misaka | A Python binding for Hoedown
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kandi X-RAY | misaka Summary
A Python binding for Hoedown.
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QUESTION
I am building a socialsite. In this site user create group and post messages. I get this error when user put same message in same group or even in other group.
**IntegrityError at /posts/new/
UNIQUE constraint failed: posts_post.user_id, posts_post.message
Request Method: POST
Request URL: http://127.0.0.1:8000/posts/new/
Django Version: 3.2.4
Exception Type: IntegrityError
Exception Value: UNIQUE constraint failed: posts_post.user_id, posts_post.message
Exception Location: F:\Program Files\envs\MyDjangoEnv\lib\site-packages\django\db\backends\sqlite3\base.py, line 423, in execute
Python Executable: F:\Program Files\envs\MyDjangoEnv\python.exe**
Here is models.py:
...ANSWER
Answered 2021-Jul-29 at 17:50your error are here:
QUESTION
When I try to reach GroupList. I m getting FieldError: Cannot resolve keyword 'username_iexact' into field. Which is occuring in try block of get_queryset() in views.py.I tried a lot but Don't know how to fix this. This is What I'm getting:
...ANSWER
Answered 2021-Feb-20 at 14:15A fieldname and lookup are separated with two consecutive underscores (__
), so you filter with:
QUESTION
I make a site with multiple users, making posts with images and ability to add/remove friends. So it's easy to make two different pages for post list and creating a new one. But of course it looks better when you can read posts and make new at the same place.
As I understand (learn django for less than a month), I can't connect 2 views to the same url, so the most logical way I see is to join 2 views in one, I also tried to play with template inheriting to render post form by including template, but actually it doesn't work.
Below you can see my views, Post model, and templates. Thank you for attention.
views.py:
...ANSWER
Answered 2020-Oct-26 at 22:03You can put the post_create_form on the same page as post_list_view there is no need to make a separate view for post creation but You need to make ones for editing and deleting.
You can give all of these views the same HTML page with different URLs.
Using template_name = 'example/example.html'
,in Class_Based_Views.
I hope I understand your problem if not clarify more why you can't join two views in one.
QUESTION
I created a post model that is linked to the user by the foreign key(author). I don't want the user to set the foreign key of the post. I want the active user(who wrote the post) to be the foreign key of the post.
...ANSWER
Answered 2020-Jul-03 at 22:57The reason this does nto work is because post_form.save()
will already try to save the Post
object to the database. You can however simply alter the instance wrapped in the form.
Furthermore since the author
is a ForeignKey
to a User
object, you should pass request.user
, not request.user.username
:
QUESTION
I am trying to import my journal app model from models.py into prompts.py file within the same journal app to run a function on one of the objects in the journal model. How can I avoid a circular model error with this model import?
My model is set up within the journal app as such in models.py:
...ANSWER
Answered 2020-Jun-24 at 06:17default
can be function to be called rather than the result of calling the function
QUESTION
Q1-> I don't know why "GroupMember" model is not showing in admin panel. Q2-> why "members = models.ManyToManyField(User,through="GroupMember")" field is also not showing in admin panel
...ANSWER
Answered 2020-May-22 at 17:48At first you should add your app to INSTALLED_APPS in settings.py:
QUESTION
Previous title: Unable to import 'misaka' - Django
I am following a tutorial about how to build a social network.
I run into this error:
IntegrityError at /posts/new/ NOT NULL constraint failed: posts_post.user_id
Complete traceback (please note the lines in bold):
The above exception (NOT NULL constraint failed: posts_post.user_id) was the direct cause of the following exception: C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\core\handlers\exception.py in inner response = get_response(request) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\core\handlers\base.py in _get_response response = self.process_exception_by_middleware(e, request) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\core\handlers\base.py in _get_response response = wrapped_callback(request, *callback_args, **callback_kwargs) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\views\generic\base.py in view return self.dispatch(request, *args, **kwargs) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\contrib\auth\mixins.py in dispatch return super().dispatch(request, *args, **kwargs) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\views\generic\base.py in dispatch return handler(request, *args, **kwargs) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\views\generic\edit.py in post return super().post(request, *args, **kwargs) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\views\generic\edit.py in post return self.form_valid(form) …
▶ Local vars C:\Users\Tommaso\Django rest framework\Udemy Django\simplesocial\posts\views.py in form_valid return super().form_valid(form) …
▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\views\generic\edit.py in form_valid self.object = form.save() … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\forms\models.py in save self.instance.save() …
▶ Local vars C:\Users\Tommaso\Django rest framework\Udemy Django\simplesocial\posts\models.py in save super().save(*args, **kwargs) …
▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\models\base.py in save force_update=force_update, update_fields=update_fields) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\models\base.py in save_base force_update, using, update_fields, … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\models\base.py in _save_table result = self._do_insert(cls._base_manager, using, fields, update_pk, raw) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\models\base.py in _do_insert using=using, raw=raw) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\models\manager.py in manager_method return getattr(self.get_queryset(), name)(*args, **kwargs) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\models\query.py in _insert return query.get_compiler(using=using).execute_sql(return_id) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\models\sql\compiler.py in execute_sql cursor.execute(sql, params) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\backends\utils.py in execute return super().execute(sql, params) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\backends\utils.py in execute return self._execute_with_wrappers(sql, params, many=False, executor=self._execute) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\backends\utils.py in _execute_with_wrappers return executor(sql, params, many, context) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\backends\utils.py in _execute return self.cursor.execute(sql, params) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\utils.py in exit raise dj_exc_value.with_traceback(traceback) from exc_value … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\backends\utils.py in _execute return self.cursor.execute(sql, params) … ▶ Local vars C:\Applicazioni_Tommaso\Phyton\lib\site-packages\django\db\backends\sqlite3\base.py in execute return Database.Cursor.execute(self, query, params) … ▶ Local vars
The lines in bold are pointing to these two pieces of code:
1: In my_project\posts\views.py in form_valid:
...ANSWER
Answered 2020-Apr-13 at 10:42You're trying to insert a Post model object into the database without setting the User foreign key.
You should set it to the user object attached to the request first.
QUESTION
I am deploying a web app made in Django on Heroku. I am following a tutorial in which tutor has made a w/s without any CSS / Image input from User. But my app has lot of style and profile pics etc which need ImageField in model.
IMP -> I made the project for Django 2.2, but django 3 got launched so I am using that.
Please help me...
I have done following steps:
- Installed Anaconda
- Made Virtual Env & Activated it.
- Installed pip
- Installed Dependencies
- pip freeze > requirements.txt
- git add . & git push -am "Text"
- git push heroku master
My requirements.txt :
...ANSWER
Answered 2020-Jan-26 at 12:24You use Python 3.6, decouple
requires Python 3.7+.
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