Best Python code snippet using localstack_python
finalization.py
Source:finalization.py
1import time, gc23from allegra import loginfo, async_loop, finalization456# boiler plate78def watch (finalized):9 "inspect the continuation"10 loginfo.log ('%r - %d: %r' % (11 finalized, 12 len (finalized.async_finalized), 13 finalized.async_finalized14 ))1516class Labeled (finalization.Finalization):17 "labeled test finalization"18 def __init__ (self, label): self.label = label19 def __repr__ (self): return self.label20 21class Watch (Labeled):22 "log test continuation and inspect the continuation"23 def __call__ (self, finalized):24 loginfo.log ('%r continue %r - %d: %r' % (25 self, finalized, 26 len (finalized.async_finalized), 27 finalized.async_finalized28 ))2930class Continue (Watch):31 32 label = 'Continue'33 34 def __init__ (self, finalizations):35 self.__call__, self.continued = finalization.continuation (36 finalizations37 )3839class Join (Watch):40 41 label = 'Join'4243 def __init__ (self, finalizations):44 self.finalizations = finalizations45 46 def __call__ (self, finalized):47 if self.finalizations:48 for joined in self.finalizations:49 joined.finalization = self50 self.finalizations = None51 else:52 watch (finalized)5354# Test Syntax5556def test_watch ():57 Watch ('A').finalization = Watch ('B')58 async_loop.dispatch ()5960def test_continuation ():61 "test Continuation, Continue, Join and finalization"62 Continue ((63 Watch ('begin'),64 Watch ('one'),65 Join ((66 Watch ('two'), 67 Watch ('three')68 )),69 Watch ('joined'),70 finalization.Branch ((71 Watch ('end'), 72 Watch ('branched'),73 ))74 ))75 async_loop.dispatch ()767778def test_cycle ():79 "test a finalizations' cycle collection"80 one = Watch ('one')81 two = Watch ('two')82 three = Watch ('three')83 four = Watch ('four')84 finalization.continuation ([one, two, three, four])85 four.cycle = three86 del one, two, three, four87 async_loop.dispatch ()88 gc.collect ()89 loginfo.log ('garbage: %r' % gc.garbage)90 for cycled in gc.garbage:91 cycled.finalization = None92 async_loop.dispatch ()93949596def test_scale (N, M, Finalization=finalization.Finalization, count=False):97 "test scales on a system"98 if count:99 Finalization.count = 0100 def finalize (finalization, finalized):101 Finalization.count += 1102 else:103 finalize = lambda finalization, finalized: None104 Finalization.__call__ = finalize105 t = time.clock ()106 c = []107 for i in range (M):108 f = Finalization ()109 c.append (f)110 for j in range (N):111 f.finalization = Finalization ()112 f = f.finalization113 t = time.clock () - t114 loginfo.log ('%d instanciations: %f seconds' % (N*M, t))115 t = time.clock ()116 del c117 finalization.async_loop.dispatch ()118 t = time.clock () - t119 try:120 loginfo.log ('%d finalizations: %f seconds' % (121 Finalization.count, t122 ))123 except:124 loginfo.log ('finalization: %f seconds' % t)125 126if __name__ == '__main__':127 test_watch ()128 test_continuation ()129 test_cycle ()130 test_scale (10, 10, count=False)131 test_scale (100, 100, count=False)
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test_util.py
Source:test_util.py
...30 def parse(self, code):31 return parse(definitions, SingleLineFeeder(code))32 def compare(self, expr1, expr2):33 assert expr1.sameQ(expr2)34 def test_continuation(self):35 self.incomplete_error("Sin[")36 self.check("Sin[\n0]", "Sin[0]")37 self.check("Sin[\n\n0]", "Sin[0]")38 def test_trailing_backslash(self):39 self.incomplete_error("x \\")40 self.check("x \\\ny", "Times[x, y]")41class MultiLineParserTests(UtilTests):42 def parse(self, code):43 return parse(definitions, MultiLineFeeder(code))44 def compare(self, expr1, expr2):45 assert expr1.sameQ(expr2)46 def test_trailing_backslash(self):47 self.incomplete_error("x \\")48 self.check("x \\\ny", "Times[x, y]")49 def test_continuation(self):50 self.incomplete_error("Sin[")51 self.check("Sin[\n0]", "Sin[0]")52 self.check("Sin[0\n]", "Sin[0]")53 self.check("Sin[\n\n0]", "Sin[0]")54 def test_CompoundExpression(self):55 self.check("f[a;\nb]", "f[CompoundExpression[a, b]]")56 self.check("f[a;\nb;\nc;]", "f[CompoundExpression[a, b, c, Null]]")57 self.check("f[a;\nb;\nc;\n]", "f[CompoundExpression[a, b, c, Null]]")58 self.check("a;^b", "Power[CompoundExpression[a, Null], b]")59 feeder = MultiLineFeeder("a;\n^b")60 self.compare(61 parse(definitions, feeder), self.parse("CompoundExpression[a, Null]")62 )63 self.assertRaises(InvalidSyntaxError, lambda f: parse(definitions, f), feeder)...
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