Documentation updated.

Test_all_versions script added.
Some minor misc changes.
Added polybench.

pexp/management/commands/pcmd.py

@@ -15,7 +15,7 @@ def reset_queries():
 
 def show_queries():
     print; print 'QUERIES:',len(connection.queries); pprint(connection.queries); print; connection.queries=[]
-    
+
 class Command(NoArgsCommand):
     help = ""
 
@@ -38,6 +38,4 @@ class Command(NoArgsCommand):
         o=ResearchProject.objects.create(topic="Swallow Aerodynamics", supervisor="Dr. Winter")
         print Project.objects.all()
         print
-        
-
 

pexp/management/commands/polybench.py

@@ -0,0 +1,106 @@
+# -*- coding: utf-8 -*-
+"""
+This module is a scratchpad for general development, testing & debugging
+"""
+
+from django.core.management.base import NoArgsCommand
+from django.db.models import connection
+from pprint import pprint
+import settings
+import sys
+from pexp.models import *
+
+num_objects=15000
+
+def reset_queries():
+    connection.queries=[]
+
+def show_queries():
+    print; print 'QUERIES:',len(connection.queries); pprint(connection.queries); print; reset_queries()
+
+import time
+
+###################################################################################
+### benchmark wrappers
+
+def print_timing(func, message='', iterations=1):
+    def wrapper(*arg):
+        results=[]
+        reset_queries()
+        for i in xrange(iterations):
+            t1 = time.time()
+            x = func(*arg)
+            t2 = time.time()
+            results.append((t2-t1)*1000.0)
+        res_sum=0
+        for r in results: res_sum +=r
+        median = res_sum / len(results)
+        print '%s%-19s: %.0f ms, %i queries' % (
+            message,func.func_name,
+            median,
+            len(connection.queries)/len(results)
+            )
+        sys.stdout.flush()
+    return wrapper
+
+def run_vanilla_any_poly(func, iterations=1):
+    f=print_timing(func,'     ', iterations)
+    f(nModelC)
+    f=print_timing(func,'poly ', iterations)
+    f(ModelC)
+
+
+###################################################################################
+### benchmarks
+
+def bench_create(model):
+    for i in xrange(num_objects):
+        model.objects.create(field1='abc'+str(i), field2='abcd'+str(i), field3='abcde'+str(i))
+    #print 'count:',model.objects.count()
+
+def bench_load1(model):
+    for o in model.objects.all():
+        pass
+
+def bench_load1_short(model):
+    for i in xrange(num_objects/100):
+        for o in model.objects.all()[:100]:
+            pass
+
+def bench_load2(model):
+    for o in model.objects.all():
+        f1=o.field1
+        f2=o.field2
+        f3=o.field3
+
+def bench_load2_short(model):
+    for i in xrange(num_objects/100):
+        for o in model.objects.all()[:100]:
+            f1=o.field1
+            f2=o.field2
+            f3=o.field3
+
+def bench_delete(model):
+    model.objects.all().delete()
+
+###################################################################################
+### Command
+
+class Command(NoArgsCommand):
+    help = ""
+
+    def handle_noargs(self, **options):
+        print 'polybench - sqlite test db is stored in:',settings.SQLITE_DB_PATH
+
+        func_list = [
+            ( bench_delete, 1 ),
+            ( bench_create, 1 ),
+            ( bench_load1,  5 ),
+            ( bench_load1_short, 5 ),
+            ( bench_load2, 5 ),
+            ( bench_load2_short, 5 )
+            ]
+        for f,iterations in func_list:
+            run_vanilla_any_poly(f,iterations=iterations)
+
+        print

pexp/management/commands/polymorphic_create_test_data.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+"""
+This module is a scratchpad for general development, testing & debugging
+"""
+
+from django.core.management.base import NoArgsCommand
+from django.db.models import connection
+from pprint import pprint
+import settings
+
+from pexp.models import *
+
+def reset_queries():
+    connection.queries=[]
+
+def show_queries():
+    print; print 'QUERIES:',len(connection.queries); pprint(connection.queries); print; connection.queries=[]
+    
+class Command(NoArgsCommand):
+    help = ""
+
+    def handle_noargs(self, **options):
+        #print 'polycmd - sqlite test db is stored in:',settings.SQLITE_DB_PATH
+        print
+
+        Project.objects.all().delete()
+        o=Project.objects.create(topic="John's gathering")
+        o=ArtProject.objects.create(topic="Sculpting with Tim", artist="T. Turner")
+        o=ResearchProject.objects.create(topic="Swallow Aerodynamics", supervisor="Dr. Winter")
+        print Project.objects.all()
+        print
+        
+
+