diff options
| -rw-r--r-- | nova/auth/signer.py | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/nova/auth/signer.py b/nova/auth/signer.py index cd4c7e253..1b351457b 100644 --- a/nova/auth/signer.py +++ b/nova/auth/signer.py @@ -48,12 +48,15 @@ import hashlib import hmac import urllib -# NOTE(vish): for new boto -import boto -# for boto.utils -import boto.provider -# NOTE(vish): for old boto -import boto.utils +try: + # NOTE(vish): for new boto + import boto + # for boto.utils + import boto.provider + # NOTE(vish): for old boto + import boto.utils +except ImportError: + boto = None from nova import exception from nova import log as logging @@ -74,6 +77,8 @@ class Signer(object): def s3_authorization(self, headers, verb, path): """Generate S3 authorization string.""" + if not boto: + raise exception.Error('boto is not installed') c_string = boto.utils.canonical_string(verb, path, headers) hmac_copy = self.hmac.copy() hmac_copy.update(c_string) |