Added login api

acer-env/lib/python3.10/site-packages/django/contrib/postgres/aggregates/general.py

@@ -0,0 +1,115 @@
+import warnings
+
+from django.contrib.postgres.fields import ArrayField
+from django.db.models import Aggregate, BooleanField, JSONField, TextField, Value
+from django.utils.deprecation import RemovedInDjango50Warning
+
+from .mixins import OrderableAggMixin
+
+__all__ = [
+    "ArrayAgg",
+    "BitAnd",
+    "BitOr",
+    "BitXor",
+    "BoolAnd",
+    "BoolOr",
+    "JSONBAgg",
+    "StringAgg",
+]
+
+
+# RemovedInDjango50Warning
+NOT_PROVIDED = object()
+
+
+class DeprecatedConvertValueMixin:
+    def __init__(self, *expressions, default=NOT_PROVIDED, **extra):
+        if default is NOT_PROVIDED:
+            default = None
+            self._default_provided = False
+        else:
+            self._default_provided = True
+        super().__init__(*expressions, default=default, **extra)
+
+    def convert_value(self, value, expression, connection):
+        if value is None and not self._default_provided:
+            warnings.warn(self.deprecation_msg, category=RemovedInDjango50Warning)
+            return self.deprecation_value
+        return value
+
+
+class ArrayAgg(DeprecatedConvertValueMixin, OrderableAggMixin, Aggregate):
+    function = "ARRAY_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(ordering)s)"
+    allow_distinct = True
+
+    # RemovedInDjango50Warning
+    deprecation_value = property(lambda self: [])
+    deprecation_msg = (
+        "In Django 5.0, ArrayAgg() will return None instead of an empty list "
+        "if there are no rows. Pass default=None to opt into the new behavior "
+        "and silence this warning or default=Value([]) to keep the previous "
+        "behavior."
+    )
+
+    @property
+    def output_field(self):
+        return ArrayField(self.source_expressions[0].output_field)
+
+
+class BitAnd(Aggregate):
+    function = "BIT_AND"
+
+
+class BitOr(Aggregate):
+    function = "BIT_OR"
+
+
+class BitXor(Aggregate):
+    function = "BIT_XOR"
+
+
+class BoolAnd(Aggregate):
+    function = "BOOL_AND"
+    output_field = BooleanField()
+
+
+class BoolOr(Aggregate):
+    function = "BOOL_OR"
+    output_field = BooleanField()
+
+
+class JSONBAgg(DeprecatedConvertValueMixin, OrderableAggMixin, Aggregate):
+    function = "JSONB_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(ordering)s)"
+    allow_distinct = True
+    output_field = JSONField()
+
+    # RemovedInDjango50Warning
+    deprecation_value = "[]"
+    deprecation_msg = (
+        "In Django 5.0, JSONBAgg() will return None instead of an empty list "
+        "if there are no rows. Pass default=None to opt into the new behavior "
+        "and silence this warning or default=Value('[]') to keep the previous "
+        "behavior."
+    )
+
+
+class StringAgg(DeprecatedConvertValueMixin, OrderableAggMixin, Aggregate):
+    function = "STRING_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(ordering)s)"
+    allow_distinct = True
+    output_field = TextField()
+
+    # RemovedInDjango50Warning
+    deprecation_value = ""
+    deprecation_msg = (
+        "In Django 5.0, StringAgg() will return None instead of an empty "
+        "string if there are no rows. Pass default=None to opt into the new "
+        "behavior and silence this warning or default=Value('') to keep the "
+        "previous behavior."
+    )
+
+    def __init__(self, expression, delimiter, **extra):
+        delimiter_expr = Value(str(delimiter))
+        super().__init__(expression, delimiter_expr, **extra)