Avoided setup-dependent error (file structuring). Implemented TNMR application search and re-open if it closes. This will not fix any particularly odd situations, but it will recover the majority of TNMR crashes and user error.

frappy_psi/tnmr/OTFModule.py

@@ -309,7 +309,8 @@ class ProgrammedSequence(fc.Drivable): # Drivable only for kill() funcitonality
             self.approx_sequence_length += float(self.post_acquisition_time)*1e-6
 
             # then, save the thing
-            filepath = os.getcwd()
+            # save it in a reasonable location, within frappy
+            filepath = os.path.dirname(os.path.realpath(__file__))
             filename = self.title + f'_{time.time()}'
             filename = filepath + '/sequences/' + filename.replace('.','')
             seq_gen.save_sequence(filename, seq)

frappy_psi/tnmr/sequence_fileformat.py

@@ -211,7 +211,7 @@ def get_event_header(event_type, vals, tables, table_reg, tuning_number, col_del
     if(len(codes) == 6): # regular header
         headerstr += f'{tuning_number}{Z*3}{codes[0]}1{codes[1]}{codes[2]}'
         headerstr += f'{codes[5]}{Z*3}{codes[3]}{codes[4]}{Z*2}\x01'
-    elif(len(codes) == 4): # exteension
+    elif(len(codes) == 4): # extension
         headerstr += f'{tuning_number}{Z*3}{codes[0]}{Z*3}{codes[1]}{Z*3}{codes[2]}{Z*3}{codes[3]}'
     else:
         print('PANIC')

frappy_psi/tnmr/tnmr_interface.py

@@ -17,6 +17,8 @@ import win32com.client
 import pythoncom
 import frappy_psi.tnmr.NTNMR as NTNMR
 
+import winapps
+
 import time
 import json
 import traceback
@@ -102,8 +104,21 @@ class TNMR:
             pythoncom.CoInitialize()
             return win32com.client.GetActiveObject("NTNMR.Application")
         except pythoncom.com_error:
+            try:
+                self.open_TNMR()
+                time.sleep(10)
+                # try again
+                pythoncom.CoInitialize()
+                return win32com.client.GetActiveObject("NTNMR.Application")
+            except:
+                raise TNMRNotRunnningError
             raise TNMRNotRunnningError
 
+    def open_TNMR(self):
+        '''Tries to open up TNMR, using its registration in the Windows registry'''
+        for app in winapps.search_installed('TNMR'):
+            os.system('start ' + str(app.install_location.absolute()) + '\\bin\\TNMR.exe')
+
     def execute_cmd(self, cmd):
         '''Sends an arbitrary command through to TNMR'''
         print('W: Executing arbitrary command: ' + f'out = self.get_instance().{cmd}')