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from reportlab.platypus import Paragraph

from reportlab.lib.styles import ParagraphStyle

from reportlab.lib.units import mm

import dtutil

import datetime



st = ParagraphStyle( 'lettera' )

st.fontSize = 12



class lt_indir (Paragraph):

  def __init__( self, txt ):

    ntxt = '<para leftIndent=90mm >%s</para>' % txt

    Paragraph.__init__( self, ntxt, st, None )

    

class lt_data (Paragraph):

  def __init__( self, dt=None, luogo='Modena' ):

    if dt == None: dt = datetime.date.today()

    sdt = dtutil.timedelta_serializer( dt )

    txt = luogo + ', ' + sdt 

    ntxt = '<para leftIndent=90mm spaceBefore=1cm spaceAfter=1cm>'

    ntxt += txt + '</para>' 

    Paragraph.__init__( self, ntxt, st, None )



class lt_oggetto (Paragraph):

  def __init__( self, txt ):

    ntxt = '<para spaceBefore=1cm spaceAfter=1cm>Oggetto: '

    ntxt += txt + ' </para>' 

    Paragraph.__init__( self, ntxt, st, None )

  

class lt_firma (Paragraph):

  def __init__( self, txt ):

    ntxt = '<para leftIndent=90mm spaceBefore=1cm>%s</para>' % txt

    Paragraph.__init__( self, ntxt, st, None )



class lt_body (Paragraph):

  def __init__( self, txt ):

    ntxt = '<para firstLineIndent=10mm spaceBefore=1cm spaceAfter=1cm>'

    ntxt += txt + '</para>' 

    Paragraph.__init__( self, ntxt, st, None )



def lettera( ):

  lf = []

  lf.append( lt_indir( ) )

  lf.append( lt_data( ) )

  lf.append( lt_oggetto( ) )

  lf.append( lt_body( ) )

  lf.append( lt_firma( ) )

  return lf