How to use variables method in play_selenium

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variables.py

Source:variables.py Github

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1class VariablesDict:2 """3 A VariablesDict is a sort of dictionary with special4 features, created to manage the variables of a monomial.5 In this case, we'll call keys variables and6 values exponents.7 Its main features are:8 - A VariablesDict is immutable9 - The default exponent is 0; therefore, variables with exponent 0 aren't stored10 - Variables aren't case sensitive11 - Variables must be letters from the latin alphabet and one-character long12 - Exponents must be positive integer13 """14 def __init__(self, variables=None, **kwargs):15 """16 Initialize the VariablesDict by giving it17 the pairs variable: exponent storing them18 in a dict (variables) or as keyword arguments:19 >>> VariablesDict({'x': 5, 'y': 3})20 {'x': 5, 'y': 3}21 >>> VariablesDict(x=5, y=3)22 {'x': 5, 'y': 3}23 NB: Variables are sorted24 >>> VariablesDict(k=2, b=3)25 {'b': 3, 'k': 2}26 As said above, variables aren't case sensitive, so27 they're always made lowercase28 >>> VariablesDict(X=2)29 {'x': 2}30 It also converts the exponent in integer if it's a whole number31 >>> VariablesDict(x=3.0)32 {'x': 3}33 It can raise an error if:34 - `variable` is not a string35 >>> VariablesDict({9: 9})36 Traceback (most recent call last):37 ...38 TypeError: variable's name must be a string39 - `variable` is too long40 >>> VariablesDict(xy=3)41 Traceback (most recent call last):42 ...43 ValueError: variable's name length must be one44 - `variable` is not alphabetical45 >>> VariablesDict(x2=9)46 Traceback (most recent call last):47 ...48 ValueError: variable's name must be alphabetical49 - `exponent` is not an integer (or a whole number)50 >>> VariablesDict(k=[])51 Traceback (most recent call last):52 ...53 TypeError: variable's exponent must be int54 >>> VariablesDict(z=7.13)55 Traceback (most recent call last):56 ...57 TypeError: variable's exponent must be a whole number58 - `exponent` is negative59 >>> VariablesDict(f=-3)60 Traceback (most recent call last):61 ...62 ValueError: variable's exponent must be positive63 It also checks if the dict is empty:64 >>> VariablesDict(a=2, b=8, c=3).is_empty65 False66 >>> VariablesDict(x=0).is_empty67 True68 :raise: TypeError, ValueError69 """70 # look for variables71 if not variables:72 variables = kwargs73 items = {}74 for variable, exponent in variables.items():75 # Check variable's name76 if not isinstance(variable, str):77 raise TypeError("variable's name must be a string")78 elif not variable.isalpha():79 raise ValueError("variable's name must be alphabetical")80 elif len(variable) > 1:81 raise ValueError("variable's name length must be one")82 # Check variable's exponent83 if not isinstance(exponent, (int, float)):84 raise TypeError("variable's exponent must be int")85 elif isinstance(exponent, float) and not exponent.is_integer():86 raise TypeError("variable's exponent must be a whole number")87 elif exponent < 0:88 raise ValueError("variable's exponent must be positive")89 # Add it to the items90 if not exponent == 0:91 items[variable.lower()] = int(exponent)92 # Set items93 self.__items = tuple(sorted((v, e) for v, e in items.items()))94 # Check if it's empty95 self.is_empty = not bool(len(self))96 ### Items97 def __getitem__(self, variable):98 """99 Returns the exponent for the given variable100 >>> VariablesDict(a=2)['a']101 2102 It returns 0 if that variable does not exists103 >>> VariablesDict(a=2)['b']104 0105 It can return an error if:106 - `variable` is not a string107 >>> VariablesDict({9: 9})108 Traceback (most recent call last):109 ...110 TypeError: variable's name must be a string111 - `variable` is too long112 >>> VariablesDict(xy=3)113 Traceback (most recent call last):114 ...115 ValueError: variable's name length must be one116 - `variable` is not alphabetical117 >>> VariablesDict(x2=9)118 Traceback (most recent call last):119 ...120 ValueError: variable's name must be alphabetical121 :type variable: string122 :rtype: int123 """124 # Check if kye is valid125 if not isinstance(variable, str):126 raise TypeError("variable's name must be a string")127 elif not variable.isalpha():128 raise ValueError("variable's name must be alphabetical")129 elif len(variable) > 1:130 raise ValueError("variable's name length must be one")131 variable = variable.lower()132 # Look if there is that variable in the dict133 for item in self.