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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
fields	[ DIR ]	drwxr-xr-x
functions	[ DIR ]	drwxr-xr-x
sql	[ DIR ]	drwxr-xr-x
__init__.py	2.46 KB	-rw-r--r--
aggregates.py	5.79 KB	-rw-r--r--
base.py	87.95 KB	-rw-r--r--
constants.py	117 B	-rw-r--r--
constraints.py	7.61 KB	-rw-r--r--
deletion.py	19.29 KB	-rw-r--r--
enums.py	2.69 KB	-rw-r--r--
expressions.py	51.01 KB	-rw-r--r--
indexes.py	11.02 KB	-rw-r--r--
lookups.py	22.76 KB	-rw-r--r--
manager.py	6.62 KB	-rw-r--r--
options.py	35.93 KB	-rw-r--r--
query.py	82.58 KB	-rw-r--r--
query_utils.py	12.38 KB	-rw-r--r--
signals.py	1.54 KB	-rw-r--r--
utils.py	1.57 KB	-rw-r--r--

Code Editor : enums.py

import enum

from django.utils.functional import Promise

__all__ = ['Choices', 'IntegerChoices', 'TextChoices']

class ChoicesMeta(enum.EnumMeta):
    """A metaclass for creating a enum choices."""

def __new__(metacls, classname, bases, classdict, **kwds):
        labels = []
        for key in classdict._member_names:
            value = classdict[key]
            if (
                isinstance(value, (list, tuple)) and
                len(value) > 1 and
                isinstance(value[-1], (Promise, str))
            ):
                *value, label = value
                value = tuple(value)
            else:
                label = key.replace('_', ' ').title()
            labels.append(label)
            # Use dict.__setitem__() to suppress defenses against double
            # assignment in enum's classdict.
            dict.__setitem__(classdict, key, value)
        cls = super().__new__(metacls, classname, bases, classdict, **kwds)
        cls._value2label_map_ = dict(zip(cls._value2member_map_, labels))
        # Add a label property to instances of enum which uses the enum member
        # that is passed in as "self" as the value to use when looking up the
        # label in the choices.
        cls.label = property(lambda self: cls._value2label_map_.get(self.value))
        cls.do_not_call_in_templates = True
        return enum.unique(cls)

def __contains__(cls, member):
        if not isinstance(member, enum.Enum):
            # Allow non-enums to match against member values.
            return any(x.value == member for x in cls)
        return super().__contains__(member)

@property
    def names(cls):
        empty = ['__empty__'] if hasattr(cls, '__empty__') else []
        return empty + [member.name for member in cls]

@property
    def choices(cls):
        empty = [(None, cls.__empty__)] if hasattr(cls, '__empty__') else []
        return empty + [(member.value, member.label) for member in cls]

@property
    def labels(cls):
        return [label for _, label in cls.choices]

@property
    def values(cls):
        return [value for value, _ in cls.choices]

class Choices(enum.Enum, metaclass=ChoicesMeta):
    """Class for creating enumerated choices."""

def __str__(self):
        """
        Use value when cast to str, so that Choices set as model instance
        attributes are rendered as expected in templates and similar contexts.
        """
        return str(self.value)

class IntegerChoices(int, Choices):
    """Class for creating enumerated integer choices."""
    pass

class TextChoices(str, Choices):
    """Class for creating enumerated string choices."""

def _generate_next_value_(name, start, count, last_values):
        return name

${this.title}

Code Editor : enums.py