I have surround book.save with a try...catch...; the exception is: You must 
not use 8-bit bytestrings unless you use a text_factory that can interpret 
8-bit bytestrings (like text_factory = str). It is highly recommended that 
you instead just switch your application to Unicode strings.
Without the try...catch, here is the traceback:
Environment:


Request Method: POST
Request URL: http://localhost:8000/uti/dataLoading/

Django Version: 1.8.5
Python Version: 2.7.10
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'uti')
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',
 'django.middleware.security.SecurityMiddleware')


Traceback:
File "C:\Python27\lib\site-packages\django\core\handlers\base.py" in 
get_response
  132.                     response = wrapped_callback(request, 
*callback_args, **callback_kwargs)
File "C:\Users\RavagliV\eclipse-workspace-saved\librarian\uti\views.py" in 
datLoading
  34.                 msg = do_dat_loading()
File "C:\Users\RavagliV\eclipse-workspace-saved\librarian\uti\views.py" in 
do_dat_loading
  79.             book.save()
File "C:\Python27\lib\site-packages\django\db\models\base.py" in save
  734.                        force_update=force_update, 
update_fields=update_fields)
File "C:\Python27\lib\site-packages\django\db\models\base.py" in save_base
  762.             updated = self._save_table(raw, cls, force_insert, 
force_update, using, update_fields)
File "C:\Python27\lib\site-packages\django\db\models\base.py" in _save_table
  827.                                       forced_update)
File "C:\Python27\lib\site-packages\django\db\models\base.py" in _do_update
  877.         return filtered._update(values) > 0
File "C:\Python27\lib\site-packages\django\db\models\query.py" in _update
  580.         return query.get_compiler(self.db).execute_sql(CURSOR)
File "C:\Python27\lib\site-packages\django\db\models\sql\compiler.py" in 
execute_sql
  1062.         cursor = super(SQLUpdateCompiler, 
self).execute_sql(result_type)
File "C:\Python27\lib\site-packages\django\db\models\sql\compiler.py" in 
execute_sql
  840.             cursor.execute(sql, params)
File "C:\Python27\lib\site-packages\django\db\backends\utils.py" in execute
  79.             return super(CursorDebugWrapper, self).execute(sql, 
params)
File "C:\Python27\lib\site-packages\django\db\backends\utils.py" in execute
  64.                 return self.cursor.execute(sql, params)
File "C:\Python27\lib\site-packages\django\db\utils.py" in __exit__
  97.                 six.reraise(dj_exc_type, dj_exc_value, traceback)
File "C:\Python27\lib\site-packages\django\db\backends\utils.py" in execute
  64.                 return self.cursor.execute(sql, params)
File "C:\Python27\lib\site-packages\django\db\backends\sqlite3\base.py" in 
execute
  318.         return Database.Cursor.execute(self, query, params)

Exception Type: ProgrammingError at /uti/dataLoading/
Exception Value: You must not use 8-bit bytestrings unless you use a 
text_factory that can interpret 8-bit bytestrings (like text_factory = 
str). It is highly recommended that you instead just switch your 
application to Unicode strings.

Il giorno giovedì 9 giugno 2022 alle 23:17:16 UTC+2 Antonis Christofides ha 
scritto:

> Please read my email again.
>
> Antonis Christofides+30-6979924665 <+30%20697%20992%204665> (mobile)
>
> On 09/06/2022 22.27, Virgilio Ravagli wrote:
>
> All right. 
> class Book(models.Model):
>        code = models.PositiveIntegerField(primary_key=True)
>        title = models.CharField(max_length=60,blank=False,null=False)
>
> book = Book()
> book.code = 1
> book.title = 'Verità'
> book.save()
>
> the code is really simple
> Il giorno mercoledì 8 giugno 2022 alle 21:07:41 UTC+2 Antonis Christofides 
> ha scritto:
>
>> Please provide the minimum code that reproduces the problem, and the full 
>> traceback.
>>
>> Regards,
>>
>> Antonis
>>
>>
>> On 08/06/2022 18.24, Virgilio Ravagli wrote:
>>
>> ou must not use 8-bit bytestrings unless you use a text_factory that can 
>> interpret 8-bit bytestrings
>>
>> -- 
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