Don't silently swallow instances of UnpicklingError since they are easily

triggered by storing instances of custom classes in a pickle.
(trunk r10432:10434)

svn path=/main/branches/2.1.2/; revision=10435

2 files changed, 15 insertions, 5 deletions

diff --git a/bin/emerge b/bin/emerge
index acb42e4f..424fbdc9 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -1557,8 +1557,11 @@ class BlockerCache(DictMixin):
 			self._cache_data = mypickle.load()
 			f.close()
 			del f
-		except (IOError, OSError, EOFError, cPickle.UnpicklingError):
-			pass
+		except (IOError, OSError, EOFError, cPickle.UnpicklingError), e:
+			if isinstance(e, cPickle.UnpicklingError):
+				writemsg("!!! Error loading '%s': %s\n" % \
+					(self._cache_filename, str(e)), noiselevel=-1)
+			del e
 		cache_valid = self._cache_data and \
 			isinstance(self._cache_data, dict) and \
 			self._cache_data.get("version") == self._cache_version and \
diff --git a/pym/portage.py b/pym/portage.py
index 414fffd7..b126fac3 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -6923,8 +6923,11 @@ class vardbapi(dbapi):
 				self._aux_cache = mypickle.load()
 				f.close()
 				del f
-			except (IOError, OSError, EOFError, cPickle.UnpicklingError):
-				pass
+			except (IOError, OSError, EOFError, cPickle.UnpicklingError), e:
+				if isinstance(e, cPickle.UnpicklingError):
+					writemsg("!!! Error loading '%s': %s\n" % \
+						(self._aux_cache_filename, str(e)), noiselevel=-1)
+				del e
 			if not self._aux_cache or \
 				not isinstance(self._aux_cache, dict) or \
 				self._aux_cache.get("version") != self._aux_cache_version or \
@@ -10489,7 +10492,11 @@ class MtimeDB(dict):
 			d = mypickle.load()
 			f.close()
 			del f
-		except (IOError, OSError, EOFError, cPickle.UnpicklingError):
+		except (IOError, OSError, EOFError, cPickle.UnpicklingError), e:
+			if isinstance(e, cPickle.UnpicklingError):
+				writemsg("!!! Error loading '%s': %s\n" % \
+					(filename, str(e)), noiselevel=-1)
+			del e
 			d = {}
 
 		if "old" in d: