Change how we create the pubring.gpg and secring.gpg.

gnupg/gnupg.py

@@ -389,7 +389,7 @@ class GPG(object):
         for ring in [self.secring, self.pubring]:
             if ring and not os.path.isfile(ring):
                 with open(ring, 'a+') as ringfile:
-                    ringfile.write(" ")
+                    ringfile.write("")
                     ringfile.flush()
             try:
                 assert _has_readwrite(ring), \
@@ -864,7 +864,7 @@ class GPG(object):
         parms.setdefault('Key-Type', 'RSA')
         parms.setdefault('Key-Length', 4096)
         parms.setdefault('Name-Real', "Autogenerated Key")
-        parms.setdefault('Name-Comment', "Generated by gnupg.py")
+        parms.setdefault('Name-Comment', "Generated by python-gnupg")
         try:
             logname = os.environ['LOGNAME']
         except KeyError:
@@ -875,8 +875,8 @@ class GPG(object):
         out = "Key-Type: %s\n" % parms.pop('Key-Type')
         for key, val in list(parms.items()):
             out += "%s: %s\n" % (key, val)
-        out += "%%pubring %s.pub\n" % self.pubring
-        out += "%%secring %s.pub\n" % self.secring
+        out += "%%pubring %s\n" % self.pubring
+        out += "%%secring %s\n" % self.secring
         out += "%commit\n"
         return out