Python datetime_safe.datetime方法代码示例

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def _from_python(self, value):
        """
        Converts Python values to a string for Whoosh.

        Code courtesy of pysolr.
        """
        if hasattr(value, 'strftime'):
            if not hasattr(value, 'hour'):
                value = datetime(value.year, value.month, value.day, 0, 0, 0)
        elif isinstance(value, bool):
            if value:
                value = 'true'
            else:
                value = 'false'
        elif isinstance(value, (list, tuple)):
            value = u','.join([force_text(v) for v in value])
        elif isinstance(value, (six.integer_types, float)):
            # Leave it alone.
            pass
        else:
            value = force_text(value)
        return value 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def test_serialize_datetime(self):
        self.assertSerializedEqual(datetime.datetime.utcnow())
        self.assertSerializedEqual(datetime.datetime.utcnow)
        self.assertSerializedEqual(datetime.datetime.today())
        self.assertSerializedEqual(datetime.datetime.today)
        self.assertSerializedEqual(datetime.date.today())
        self.assertSerializedEqual(datetime.date.today)
        self.assertSerializedEqual(datetime.datetime.now().time())
        self.assertSerializedEqual(datetime.datetime(2014, 1, 1, 1, 1, tzinfo=get_default_timezone()))
        self.assertSerializedEqual(datetime.datetime(2013, 12, 31, 22, 1, tzinfo=FixedOffset(180)))
        self.assertSerializedResultEqual(
            datetime.datetime(2014, 1, 1, 1, 1),
            ("datetime.datetime(2014, 1, 1, 1, 1)", {'import datetime'})
        )
        self.assertSerializedResultEqual(
            datetime.datetime(2012, 1, 1, 1, 1, tzinfo=utc),
            (
                "datetime.datetime(2012, 1, 1, 1, 1, tzinfo=utc)",
                {'import datetime', 'from django.utils.timezone import utc'},
            )
        ) 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def test_migration_file_header_comments(self):
        """
        Test comments at top of file.
        """
        migration = type(str("Migration"), (migrations.Migration,), {
            "operations": []
        })
        dt = datetime.datetime(2015, 7, 31, 4, 40, 0, 0, tzinfo=utc)
        with mock.patch('django.db.migrations.writer.now', lambda: dt):
            writer = MigrationWriter(migration)
            output = writer.as_string()

        self.assertTrue(
            output.startswith(
                "# -*- coding: utf-8 -*-\n"
                "# Generated by Django %(version)s on 2015-07-31 04:40\n" % {
                    'version': get_version(),
                }
            )
        ) 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def test_sorted_imports(self):
        """
        #24155 - Tests ordering of imports.
        """
        migration = type("Migration", (migrations.Migration,), {
            "operations": [
                migrations.AddField("mymodel", "myfield", models.DateTimeField(
                    default=datetime.datetime(2012, 1, 1, 1, 1, tzinfo=utc),
                )),
            ]
        })
        writer = MigrationWriter(migration)
        output = writer.as_string()
        self.assertIn(
            "import datetime\n"
            "from django.db import migrations, models\n"
            "from django.utils.timezone import utc\n",
            output
        ) 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def test_migration_file_header_comments(self):
        """
        Test comments at top of file.
        """
        migration = type("Migration", (migrations.Migration,), {
            "operations": []
        })
        dt = datetime.datetime(2015, 7, 31, 4, 40, 0, 0, tzinfo=utc)
        with mock.patch('django.db.migrations.writer.now', lambda: dt):
            writer = MigrationWriter(migration)
            output = writer.as_string()

        self.assertTrue(
            output.startswith(
                "# Generated by Django %(version)s on 2015-07-31 04:40\n" % {
                    'version': get_version(),
                }
            )
        ) 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def test_compare_datetimes(self):
        self.assertEqual(original_datetime(*self.more_recent), datetime(*self.more_recent))
        self.assertEqual(original_datetime(*self.really_old), datetime(*self.really_old))
        self.assertEqual(original_date(*self.more_recent), date(*self.more_recent))
        self.assertEqual(original_date(*self.really_old), date(*self.really_old))

        self.assertEqual(
            original_date(*self.just_safe).strftime('%Y-%m-%d'), date(*self.just_safe).strftime('%Y-%m-%d')
        )
        self.assertEqual(
            original_datetime(*self.just_safe).strftime('%Y-%m-%d'), datetime(*self.just_safe).strftime('%Y-%m-%d')
        )

