Current File : //lib/python3/dist-packages/reportlab/lib/units.py
#! /usr/bin/python3
#Copyright ReportLab Europe Ltd. 2000-2017
#see license.txt for license details
#history https://hg.reportlab.com/hg-public/reportlab/log/tip/src/reportlab/lib/units.py
__version__='3.3.0'
__doc__='''Defines inch, cm, mm etc as multiples of a point
You can now in user-friendly units by doing::
from reportlab.lib.units import inch
r = Rect(0, 0, 3 * inch, 6 * inch)
'''
inch = 72.0
cm = inch / 2.54
mm = cm * 0.1
pica = 12.0
def toLength(s):
'''convert a string to a length'''
try:
if s[-2:]=='cm': return float(s[:-2])*cm
if s[-2:]=='in': return float(s[:-2])*inch
if s[-2:]=='pt': return float(s[:-2])
if s[-1:]=='i': return float(s[:-1])*inch
if s[-2:]=='mm': return float(s[:-2])*mm
if s[-4:]=='pica': return float(s[:-4])*pica
return float(s)
except:
raise ValueError("Can't convert '%s' to length" % s)
Mini Shell