Python random.expovariate() Examples

The following are 30 code examples for showing how to use random.expovariate(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: python-transducers   Author: sixty-north   File: sources.py    License: MIT License 6 votes vote down vote up
def poisson_source(rate, iterable, target):
    """Send events at random times with uniform probability.

    Args:
        rate: The average number of events to send per second.
        iterable: A series of items which will be sent to the target one by one.
        target: The target coroutine or sink.

    Returns:
        An iterator over any remaining items.
    """
    if rate <= 0.0:
        raise ValueError("poisson_source rate {} is not positive".format(rate))

    it = iter(iterable)
    for item in it:
        duration = random.expovariate(rate)
        sleep(duration)
        try:
            target.send(item)
        except StopIteration:
            return prepend(item, it)
    return empty_iter() 
Example 2
Project: ironpython2   Author: IronLanguages   File: test_decimal.py    License: Apache License 2.0 6 votes vote down vote up
def test_explicit_from_float(self):
        r = Decimal(0.1)
        self.assertEqual(type(r), Decimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        self.assertTrue(Decimal(float('nan')).is_qnan())
        self.assertTrue(Decimal(float('inf')).is_infinite())
        self.assertTrue(Decimal(float('-inf')).is_infinite())
        self.assertEqual(str(Decimal(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(Decimal(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(Decimal(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertEqual(str(Decimal(float('-0.0'))),
                         str(Decimal('-0')))
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(Decimal(x))) # roundtrip 
Example 3
Project: ironpython2   Author: IronLanguages   File: test_decimal.py    License: Apache License 2.0 6 votes vote down vote up
def test_from_float(self):

        class  MyDecimal(Decimal):
            pass

        r = MyDecimal.from_float(0.1)
        self.assertEqual(type(r), MyDecimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        bigint = 12345678901234567890123456789
        self.assertEqual(MyDecimal.from_float(bigint), MyDecimal(bigint))
        self.assertTrue(MyDecimal.from_float(float('nan')).is_qnan())
        self.assertTrue(MyDecimal.from_float(float('inf')).is_infinite())
        self.assertTrue(MyDecimal.from_float(float('-inf')).is_infinite())
        self.assertEqual(str(MyDecimal.from_float(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(MyDecimal.from_float(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(MyDecimal.from_float(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertRaises(TypeError, MyDecimal.from_float, 'abc')
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(MyDecimal.from_float(x))) # roundtrip 
Example 4
Project: CyberScan   Author: medbenali   File: asn1.py    License: GNU General Public License v3.0 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 5
Project: BinderFilter   Author: dxwu   File: test_decimal.py    License: MIT License 6 votes vote down vote up
def test_explicit_from_float(self):
        r = Decimal(0.1)
        self.assertEqual(type(r), Decimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        self.assertTrue(Decimal(float('nan')).is_qnan())
        self.assertTrue(Decimal(float('inf')).is_infinite())
        self.assertTrue(Decimal(float('-inf')).is_infinite())
        self.assertEqual(str(Decimal(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(Decimal(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(Decimal(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertEqual(str(Decimal(float('-0.0'))),
                         str(Decimal('-0')))
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(Decimal(x))) # roundtrip 
Example 6
Project: BinderFilter   Author: dxwu   File: test_decimal.py    License: MIT License 6 votes vote down vote up
def test_from_float(self):

