Adopt the way which is described in /usr/share/doc/gnupg/DETAILS.gz which expands first line, and use email.utils.parseaddr()

ddportfolioservice/model/keyringanalyzer.py

@@ -35,6 +35,7 @@ import os.path
 import logging
 import subprocess
 import sys
+import email.utils
 
 
 def _get_keyrings():
@@ -58,22 +59,8 @@ def _parse_uid(uid):
     Parse a uid of the form 'Real Name <email@example.com>' into email
     and realname parts.
     """
-    uid = uid.strip()
-    # First, strip comment
-    s = uid.find('(')
-    e = uid.find(')')
-    if s >= 0 and e >= 0:
-        uid = uid[:s] + uid[e + 1:]
-    s = uid.find('<')
-    e = uid.find('>')
-    email = None
-    if s >= 0 and e >= 0:
-        email = uid[s + 1:e]
-        uid = uid[:s] + uid[e + 1:]
-    uid = uid.strip()
-    if not email and uid.find('@') >= 0:
-        email, uid = uid, email
-    return (uid, email)
+    (uid, mail) = email.utils.parseaddr(uid)
+    return (uid, mail)
 
 resultdict = {}
 
@@ -85,6 +72,7 @@ def _get_canonical(key):
 
 
 def _add_to_result(key, newvalue):
+    logging.debug("adding %s: %s", key, newvalue)
     thekey = _get_canonical(key)
     if newvalue not in resultdict[thekey]:
         resultdict[thekey].append(newvalue)
@@ -95,10 +83,10 @@ def process_keyrings():
     file."""
     for keyring in _get_keyrings():
         logging.debug("get data from %s", keyring)
-        proc = subprocess.Popen(["gpg", "--no-default-keyring",
+        proc = subprocess.Popen(["gpg", "--no-options", "--no-default-keyring",
             "--no-expensive-trust-checks",
             "--keyring", keyring, "--list-keys",
-            "--with-colons", "--fingerprint"],
+            "--with-colons", "--fixed-list-mode", "--with-fingerprint", "--with-fingerprint"],
             stdout=subprocess.PIPE)
         fpr = None
         entry = None
@@ -108,11 +96,10 @@ def process_keyrings():
             uid = None
             if items[0] == 'pub':
                 fpr = entry = None
-                lastpub = items[9].strip()
+                lastpub = items[4].strip()
                 continue
             elif items[0] == 'fpr':
                 fpr = items[9].strip()
-                uid = lastpub
             elif items[0] == 'uid':
                 uid = items[9].strip()
             else: