feature multi document for SD

sdppp_python/sd_data.py

@@ -0,0 +1,29 @@
+
+# need refactor
+sd_document_data = dict()
+def set_sd_document_data(data):
+    global sd_document_data
+    sd_document_data = data
+def get_sd_document_data():
+    return sd_document_data
+
+sd_special_get_layer_options = []
+def set_sd_special_get_layer_options(data):
+    global sd_special_get_layer_options
+    sd_special_get_layer_options = data
+def get_sd_special_get_layer_options():
+    return sd_special_get_layer_options
+
+sd_special_get_bound_layer_options = []
+def set_sd_special_get_bound_layer_options(data):
+    global sd_special_get_bound_layer_options
+    sd_special_get_bound_layer_options = data
+def get_sd_special_get_bound_layer_options():
+    return sd_special_get_bound_layer_options
+
+sd_special_send_layer_options = []
+def set_sd_special_send_layer_options(data):
+    global sd_special_send_layer_options
+    sd_special_send_layer_options = data
+def get_sd_special_send_layer_options():
+    return sd_special_send_layer_options