nd source code</span>
</summary>
<pre><code class="python">class ChemBase:
  def __init__(self,*args,kekulize=True,wedgeBonds=True, template=None, bondWidth=2,
               molsize=(200,200), **kwargs):
    self._kekulize = kekulize
    self._wedgeBonds= wedgeBonds
    self._template = template
    self._molsize  = molsize
    self._bondWidth= bondWidth

    dopt = DrawingOptions()
    dopt.bondLineWidth=bondWidth
    dopt.bondWidth = bondWidth
    dopt.colorBonds=False
    dopt.kekulize=kekulize
    self