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.FloatField()。
def set_up_test_model(self): operations = [ migrations.CreateModel( "Pony", [ ('pony_id', models.AutoField(primary_key=True)), ('pink', models.IntegerField(default=3)), ('weight', models.FloatField()) ], ), migrations.CreateModel( 'Rider', [ ('rider_id', models.AutoField(primary_key=True)), ('pony', models.ForeignKey('Pony', on_delete=models.CASCADE)) ], ), ] return self.apply_operations('tests', ProjectState(), operations)
def as_sql(self, compiler, connection): if connection.ops.geography: # Geography fields support area calculation, returns square meters. self.output_field = AreaField('sq_m') elif not self.output_field.geodetic(connection): # Getting the area units of the geographic field. units = self.output_field.units_name(connection) if units: self.output_field = AreaField( AreaMeasure.unit_attname(self.output_field.units_name(connection)) ) else: self.output_field = FloatField() else: # TODO: Do we want to support raw number areas for geodetic fields? raise NotImplementedError('Area on geodetic coordinate systems not supported.') return super(Area, self).as_sql(compiler, connection)
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)
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)
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)
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)
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)
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)
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) else: return smart_text(value)
def test_add_field(self): project_state = self.set_up_test_model() operation = migrations.AddField( 'Pony', 'height', models.FloatField(null=True, default=5) ) new_state = project_state.clone() operation.state_forwards('tests', new_state) self.assertColumnNotExists('tests_pony', 'height') with connection.schema_editor() as editor: operation.database_forwards('tests', editor, project_state, new_state) self.assertColumnExists('tests_pony', 'height') with connection.schema_editor() as editor: operation.database_backwards('tests', editor, new_state, project_state) self.assertColumnNotExists('tests_pony', 'height')