__items:134 if item[0] == variable:135 return item[1]136 # Otherwise return 0137 return 0138 def exponents(self):139 """140 Returns the exponents of the VariablesDict141 as a tuple142 >>> VariablesDict(a=2, b=3).exponents()143 (2, 3)144 :rtype: tuple145 """146 return tuple(item[1] for item in self.__items)147 def items(self):148 """149 Returns the pairs variable-exponent of the150 VariablesDict as a tuple of tuples151 >>> VariablesDict(a=2, b=3).items()152 (('a', 2), ('b', 3))153 :rtype: tuple154 """155 return self.__items156 def __iter__(self):157 """158 Returns the iterator of the VariablesDict159 >>> iter(VariablesDict(a=2, b=3))160 {'a': 2, 'b': 3}161 For more informations see :func:`VariablesDict.__next__()`.162 :rtype: VariablesDict163 """164 self.itern = 0165 return self166 def __next__(self):167 """168 Gets the next variable in the VariablesDict169 >>> i = iter(VariablesDict(a=2, b=3))170 >>> next(i)171 'a'172 >>> next(i)173 'b'174 >>> next(i)175 Traceback (most recent call last):176 ...177 StopIteration178 :rtype: str179 :raise: StopIteration180 """181 try:182 variable = self.__items[self.itern][0]183 self.itern += 1184 return variable185 except IndexError:186 raise StopIteration187 def __len__(self):188 """189 Returns the dict's len190 >>> len(VariablesDict(a=2, b=3))191 2192 :rtype: int193 """194 return len(self.__items)195 # Representation196 def __str__(self):197 """198 Returns the VariablesDict as a string, like a normal dict199 >>> str(VariablesDict(x=2, y=3))200 "{'x': 2, 'y': 3}"201 :rtype: str202 """203 return str({item[0]: item[1] for item in self.__items})204 def __repr__(self):205 """206 Returns the VariablesDict as a string207 >>> repr(VariablesDict(y=5))208 "{'y': 5}"209 For more informations see :func:`VariablesDict.__str__()`.210 :rtype: str211 """212 return self.__str__()213 # Operations214 def __add__(self, other):215 """216 Sums two VariablesDict, returning a VariablesDict217 whose exponents are the sum of the starting VariablesDicts' ones218 >>> VariablesDict(x=5, y=3) + VariablesDict(y=5)219 {'x': 5, 'y': 8}220 It raises a TypeError if `other` is not a VariablesDict221 >>> VariablesDict(x=1) + 3222 Traceback (most recent call last):223 ...224 TypeError: unsupported operand type(s) for +: 'VariablesDict' and 'int'225 :type other: VariablesDict226 :rtype: VariablesDict227 :raise: TypeError228 """229 # check if other is a VariablesDict230 if not isinstance(other, VariablesDict):231 raise TypeError(f"unsupported operand type(s) for +: 'VariablesDict' and '{other.__class__.__name__}'")232 result = {}233 # sum the variables' exponents234 for variable in set(self) | set(other):235 result[variable] = self[variable] + other[variable]236 return VariablesDict(result)237 def __sub__(self, other):238 """239 Return a VariablesDict whose values are the difference240 between the starting VariablesDicts' ones241 >>> VariablesDict(x=5, y=3) - VariablesDict(x=1, y=2)242 {'x': 4, 'y': 1}243 If any exponent becomes negative, a ValueError244 will be raised instead:245 >>> VariablesDict(c=2) - VariablesDict(c=3)246 Traceback (most recent call last):247 ...248 ValueError: variable's exponent must be positive249 It raises a TypeError if `other` is not a VariablesDict250 >>> VariablesDict(x=1) - 3251 Traceback (most recent call last):252 ...253 TypeError: unsupported operand type(s) for -: 'VariablesDict' and 'int'254 :type other: VariablesDict255 :rtype: VariablesDict256 :raise: ValueError, TypeError257 """258 if not isinstance(other, VariablesDict):259 raise TypeError(f"unsupported operand type(s) for -: 'VariablesDict' and '{other.__class__.