def setup():
    from reportlab.lib.pagesizes import A4
    from reportlab.lib.units import cm
    from reportlab.pdfbase.ttfonts import TTFont
    from reportlab.pdfbase import pdfmetrics

    if 'DejaVuSans' not in pdfmetrics._fonts:
        pdfmetrics.registerFont(TTFont("DejaVuSans", "DejaVuSans.ttf"))
        pdfmetrics.registerFont(TTFont("DejaVuSans-Bold", "DejaVuSans-Bold.ttf"))
        pdfmetrics.registerFont(TTFont("DejaVuSans-Oblique", "DejaVuSans-Oblique.ttf"))
        pdfmetrics.registerFont(TTFont("DejaVuSans-BoldOblique", "DejaVuSans-BoldOblique.ttf"))

    return (cm, A4)


(cm, A4) = setup()

(page_width, page_height) = A4
font = 'DejaVuSans'
# Set default font size
default_font_size = 8


# set margins
topmargin = 2 * cm
bottommargin = 2.5 * cm
leftmargin = 2 * cm
rightmargin = 2 * cm

topcontent = page_height - topmargin
leftcontent = leftmargin
rightcontent = page_width - rightmargin
bottomcontent = bottommargin

rightcolumn = 13 * cm

address_width = 8.5 * cm
address_height = 5.0 * cm