Changeset ca3f89b in sasview for src/sas/sascalc/dataloader

Timestamp:

Sep 15, 2016 8:33:57 AM (8 years ago)

Author:

Piotr Rozyczko <rozyczko@…>

Branches:

ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc

Children:

73e0427

Parents:

69d8aac

git-author:

Jeff Krzywon <krzywon@…> (09/01/16 14:36:07)

git-committer:

Piotr Rozyczko <rozyczko@…> (09/15/16 08:33:57)

Message:

Resolves #644 and #642: Improved loading performance for cansas XML data. Loading invariants and fits from save states no longer throw errors or open multiple windows.

File:

• src/sas/sascalc/dataloader/readers/cansas_reader.py (modified) (11 diffs)

src/sas/sascalc/dataloader/readers/cansas_reader.py

@@ -62 +62 @@
     type_name = "canSAS"
     invalid = True
+    frm = ""
     ## Log messages and errors
     logging = None
@@ -138 +139 @@
                     for entry in entry_list:
                         # Create a new DataInfo object for every <SASentry>
-
 
                         # Set the file name and then parse the entry.
@@ -183 +183 @@
         return self.output
 
-    def _parse_entry(self, dom):
+    def _parse_entry(self, dom, recurse=False):
         """
         Parse a SASEntry - new recursive method for parsing the dom of
@@ -192 +192 @@
         """
 
-        frm = inspect.stack()[1]
-        if not self._is_call_local(frm):
+        if not self._is_call_local() and not recurse:
             self.reset_state()
             self.add_data_set()
@@ -201 +200 @@
         self.base_ns = "{0}{1}{2}".format("{", \
                             CANSAS_NS.get(self.cansas_version).get("ns"), "}")
-        tagname = ''
-        tagname_original = ''
 
         # Go through each child in the parent element
@@ -225 +222 @@
                     self._initialize_new_data_set()
                 ## Recursion step to access data within the group
-                self._parse_entry(node)
+                self._parse_entry(node, True)
                 if tagname == "SASsample":
                     self.current_datainfo.sample.name = name
@@ -437 +434 @@
                 length = len(self.names) - 1
             self.parent_class = self.names[length]
-        if not self._is_call_local(frm):
+        if not self._is_call_local() and not recurse:
+            self.frm = ""
             self.add_data_set()
             empty = None
@@ -448 +446 @@
 
 
-    def _is_call_local(self, frm=""):
-        """
-
-        :return:
-        """
-        if frm == "":
-            frm = inspect.stack()[1]
-        mod_name = frm[1].replace("\\", "/").replace(".pyc", "")
+    def _is_call_local(self):
+        """
+
+        """
+        if self.frm == "":
+            inter = inspect.stack()
+            self.frm = inter[2]
+        mod_name = self.frm[1].replace("\\", "/").replace(".pyc", "")
         mod_name = mod_name.replace(".py", "")
         mod = mod_name.split("sas/")
@@ -836 +834 @@
         # If the calling function was not the cansas reader, return a minidom
         #      object rather than an lxml object.
-        frm = inspect.stack()[1]
-        doc, entry_node = self._check_origin(entry_node, doc, frm)
+        self.frm = inspect.stack()[1]
+        doc, entry_node = self._check_origin(entry_node, doc)
         return doc, entry_node
 
@@ -1232 +1230 @@
                 self.append(node, entry_node)
 
-    def _check_origin(self, entry_node, doc, frm):
+    def _check_origin(self, entry_node, doc):
         """
         Return the document, and the SASentry node associated with
@@ -1242 +1240 @@
         :param doc: entire xml tree
         """
-        if not frm:
-            frm = inspect.stack()[1]
-        mod_name = frm[1].replace("\\", "/").replace(".pyc", "")
+        if not self.frm:
+            self.frm = inspect.stack()[1]
+        mod_name = self.frm[1].replace("\\", "/").replace(".pyc", "")
         mod_name = mod_name.replace(".py", "")
         mod = mod_name.split("sas/")