Python models.DurationField方法代碼示例

本文整理匯總了Python中django.db.models.DurationField方法的典型用法代碼示例。如果您正苦於以下問題：Python models.DurationField方法的具體用法？Python models.DurationField怎麽用？Python models.DurationField使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類django.db.models的用法示例。

在下文中一共展示了models.DurationField方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: test_date_subtraction

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_date_subtraction(self):
        queryset = Experiment.objects.annotate(
            completion_duration=ExpressionWrapper(
                F('completed') - F('assigned'), output_field=models.DurationField()
            )
        )

        at_least_5_days = {e.name for e in queryset.filter(completion_duration__gte=datetime.timedelta(days=5))}
        self.assertEqual(at_least_5_days, {'e3', 'e4', 'e5'})

        at_least_120_days = {e.name for e in queryset.filter(completion_duration__gte=datetime.timedelta(days=120))}
        self.assertEqual(at_least_120_days, {'e5'})

        less_than_5_days = {e.name for e in queryset.filter(completion_duration__lt=datetime.timedelta(days=5))}
        expected = {'e0', 'e2'}
        if connection.features.supports_microsecond_precision:
            expected.add('e1')
        self.assertEqual(less_than_5_days, expected)

開發者ID:denisenkom，項目名稱:django-sqlserver，代碼行數:20，代碼來源:tests.py

示例2: test_durationfield_add

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_durationfield_add(self):
        zeros = [e.name for e in Experiment.objects.filter(start=F('start') + F('estimated_time'))]
        self.assertEqual(zeros, ['e0'])

        end_less = [e.name for e in Experiment.objects.filter(end__lt=F('start') + F('estimated_time'))]
        self.assertEqual(end_less, ['e2'])

        delta_math = [
            e.name for e in
            Experiment.objects.filter(end__gte=F('start') + F('estimated_time') + datetime.timedelta(hours=1))
        ]
        self.assertEqual(delta_math, ['e4'])

        queryset = Experiment.objects.annotate(shifted=ExpressionWrapper(
            F('start') + Value(None, output_field=models.DurationField()),
            output_field=models.DateTimeField(),
        ))
        self.assertIsNone(queryset.first().shifted)

開發者ID:nesdis，項目名稱:djongo，代碼行數:20，代碼來源:tests.py

示例3: test_time_subtraction

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_time_subtraction(self):
        Time.objects.create(time=datetime.time(12, 30, 15, 2345))
        queryset = Time.objects.annotate(
            difference=ExpressionWrapper(
                F('time') - Value(datetime.time(11, 15, 0), output_field=models.TimeField()),
                output_field=models.DurationField(),
            )
        )
        self.assertEqual(
            queryset.get().difference,
            datetime.timedelta(hours=1, minutes=15, seconds=15, microseconds=2345)
        )

        queryset = Time.objects.annotate(difference=ExpressionWrapper(
            F('time') - Value(None, output_field=models.TimeField()),
            output_field=models.DurationField(),
        ))
        self.assertIsNone(queryset.first().difference)

        queryset = Time.objects.annotate(shifted=ExpressionWrapper(
            F('time') - Value(None, output_field=models.DurationField()),
            output_field=models.TimeField(),
        ))
        self.assertIsNone(queryset.first().shifted)

開發者ID:nesdis，項目名稱:djongo，代碼行數:26，代碼來源:tests.py

示例4: init

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def __init__(self, expression, *, output_field=None, **extra):
        super().__init__(expression, output_field=output_field or DurationField(), **extra)

開發者ID:reBiocoder，項目名稱:bioforum，代碼行數:4，代碼來源:functions.py

示例5: init

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def __init__(self, expression, **extra):
        output_field = extra.pop('output_field', DurationField())
        super(SecondsToInterval, self).__init__(expression, output_field=output_field, **extra)

開發者ID:Yeah-Kun，項目名稱:python，代碼行數:5，代碼來源:functions.py

示例6: test_should_auto_convert_duration

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_should_auto_convert_duration():
    assert_conversion(models.DurationField, graphene.Float)

開發者ID:graphql-python，項目名稱:graphene-django，代碼行數:4，代碼來源:test_converter.py

示例7: test_time_subtraction

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_time_subtraction(self):
        if connection.features.supports_microsecond_precision:
            time = datetime.time(12, 30, 15, 2345)
            timedelta = datetime.timedelta(hours=1, minutes=15, seconds=15, microseconds=2345)
        else:
            time = datetime.time(12, 30, 15)
            timedelta = datetime.timedelta(hours=1, minutes=15, seconds=15)
        Time.objects.create(time=time)
        queryset = Time.objects.annotate(
            difference=ExpressionWrapper(
                F('time') - Value(datetime.time(11, 15, 0), output_field=models.TimeField()),
                output_field=models.DurationField(),
            )
        )
        self.assertEqual(queryset.get().difference, timedelta)

