"""Parse column rectangles from template.svg."""
import re


def parse_column_rects(svg_path):
    with open(svg_path) as f:
        content = f.read()
    blocks = re.findall(r"<rect[^>]+>", content)
    cols = []
    for block in blocks:
        x = float(re.search(r'x="([^"]+)"', block).group(1))
        y = float(re.search(r'y="([^"]+)"', block).group(1))
        w = float(re.search(r'width="([^"]+)"', block).group(1))
        h = float(re.search(r'height="([^"]+)"', block).group(1))
        cols.append({"x": x, "y": y, "w": w, "h": h})
    return cols


def column_bounds(cols):
    return [(c["x"], c["x"] + c["w"]) for c in cols]


def row_bounds(num_rows, table_y, table_height):
    step = table_height / num_rows
    return [(table_y + i * step, table_y + (i + 1) * step) for i in range(num_rows)]