Hi all,
May be I'm too demanding to django Db API, but anyway..
OK, I have many-to-many relationship Story >-< Image.
I want to get all images which bound to a story and with 'caption' or
'img' fields applied search condition string 'conditionString'.
If I write (ver 0.91):
from django.models.webwire import stories, images
from django.core.meta import Q
conditionString = 'test me'
story = stories.get_object(pk=73)
boundImages = story.get_image_list(complex=( \
( Q(image__caption__icontains =
conditionString) \
| Q(image__img__icontains =
conditionString)) ))
I have exception:
Traceback (most recent call last):
File "<console>", line 1, in ?
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\utils\functional.py",
line 3, in _curried
return args[0](*(args[1:]+moreargs), **dict(kwargs.items() +
morekwargs.items()))
TypeError: method_get_many_to_many() got an unexpected keyword argument
'complex'
OK, let's go from other side:
boundImages = images.get_list(complex=(
( Q(caption__icontains =
conditionString) \
| Q(img__icontains = conditionString))
& Q(stories__id__exact=story.id)))
Other exception:
Traceback (most recent call last):
File "<console>", line 1, in ?
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\utils\functional.py",
line 3, in _curried
return args[0](*(args[1:]+moreargs), **dict(kwargs.items() +
morekwargs.items()))
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 1415, in function_get_list
return list(function_get_iterator(opts, klass, **kwargs))
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 1393, in function_get_iterator
select, sql, params = function_get_sql_clause(opts, **kwargs)
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 1621, in function_get_sql_clause
tables2, join_where2, where2, params2, _ =
_parse_lookup(kwargs.items(), opts)
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 1493, in _parse_lookup
tables2, join_where2, where2, params2, table_count =
kwarg_value.get_sql(opts, table_count)
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 301, in get_sql
tables2, join_where2, where2, params2, table_count =
val.get_sql(opts, table_count)
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 363, in get_sql
return _parse_lookup(self.kwargs.items(), opts, table_count)
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 1601, in _parse_lookup
_throw_bad_kwarg_error(kwarg)
File
"c:\python24\lib\site-packages\django-0.91-py2.4.egg\django\core\meta\__init__.py",
line 1475, in _throw_bad_kwarg_error
raise TypeError, "got unexpected keyword argument '%s'" % kwarg
TypeError: got unexpected keyword argument 'stories__id__exact'
Question:
Do I have syntax error(-s) or it's simply impossible to write such
expressions in django?
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