From 0884a3928395dd368aea61eeef768677018f9095 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Wed, 17 Feb 2016 16:18:23 +0100
Subject: Add python astra.astra delete/info based on index manager

---
 python/astra/astra_c.pyx | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

(limited to 'python/astra/astra_c.pyx')

diff --git a/python/astra/astra_c.pyx b/python/astra/astra_c.pyx
index 2a9c816..c70bb8e 100644
--- a/python/astra/astra_c.pyx
+++ b/python/astra/astra_c.pyx
@@ -33,6 +33,9 @@ from .utils import wrap_from_bytes
 from libcpp.string cimport string
 from libcpp.vector cimport vector
 from libcpp cimport bool
+cimport PyIndexManager
+from .PyIndexManager cimport CAstraObjectManagerBase
+
 cdef extern from "astra/Globals.h" namespace "astra":
     int getVersion()
     string getVersionString()
@@ -51,6 +54,7 @@ cdef extern from "astra/CompositeGeometryManager.h" namespace "astra":
 cdef extern from "astra/CompositeGeometryManager.h" namespace "astra::CCompositeGeometryManager":
     void setGlobalGPUParams(SGPUParams&)
 
+
 def credits():
     six.print_("""The ASTRA Toolbox has been developed at the University of Antwerp and CWI, Amsterdam by
  * Prof. dr. Joost Batenburg
@@ -78,11 +82,10 @@ def version(printToScreen=False):
         return getVersion()
 
 def set_gpu_index(idx, memory=0):
-    import types
     import collections
     cdef SGPUParams params
     if use_cuda()==True:
-        if not isinstance(idx, collections.Iterable) or isinstance(idx, types.StringTypes):
+        if not isinstance(idx, collections.Iterable) or isinstance(idx, six.string_types + (six.text_type,six.binary_type)):
             idx = (idx,)
         params.memory = memory
         params.GPUIndices = idx
@@ -90,3 +93,26 @@ def set_gpu_index(idx, memory=0):
         ret = setGPUIndex(params.GPUIndices[0])
         if not ret:
             six.print_("Failed to set GPU " + str(params.GPUIndices[0]))
+
+def delete(ids):
+    import collections
+    cdef CAstraObjectManagerBase* ptr
+    if not isinstance(ids, collections.Iterable) or isinstance(ids, six.string_types + (six.text_type,six.binary_type)):
+        ids = (ids,)
+    for i in ids:
+        ptr = PyIndexManager.getSingletonPtr().get(i)
+        if ptr:
+            ptr.remove(i)
+
+def info(ids):
+    import collections
+    cdef CAstraObjectManagerBase* ptr
+    if not isinstance(ids, collections.Iterable) or isinstance(ids, six.string_types + (six.text_type,six.binary_type)):
+        ids = (ids,)
+    for i in ids:
+        ptr = PyIndexManager.getSingletonPtr().get(i)
+        if ptr:
+            s = ptr.getType() + six.b("\t") + ptr.getInfo(i)
+            six.print_(wrap_from_bytes(s))
+
+
-- 
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