1. 模块列表
  2. 函数列表
  3. django.db.models.NullBooleanField()

Python django.db.models 模块，NullBooleanField() 实例源码

我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用django.db.models.NullBooleanField()。

项目：CodingDojo    作者：ComputerSocietyUNB    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：CodingDojo    作者：ComputerSocietyUNB    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：NarshaTech    作者：KimJangHyeon    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：NarshaTech    作者：KimJangHyeon    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：blog_django    作者：chnpmy    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_text(obj) for obj in value.all()])
    else:
        return smart_text(value)
项目：Scrum    作者：prakharchoudhary    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：Scrum    作者：prakharchoudhary    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：dream_blog    作者：fanlion    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_text(obj) for obj in value.all()])
    else:
        return smart_text(value)
项目：MxOnline    作者：myTeemo    | 项目源码 | 文件源码 
def choices(self):
        for lookup, title in (
                ('', _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_exact_val == lookup and not self.lookup_isnull_val,
                'query_string': self.query_string({
                self.lookup_exact_name: lookup,
                }, [self.lookup_isnull_name]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_isnull_val == 'True',
                'query_string': self.query_string({
                self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': _('Unknown'),
            }
项目：MxOnline    作者：myTeemo    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return smart_unicode(value)
项目：djangoblog    作者：liuhuipy    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_text(obj) for obj in value.all()])
    else:
        return smart_text(value)
项目：sdining    作者：Lurance    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_text(obj) for obj in value.all()])
    else:
        return smart_text(value)
项目：Gypsy    作者：benticarlos    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：Gypsy    作者：benticarlos    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：DjangoBlog    作者：0daybug    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：DjangoBlog    作者：0daybug    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon
    from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：xadmin-markdown-editor    作者：bluenknight    | 项目源码 | 文件源码 
def choices(self):
        for lookup, title in (
                ('', _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_exact_val == lookup and not self.lookup_isnull_val,
                'query_string': self.query_string({
                self.lookup_exact_name: lookup,
                }, [self.lookup_isnull_name]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_isnull_val == 'True',
                'query_string': self.query_string({
                self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': _('Unknown'),
            }
项目：xadmin-markdown-editor    作者：bluenknight    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return smart_unicode(value)
项目：wanblog    作者：wanzifa    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：wanblog    作者：wanzifa    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：tabmaster    作者：NicolasMinghetti    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：tabmaster    作者：NicolasMinghetti    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：trydjango18    作者：lucifer-yqh    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：trydjango18    作者：lucifer-yqh    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon
    from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：trydjango18    作者：wei0104    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：trydjango18    作者：wei0104    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon
    from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：YouPBX    作者：JoneXiong    | 项目源码 | 文件源码 
def choices(self):
        for lookup, title in (  ('', _('All')), ('1', _('Yes')), ('0', _('No'))  ):
            yield {
                'selected': self.lookup_exact_val == lookup and not self.lookup_isnull_val,
                'query_string': self.query_string( {
                self.lookup_exact_name: lookup,
                }, [self.lookup_isnull_name] ),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_isnull_val == 'True',
                'query_string': self.query_string({
                self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': _('Unknown'),
            }
项目：ims    作者：ims-team    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：ims    作者：ims-team    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：lifesoundtrack    作者：MTG    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：lifesoundtrack    作者：MTG    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：django-open-lecture    作者：DmLitov4    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：django-open-lecture    作者：DmLitov4    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：eduDjango    作者：yuzhou6    | 项目源码 | 文件源码 
def choices(self):
        for lookup, title in (
                ('', _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_exact_val == lookup and not self.lookup_isnull_val,
                'query_string': self.query_string({
                self.lookup_exact_name: lookup,
                }, [self.lookup_isnull_name]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_isnull_val == 'True',
                'query_string': self.query_string({
                self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': _('Unknown'),
            }
项目：eduDjango    作者：yuzhou6    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return smart_unicode(value)
项目：travlr    作者：gauravkulkarni96    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：travlr    作者：gauravkulkarni96    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：Django-IMOOC-Shop    作者：LBruse    | 项目源码 | 文件源码 
def choices(self):
        for lookup, title in (
                ('', _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_exact_val == lookup and not self.lookup_isnull_val,
                'query_string': self.query_string({
                self.lookup_exact_name: lookup,
                }, [self.lookup_isnull_name]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_isnull_val == 'True',
                'query_string': self.query_string({
                self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': _('Unknown'),
            }
项目：Django-IMOOC-Shop    作者：LBruse    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return smart_unicode(value)
项目：StudyOnline    作者：yipwinghong    | 项目源码 | 文件源码 
def choices(self):
        for lookup, title in (
                ('', _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_exact_val == lookup and not self.lookup_isnull_val,
                'query_string': self.query_string({
                self.lookup_exact_name: lookup,
                }, [self.lookup_isnull_name]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_isnull_val == 'True',
                'query_string': self.query_string({
                self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': _('Unknown'),
            }
项目：StudyOnline    作者：yipwinghong    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return smart_unicode(value)
项目：xadmin_python3    作者：mahongquan    | 项目源码 | 文件源码 
def choices(self):
        for lookup, title in (
                ('', _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_exact_val == lookup and not self.lookup_isnull_val,
                'query_string': self.query_string({
                self.lookup_exact_name: lookup,
                }, [self.lookup_isnull_name]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_isnull_val == 'True',
                'query_string': self.query_string({
                self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': _('Unknown'),
            }
项目：xadmin_python3    作者：mahongquan    | 项目源码 | 文件源码 
def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return value#smart_unicode(value)
项目：logo-gen    作者：jellene4eva    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：logo-gen    作者：jellene4eva    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：liberator    作者：libscie    | 项目源码 | 文件源码 
def choices(self, changelist):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': changelist.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：liberator    作者：libscie    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)
项目：gmail_scanner    作者：brandonhub    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }
项目：gmail_scanner    作者：brandonhub    | 项目源码 | 文件源码 
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)
项目：djanoDoc    作者：JustinChavez    | 项目源码 | 文件源码 
def choices(self, cl):
        for lookup, title in (
                (None, _('All')),
                ('1', _('Yes')),
                ('0', _('No'))):
            yield {
                'selected': self.lookup_val == lookup and not self.lookup_val2,
                'query_string': cl.get_query_string({
                    self.lookup_kwarg: lookup,
                }, [self.lookup_kwarg2]),
                'display': title,
            }
        if isinstance(self.field, models.NullBooleanField):
            yield {
                'selected': self.lookup_val2 == 'True',
                'query_string': cl.get_query_string({
                    self.lookup_kwarg2: 'True',
                }, [self.lookup_kwarg]),
                'display': _('Unknown'),
            }