1 files changed, 19 insertions, 17 deletions
diff --git a/scripts-dev/check_signature.py b/scripts-dev/check_signature.py
index 079577908a..612f17ca7f 100644
--- a/scripts-dev/check_signature.py
+++ b/scripts-dev/check_signature.py
@@ -1,15 +1,15 @@
 
-from signedjson.sign import verify_signed_json
-from signedjson.key import decode_verify_key_bytes, write_signing_keys
-from unpaddedbase64 import decode_base64
-
-import urllib2
+import argparse
 import json
+import logging
 import sys
+import urllib2
+
 import dns.resolver
-import pprint
-import argparse
-import logging
+from signedjson.key import decode_verify_key_bytes, write_signing_keys
+from signedjson.sign import verify_signed_json
+from unpaddedbase64 import decode_base64
+
 
 def get_targets(server_name):
     if ":" in server_name:
@@ -23,6 +23,7 @@ def get_targets(server_name):
     except dns.resolver.NXDOMAIN:
         yield (server_name, 8448)
 
+
 def get_server_keys(server_name, target, port):
     url = "https://%s:%i/_matrix/key/v1" % (target, port)
     keys = json.load(urllib2.urlopen(url))
@@ -33,12 +34,14 @@ def get_server_keys(server_name, target, port):
         verify_keys[key_id] = verify_key
     return verify_keys
 
+
 def main():
 
     parser = argparse.ArgumentParser()
     parser.add_argument("signature_name")
-    parser.add_argument("input_json", nargs="?", type=argparse.FileType('r'),
-                        default=sys.stdin)
+    parser.add_argument(
+        "input_json", nargs="?", type=argparse.FileType('r'), default=sys.stdin
+    )
 
     args = parser.parse_args()
     logging.basicConfig()
@@ -48,24 +51,23 @@ def main():
     for target, port in get_targets(server_name):
         try:
             keys = get_server_keys(server_name, target, port)
-            print "Using keys from https://%s:%s/_matrix/key/v1" % (target, port)
+            print("Using keys from https://%s:%s/_matrix/key/v1" % (target, port))
             write_signing_keys(sys.stdout, keys.values())
             break
-        except:
+        except Exception:
             logging.exception("Error talking to %s:%s", target, port)
 
     json_to_check = json.load(args.input_json)
-    print "Checking JSON:"
+    print("Checking JSON:")
     for key_id in json_to_check["signatures"][args.signature_name]:
         try:
             key = keys[key_id]
             verify_signed_json(json_to_check, args.signature_name, key)
-            print "PASS %s" % (key_id,)
-        except:
+            print("PASS %s" % (key_id,))
+        except Exception:
             logging.exception("Check for key %s failed" % (key_id,))
-            print "FAIL %s" % (key_id,)
+            print("FAIL %s" % (key_id,))
 
 
 if __name__ == '__main__':
     main()
-