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Viewing changes to src/lib/plugins/nutritional_information/export_plugin.py

  • Committer: Bazaar Package Importer
  • Author(s): Rolf Leggewie
  • Date: 2008-07-26 13:29:41 UTC
  • Revision ID: james.westby@ubuntu.com-20080726132941-6ldd73qmacrzz0bn
Tags: upstream-0.14.0
Import upstream version 0.14.0

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src/lib/plugins/nutritional_information/export_plugin.py
 
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from gourmet.plugin import BaseExporterPlugin
 
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from gourmet.recipeManager import default_rec_manager
 
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from nutritionLabel import MAIN_NUT_LAYOUT, MAJOR, MINOR, TINY, SEP, SHOW_PERCENT, DONT_SHOW_PERCENT, SEP
 
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from gettext import gettext as _
 
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class NutritionBaseExporterPlugin (BaseExporterPlugin):
 
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    def __init__ (self):
 
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        BaseExporterPlugin.__init__(self)
 
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        self.add_field('Nutritional Information',
 
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                       self.get_nutritional_info_as_text_blob,
 
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                       self.TEXT)
 
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    def get_nutritional_info_as_text_blob (self, rec):
 
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        txt = ''
 
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        footnotes = ''
 
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        rd = default_rec_manager()
 
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        nd = rd.nd
 
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        nutinfo = nd.get_nutinfo_for_inglist(rd.get_ings(rec),rd)
 
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        ings = rd.get_ings(rec)
 
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        vapor = nutinfo._get_vapor()
 
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        if rec.servings:
 
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            txt += '<i>%s</i>'%((rec.servings and _('Nutritional information reflects amount per serving.'))
 
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                                or
 
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                                _('Nutritional information reflects amounts for entire recipe'))
 
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        if len(vapor)==len(ings): return None
 
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        if vapor:
 
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            txt = txt + '*'
 
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            footnotes = '\n*' + _('Nutritional information is missing for %s ingredients: %s')%(
 
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                len(vapor),
 
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                ', '.join([nv.__ingobject__.item for nv in vapor])
 
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                )
 
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        for itm in MAIN_NUT_LAYOUT:
 
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            if itm == SEP:
 
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                # We don't have any nice way of outputting separator
 
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                # lines in our export
 
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                continue
 
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            else:
 
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                label,typ,name,properties,show_percent,unit = itm
 
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                if typ==MAJOR:
 
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                    itm_text = '<b>'+label+'</b>'
 
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                else:
 
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                    itm_text = label
 
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                if unit:
 
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                    itm_text += ' (%s)'%unit
 
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                if type(properties) == list:
 
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                    print 'Summing',properties
 
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                    amts = [getattr(nutinfo,att) for att in properties]
 
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                    print 'amts',amts
 
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                    amt = sum(amts)
 
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                else:
 
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                    amt = getattr(nutinfo,properties)
 
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                if rec.servings:
 
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                    amt = amt/rec.servings
 
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                itm_text += ' %d'%round(amt)
 
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            txt += '\n'+itm_text
 
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        return '\n'.join([txt,footnotes])