How to add readonly inline on django admin

I am using django 1.4 and I have a many2many field, so when creating the admin site I wanted to add this field as an inline, here is some code:

class SummaryInline(admin.TabularInline):
    model = ParserError.summaries.through


class MyClassAdmin(admin.ModelAdmin):
    list_display = ('classifier', 'name', 'err_count', 'supported')
    fields = ('classifier', 'name', 'err_count', 'err_classifier', 'supported')
    inlines = (SummaryInline,)
    readonly_fields = ('classifier', 'err_count')

So my question is, how can I make the inline field readonly?

Answers


After a while of trying to find the name I figured out thanks to this answer, so I checked the names at self.opts.local_fields and found the name of the middle table and added it to readonly_fields, setting can_delete to False.

class SummaryInline(admin.TabularInline):
    model = ParserError.summaries.through
    readonly_fields = ('myclasssummary',)
    can_delete = False

pretty simple but took me a while so I figured out it was a good idea to add it here.


Additionally, if you do not want the ability to add/delete the rows, you can add these definitions.

def has_add_permission(self, request, obj=None):
    return False

def has_delete_permission(self, request, obj=None):
    return False

Thanks Keval Prabhu

class UnitsInline(admin.TabularInline):
    model = Units
    extra = 0
    verbose_name = 'Units'
    verbose_name_plural = 'Units of company'

    **def has_add_permission(self, request, obj=None):
        return False
    def has_delete_permission(self, request, obj=None):
        return False**

You can make the entire line readonly by adding:

class UnitsInline(admin.TabularInline):

    def has_change_permission(self, request, obj=None):
        return False

This will prevent anyone from editing the entry from the admin


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