Expressions: Windowell

def test_named_window(self): weekly = WindowellBuilder()\ .partition('product')\ .order('date')\ .rows_between(3, 'preceding', 0, 'current_row')\ .build('weekly_sales')

@staticmethod def overlay(window1: WindowellExpression, window2: WindowellExpression): """Overlay windows: combine frame definitions""" return WindowellExpression( partition_by=window1.partition_by or window2.partition_by, order_by=window1.order_by or window2.order_by, frame=window2.frame if window2.frame else window1.frame )

Window wells are essential for basements that sit below ground level, providing a way for light to enter and offering an emergency escape route. However, traditional window wells are often a source of problems: windowell expressions

import unittest

Covers keep out leaves, snow, rain, and debris, reducing the need for maintenance. def test_named_window(self): weekly = WindowellBuilder()\

def resolve_window(self, window_spec: str | WindowellExpression) -> WindowellExpression: """Resolve window reference with optional overrides""" if isinstance(window_spec, str): base = self.window_registry.get(window_spec) if not base: raise ValueError(f"Undefined window: window_spec") return base return window_spec

def setUp(self): self.engine = WindowellEngine() self.df = pd.DataFrame( 'product': ['A', 'A', 'A', 'B', 'B'], 'date': pd.date_range('2024-01-01', periods=5), 'sales': [100, 150, 200, 50, 75] ) These covers serve two main purposes: protection and safety

class TestWindowellExpressions(unittest.TestCase):

One of the primary services offered by Windowell Expressions is the installation of high-quality window well covers. These covers serve two main purposes: protection and safety. 1. Safety and Security