fix for individual QM display from survex

core/views/caves.py

@@ -481,26 +481,48 @@ def caveQMs(request, slug):
     else:
         return render(request,'cave_qms.html', {'cave': cave})
 
-def qm(request,cave_id,qm_id,year,grade=None, blockname=""):
+def qm(request,cave_id,qm_id,year,grade=None, blockname=None):
     '''Reports on one specific QM
-    Fixed and working July 2022, for both CSV imported QMs and for survex-imported QMs,
+    Fixed and working July 2022, for both CSV imported QMs 
     needs refactoring though.
+    For survex-imported QMs we are not getting unique objects returned, so the query needs fixing.
     '''
     year=int(year)
-
-    try:
-        c=getCave(cave_id)
-        manyqms=c.get_QMs()
-        qm=manyqms.get(number=qm_id,found_by__date__year=year, found_by__cave_slug=c.slug()) 
-        return render(request,'qm.html', {'qm': qm})
-    except QM.DoesNotExist:
-        return render(request,'errors/badslug.html', {'badslug': f'{cave_id=} {year=} {qm_id=} {blockname=}'})
-    except MultipleObjectsReturned:
-        qm = manyqms.filter(blockname = blockname)  # we could still get multiple objects..
-        if qm:
+    
+    if blockname == 'None':
+        # CSV import QMs, use old technique
+        try:
+            c=getCave(cave_id)
+            manyqms=c.get_QMs()
+            qm=manyqms.get(number=qm_id,found_by__date__year=year, found_by__cave_slug=c.slug()) 
             return render(request,'qm.html', {'qm': qm})
-        else:
+        except QM.DoesNotExist:
             return render(request,'errors/badslug.html', {'badslug': f'{cave_id=} {year=} {qm_id=} {blockname=}'})
+
+    else:
+        # survex import QMs, need to disambiguate with blockname
+        # slug = f'{str(self.cave)}-{self.found_by.date.year}-{self.blockname}{self.number}{self.grade}' 
+
+        try:
+            qmslug = f'{cave_id}-{year}-{blockname=}{qm_id}{grade}'
+            c=getCave(cave_id)
+            manyqms=c.get_QMs()
+            qm=manyqms.get(found_by__date__year=year, blockname=blockname, number=qm_id, grade=grade) 
+            if qm:
+                print(qm, f'{qmslug=}:{cave_id=} {year=} {qm_id=} {blockname=} {qm.expoyear=}')
+                return render(request,'qm.html', {'qm': qm})
+            else:
+                return render(request,'errors/badslug.html', {'badslug': f'{cave_id=} {year=} {qm_id=} {blockname=}'})
+        except MultipleObjectsReturned:
+            if len(qm) > 1:           
+                for q in qm:
+                    print(qm)
+                return render(request,'qm.html', {'qm': qm[0]})
+            else:
+                return render(request,'qm.html', {'qm': qm})
+        except QM.DoesNotExist:
+            return render(request,'errors/badslug.html', {'badslug': f'{cave_id=} {year=} {qm_id=} {blockname=}'})
+
  
 def get_qms(request, caveslug):
     '''Does not crash, but just returns a text list of the entrances for a cave.