关于python：在Django管理站点中，如何通过内联访问模型属性？


In the Django Admin Site, how can I access model properties through an Inline?

models.py：

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class Player(models.Model):
    name = models.CharField(max_length=50)
    email = models.EmailField(max_length=50)

class Tournament(models.Model):
    name = models.CharField(max_length=50)

class TournamentPlayer(models.Model):
    tournament = models.ForeignKey(Tournament)
    player = models.ForeignKey(Player)
    paid = models.BooleanField()

    def player_email(self):
        return self.player.email

admin.py：

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class TournamentPlayerInline(admin.TabularInline):
    model = TournamentPlayer
    fields = ('player', 'paid', 'player_email')

@admin.register(Tournament)
class TournamentAdmin(admin.ModelAdmin):
    inlines = [TournamentPlayerInline]

在有一个内嵌的问题。我拉了锦标赛的网站管理员，可以看到哪些播放器是持续的，如果他们支付。我也喜欢显示额外的信息包含在播放器，例如电子邮件地址。

在tournamentplayerinline如果能够代表可能会离开，但我fields = ('player', 'paid', 'player_email')fielderror：未知的场(S)(播放器_ specified为tournamentplayer电子邮件)。

在fields = ('player', 'paid', 'player__email')也看得到，但fielderror：未知的场(S)(播放器_ _ specified为tournamentplayer电子邮件)。

如果从两个移动player_emailfieldsreadonly_fields，把语言中没有错误，但是球员的电子邮件也不显示它。

这是是我在：

enter image description here

如何在Access播放器可以从tournamentplayerinline置业？

1.8.4 Django

相关讨论

猴子的回答几乎是正确的。你唯一需要做的改变是你的管理层，它只是在fields和readonly_fields中添加'player_email'。更改fields中'player_email'的位置将允许您根据示例进行订购。

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class TournamentPlayerInline(admin.TabularInline):
    model = TournamentPlayer
    fields = ('player', 'player_email', 'paid',)
    readonly_fields = ('player_email',)

@admin.register(Tournament)
class TournamentAdmin(admin.ModelAdmin):
    inlines = [TournamentPlayerInline]

号

如果不要求从内联编辑player_email，则可以使用readonly_fields变量完成此操作：

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class TournamentPlayerInline(admin.TabularInline):
    model = TournamentPlayer
    fields = ('player', 'paid')
    readonly_fields = ('player_email',)

@admin.register(Tournament)
class TournamentAdmin(admin.ModelAdmin):
    inlines = [TournamentPlayerInline]
相关讨论

另一种选择是，如果不直接使用自定义属性，您不必在模型中定义它，只需在管理中查看它——您可以通过mixin在内联中创建它：

型号.py

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class Player(models.Model):
    name = models.CharField(max_length=50)
    email = models.EmailField(max_length=50)

class Tournament(models.Model):
    name = models.CharField(max_length=50)

class TournamentPlayer(models.Model):
    tournament = models.ForeignKey(Tournament)
    player = models.ForeignKey(Player)
    paid = models.BooleanField()

行政副总裁

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class PlayerEmailMixin(object):
    def player_email(self, obj):
        return obj.player.email

    player_email.short_description ="Player Email"

class TournamentPlayerInline(PlayerEmailMixin, admin.TabularInline):
    model = TournamentPlayer
    fields = ('player', 'player_email', 'paid', )
    readonly_fields = ('player_email',)

@admin.register(Tournament)
class TournamentAdmin(admin.ModelAdmin):
    inlines = [TournamentPlayerInline]

。

您也可以通过以下方式将其设置为mailto-uri：

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class PlayerEmailMixin(object):
    def player_email(self, obj):
        return '{0}'.format(obj.player.email)

    player_email.short_description ="Player Email"
    player_email.allow_tags = True

这在Django 1.9.5是已知的。