Emit proper warnings
diff --git a/OpenSSL/crypto.py b/OpenSSL/crypto.py
index 0aa140a..e8b6d3c 100644
--- a/OpenSSL/crypto.py
+++ b/OpenSSL/crypto.py
@@ -1,3 +1,4 @@
+import warnings
from time import time
from base64 import b16encode
from functools import partial
@@ -1955,7 +1956,7 @@
# Backward compatibility
if isinstance(passphrase, _text_type):
- DeprecationWarning("str object in passphrase is no longer accepted, use bytes")
+ warnings.warn("str object in passphrase is no longer accepted, use bytes", DeprecationWarning)
passphrase = passphrase.encode('utf-8')
if self._cacerts is None:
@@ -2258,7 +2259,7 @@
# Backward compatibility
if isinstance(data, _text_type):
- DeprecationWarning("str object in passphrase is no longer accepted, use bytes")
+ warnings.warn("str object in passphrase is no longer accepted, use bytes", DeprecationWarning)
data = data.encode('utf-8')
digest_obj = _lib.EVP_get_digestbyname(_byte_string(digest))
@@ -2298,7 +2299,7 @@
# Backward compatibility
if isinstance(data, _text_type):
- DeprecationWarning("str object in passphrase is no longer accepted, use bytes")
+ warnings.warn("str object in passphrase is no longer accepted, use bytes", DeprecationWarning)
data = data.encode('utf-8')
digest_obj = _lib.EVP_get_digestbyname(_byte_string(digest))
@@ -2395,7 +2396,7 @@
# Backward compatibility
if isinstance(passphrase, _text_type):
- DeprecationWarning("str object in passphrase is no longer accepted, use bytes")
+ warnings.warn("str object in passphrase is no longer accepted, use bytes", DeprecationWarning)
passphrase = passphrase.encode('utf-8')
if isinstance(buffer, _text_type):