Added theano-cache list. It list the content of the theano cache.

bin/theano-cache

 #!/usr/bin/env python
 import logging, os, sys
+import theano
 from theano import config
 from theano.gof.cc import get_module_cache
 
@@ -25,7 +26,8 @@ elif sys.argv[1] in ('clear'):
                         config.compiledir)
         _logger.debug('Remaining elements (%s): %s' %
                       (len(items), ', '.join(items)))
-
+elif sys.argv[1] in ('list'):
+    theano.gof.compiledir.print_compiledir_content()
 else:
     print 'command "%s" not recognized' % sys.argv[1]
     print 'Type "theano-cache" to print the cache location'

theano/gof/compiledir.py

 
 import errno
-import os, sys
+import os
 import platform
 import re
 
+import theano
 from theano.configparser import config, AddConfigVar, ConfigParam, StrParam
 
+
 def default_compiledirname():
     platform_id = '-'.join([
         platform.platform(),
@@ -25,7 +27,7 @@ def filter_compiledir(path):
     valid = True
     if not os.access(path, os.R_OK | os.W_OK):
         try:
-            os.makedirs(path, 0770) #read-write-execute for user and group
+            os.makedirs(path, 0770)  # read-write-execute for user and group
         except OSError, e:
             # Maybe another parallel execution of theano was trying to create
             # the same directory at the same time.
@@ -59,3 +61,34 @@ AddConfigVar('compiledir',
                 default_compiledirname()),
             filter=filter_compiledir,
             allow_override=False))
+
+
+def print_compiledir_content():
+    import cPickle
+
+    def flatten(a):
+        if isinstance(a, (tuple, list, set)):
+            l = []
+            for item in a:
+                l.extend(flatten(item))
+            return l
+            return [flatten(item) for item in a]
+        else:
+            return [a]
+
+    compiledir = theano.config.compiledir
+    print "List compiled op in theano this cache", compiledir
+    for dir in os.listdir(compiledir):
+        file = None
+        try:
+            file = open(os.path.join(compiledir, dir, "key.pkl"))
+            keydata = cPickle.load(file)
+            ops = list(set([x for x in flatten(keydata.keys)
+                       if isinstance(x, theano.gof.Op)]))
+            assert len(ops) == 1
+            print dir, ops[0]
+        except IOError:
+            pass
+        finally:
+            if file is not None:
+                file.close()