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Code Issues 32 Releases Wiki Activity

Updated print statements to work with py3; thanks Claude Paroz noting this.

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This commit is contained in:
Tim Graham 2012-09-08 15:15:10 -04:00
parent 4754f122dd
commit 3bdb65dc59
1 changed files with 5 additions and 5 deletions
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10
docs/ref/models/querysets.txt
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@ -1271,7 +1271,7 @@ The :exc:`~django.core.exceptions.DoesNotExist` exception inherits from
e = Entry.objects.get(id=3) e = Entry.objects.get(id=3)
b = Blog.objects.get(id=1) b = Blog.objects.get(id=1)
except ObjectDoesNotExist: except ObjectDoesNotExist:
print "Either the entry or blog doesn't exist." print("Either the entry or blog doesn't exist.")
create create
~~~~~~ ~~~~~~
@ -1538,23 +1538,23 @@ The most efficient method of finding whether a model with a unique field
entry = Entry.objects.get(pk=123) entry = Entry.objects.get(pk=123)
if some_query_set.filter(pk=entry.pk).exists(): if some_query_set.filter(pk=entry.pk).exists():
print "Entry contained in queryset" print("Entry contained in queryset")
Which will be faster than the following which requires evaluating and iterating Which will be faster than the following which requires evaluating and iterating
through the entire queryset:: through the entire queryset::
if entry in some_query_set: if entry in some_query_set:
print "Entry contained in QuerySet" print("Entry contained in QuerySet")
And to find whether a queryset contains any items:: And to find whether a queryset contains any items::
if some_query_set.exists(): if some_query_set.exists():
print "There is at least one object in some_query_set" print("There is at least one object in some_query_set")
Which will be faster than:: Which will be faster than::
if some_query_set: if some_query_set:
print "There is at least one object in some_query_set" print("There is at least one object in some_query_set")
... but not by a large degree (hence needing a large queryset for efficiency ... but not by a large degree (hence needing a large queryset for efficiency
gains). gains).