source: sasview/sansview/perspectives/fitting/fit_thread.py @ 71bd773

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 71bd773 was 66ff250, checked in by Gervaise Alina <gervyh@…>, 14 years ago

working on fit stop

  • Property mode set to 100644
File size: 2.0 KB
Line 
1
2import sys
3from data_util.calcthread import CalcThread
4
5
6class FitThread(CalcThread):
7    """Thread performing the fit """
8   
9    def __init__(self, parent,
10                  fn,
11                  page_id,
12                   handler,
13                  pars=None,
14                 completefn = None,
15                 updatefn   = None,
16                 yieldtime  = 0.01,
17                 worktime   = 0.01
18                 ):
19        CalcThread.__init__(self,completefn,
20                 updatefn,
21                 yieldtime,
22                 worktime)
23        self.parent = parent
24        self.handler = handler
25        self.fitter = fn
26        self.pars = pars
27        self.page_id = page_id
28        self.starttime = 0
29        self.updatefn = updatefn
30   
31    def isquit(self):
32        """
33        :raise KeyboardInterrupt: when the thread is interrupted
34       
35        """
36        try:
37            CalcThread.isquit(self)
38        except KeyboardInterrupt:
39            raise KeyboardInterrupt
40       
41    def compute(self):
42        """
43        Perform a fit
44        """
45        try: 
46            #self.handler.starting_fit()
47            #Result from the fit
48            result = self.fitter.fit(handler=self.handler, curr_thread=self)
49            self.complete(result= result,
50                          page_id=self.page_id,
51                          pars = self.pars)
52           
53        except KeyboardInterrupt, msg:
54            # Thread was interrupted, just proceed and re-raise.
55            # Real code should not print, but this is an example...
56            #print "keyboard exception"
57            #Stop on exception during fitting. Todo: need to put some mssg and reset progress bar.
58            raise
59            #if self.handler is not None:
60            #    self.handler.error(msg=msg)
61        except:
62            raise
63            #if self.handler is not None:
64            #    self.handler.error(msg=str(sys.exc_value))
65           
66       
67   
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