339 class ProgressBarWidget(HTMLWidget):

   340     """display a progress bar widget"""

   341     precision = 0.1

   342     red_threshold = 1.1

   343     orange_threshold = 1.05

   344     yellow_threshold = 1

   345 

   346     def __init__(self, done, todo, total):

   347         self.done = done

   348         self.todo = todo

   349         self.budget = total

   350 

   351     @property

   352     def overrun(self):

   353         """overrun = done + todo - """

   354         if self.done + self.todo > self.budget:

   355             overrun = self.done + self.todo - self.budget

   356         else:

   357             overrun = 0

   358         if overrun < self.precision:

   359             overrun = 0

   360         return overrun

   361 

   362     @property

   363     def overrun_percentage(self):

   364         """pourcentage overrun = overrun / budget"""

   365         if self.budget == 0:

   366             return 0

   367         else:

   368             return self.overrun * 100. / self.budget

   369 

   370     def _render(self):

   371         done = self.done

   372         todo = self.todo

   373         budget = self.budget

   374         if budget == 0:

   375             pourcent = 100

   376         else:

   377             pourcent = done*100./budget

   378         if pourcent > 100.1:

   379             color = 'red'

   380         elif todo+done > self.red_threshold*budget:

   381             color = 'red'

   382         elif todo+done > self.orange_threshold*budget:

   383             color = 'orange'

   384         elif todo+done > self.yellow_threshold*budget:

   385             color = 'yellow'

   386         else:

   387             color = 'green'

   388         if pourcent < 0:

   389             pourcent = 0

   390 

   391         if floor(done) == done or done>100:

   392             done_str = '%i' % done

   393         else:

   394             done_str = '%.1f' % done

   395         if floor(budget) == budget or budget>100:

   396             budget_str = '%i' % budget

   397         else:

   398             budget_str = '%.1f' % budget

   399 

   400         title = u'%s/%s = %i%%' % (done_str, budget_str, pourcent)

   401         short_title = title

   402         if self.overrun_percentage:

   403             title += u' overrun +%sj (+%i%%)' % (self.overrun,

   404                                                  self.overrun_percentage)

   405             overrun = self.overrun

   406             if floor(overrun) == overrun or overrun>100:

   407                 overrun_str = '%i' % overrun

   408             else:

   409                 overrun_str = '%.1f' % overrun

   410             short_title += u' +%s' % overrun_str

   411         # write bars

   412         maxi = max(done+todo, budget)

   413         if maxi == 0:

   414             maxi = 1

   415 

   416         cid = random.randint(0, 100000)

   417         self.w(u'%s<br/>'

   418                u'<canvas class="progressbar" id="canvas%i" width="100" height="10"></canvas>'

   419                u'<script type="application/x-javascript">'

   420                u'draw_progressbar("canvas%i", %i, %i, %i, "%s");</script>'

   421                % (short_title.replace(' ',' '), cid, cid,

   422                   int(100.*done/maxi), int(100.*(done+todo)/maxi),

   423                   int(100.*budget/maxi), color))