| 1 | import sys |
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| 2 | import time |
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| 3 | from sas.sascalc.data_util.calcthread import CalcThread |
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| 4 | |
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| 5 | |
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| 6 | class CalcPr(CalcThread): |
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| 7 | """ |
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| 8 | Compute P(r) |
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| 9 | """ |
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| 10 | |
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| 11 | def __init__(self, pr, nfunc=5, error_func=None, completefn=None, |
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| 12 | updatefn=None, yieldtime=0.01, worktime=0.01): |
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| 13 | """ |
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| 14 | """ |
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| 15 | CalcThread.__init__(self, completefn, updatefn, yieldtime, worktime) |
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| 16 | self.pr = pr |
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| 17 | self.nfunc = nfunc |
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| 18 | self.error_func = error_func |
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| 19 | self.starttime = 0 |
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| 20 | |
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| 21 | def compute(self): |
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| 22 | """ |
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| 23 | Perform P(r) inversion |
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| 24 | """ |
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| 25 | try: |
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| 26 | self.starttime = time.time() |
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| 27 | out, cov = self.pr.invert(self.nfunc) |
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| 28 | elapsed = time.time() - self.starttime |
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| 29 | self.complete(out=out, cov=cov, pr=self.pr, elapsed=elapsed) |
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| 30 | except KeyboardInterrupt: |
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| 31 | # Thread was interrupted, just proceed |
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| 32 | pass |
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| 33 | except: |
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| 34 | if self.error_func is not None: |
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| 35 | self.error_func("CalcPr.compute: %s" % sys.exc_info()[1]) |
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| 36 | |
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| 37 | |
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| 38 | class EstimatePr(CalcThread): |
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| 39 | """ |
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| 40 | Estimate P(r) |
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| 41 | """ |
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| 42 | |
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| 43 | def __init__(self, pr, nfunc=5, error_func=None, completefn=None, |
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| 44 | updatefn=None, yieldtime=0.01, worktime=0.01): |
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| 45 | CalcThread.__init__(self, completefn, updatefn, yieldtime, worktime) |
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| 46 | self.pr = pr |
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| 47 | self.nfunc = nfunc |
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| 48 | self.error_func = error_func |
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| 49 | self.starttime = 0 |
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| 50 | |
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| 51 | def compute(self): |
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| 52 | """ |
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| 53 | Calculates the estimate |
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| 54 | """ |
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| 55 | try: |
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| 56 | alpha, message, elapsed = self.pr.estimate_alpha(self.nfunc) |
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| 57 | self.isquit() |
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| 58 | self.complete(alpha=alpha, message=message, elapsed=elapsed) |
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| 59 | except KeyboardInterrupt: |
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| 60 | # Thread was interrupted, just proceed |
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| 61 | pass |
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| 62 | except: |
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| 63 | if self.error_func is not None: |
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| 64 | self.error_func("EstimatePr.compute: %s" % sys.exc_info()[1]) |
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| 65 | |
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| 66 | |
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| 67 | class EstimateNT(CalcThread): |
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| 68 | """ |
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| 69 | """ |
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| 70 | def __init__(self, pr, nfunc=5, error_func=None, completefn=None, |
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| 71 | updatefn=None, yieldtime=0.01, worktime=0.01): |
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| 72 | CalcThread.__init__(self, completefn, updatefn, yieldtime, worktime) |
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| 73 | self.pr = pr |
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| 74 | self.nfunc = nfunc |
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| 75 | self.error_func = error_func |
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| 76 | self.starttime = 0 |
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| 77 | self._time_for_sleep = 0 |
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| 78 | self._sleep_delay = 1.0 |
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| 79 | |
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| 80 | def isquit(self): |
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| 81 | """ |
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| 82 | """ |
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| 83 | CalcThread.isquit(self) |
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| 84 | if time.time() > self._time_for_sleep + self._sleep_delay: |
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| 85 | time.sleep(.2) |
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| 86 | self._time_for_sleep = time.time() |
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| 87 | |
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| 88 | def compute(self): |
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| 89 | """ |
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| 90 | Calculates the estimate |
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| 91 | """ |
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| 92 | try: |
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| 93 | t_0 = time.time() |
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| 94 | self._time_for_sleep = t_0 |
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| 95 | nterms, alpha, message = self.pr.estimate_numterms(self.isquit) |
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| 96 | t_1 = time.time() - t_0 |
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| 97 | self.isquit() |
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| 98 | self.complete(nterms=nterms, alpha=alpha, message=message, elapsed=t_1) |
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| 99 | except KeyboardInterrupt: |
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| 100 | # Thread was interrupted, just proceed |
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| 101 | pass |
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| 102 | except: |
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| 103 | if self.error_func is not None: |
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| 104 | self.error_func("EstimatePr2.compute: %s" % sys.exc_info()[1]) |
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