__name__}'")260 result = {}261 # compute difference262 for variable in set(self) | set(other):263 result[variable] = self[variable] - other[variable]264 return VariablesDict(result)265 def __mul__ (self, other):266 """267 Returns a VariablesDict whose exponents are268 this one's, multiplied by a given (integer) number269 >>> VariablesDict(a=2, b= 5) * 3270 {'a': 6, 'b': 15}271 If the number is negative, a ValueError is272 raised273 >>> VariablesDict() * (-15)274 Traceback (most recent call last):275 ...276 ValueError: can't multiply a VariablesDict by a negative number277 It raises a TypeError if `other` is not an integer278 >>> VariablesDict(x=1) * '3'279 Traceback (most recent call last):280 ...281 TypeError: unsupported operand type(s) for *: 'VariablesDict' and 'str'282 :type other: int283 :rtype: VariablesDict284 :raise: TypeError, ValueError285 """286 # check other's type287 if not isinstance(other, int):288 raise TypeError(f"unsupported operand type(s) for *: 'VariablesDict' and '{other.__class__.__name__}'")289 elif other < 0:290 raise ValueError("can't multiply a VariablesDict by a negative number")291 variables = {}292 # multiply exponents293 for variable in self:294 variables[variable] = self[variable] * other295 return VariablesDict(variables)296 def __truediv__ (self, other):297 """298 Returns a VariablesDict whose values are299 this one's divided by a given (integer) number300 >>> VariablesDict(a=4, b=2) / 2301 {'a': 2, 'b': 1}302 If the VariableDict is not divisible303 by the given number, it will raise a ValueError304 >>> VariablesDict(x=7) / 3305 Traceback (most recent call last):306 ...307 ValueError: can't divide this VariablesDict by 3308 To see if a VariablesDict is divisible by a number,309 you can use modulus operator (see more at :func:`VariablesDict.__mod__()`):310 It raises a TypeError if `other` is not an integer311 >>> VariablesDict(x=1) / '3'312 Traceback (most recent call last):313 ...314 TypeError: unsupported operand type(s) for /: 'VariablesDict' and 'str'315 :type other: int316 :rtype: VariablesDict317 :raises: ValueError, TypeError318 """319 if not isinstance(other, int):320 raise TypeError(f"unsupported operand type(s) for /: 'VariablesDict' and '{other.__class__.__name__}'")321 if not self % other:322 raise ValueError(f"can't divide this VariablesDict by {other}")323 return VariablesDict(dict(map(lambda k: (k, self[k] / other), self)))324 def __mod__ (self, other):325 """326 Checks if the VariablesDict can be divided by a number327 (True => can be divided by `other`).328 >>> VariablesDict(a=2, b=4) % 2329 True330 >>> VariablesDict(a=2, b=4) % 3331 False332 It raises ValueError if `other` isn't a positive integer333 >>> VariablesDict(k=2) % (-7)334 Traceback (most recent call last):335 ...336 ValueError: can't use modulus with VariablesDict and negative numbers337 It raises a TypeError if `other` is not an integer338 >>> VariablesDict(x=1) % '3'339 Traceback (most recent call last):340 ...341 TypeError: unsupported operand type(s) for %: 'VariablesDict' and 'str'342 :type other: int343 :rtype: bool344 :raise: TypeError, ValueError345 """346 if not isinstance(other, int):347 raise TypeError(f"unsupported operand type(s) for %: 'VariablesDict' and '{other.__class__.__name__}'")348 elif other < 0:349 raise ValueError("can't use modulus with VariablesDict and negative numbers")350 return all(l % other == 0 for l in self.exponents())351 def __eq__(self, other):352 """353 Checks if two variablesDict are equivalent354 >>> VariablesDict(a=2, b=4) == VariablesDict(b=4, a=2)355 True356 If `other` is not a VariablesDict it always returns False357 >>> VariablesDict(a=2, b=4) == 3358 False359 :type other: VariablesDict360 :rtype: bool361 """362 if not isinstance(other, VariablesDict):363 return False364 return set(self.items()) == set(other.items())365 def __hash__(self):366 """367 Returns the hash of the VariablesDict by hashing368 the result of :func:`VariablesDict.items()`.369 :rtype: int370 """371 return hash(self.__items)372 def __bool__(self):373 """374 Returns the opposite of `is_empty`.375 >>> VariablesDict().is_empty376 True377 >>> bool(VariablesDict())378 False379 :rtype: int380 """...