        class  MyDecimal(Decimal):
            pass

        r = MyDecimal.from_float(0.1)
        self.assertEqual(type(r), MyDecimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        bigint = 12345678901234567890123456789
        self.assertEqual(MyDecimal.from_float(bigint), MyDecimal(bigint))
        self.assertTrue(MyDecimal.from_float(float('nan')).is_qnan())
        self.assertTrue(MyDecimal.from_float(float('inf')).is_infinite())
        self.assertTrue(MyDecimal.from_float(float('-inf')).is_infinite())
        self.assertEqual(str(MyDecimal.from_float(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(MyDecimal.from_float(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(MyDecimal.from_float(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertRaises(TypeError, MyDecimal.from_float, 'abc')
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(MyDecimal.from_float(x))) # roundtrip 
Example 7
Project: oss-ftp   Author: aliyun   File: test_decimal.py    License: MIT License 6 votes vote down vote up
def test_explicit_from_float(self):
        r = Decimal(0.1)
        self.assertEqual(type(r), Decimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        self.assertTrue(Decimal(float('nan')).is_qnan())
        self.assertTrue(Decimal(float('inf')).is_infinite())
        self.assertTrue(Decimal(float('-inf')).is_infinite())
        self.assertEqual(str(Decimal(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(Decimal(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(Decimal(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertEqual(str(Decimal(float('-0.0'))),
                         str(Decimal('-0')))
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(Decimal(x))) # roundtrip 
Example 8
Project: oss-ftp   Author: aliyun   File: test_decimal.py    License: MIT License 6 votes vote down vote up
def test_from_float(self):

        class  MyDecimal(Decimal):
            pass

        r = MyDecimal.from_float(0.1)
        self.assertEqual(type(r), MyDecimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        bigint = 12345678901234567890123456789
        self.assertEqual(MyDecimal.from_float(bigint), MyDecimal(bigint))
        self.assertTrue(MyDecimal.from_float(float('nan')).is_qnan())
        self.assertTrue(MyDecimal.from_float(float('inf')).is_infinite())
        self.assertTrue(MyDecimal.from_float(float('-inf')).is_infinite())
        self.assertEqual(str(MyDecimal.from_float(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(MyDecimal.from_float(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(MyDecimal.from_float(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertRaises(TypeError, MyDecimal.from_float, 'abc')
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(MyDecimal.from_float(x))) # roundtrip 
Example 9
Project: momi2   Author: popgenmethods   File: demo_utils.py    License: GNU General Public License v3.0 6 votes vote down vote up
def random_tree_demo(num_leaf_pops, lins_per_pop):
    #events_list = []
    sampled_pops = list(range(1, num_leaf_pops + 1))
    model = momi.DemographicModel(1.0, .25)
    for p in sampled_pops:
        model.add_leaf(p, N=random.expovariate(1.0))
    roots = list(sampled_pops)
    #for i in roots:
    #    events_list += [('-en', 0.0, i, random.expovariate(1.0))]
    t = 0.0
    while len(roots) > 1:
        i, j = random.sample(roots, 2)
        t += random.expovariate(1.0)
        #events_list += [('-ej', t, i, j),
        #                ('-en', t, j, random.expovariate(1.0))]
        model.move_lineages(i, j, t, N=random.expovariate(1.0))
        roots.remove(i)
    #return make_demo_hist(events_list, sampled_pops, [lins_per_pop] * num_leaf_pops)
    return model
    # return make_demography(events_list, sampled_pops, [lins_per_pop] *
    # num_leaf_pops) 
Example 10
Project: smod-1   Author: theralfbrown   File: asn1.py    License: GNU General Public License v2.0 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 11
def test_pick_providers(self, mock1):

        self.vps = cloudomate.get_vps_providers
        self.get_gateway = blueAngel.BlueAngelHost.get_gateway
        self.estimate_price = Coinbase.Coinbase.estimate_price
        self.get_price = wallet_util.get_price
        self.get_fee = wallet_util.get_network_fee

