2 files changed, 28 insertions, 4 deletions
diff --git a/lang/python/pyme/core.py b/lang/python/pyme/core.py
index cd5217f3..f0eab436 100644
--- a/lang/python/pyme/core.py
+++ b/lang/python/pyme/core.py
@@ -680,11 +680,19 @@ class Context(GpgmeWrapper):
                         -- the matching key
 
         Raises:
+        KeyError	-- if the key was not found
         GPGMEError	-- as signaled by the underlying library
 
         """
         ptr = gpgme.new_gpgme_key_t_p()
-        errorcheck(gpgme.gpgme_get_key(self.wrapped, fpr, ptr, secret))
+
+        try:
+            errorcheck(gpgme.gpgme_get_key(self.wrapped, fpr, ptr, secret))
+        except errors.GPGMEError as e:
+            if e.getcode() == errors.EOF:
+                raise errors.KeyNotFound(fpr)
+            raise e
+
         key = gpgme.gpgme_key_t_p_value(ptr)
         gpgme.delete_gpgme_key_t_p(ptr)
         assert key
diff --git a/lang/python/pyme/errors.py b/lang/python/pyme/errors.py
index e26c7476..0fd85efa 100644
--- a/lang/python/pyme/errors.py
+++ b/lang/python/pyme/errors.py
@@ -21,10 +21,12 @@ del absolute_import, print_function, unicode_literals
 from . import gpgme
 from . import util
 
-util.process_constants('GPG_ERR_', globals())
+# To appease static analysis tools, we define some constants here.
+# They are overwritten with the proper values by process_constants.
+NO_ERROR = None
+EOF = None
 
-# To appease static analysis tools, we define some constants here:
-NO_ERROR = 0
+util.process_constants('GPG_ERR_', globals())
 
 class PymeError(Exception):
     pass
@@ -58,6 +60,20 @@ def errorcheck(retval, extradata = None):
     if retval:
         raise GPGMEError(retval, extradata)
 
+class KeyNotFound(GPGMEError, KeyError):
+    """Raised if a key was not found
+
+    GPGME indicates this condition with EOF, which is not very
+    idiomatic.  We raise this error that is both a GPGMEError
+    indicating EOF, and a KeyError.
+
+    """
+    def __init__(self, keystr):
+        self.keystr = keystr
+        GPGMEError.__init__(self, EOF)
+    def __str__(self):
+        return self.keystr
+
 # These errors are raised in the idiomatic interface code.
 
 class EncryptionError(PymeError):