Changeset 424

Timestamp:

07/18/08 14:28:56 (3 months ago)

Author:

apdavison

Message:

Now when you try to write data to a file, any existing file of the same name is first renamed by appending '_old' to the filename (see #104 and #106). (Applies to nest2 and neuron2 modules).

Files:

• trunk/src/nest2/__init__.py (modified) (2 diffs)
• trunk/src/neuron2/simulator.py (modified) (1 diff)
• trunk/src/recording.py (modified) (1 diff)

trunk/src/nest2/__init__.py

@@ -160 +160 @@
-    def write(self, file=None, gather=False, compatible_output=True):
-        user_file = file or self.file
-
-
+
+
+
+
-        nest_filename = _merge_files(self._device, gather)
-        if compatible_output:
@@ -181 +183 @@
-            else:
-                raise Exception('Must provide a filename or an open file')
-
+rank() == 0 and 
-            root_file = file or self.filename
+            recording.rename_existing(root_file)
-            for node in xrange(num_processes()):
-
-
-
-
-
-
-
+
+
+
+
-        # don't want to remove nest_filename at this point in case the user wants to access the data
-        # a second time (e.g. with both getSpikes() and printSpikes()), but we should

trunk/src/neuron2/simulator.py

@@ -91 +91 @@
-        data = self.get(gather)
-        filename = file or self.filename
+        recording.rename_existing(filename)
-        numpy.savetxt(filename, data, Recorder.numpy1_0_formats[self.variable], delimiter='\t')
-        if compatible_output:
-
+self.variable, 
-                                              self.population, state.dt)
-        

trunk/src/recording.py

@@ -42 +42 @@
-#        pass
-
+def rename_existing(filename):
+    if os.path.exists(filename):
+        os.system('mv %s %s_old' % (filename, filename))
+        logging.warning("File %s already exists. Renaming the original file to %s_old" % (filename, filename))
+
-def convert_compatible_output(data, population, variable):
-    """