python: Improve support for edit callbacks.

* lang/python/helpers.c (pyEditCb): Stash exceptions.
* lang/python/pyme/core.py (Context.op_edit): Hand in 'self'.
* lang/python/tests/Makefile.am (py_tests): Add new test.
* lang/python/tests/t-callbacks.py: Test edit callbacks.
* lang/python/tests/t-edit.py: New file.

Signed-off-by: Justus Winter <[email protected]>

1 files changed, 62 insertions, 0 deletions

diff --git a/lang/python/tests/t-edit.py b/lang/python/tests/t-edit.py
new file mode 100755
index 00000000..64255c95
--- /dev/null
+++ b/lang/python/tests/t-edit.py
@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2005 Igor Belyi <[email protected]>
+# Copyright (C) 2016 g10 Code GmbH
+#
+# This file is part of GPGME.
+#
+# GPGME is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# GPGME is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
+# Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+import sys
+import os
+from pyme import core, constants
+import support
+
+class KeyEditor(object):
+    def __init__(self):
+        self.steps = ["fpr", "expire", "1", "primary", "quit"]
+        self.step = 0
+        self.done = False
+        self.verbose = int(os.environ.get('verbose', 0)) > 1
+
+    def edit_fnc(self, status, args, out):
+        if args == "keyedit.prompt":
+            result = self.steps[self.step]
+            self.step += 1
+        elif args == "keyedit.save.okay":
+            result = "Y"
+            self.done = self.step == len(self.steps)
+        elif args == "keygen.valid":
+            result = "0"
+        else:
+            result = None
+
+        if self.verbose:
+            sys.stderr.write("Code: {}, args: {!r}, Returning: {!r}\n"
+                             .format(status, args, result))
+
+        return result
+
+support.init_gpgme(constants.PROTOCOL_OpenPGP)
+
+c = core.Context()
+c.set_pinentry_mode(constants.PINENTRY_MODE_LOOPBACK)
+c.set_passphrase_cb(lambda *args: "abc")
+c.set_armor(True)
+sink = core.Data()
+
+editor = KeyEditor()
+c.op_edit(c.get_key("A0FF4590BB6122EDEF6E3C542D727CC768697734", False),
+          editor.edit_fnc, sink, sink)
+assert editor.done