Merge pull request #1 from delallea/add_verbosity_config

doc/library/config.txt

@@ -486,6 +486,8 @@ import theano and print the config variable, as in:
     with short names such as ``'Elemwise{add_no_inplace}'``. If ``'high'``,
     some exceptions will also refer to apply nodes with long descriptions like:
 
-	A. Elemwise{add_no_inplace}
-	      B. log_likelihood_v_given_h
-	      C. log_likelihood_h
+    ::
+
+        A. Elemwise{add_no_inplace}
+              B. log_likelihood_v_given_h
+              C. log_likelihood_h

theano/tensor/basic.py

@@ -2495,11 +2495,12 @@ class Alloc(gof.Op):
         for i, s in enumerate(sh):
             if s.type.dtype[:3] not in ('int', 'uin'):
                 if config.exception_verbosity == 'high':
-                    raise TypeError('Shape arguments to Alloc must be integers,' + \
-                        'but argument '+str(i)+' is not for apply node: '+\
-                        min_informative_str(s))
+                    s_as_str = '\n' + min_informative_str(s)
                 else:
-                    raise TypeError('Shape arguments must be integers', s)
+                    s_as_str = str(s)
+                raise TypeError('Shape arguments to Alloc must be integers, '
+                                'but argument %s is not for apply node: %s' %
+                                (i, s_as_str))
             # if s is constant 1, then we're broadcastable in that dim
             try:
                 const_shp = get_constant_value(s)