Saving new survex file parses contents.

core/views/survex.py

@@ -38,7 +38,7 @@ even though there are dozens of surveys.
 
 - the primary survex file in each cave directory should be in a configuration, not buried in the code...
 
-- Save the edited survexfile as a survexfile object and re-parse it, and update
+- Save and re-parse an edited survexfile which already exists in the db, and update
   all its dependencies (work in progress)
 """
 
@@ -115,6 +115,24 @@ survextemplatefile = """; *** THIS IS A TEMPLATE FILE NOT WHAT YOU MIGHT BE EXPE
 *end [surveyname]
 """
 
+def get_survexfile(filename):
+    """Gets the SurvexFile object from the survex path for the file
+    in a robust way
+    """
+    refs = SurvexFile.objects.filter(path=filename)
+    if len(refs)==0: # new survex file, not created in db yet
+        survexfile = False
+    elif len(refs)==1:
+        survexfile = SurvexFile.objects.get(path=filename)
+    else:
+        survexfile = refs[0]
+        # OK this is due to a bug in the import file parsing, whoops. Now fixed ?!
+        print("BUG - to be fixed in the survex parser - not critical..")
+        print(f"Number of SurvexFile objects found: {len(refs)}")
+        for s in refs:
+            print (s.path, s.survexdirectory, s.cave)
+    # print(type(survexfile), filename)
+    return survexfile
 
 class SvxForm(forms.Form):
     """Two-pane form, upper half is the raw survex file, lower half (with green background)
@@ -138,18 +156,8 @@ class SvxForm(forms.Form):
             self.template = True
             self.survexfile = False
             return survextemplatefile
-        refs = SurvexFile.objects.filter(path=self.data["filename"])
-        if len(refs)==0: # new survex file, not created in db yet
-            self.survexfile = False
-        elif len(refs)==1:
-            self.survexfile = SurvexFile.objects.get(path=self.data["filename"])
-        else:
-            self.survexfile = refs[0]
-            # OK this is due to a bug in the import file parsing, whoops.
-            print("BUG - to be fixed in the survex parser - not critical..")
-            print(f"Number of SurvexFile objects found: {len(refs)}")
-            for s in refs:
-                print (s.path, s.survexdirectory, s.cave)     
+        if not self.survexfile:
+            self.survexfile = get_survexfile(self.data["filename"])
         try:
             fin = open(fname, "r", encoding="utf8", newline="")
             svxtext = fin.read()
@@ -205,10 +213,8 @@ class SvxForm(forms.Form):
             comment = f"Online survex edit: {self.data['filename']}.svx on dev machine '{socket.gethostname()}' "
         only_commit(fname, comment)
 
-
         parse_one_file(self.data["filename"]) 
         
-        
         return "SAVED and committed to git (if there were differences)"
 
     def Process(self):
@@ -260,6 +266,8 @@ def svx(request, survex_file):
     Originally the non-existence of difflist was used as a marker to say that the file had been saved
     and that thuis there were no differences. This is inadequate, as a new file which has not been saved
     also has no difflist.
+    
+    Needs refactoring. Too many piecemeal edits and odd state dependencies.
     """
     warning = False
 
@@ -281,8 +289,11 @@ def svx(request, survex_file):
             rcode = rform.cleaned_data["code"]
             outputtype = rform.cleaned_data["outputtype"] # used by CodeMirror ajax I think
             difflist = form.DiffCode(rcode)
-            # print(">>>> ", rform.data)
-            svxfile = form.survexfile
+            # keys = []
+            # for key in rform.data:
+                # keys.append(key)
+            # print(">>>> ", keys)
+            sfile = form.survexfile
 
             if "revert" in rform.data:
                 pass
@@ -291,7 +302,7 @@ def svx(request, survex_file):
                 if difflist:
                     message = "SAVE FILE FIRST"
                     form.data["code"] = rcode
-                elif svxfile:
+                elif sfile:
                     logmessage = form.Process()
                     if logmessage:
                         message = f"OUTPUT FROM PROCESSING\n{logmessage}"
@@ -305,13 +316,14 @@ def svx(request, survex_file):
                     message = "You do not have authority to save this file. Please log in."
                 if message != "SAVED":
                     form.data["code"] = rcode
+                    
             if "diff" in rform.data:
                 print("Differences: ")
                 form.data["code"] = rcode
 
-    # GET or after POST-specific handling
-    svxfile = form.survexfile # only valid once form.GetDiscCode() called
-
+    # GET, also fall-through after POST-specific handling
+    svxfile = get_survexfile(survex_file)
+        
     if "code" not in form.data:
         form.data["code"] = form.GetDiscCode()
         if form.template:
@@ -324,10 +336,8 @@ def svx(request, survex_file):
     if message:
         difflist.insert(0, message)
 
-    # print [ form.data['code'] ]
     svxincludes = re.findall(r"(?i)\*include\s+(\S+)", form.data["code"] or "")
 
-    
     # collect all the survex blocks which actually have a valid date
     if svxfile:
         try:
@@ -359,7 +369,6 @@ def svx(request, survex_file):
         "form": form,
         "events": events,
     }
-    # vmap.update(csrf(request)) # this now refreshes to the wrong value, now that we user render(request,
 
     if outputtype == "ajax": # used by CodeMirror ajax I think
         return render(request, "svxfiledifflistonly.html", vmap)