        # cloudomate.get_vps_providers = MagicMock(
        #     return_value=CaseInsensitiveDict({'blueangelhost': blueAngel.BlueAngelHost}))
        random.expovariate = MagicMock(return_value=0.55)
        blueAngel.BlueAngelHost.get_gateway = MagicMock()
        Coinbase.Coinbase.estimate_price = MagicMock()
        cloudomate.pick_option = MagicMock(return_value=[1, 2, 3])
        wallet_util.get_price = MagicMock()
        wallet_util.get_network_fee = MagicMock()

        cloudomate.pick_provider(cloudomate.get_vps_providers())
        blueAngel.BlueAngelHost.get_gateway.assert_called_once()

        cloudomate.get_vps_providers = self.vps
        blueAngel.BlueAngelHost.get_gateway = self.get_gateway
        Coinbase.Coinbase.estimate_price = self.estimate_price
        wallet_util.get_price = self.get_price
        wallet_util.get_network_fee = self.get_fee 
Example 12
Project: CVE-2016-6366   Author: RiskSense-Ops   File: asn1.py    License: MIT License 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 13
Project: mptcp-abuse   Author: Neohapsis   File: asn1.py    License: GNU General Public License v2.0 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 14
Project: scapy   Author: secdev   File: asn1.py    License: GNU General Public License v2.0 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0, 1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_GENERALIZED_TIME) or issubclass(o, ASN1_UTC_TIME):  # noqa: E501
            z = GeneralizedTime()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05) + 1)
            return o("".join(random.choice(self.chars) for _ in range(z)))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08) + 1)
            return o([self.__class__(objlist=self.objlist)._fix(n + 1)
                      for _ in range(z)])
        return ASN1_INTEGER(int(random.gauss(0, 1000)))


##############
#    ASN1    #
############## 
Example 15
Project: ironpython3   Author: IronLanguages   File: test_decimal.py    License: Apache License 2.0 6 votes vote down vote up
def test_explicit_from_float(self):

        Decimal = self.decimal.Decimal

        r = Decimal(0.1)
        self.assertEqual(type(r), Decimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        self.assertTrue(Decimal(float('nan')).is_qnan())
        self.assertTrue(Decimal(float('inf')).is_infinite())
        self.assertTrue(Decimal(float('-inf')).is_infinite())
        self.assertEqual(str(Decimal(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(Decimal(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(Decimal(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertEqual(str(Decimal(float('-0.0'))),
                         str(Decimal('-0')))
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(Decimal(x))) # roundtrip 
Example 16
Project: ironpython3   Author: IronLanguages   File: test_decimal.py    License: Apache License 2.0 6 votes vote down vote up
def test_explicit_context_create_from_float(self):

        Decimal = self.decimal.Decimal

        nc = self.decimal.Context()
        r = nc.create_decimal(0.1)
        self.assertEqual(type(r), Decimal)
        self.assertEqual(str(r), '0.1000000000000000055511151231')
        self.assertTrue(nc.create_decimal(float('nan')).is_qnan())
        self.assertTrue(nc.create_decimal(float('inf')).is_infinite())
        self.assertTrue(nc.create_decimal(float('-inf')).is_infinite())
        self.assertEqual(str(nc.create_decimal(float('nan'))),
                         str(nc.create_decimal('NaN')))
        self.assertEqual(str(nc.create_decimal(float('inf'))),
                         str(nc.create_decimal('Infinity')))
        self.assertEqual(str(nc.create_decimal(float('-inf'))),
                         str(nc.create_decimal('-Infinity')))
        self.assertEqual(str(nc.create_decimal(float('-0.0'))),
                         str(nc.create_decimal('-0')))
        nc.prec = 100
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(nc.create_decimal(x))) # roundtrip 
Example 17
Project: rally   Author: elastic   File: params.py    License: Apache License 2.0 6 votes vote down vote up
def __init__(self, index_name, type_name, conflicting_ids=None, conflict_probability=None, on_conflict=None,
                 recency=None, rand=random.random, randint=random.randint, randexp=random.expovariate):
        if type_name:
            self.meta_data_index_with_id = '{"index": {"_index": "%s", "_type": "%s", "_id": "%s"}}\n' % \
                                           (index_name, type_name, "%s")
            self.meta_data_update_with_id = '{"update": {"_index": "%s", "_type": "%s", "_id": "%s"}}\n' % \
                                            (index_name, type_name, "%s")
            self.meta_data_index_no_id = '{"index": {"_index": "%s", "_type": "%s"}}\n' % (index_name, type_name)
        else:
            self.meta_data_index_with_id = '{"index": {"_index": "%s", "_id": "%s"}}\n' % (index_name, "%s")
            self.meta_data_update_with_id = '{"update": {"_index": "%s", "_id": "%s"}}\n' % (index_name, "%s")
            self.meta_data_index_no_id = '{"index": {"_index": "%s"}}\n' % index_name

        self.conflicting_ids = conflicting_ids
        self.on_conflict = on_conflict
        # random() produces numbers between 0 and 1 and the user denotes the probability in percentage between 0 and 100
        self.conflict_probability = conflict_probability / 100.0 if conflict_probability is not None else 0
        self.recency = recency if recency is not None else 0

        self.rand = rand
        self.randint = randint
        self.randexp = randexp
        self.id_up_to = 0 
Example 18
Project: dash-hack   Author: gpwclark   File: asn1.py    License: MIT License 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 19
Project: dash-hack   Author: gpwclark   File: asn1.py    License: MIT License 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 20
Project: dash-hack   Author: gpwclark   File: asn1.py    License: MIT License 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 21
Project: isip   Author: halit   File: asn1.py    License: MIT License 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 22
Project: gcblue   Author: gcblue   File: test_decimal.py    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
def test_explicit_from_float(self):
        r = Decimal(0.1)
        self.assertEqual(type(r), Decimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        self.assertTrue(Decimal(float('nan')).is_qnan())
        self.assertTrue(Decimal(float('inf')).is_infinite())
        self.assertTrue(Decimal(float('-inf')).is_infinite())
        self.assertEqual(str(Decimal(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(Decimal(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(Decimal(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertEqual(str(Decimal(float('-0.0'))),
                         str(Decimal('-0')))
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(Decimal(x))) # roundtrip 
Example 23
Project: gcblue   Author: gcblue   File: test_decimal.py    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
def test_from_float(self):

        class  MyDecimal(Decimal):
            pass

        r = MyDecimal.from_float(0.1)
        self.assertEqual(type(r), MyDecimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        bigint = 12345678901234567890123456789
        self.assertEqual(MyDecimal.from_float(bigint), MyDecimal(bigint))
        self.assertTrue(MyDecimal.from_float(float('nan')).is_qnan())
        self.assertTrue(MyDecimal.from_float(float('inf')).is_infinite())
        self.assertTrue(MyDecimal.from_float(float('-inf')).is_infinite())
        self.assertEqual(str(MyDecimal.from_float(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(MyDecimal.from_float(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(MyDecimal.from_float(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertRaises(TypeError, MyDecimal.from_float, 'abc')
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(MyDecimal.from_float(x))) # roundtrip 
Example 24
Project: p2pool-n   Author: donSchoe   File: p2p.py    License: GNU General Public License v3.0 6 votes vote down vote up
def _think(self):
        try:
            if len(self.conns) < self.desired_conns and len(self.attempts) < self.max_attempts and self.node.addr_store:
                (host, port), = self.node.get_good_peers(1)
                
                if self._host_to_ident(host) in self.attempts:
                    pass
                elif host in self.node.bans and self.node.bans[host] > time.time():
                    pass
                else:
                    #print 'Trying to connect to', host, port
                    reactor.connectTCP(host, port, self, timeout=5)
        except:
            log.err()
        
