python - django - invalid literal for int() with base 10 in django Admin | Primary Key CharField -
i'm trying figure out simple (but weird) problem. need modelb have foreign key reference modela (with charfield pk), so:
class modela(models.model): name = models.charfield(primary_key=true) tags = taggablemanager() class modelb(models.model): model_a = models.foreignkey(modela) my code seems understand in runtime , can create modela/modelb objects no problem.
however, when try manually add/delete model objects in django admin, kind of value exception.
exception value: invalid literal int() base 10: i know has trying interpret key charfield int() id, why djangowebsite/admin not know how deal these relationships?
update: full stack trace:
environment: request method: post request url: http://127.0.0.1:5000/admin/src/ratedmodel/add/ django version: 1.7.7 python version: 3.4.3 installed applications: ('src', 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'taggit') installed middleware: ('django.contrib.sessions.middleware.sessionmiddleware', 'django.middleware.common.commonmiddleware', 'django.middleware.csrf.csrfviewmiddleware', 'django.contrib.auth.middleware.authenticationmiddleware', 'django.contrib.auth.middleware.sessionauthenticationmiddleware', 'django.contrib.messages.middleware.messagemiddleware', 'django.middleware.clickjacking.xframeoptionsmiddleware') traceback: file "c:\venv\lib\site-packages\django\core\handlers\base.py" in get_response 111. response = wrapped_callback(request, *callback_args, **callback_kwargs) file "c:\venv\lib\site-packages\django\contrib\admin\options.py" in wrapper 583. return self.admin_site.admin_view(view)(*args, **kwargs) file "c:\venv\lib\site-packages\django\utils\decorators.py" in _wrapped_view 105. response = view_func(request, *args, **kwargs) file "c:\venv\lib\site-packages\django\views\decorators\cache.py" in _wrapped_view_func 52. response = view_func(request, *args, **kwargs) file "c:\venv\lib\site-packages\django\contrib\admin\sites.py" in inner 206. return view(request, *args, **kwargs) file "c:\venv\lib\site-packages\django\contrib\admin\options.py" in add_view 1453. return self.changeform_view(request, none, form_url, extra_context) file "c:\venv\lib\site-packages\django\utils\decorators.py" in _wrapper 29. return bound_func(*args, **kwargs) file "c:\venv\lib\site-packages\django\utils\decorators.py" in _wrapped_view 105. response = view_func(request, *args, **kwargs) file "c:\venv\lib\site-packages\django\utils\decorators.py" in bound_func 25. return func.__get__(self, type(self))(*args2, **kwargs2) file "c:\venv\lib\site-packages\django\db\transaction.py" in inner 394. return func(*args, **kwargs) file "c:\venv\lib\site-packages\django\contrib\admin\options.py" in changeform_view 1405. self.save_related(request, form, formsets, not add) file "c:\venv\lib\site-packages\django\contrib\admin\options.py" in save_related 1067. form.save_m2m() file "c:\venv\lib\site-packages\django\forms\models.py" in save_m2m 100. f.save_form_data(instance, cleaned_data[f.name]) file "c:\venv\lib\site-packages\taggit\managers.py" in save_form_data 373. getattr(instance, self.name).set(*value) file "c:\venv\lib\site-packages\taggit\utils.py" in inner 136. return func(self, *args, **kwargs) file "c:\venv\lib\site-packages\taggit\managers.py" in set 184. self.clear() file "c:\venv\lib\site-packages\taggit\utils.py" in inner 136. return func(self, *args, **kwargs) file "c:\venv\lib\site-packages\taggit\managers.py" in clear 194. self.through.objects.filter(**self._lookup_kwargs()).delete() file "c:\venv\lib\site-packages\django\db\models\manager.py" in manager_method 92. return getattr(self.get_queryset(), name)(*args, **kwargs) file "c:\venv\lib\site-packages\django\db\models\query.py" in filter 691. return self._filter_or_exclude(false, *args, **kwargs) file "c:\venv\lib\site-packages\django\db\models\query.py" in _filter_or_exclude 709. clone.query.add_q(q(*args, **kwargs)) file "c:\venv\lib\site-packages\django\db\models\sql\query.py" in add_q 1331. clause, require_inner = self._add_q(where_part, self.used_aliases) file "c:\venv\lib\site-packages\django\db\models\sql\query.py" in _add_q 1358. current_negated=current_negated, connector=connector) file "c:\venv\lib\site-packages\django\db\models\sql\query.py" in build_filter 1230. condition = self.build_lookup(lookups, col, value) file "c:\venv\lib\site-packages\django\db\models\sql\query.py" in build_lookup 1138. return final_lookup(lhs, rhs) file "c:\venv\lib\site-packages\django\db\models\lookups.py" in __init__ 82. self.rhs = self.get_prep_lookup() file "c:\venv\lib\site-packages\django\db\models\lookups.py" in get_prep_lookup 85. return self.lhs.output_field.get_prep_lookup(self.lookup_name, self.rhs) file "c:\venv\lib\site-packages\django\db\models\fields\__init__.py" in get_prep_lookup 1607. return super(integerfield, self).get_prep_lookup(lookup_type, value) file "c:\venv\lib\site-packages\django\db\models\fields\__init__.py" in get_prep_lookup 646. return self.get_prep_value(value) file "c:\venv\lib\site-packages\django\db\models\fields\__init__.py" in get_prep_value 1601. return int(value) exception type: valueerror @ /admin/src/ratedmodel/add/ exception value: invalid literal int() base 10: 'modelaname' update:
i have strong feeling has taggable manager utility i'm trying use. suspect defaults thinking modela has int() pk. still investigating.
my mistake. seems because doesn't fact i'm using name primary key. changed name has unique=true rule , fixed issue.
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