        self.assertEqual(
            original_time(*self.just_time).strftime('%H:%M:%S'), time(*self.just_time).strftime('%H:%M:%S')
        ) 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def test_safe_strftime(self):
        self.assertEqual(date(*self.just_unsafe[:3]).strftime('%Y-%m-%d (weekday %w)'), '1899-12-31 (weekday 0)')
        self.assertEqual(date(*self.just_safe).strftime('%Y-%m-%d (weekday %w)'), '1900-01-01 (weekday 1)')

        self.assertEqual(
            datetime(*self.just_unsafe).strftime('%Y-%m-%d %H:%M:%S (weekday %w)'), '1899-12-31 23:59:59 (weekday 0)'
        )
        self.assertEqual(
            datetime(*self.just_safe).strftime('%Y-%m-%d %H:%M:%S (weekday %w)'), '1900-01-01 00:00:00 (weekday 1)'
        )

        self.assertEqual(time(*self.just_time).strftime('%H:%M:%S AM'), '11:30:59 AM')

        # %y will error before this date
        self.assertEqual(date(*self.just_safe).strftime('%y'), '00')
        self.assertEqual(datetime(*self.just_safe).strftime('%y'), '00')

        self.assertEqual(date(1850, 8, 2).strftime("%Y/%m/%d was a %A"), '1850/08/02 was a Friday') 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def serialize_datetime(value):
        """
        Returns a serialized version of a datetime object that is valid,
        executable python code. It converts timezone-aware values to utc with
        an 'executable' utc representation of tzinfo.
        """
        if value.tzinfo is not None and value.tzinfo != utc:
            value = value.astimezone(utc)
        value_repr = repr(value).replace("<UTC>", "utc")
        if isinstance(value, datetime_safe.datetime):
            value_repr = "datetime.%s" % value_repr
        return value_repr 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def serialize(self):
        if self.value.tzinfo is not None and self.value.tzinfo != utc:
            self.value = self.value.astimezone(utc)
        value_repr = repr(self.value).replace("<UTC>", "utc")
        if isinstance(self.value, datetime_safe.datetime):
            value_repr = "datetime.%s" % value_repr
        imports = ["import datetime"]
        if self.value.tzinfo is not None:
            imports.append("from django.utils.timezone import utc")
        return value_repr, set(imports) 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def _to_python(self, value):
        """
        Converts values from Whoosh to native Python values.

        A port of the same method in pysolr, as they deal with data the same way.
        """
        if value == 'true':
            return True
        elif value == 'false':
            return False

        if value and isinstance(value, six.string_types):
            possible_datetime = DATETIME_REGEX.search(value)

            if possible_datetime:
                date_values = possible_datetime.groupdict()

                for dk, dv in date_values.items():
                    date_values[dk] = int(dv)

                return datetime(date_values['year'], date_values['month'], date_values['day'], date_values['hour'], date_values['minute'], date_values['second'])

        try:
            # Attempt to use json to load the values.
            converted_value = json.loads(value)

            # Try to handle most built-in types.
            if isinstance(converted_value, (list, tuple, set, dict, six.integer_types, float, complex)):
                return converted_value
        except:
            # If it fails (SyntaxError or its ilk) or we don't trust it,
            # continue on.
            pass

        return value 

# 需要导入模块: from django.utils import datetime_safe [as 别名]
# 或者: from django.utils.datetime_safe import datetime [as 别名]
def _to_python(self, value):
        """
        Converts values from Whoosh to native Python values.

        A port of the same method in pysolr, as they deal with data the same way.
        """
        if value == 'true':
            return True
        elif value == 'false':
            return False

        if value and isinstance(value, six.string_types):
            possible_datetime = DATETIME_REGEX.search(value)

            if possible_datetime:
                date_values = possible_datetime.groupdict()

                for dk, dv in date_values.items():
                    date_values[dk] = int(dv)

                return datetime(date_values['year'], date_values['month'], date_values['day'], date_values['hour'],
                                date_values['minute'], date_values['second'])

        try:
            # Attempt to use json to load the values.
            converted_value = json.loads(value)

            # Try to handle most built-in types.
            if isinstance(converted_value, (list, tuple, set, dict, six.integer_types, float, complex)):
                return converted_value
        except:
            # If it fails (SyntaxError or its ilk) or we don't trust it,
            # continue on.
            pass

        return value