開發者ID:denisenkom，項目名稱:django-sqlserver，代碼行數:17，代碼來源:tests.py

示例8: test_date_minus_duration

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_date_minus_duration(self):
        self.skipTest("TODO fix TypeError: not enough arguments for format string")
        # QUERY = 'SELECT [expressions_experiment].[id], [expressions_experiment].[name], [expressions_experiment].[assigned], [expressions_experiment].[completed], [expressions_experiment].[estimated_time], [expressions_experiment].[start], [expressions_experiment].[end] FROM [expressions_experiment] WHERE [expressions_experiment].[assigned] < ((DATEADD(MICROSECOND, (-1 * (%s %% 1000000)), CAST(DATEADD(SECOND, (%s / 1000000), CAST([expressions_experiment].[completed] as datetime2)) as datetime2)))) ORDER BY [expressions_experiment].[name] ASC' - PARAMS = (345600000000,); args=(345600000000,)
        more_than_4_days = Experiment.objects.filter(
            assigned__lt=F('completed') - Value(datetime.timedelta(days=4), output_field=models.DurationField())
        )
        self.assertQuerysetEqual(more_than_4_days, ['e3', 'e4', 'e5'], lambda e: e.name)

開發者ID:denisenkom，項目名稱:django-sqlserver，代碼行數:9，代碼來源:tests.py

示例9: test_update_duration

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_update_duration(self):
        CaseTestModel.objects.update(
            duration=Case(
                # fails on sqlite if output_field is not set explicitly on all
                # Values containing timedeltas
                When(integer=1, then=Value(timedelta(1), output_field=models.DurationField())),
                When(integer=2, then=Value(timedelta(2), output_field=models.DurationField())),
            ),
        )
        self.assertQuerysetEqual(
            CaseTestModel.objects.all().order_by('pk'),
            [(1, timedelta(1)), (2, timedelta(2)), (3, None), (2, timedelta(2)), (3, None), (3, None), (4, None)],
            transform=attrgetter('integer', 'duration')
        )

開發者ID:denisenkom，項目名稱:django-sqlserver，代碼行數:16，代碼來源:tests.py

示例10: test_date_subtraction

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_date_subtraction(self):
        queryset = Experiment.objects.annotate(
            completion_duration=ExpressionWrapper(
                F('completed') - F('assigned'), output_field=models.DurationField()
            )
        )

        at_least_5_days = {e.name for e in queryset.filter(completion_duration__gte=datetime.timedelta(days=5))}
        self.assertEqual(at_least_5_days, {'e3', 'e4', 'e5'})

        at_least_120_days = {e.name for e in queryset.filter(completion_duration__gte=datetime.timedelta(days=120))}
        self.assertEqual(at_least_120_days, {'e5'})

        less_than_5_days = {e.name for e in queryset.filter(completion_duration__lt=datetime.timedelta(days=5))}
        self.assertEqual(less_than_5_days, {'e0', 'e1', 'e2'})

開發者ID:nesdis，項目名稱:djongo，代碼行數:17，代碼來源:tests.py

示例11: test_time_subtraction

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_time_subtraction(self):
        Time.objects.create(time=datetime.time(12, 30, 15, 2345))
        queryset = Time.objects.annotate(
            difference=ExpressionWrapper(
                F('time') - Value(datetime.time(11, 15, 0), output_field=models.TimeField()),
                output_field=models.DurationField(),
            )
        )
        self.assertEqual(
            queryset.get().difference,
            datetime.timedelta(hours=1, minutes=15, seconds=15, microseconds=2345)
        )

開發者ID:nesdis，項目名稱:djongo，代碼行數:14，代碼來源:tests.py

示例12: test_datetime_subtraction_microseconds

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_datetime_subtraction_microseconds(self):
        delta = datetime.timedelta(microseconds=8999999999999999)
        Experiment.objects.update(end=F('start') + delta)
        qs = Experiment.objects.annotate(
            delta=ExpressionWrapper(F('end') - F('start'), output_field=models.DurationField())
        )
        for e in qs:
            self.assertEqual(e.delta, delta)

開發者ID:nesdis，項目名稱:djongo，代碼行數:10，代碼來源:tests.py

示例13: test_date_minus_duration

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_date_minus_duration(self):
        more_than_4_days = Experiment.objects.filter(
            assigned__lt=F('completed') - Value(datetime.timedelta(days=4), output_field=models.DurationField())
        )
        self.assertQuerysetEqual(more_than_4_days, ['e3', 'e4', 'e5'], lambda e: e.name)

開發者ID:nesdis，項目名稱:djongo，代碼行數:7，代碼來源:tests.py

示例14: test_subtract_temporals

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_subtract_temporals(self):
        duration_field = DurationField()
        duration_field_internal_type = duration_field.get_internal_type()
        msg = (
            'This backend does not support %s subtraction.' %
            duration_field_internal_type
        )
        with self.assertRaisesMessage(NotSupportedError, msg):
            self.ops.subtract_temporals(duration_field_internal_type, None, None)

開發者ID:nesdis，項目名稱:djongo，代碼行數:11，代碼來源:test_operations.py

示例15: test_formfield

# 需要導入模塊: from django.db import models [as 別名]
# 或者: from django.db.models import DurationField [as 別名]
def test_formfield(self):
        field = models.DurationField()
        self.assertIsInstance(field.formfield(), forms.DurationField)

開發者ID:nesdis，項目名稱:djongo，代碼行數:5，代碼來源:test_durationfield.py

注：本文中的django.db.models.DurationField方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。