source: sasview/calculatorview/src/sans/perspectives/calculator/load_thread.py @ 46472c61

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 46472c61 was 6572274, checked in by Jae Cho <jhjcho@…>, 13 years ago

updated dataloader name on calls

  • Property mode set to 100644
File size: 1.4 KB
Line 
1
2import time
3import sys
4
5
6from data_util.calcthread import CalcThread
7from sans.dataloader.loader import Loader
8       
9
10class DataReader(CalcThread):
11    """
12            Load a data given a filename
13    """
14    def __init__(self, path, 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.path = path
24        #Instantiate a loader
25        self.loader = Loader()
26        self.starttime = 0 
27       
28    def isquit(self):
29        """
30             @raise KeyboardInterrupt: when the thread is interrupted
31        """
32        try:
33            CalcThread.isquit(self)
34        except KeyboardInterrupt:
35            raise KeyboardInterrupt   
36       
37       
38    def compute(self):
39        """
40            read some data
41        """
42        self.starttime = time.time()
43        try:
44            data =  self.loader.load(self.path)
45            elapsed = time.time() - self.starttime
46            self.complete(data=data)
47        except KeyboardInterrupt:
48            # Thread was interrupted, just proceed and re-raise.
49            # Real code should not print, but this is an example...
50            raise
51     
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