Question

我是Django的新手，请多多包涵。

我在做python manage.py migrate时遇到此错误

  Applying mailing.0002_auto_20190221_1932...Traceback (most recent call last):
  File "findoor_backend/manage.py", line 15, in <module>
    execute_from_command_line(sys.argv)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 371, in execute_from_command_line
    utility.execute()
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 365, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/core/management/base.py", line 288, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/core/management/base.py", line 335, in execute
    output = self.handle(*args, **options)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/core/management/commands/migrate.py", line 200, in handle
    fake_initial=fake_initial,
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/db/migrations/executor.py", line 117, in migrate
    state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/db/migrations/executor.py", line 147, in _migrate_all_forwards
    state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/db/migrations/executor.py", line 244, in apply_migration
    state = migration.apply(state, schema_editor)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/db/migrations/migration.py", line 112, in apply
    operation.state_forwards(self.app_label, project_state)
  File "/home/andykw/cloned_projects/findoor-backend/.venv/lib/python3.6/site-packages/django/db/migrations/operations/fields.py", line 196, in state_forwards
    state.models[app_label, self.model_name_lower].fields
KeyError: ('mailing', 'questionanswer')

阅读此answer，似乎我在某处缺少一列，但看不到哪里。我不确定是否必须在我的视图中添加它。

这是我的模型

class QuestionAnswer(models.Model):
    """Mail for answer to a question"""

    if site_lang == 'fr':
        default_subject = answered_subject_fr
        default_message = answered_message_fr
    elif site_lang == 'pl':
        default_subject = answered_subject_pl
        default_message = answered_message_pl
    else:
        default_subject = answered_subject_en
        default_message = answered_message_en

    subject = models.CharField(max_length=100, unique=True,
        verbose_name=_("mail subject"), default=default_subject)

    contents = models.TextField(verbose_name=_("mail contents"), 
        help_text="Keywords: {{site_name}}, {{question_first_name}}, \
                             {{question_last_name}}, {{question_message}}, {{answer}},\
                             {{expert_first_name}}, {{expert_last_name}}", default=default_message)
    active = models.BooleanField(default=False)

这是我的视图

# MAIL FOR QuestionAnswer

# French version
answered_subject_fr = "{{site_name}} - Vous avez reçu une réponse"
answered_message_fr = """Bonjour, 

{{expert_first_name}} {{expert_last_name}} a répondu à votre question sur {{site_name}} . Voici sa réponse:

{{answer}}

Pour rappel, votre question était:

{{question_message}}

Cordialement"""

# English version
answered_subject_en = "{{site_name}} - You got an answer"
answered_message_en = """Hello, 

{{expert_first_name}} {{expert_last_name}} answered your question on {{site_name}} . Here is the reply : 

{{answer}}

As a reminder, your question was :

{{question_message}}

Regards, """

# Polish version
answered_subject_pl = "{{site_name}} - Powiadomienie o odpowiedzi"
answered_message_pl = """Dzień dobry {{expert_first_name}},

Oto odpowiedź na pytanie, które zadałeś na stronie internetowej {{site_name}} :
{{answer}}

Dla przypomnienia, pytanie brzmiało:
{{question_message}}

Aby kontynuować dyskusję z ekspertem, zaloguj się do swojego konta lub utwórz konto w odpowiedniej sekcji.

Pozdrawiamy,"""

这是我的表格

@admin.register(QuestionAnswer)
class QuestionAnswerAdmin(CompareVersionAdmin):

    list_display = LIST_DISP
    fieldsets = FIELDSETS

我正在添加导致问题的迁移脚本

# Generated by Django 2.0.3 on 2019-02-21 18:32

from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ('mailing', '0001_initial'),
    ]

    operations = [
        migrations.AlterField(
            model_name='questionanswer',
            name='contents',
            field=models.TextField(default='Dear {{question_first_name}},\n\nHere is the answer to the question you asked on the website {{site_name}}:\n{{answer}}\n\nAs a reminder, the question was: {{question_message}}\n\nTo continue the discussion with this expert, log in to your space or create an account in the appropriate section.\n\n\nSee you soon,', help_text='Keywords: {{site_name}}, {{question_first_name}}, {{question_last_name}}, {{question_message}}, {{answer}},                             {{expert_first_name}}, {{expert_last_name}}', verbose_name='mail contents'),
        ),
        migrations.AlterField(
            model_name='questionanswer',
            name='subject',
            field=models.CharField(default='{{site_name}} - Reply Notification', max_length=100, unique=True, verbose_name='mail subject'),
        ),
    ]

谢谢

在我的django代码中遇到键盘错误，以及在何处添加该列？

0 个答案: