From b6df49a6bcde83c5eeed27853dd92d2bddaa27ff Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@tremily.us>
Date: Sun, 22 Dec 2013 14:02:11 -0800
Subject: [PATCH] Add PGPPacket.key pointing back up to the PGPKey

This allows us to do stuff like caching passphrases on a key-wide
level, instead of asking for the passphrase for each packet.  The
actuall caching commit is coming next, this commit just lands the
framework.
---
 gpg-migrate.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/gpg-migrate.py b/gpg-migrate.py
index aae79c7..4290551 100755
--- a/gpg-migrate.py
+++ b/gpg-migrate.py
@@ -271,6 +271,10 @@ class PGPPacket (dict):
 
     _clean_type_regex = _re.compile('\W+')
 
+    def __init__(self, key=None):
+        super(PGPPacket, self).__init__()
+        self.key = key
+
     def _clean_type(self, type=None):
         if type is None:
             type = self['type']
@@ -727,7 +731,7 @@ class PGPPacket (dict):
             subpacket['features'].add('modification detection')
 
     def _parse_embedded_signature_signature_subpacket(self, data, subpacket):
-        subpacket['embedded'] = PGPPacket()
+        subpacket['embedded'] = PGPPacket(key=self.key)
         subpacket['embedded']._parse_signature_packet(data=data)
 
     def _parse_user_id_packet(self, data):
@@ -1016,7 +1020,7 @@ class PGPKey (object):
     def _packets_from_bytes(self, data):
         offset = 0
         while offset < len(data):
-            packet = PGPPacket()
+            packet = PGPPacket(key=self)
             offset += packet.from_bytes(data=data[offset:])
             yield packet
 
-- 
2.26.2