '-sTYPE', '-ovalue', '/dev/root']
     try:
         (fstype,err) = util.subp(cmd)
-    except Exception, e:
+    except Exception as e:
         log.warn("Failed to get filesystem type via %s" % cmd)
         raise
 
@@ -48,7 +48,7 @@ def handle(name,cfg,cloud,log,args):
 
     try:
         (out,err) = util.subp(resize_cmd)
-    except Exception, e:
+    except Exception as e:
         log.warn("Failed to resize filesystem (%s,%s)" % cmd)
         raise
         

cloudinit/CloudConfig/cc_rightscale_userdata.py

@@ -65,7 +65,7 @@ def handle(name,cfg,cloud,log,args):
         try:
             content = util.readurl(url)
             util.write_file(fname, content, mode=0700)
-        except Exception, e:
+        except Exception as e:
             if not first_e: first_e = None
             log.warn("%s failed to read %s: %s" % (my_name, url, e))
             

cloudinit/CloudConfig/cc_rsyslog.py

@@ -64,7 +64,7 @@ def handle(name,cfg,cloud,log,args):
 
         try:
             util.write_file(filename, content + "\n", omode=omode)
-        except Exception, e:
+        except Exception as e:
             log.debug(traceback.format_exc(e))
             elst.append((content, "failed to write to %s" % filename))
 
@@ -83,7 +83,7 @@ def handle(name,cfg,cloud,log,args):
         p = util.subp(['service', 'rsyslog', 'restart'])
         restarted = True
 
-    except Exception, e:
+    except Exception as e:
         elst.append(("restart", str(e)))
     
     if restarted:

cloudinit/CloudConfig/cc_set_hostname.py

@@ -26,7 +26,7 @@ def handle(name,cfg,cloud,log,args):
     try:
         hostname = util.get_cfg_option_str(cfg,"hostname",cloud.get_hostname())
         set_hostname(hostname, log)
-    except Exception, e:
+    except Exception as e:
         util.logexc(log)
         log.warn("failed to set hostname\n")
 

cloudinit/CloudConfig/cc_update_hostname.py

@@ -31,7 +31,7 @@ def handle(name,cfg,cloud,log,args):
         hostname = util.get_cfg_option_str(cfg,"hostname",cloud.get_hostname())
         prev ="%s/%s" % (cloud.get_cpath('datadir'),"previous-hostname")
         update_hostname(hostname, prev, log)
-    except Exception, e:
+    except Exception as e:
         log.warn("failed to set hostname\n")
         raise
 
@@ -50,7 +50,7 @@ def read_hostname(filename, default=None):
             line = line.rstrip()
             if line:
                 return line
-    except IOError, e:
+    except IOError as e:
         if e.errno != errno.ENOENT: raise
     return default
     
@@ -62,7 +62,7 @@ def update_hostname(hostname, prev_file, log):
 
     try:
         hostname_prev = read_hostname(prev_file)
-    except Exception, e:
+    except Exception as e:
         log.warn("Failed to open %s: %s" % (prev_file, e))
 
     try:

cloudinit/DataSourceEc2.py

@@ -99,9 +99,9 @@ class DataSourceEc2(DataSource.DataSource):
                 resp = urllib2.urlopen(req, timeout=2)
                 if resp.read() != "": return True
                 reason = "empty data [%s]" % resp.getcode()
-            except urllib2.HTTPError, e:
+            except urllib2.HTTPError as e:
                 reason = "http error [%s]" % e.code
-            except urllib2.URLError, e:
+            except urllib2.URLError as e:
                 reason = "url error [%s]" % e.reason
     
             if x == 0:

cloudinit/__init__.py

@@ -222,7 +222,7 @@ class CloudInit:
     def set_cur_instance(self):
         try:
             os.unlink(cur_instance_link)
-        except OSError, e:
+        except OSError as e:
             if e.errno != errno.ENOENT: raise
 
         os.symlink("./instances/%s" % self.get_instance_id(), cur_instance_link)

cloudinit/boto_utils.py

@@ -43,7 +43,7 @@ def retry_url(url, retry_on_404=True):
             req = urllib2.Request(url)
             resp = urllib2.urlopen(req)
             return resp.read()
-        except urllib2.HTTPError, e:
+        except urllib2.HTTPError as e:
             # in 2.6 you use getcode(), in 2.5 and earlier you use code
             if hasattr(e, 'getcode'):
                 code = e.getcode()