Port authorized_keys to a syntax compatible with python3 and 2.4 (#3677)

lib/ansible/modules/system/authorized_key.py

@@ -185,7 +185,8 @@ def keyfile(module, user, write=False, path=None, manage_dir=True):
 
     try:
         user_entry = pwd.getpwnam(user)
-    except KeyError, e:
+    except KeyError:
+        e = get_exception()
         if module.check_mode and path is None:
             module.fail_json(msg="Either user must exist or you must provide full path to key file in check mode")
         module.fail_json(msg="Failed to lookup user %s: %s" % (user, str(e)))
@@ -205,11 +206,11 @@ def keyfile(module, user, write=False, path=None, manage_dir=True):
 
     if manage_dir:
         if not os.path.exists(sshdir):
-            os.mkdir(sshdir, 0700)
+            os.mkdir(sshdir, int('0700', 8))
             if module.selinux_enabled():
                 module.set_default_selinux_context(sshdir, False)
         os.chown(sshdir, uid, gid)
-        os.chmod(sshdir, 0700)
+        os.chmod(sshdir, int('0700', 8))
 
     if not os.path.exists(keysfile):
         basedir = os.path.dirname(keysfile)
@@ -224,7 +225,7 @@ def keyfile(module, user, write=False, path=None, manage_dir=True):
 
     try:
         os.chown(keysfile, uid, gid)
-        os.chmod(keysfile, 0600)
+        os.chmod(keysfile, int('0600', 8))
     except OSError:
         pass
 
@@ -349,7 +350,8 @@ def writekeys(module, filename, keys):
             except:
                 key_line = key
             f.writelines(key_line)
-    except IOError, e:
+    except IOError:
+        e = get_exception()
         module.fail_json(msg="Failed to write to file %s: %s" % (tmp_path, str(e)))
     f.close()
     module.atomic_move(tmp_path, filename)