python: Add an idiomatic interface.

* configure.ac: Bump required Python version.
* lang/python/pyme/__init__.py: Update docstring.  Import Context and
Data.
* lang/python/pyme/core.py (Context.encrypt): New function.
(Context.decrypt): Likewise.
(Context.sign): Likewise.
(Context.verify): Likewise.
* lang/python/pyme/errors.py: Add new errors.
* lang/python/pyme/util.py (process_constants): Rework and return the
inserted keys.
* lang/python/tests/Makefile.am (EXTRA_DIST): Add new keys.
* lang/python/tests/encrypt-only.asc: New file.
* lang/python/tests/sign-only.asc: Likewise.
* lang/python/tests/initial.py: Mark key 'Alpha' as trusted, import
new keys.
* lang/python/tests/support.py: Add fingerprints of known keys.
(in_srcdir): New function.
(print_data): Handle bytes too.
(mark_key_trusted): New function.
* lang/python/tests/t-decrypt-verify.py: Adjust test.  Test idiomatic
interface.
* lang/python/tests/t-decrypt.py: Test idiomatic interface.
* lang/python/tests/t-encrypt-sign.py: Likewise.
* lang/python/tests/t-encrypt-sym.py: Likewise.
* lang/python/tests/t-encrypt.py: Likewise.
* lang/python/tests/t-idiomatic.py: Simplify.
* lang/python/tests/t-keylist.py: Adjust to newly trusted key.
* lang/python/tests/t-sign.py: Likewise.  Test idiomatic interface.
* lang/python/tests/t-signers.py: Likewise.
* lang/python/tests/t-verify.py: Likewise.

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

1 files changed, 36 insertions, 2 deletions

diff --git a/lang/python/tests/support.py b/lang/python/tests/support.py
index 8bafea8b..f42fc2ec 100644
--- a/lang/python/tests/support.py
+++ b/lang/python/tests/support.py
@@ -19,14 +19,48 @@ import sys
 import os
 from pyme import core
 
+# known keys
+alpha = "A0FF4590BB6122EDEF6E3C542D727CC768697734"
+bob = "D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2"
+encrypt_only = "F52770D5C4DB41408D918C9F920572769B9FE19C"
+sign_only = "7CCA20CCDE5394CEE71C9F0BFED153F12F18F45D"
+
 def make_filename(name):
     return os.path.join(os.environ['top_srcdir'], 'tests', 'gpg', name)
 
+def in_srcdir(name):
+    return os.path.join(os.environ['srcdir'], name)
+
 def init_gpgme(proto):
     core.engine_check_version(proto)
 
 verbose = int(os.environ.get('verbose', 0)) > 1
 def print_data(data):
     if verbose:
-        data.seek(0, os.SEEK_SET)
-        sys.stdout.buffer.write(data.read())
+        try:
+            # See if it is a file-like object.
+            data.seek(0, os.SEEK_SET)
+            data = data.read()
+        except:
+            # Hope for the best.
+            pass
+        sys.stdout.buffer.write(data)
+
+def mark_key_trusted(ctx, key):
+    class Editor(object):
+        def __init__(self):
+            self.steps = ["trust", "save"]
+        def edit(self, status, args, out):
+            if args == "keyedit.prompt":
+                result = self.steps.pop(0)
+            elif args == "edit_ownertrust.value":
+                result = "5"
+            elif args == "edit_ownertrust.set_ultimate.okay":
+                result = "Y"
+            elif args == "keyedit.save.okay":
+                result = "Y"
+            else:
+                result = None
+            return result
+    with core.Data() as sink:
+        ctx.op_edit(key, Editor().edit, sink, sink)