from sans.guiframe.events import StatusEvent import time import wx import park from park.fitresult import FitHandler class ConsoleUpdate(FitHandler): """ Print progress to the console. """ isbetter = False """Record whether results improved since last update""" progress_delta = 60 """Number of seconds between progress updates""" improvement_delta = 5 """Number of seconds between improvement updates""" def __init__(self,parent, quiet=False,progress_delta=60,improvement_delta=5): """ If quiet is true, only print out final summary, not progress and improvements. :attr parent: the object that handle the messages """ self.parent= parent self.progress_time = time.time() self.progress_percent = 0 self.improvement_time = self.progress_time self.isbetter = False self.quiet = quiet self.progress_delta = progress_delta self.improvement_delta = improvement_delta self.elapsed_time = self.progress_time def progress(self, k, n): """ Report on progress. """ if self.quiet: return t = time.time() p = int((100*k)//n) # Show improvements if there are any dt = t - self.improvement_time if self.isbetter and dt > self.improvement_delta: self.result.print_summary() self.isbetter = False self.improvement_time = t wx.PostEvent(self.parent, StatusEvent(status=\ "%d%% complete ..."%(p),type="progress")) # Update percent complete dp = p-self.progress_percent if dp < 1: return dt = t - self.progress_time if dt > self.progress_delta: if 1 <= dp <= 2: self.progress_percent = p self.progress_time = t wx.PostEvent(self.parent, StatusEvent(status=\ "%d%% complete ..."%(p), type="progress")) elif 2 < dp <= 5: if p//5 != self.progress_percent//5: wx.PostEvent(self.parent, StatusEvent(status=\ "%d%% complete ..."%(5*(p//5)),type="progress")) self.progress_percent = p self.progress_time = t else: if p//10 != self.progress_percent//10: self.progress_percent = p self.progress_time = t wx.PostEvent(self.parent, StatusEvent(status=\ "%d%% complete ..."%(10*(p//10)),type="progress")) def improvement(self): """ Called when a result is observed which is better than previous results from the fit. """ self.isbetter = True def error(self, msg): """ Model had an error; print traceback """ if self.isbetter: self.result.print_summary() message = "fit Error" message = str(msg)+ " \n %s"%self.result.__str__() wx.PostEvent(self.parent, StatusEvent(status=message, info="error", type="stop")) def finalize(self): """ """ if self.isbetter: self.result.print_summary() def abort(self): """ """ if self.isbetter: self.result.print_summary() def update_fit(self, msg=""): """ """ self.elapsed_time = time.time() - self.elapsed_time msg = " Updating fit ...\n result:\n %s \n"%self.result.__str__() wx.PostEvent(self.parent, StatusEvent(status=msg, info="info", type="progress")) def starting_fit(self): """ """ wx.PostEvent(self.parent, StatusEvent(status="Starting the Fit...", info="info",type="progress")) def set_result(self, result): """ """ self.result = result