[PATCH] codeparser: Only load the codeparser chace once

[Richard Purdie <richard.purdie@linuxfoundation.org>]

The server state gets reset multiple times during startup and currently
we reload the codeparser cache each time. This is pointless and causes
unnecessary interaction time with bitbake.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/bitbake/lib/bb/codeparser.py b/bitbake/lib/bb/codeparser.py
index 82a3af4..6c9a42d 100644
--- a/bitbake/lib/bb/codeparser.py
+++ b/bitbake/lib/bb/codeparser.py
@@ -144,6 +144,10 @@ class CodeParserCache(MultiProcessCache):
         return cacheline
 
     def init_cache(self, d):
+        # Check if we already have the caches
+        if self.pythoncache:
+            return
+
         MultiProcessCache.init_cache(self, d)
 
         # cachedata gets re-assigned in the parent