python bindings: core key import

* The foundation of a pythonic key import function authored by Jacob
  Adams.
* A unit testing script for the same function originally authored by
  Tobias Mueller
* Added DCO reference for Jacob Adams to the GPGME AUTHORS file.
* Additional details regarding this patch are available here:
  https://dev.gnupg.org/T4001

Signed-off-by: Ben McGinnes <[email protected]>

1 files changed, 19 insertions, 0 deletions

diff --git a/lang/python/src/core.py b/lang/python/src/core.py
index bd95d231..1b83a5d4 100644
--- a/lang/python/src/core.py
+++ b/lang/python/src/core.py
@@ -509,6 +509,25 @@ class Context(GpgmeWrapper):
 
         return results
 
+    def key_import(self, data):
+        """Import data
+
+        Imports the given data into the Context.
+
+        Returns:
+        result -- information about the imported data
+
+        Raises:
+        GPGMEError      -- as signaled by the underlying library
+        ValueError      -- Raised if no keys are present in the data
+
+        """
+        self.op_import(data)
+        result = self.op_import_result()
+        if result.considered == 0:
+            raise ValueError
+        return result
+
     def keylist(self, pattern=None, secret=False,
                 mode=constants.keylist.mode.LOCAL,
                 source=None):