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variables_helper_tf1_test.py

Source:variables_helper_tf1_test.py Github

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...23from object_detection.utils import tf_version24from object_detection.utils import variables_helper25@unittest.skipIf(tf_version.is_tf2(), 'Skipping TF1.X only test.')26class FilterVariablesTest(test_case.TestCase):27 def _create_variables(self):28 return [tf.Variable(1.0, name='FeatureExtractor/InceptionV3/weights'),29 tf.Variable(1.0, name='FeatureExtractor/InceptionV3/biases'),30 tf.Variable(1.0, name='StackProposalGenerator/weights'),31 tf.Variable(1.0, name='StackProposalGenerator/biases')]32 def test_return_all_variables_when_empty_regex(self):33 variables = self._create_variables()34 out_variables = variables_helper.filter_variables(variables, [''])35 self.assertCountEqual(out_variables, variables)36 def test_return_variables_which_do_not_match_single_regex(self):37 variables = self._create_variables()38 out_variables = variables_helper.filter_variables(variables,39 ['FeatureExtractor/.*'])40 self.assertCountEqual(out_variables, variables[2:])41 def test_return_variables_which_do_not_match_any_regex_in_list(self):42 variables = self._create_variables()43 out_variables = variables_helper.filter_variables(variables, [44 'FeatureExtractor.*biases', 'StackProposalGenerator.*biases'45 ])46 self.assertCountEqual(out_variables, [variables[0], variables[2]])47 def test_return_variables_matching_empty_regex_list(self):48 variables = self._create_variables()49 out_variables = variables_helper.filter_variables(50 variables, [''], invert=True)51 self.assertCountEqual(out_variables, [])52 def test_return_variables_matching_some_regex_in_list(self):53 variables = self._create_variables()54 out_variables = variables_helper.filter_variables(55 variables,56 ['FeatureExtractor.*biases', 'StackProposalGenerator.*biases'],57 invert=True)58 self.assertCountEqual(out_variables, [variables[1], variables[3]])59@unittest.skipIf(tf_version.is_tf2(), 'Skipping TF1.X only test.')60class MultiplyGradientsMatchingRegexTest(tf.test.TestCase):61 def _create_grads_and_vars(self):62 return [(tf.constant(1.0),63 tf.Variable(1.0, name='FeatureExtractor/InceptionV3/weights')),64 (tf.constant(2.0),65 tf.Variable(2.0, name='FeatureExtractor/InceptionV3/biases')),66 (tf.constant(3.0),67 tf.Variable(3.0, name='StackProposalGenerator/weights')),68 (tf.constant(4.0),69 tf.Variable(4.0, name='StackProposalGenerator/biases'))]70 def test_multiply_all_feature_extractor_variables(self):71 grads_and_vars = self._create_grads_and_vars()72 regex_list = ['FeatureExtractor/.*']73 multiplier = 0.074 grads_and_vars = variables_helper.multiply_gradients_matching_regex(75 grads_and_vars, regex_list, multiplier)76 exp_output = [(0.0, 1.0), (0.0, 2.0), (3.0, 3.0), (4.0, 4.0)]77 init_op = tf.global_variables_initializer()78 with self.test_session() as sess:79 sess.run(init_op)80 output = sess.run(grads_and_vars)81 self.assertCountEqual(output, exp_output)82 def test_multiply_all_bias_variables(self):83 grads_and_vars = self._create_grads_and_vars()84 regex_list = ['.*/biases']85 multiplier = 0.086 grads_and_vars = variables_helper.multiply_gradients_matching_regex(87 grads_and_vars, regex_list, multiplier)88 exp_output = [(1.0, 1.0), (0.0, 2.0), (3.0, 3.0), (0.0, 4.0)]89 init_op = tf.global_variables_initializer()90 with self.test_session() as sess:91 sess.run(init_op)92 output = sess.run(grads_and_vars)93 self.assertCountEqual(output, exp_output)94@unittest.skipIf(tf_version.is_tf2(), 'Skipping TF1.X only test.')95class FreezeGradientsMatchingRegexTest(test_case.TestCase):96 def _create_grads_and_vars(self):97 return [(tf.constant(1.0),98 tf.Variable(1.0, name='FeatureExtractor/InceptionV3/weights')),99 (tf.constant(2.0),100 tf.Variable(2.0, name='FeatureExtractor/InceptionV3/biases')),101 (tf.constant(3.0),102 tf.Variable(3.0, name='StackProposalGenerator/weights')),103 (tf.constant(4.0),104 tf.Variable(4.0, name='StackProposalGenerator/biases'))]105 def test_freeze_all_feature_extractor_variables(self):106 grads_and_vars = self._create_grads_and_vars()107 regex_list = ['FeatureExtractor/.*']108 grads_and_vars = variables_helper.freeze_gradients_matching_regex(109 grads_and_vars, regex_list)110 exp_output = [(3.0, 3.0), (4.0, 4.0)]111 init_op = tf.global_variables_initializer()112 with self.test_session() as sess:113 sess.run(init_op)114 output = sess.run(grads_and_vars)115 self.assertCountEqual(output, exp_output)116@unittest.skipIf(tf_version.is_tf2(), 'Skipping TF1.X only test.')117class GetVariablesAvailableInCheckpointTest(test_case.TestCase):118 def test_return_all_variables_from_checkpoint(self):119 with tf.Graph().as_default():...

