Best Python code snippet using slash
test_caching.py
Source:test_caching.py
1"""Tests the correct caching of parameters"""2import unittest3import os4import shutil5import tempfile6import logging7from livius.video.processing.job import Job8FORMAT = '[%(asctime)-15s] %(message)s'9logging.basicConfig(format=FORMAT)10logger = logging.getLogger(__name__)11logger.setLevel(logging.DEBUG)12class JDummy(Job):13 name = 'jdummy'14 attributes_to_serialize = ['some_parameter']15 output_to_cache = ['some_output']16 def __init__(self, *args, **kwargs):17 super(JDummy, self).__init__(*args, **kwargs)18 def run(self, *args, **kwargs):19 self.some_output = self.some_parameter20 pass21 def get_outputs(self):22 super(JDummy, self).get_outputs()23 return self.some_output24class JobCacheTest(unittest.TestCase):25 def setUp(self):26 self.temporary_folder = tempfile.mkdtemp()27 if not os.path.exists(self.temporary_folder):28 os.makedirs(self.temporary_folder)29 def tearDown(self):30 shutil.rmtree(self.temporary_folder)31 def get_job(self, **kwargs):32 return JDummy(json_prefix=self.temporary_folder, **kwargs)33 def test_cache_array_int(self):34 """Tests the ability to cache dictionaries containing strings"""35 some_parameter = [1, 1, 1, 1, 3]36 job = self.get_job(some_parameter=some_parameter)37 job.process()38 self.assertTrue(job.is_up_to_date())39 out = job.get_outputs()40 self.assertEqual(some_parameter, out)41 job2 = self.get_job(some_parameter=some_parameter)42 self.assertTrue(job2.is_up_to_date())43 def test_cache_dict_string(self):44 """Tests the ability to cache dictionaries containing strings"""45 some_parameter = {"param1": "value1", "param2": "value2"}46 job = self.get_job(some_parameter=some_parameter)47 job.process()48 self.assertTrue(job.is_up_to_date())49 out = job.get_outputs()50 self.assertEqual(some_parameter, out)51 job2 = self.get_job(some_parameter=some_parameter)...
PlaceholderGenerator.py
Source:PlaceholderGenerator.py
1class PlaceholderGenerator:2 """A way to generate substitution placeholders for SQL requests3 If H is PlaceholderGenerator(positional, prefix, suffix) then H behaves4 as follows:5 str(H) returns the string positional6 H.some_parameter returns the string prefix + 'some_parameter' + suffix7 H('some_parameter') returns the string prefix + 'some_parameter' + suffix8 For example:9 H = PlaceholderGenerator('%s', '%(', ')s')10 f"SELECT {H}" # produces "SELECT %s"11 f"SELECT {H.username}" # produces "SELECT %s(username)s"12 colname = 'email'13 f"SELECT {H(colname)}" # produces "SELECT %s(email)s"14 """15 def __init__(self, positional, prefix, suffix):16 self._positional = positional17 self._prefix = prefix18 self._suffix = suffix19 def _enclose(self, a):20 return f'{self._prefix}{a}{self._suffix}'21 def __str__(self):22 return self._positional23 def __getattr__(self, a):24 if a and a[0] == '_':25 return self.__getattribute__(a)26 p = self._enclose(a)27 return p28 def __call__(self, a):...
for_chainer_issue_3.py
Source:for_chainer_issue_3.py
1from chainer import Link, Chain, Parameter, Variable2from chainer import links as L3import numpy as np4class CustomChain(Chain):5 def __init__(self, some_parameter):6 super().__init__()7 if isinstance(some_parameter, Link) or isinstance(some_parameter, Parameter):8 with self.init_scope():9 self.some_parameter = some_parameter10 else:11 self.add_persistent("some_parameter", some_parameter)12def print_children_params_persistent(c: Chain):13 print(c._children, c._params, c._persistent)14print_children_params_persistent(CustomChain(np.array([1, 2, 3])))15print_children_params_persistent(CustomChain(Variable(np.array([1, 2, 3]))))16print_children_params_persistent(CustomChain(L.Bias()))...
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