        return random.expovariate(1/1) 
Example 25
Project: POC-EXP   Author: ym2011   File: asn1.py    License: GNU General Public License v3.0 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o("".join([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 26
Project: msprime   Author: tskit-dev   File: algorithms.py    License: GNU General Public License v3.0 6 votes vote down vote up
def get_common_ancestor_waiting_time(self, t):
        """
        Returns the random waiting time until a common ancestor event
        occurs within this population.
        """
        ret = sys.float_info.max
        k = self.get_num_ancestors()
        if k > 1:
            u = random.expovariate(k * (k - 1))
            if self.growth_rate == 0:
                ret = self.start_size * u
            else:
                dt = t - self.start_time
                z = (
                    1
                    + self.growth_rate
                    * self.start_size
                    * math.exp(-self.growth_rate * dt)
                    * u
                )
                if z > 0:
                    ret = math.log(z) / self.growth_rate
        return ret 
Example 27
Project: CTFCrackTools-V2   Author: Acmesec   File: test_decimal.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_explicit_from_float(self):
        r = Decimal(0.1)
        self.assertEqual(type(r), Decimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        self.assertTrue(Decimal(float('nan')).is_qnan())
        self.assertTrue(Decimal(float('inf')).is_infinite())
        self.assertTrue(Decimal(float('-inf')).is_infinite())
        self.assertEqual(str(Decimal(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(Decimal(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(Decimal(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertEqual(str(Decimal(float('-0.0'))),
                         str(Decimal('-0')))
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(Decimal(x))) # roundtrip 
Example 28
Project: CTFCrackTools-V2   Author: Acmesec   File: test_decimal.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_from_float(self):

        class  MyDecimal(Decimal):
            pass

        r = MyDecimal.from_float(0.1)
        self.assertEqual(type(r), MyDecimal)
        self.assertEqual(str(r),
                '0.1000000000000000055511151231257827021181583404541015625')
        bigint = 12345678901234567890123456789
        self.assertEqual(MyDecimal.from_float(bigint), MyDecimal(bigint))
        self.assertTrue(MyDecimal.from_float(float('nan')).is_qnan())
        self.assertTrue(MyDecimal.from_float(float('inf')).is_infinite())
        self.assertTrue(MyDecimal.from_float(float('-inf')).is_infinite())
        self.assertEqual(str(MyDecimal.from_float(float('nan'))),
                         str(Decimal('NaN')))
        self.assertEqual(str(MyDecimal.from_float(float('inf'))),
                         str(Decimal('Infinity')))
        self.assertEqual(str(MyDecimal.from_float(float('-inf'))),
                         str(Decimal('-Infinity')))
        self.assertRaises(TypeError, MyDecimal.from_float, 'abc')
        for i in range(200):
            x = random.expovariate(0.01) * (random.random() * 2.0 - 1.0)
            self.assertEqual(x, float(MyDecimal.from_float(x))) # roundtrip 
Example 29
Project: kamene   Author: phaethon   File: asn1.py    License: GNU General Public License v2.0 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o(bytes([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
#            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
            return o([ x._fix(n+1) for x in [self.__class__(objlist=self.objlist)]*z])
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
############## 
Example 30
Project: arissploit   Author: entynetproject   File: asn1.py    License: GNU General Public License v3.0 6 votes vote down vote up
def _fix(self, n=0):
        o = random.choice(self.objlist)
        if issubclass(o, ASN1_INTEGER):
            return o(int(random.gauss(0,1000)))
        elif issubclass(o, ASN1_IPADDRESS):
            z = RandIP()._fix()
            return o(z)
        elif issubclass(o, ASN1_STRING):
            z = int(random.expovariate(0.05)+1)
            return o(bytes([random.choice(self.chars) for i in range(z)]))
        elif issubclass(o, ASN1_SEQUENCE) and (n < 10):
            z = int(random.expovariate(0.08)+1)
#            return o(map(lambda x:x._fix(n+1), [self.__class__(objlist=self.objlist)]*z))
            return o([ x._fix(n+1) for x in [self.__class__(objlist=self.objlist)]*z])
        return ASN1_INTEGER(int(random.gauss(0,1000)))


##############
#### ASN1 ####
##############