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test_variable_command.py

Source:test_variable_command.py Github

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...31 def setUpClass(cls):32 cls.dagbag = models.DagBag(include_examples=True)33 cls.parser = cli_parser.get_parser()34 def setUp(self):35 clear_db_variables()36 def tearDown(self):37 clear_db_variables()38 def test_variables_set(self):39 """Test variable_set command"""40 variable_command.variables_set(self.parser.parse_args(['variables', 'set', 'foo', 'bar']))41 self.assertIsNotNone(Variable.get("foo"))42 self.assertRaises(KeyError, Variable.get, "foo1")43 def test_variables_get(self):44 Variable.set('foo', {'foo': 'bar'}, serialize_json=True)45 with redirect_stdout(io.StringIO()) as stdout:46 variable_command.variables_get(self.parser.parse_args(['variables', 'get', 'foo']))47 self.assertEqual('{\n "foo": "bar"\n}\n', stdout.getvalue())48 def test_get_variable_default_value(self):49 with redirect_stdout(io.StringIO()) as stdout:50 variable_command.variables_get(51 self.parser.parse_args(['variables', 'get', 'baz', '--default', 'bar'])...

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test_term_variables.py

Source:test_term_variables.py Github

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1import py2from prolog.interpreter.test.tool import assert_true, assert_false, prolog_raises3from prolog.interpreter.test.tool import get_engine4def test_basic_term_variables():5 assert_true("term_variables(X, [X]).")6 assert_false("term_variables(X, []).")7 assert_true("term_variables(f(X, Y), [X, Y]).")8 assert_true("term_variables(a, []).")9 assert_true("term_variables(123, []).")10 assert_true("term_variables(f(Z, g(X), Y), [Z, X, Y]).")11 assert_false("term_variables(a, a).")12def test_more_advanced_term_variables():13 assert_true("term_variables([Y,Y,X,X],[Y,X]).")14 assert_true("term_variables([X, Y, a, f(g(A), X)], [X, Y, A]).")15 assert_true("term_variables((A :- B, C, A), [A,B,C]).")16 assert_true("term_variables(f(X, f(X)), [X]).")17 assert_true("X = 1, term_variables(f(X, Y), L), L == [Y], Y = 2.")18 assert_true("X = Y, term_variables(f(X, Y), L), L == [Y], Y = 2.")19def test_var_binding():20 assert_true("X = a, term_variables(X, []).")21 assert_true("term_variables(X, L), X = a, L = [a].")22 assert_true("X = f(A,B), term_variables(X, [A,B]).")23def test_term_variables_huge_list():24 py.test.skip("")25 e = get_engine("""26 make_triple_list(0, _, []).27 make_triple_list(X, Y, [Y, Y, Y | T]) :-28 X > 0, X1 is X - 1,29 make_triple_list(X1, Y, T).30 """)...

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