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How to use is_number method in rester
Best Python code snippet using rester_python
test_validation.py
Source:test_validation.py 
...5from ..calculator import Calculator6def test_validation_is_number_01():7 calculator = Calculator()8 rpn_input = "1"9 assert calculator.is_number(rpn_input)10def test_validation_is_number_02():11 calculator = Calculator()12 rpn_input = "1.0"13 assert calculator.is_number(rpn_input)14def test_validation_is_number_03_00():15 calculator = Calculator()16 rpn_input = "0"17 assert calculator.is_number(rpn_input)18def test_validation_is_number_03_01():19 calculator = Calculator()20 rpn_input = "10"21 assert calculator.is_number(rpn_input)22def test_validation_is_number_04():23 calculator = Calculator()24 rpn_input = "01"25 assert calculator.is_number(rpn_input) is False26def test_validation_is_number_05():27 calculator = Calculator()28 rpn_input = "01."29 assert calculator.is_number(rpn_input) is False30def test_validation_is_number_06():31 calculator = Calculator()32 rpn_input = "."33 assert calculator.is_number(rpn_input) is False34def test_validation_is_number_07():35 calculator = Calculator()36 rpn_input = "1.1343243240"37 assert calculator.is_number(rpn_input)38def test_validation_is_number_08():39 calculator = Calculator()40 rpn_input = "1.134324324.0"41 assert calculator.is_number(rpn_input) is False42def test_validation_is_number_09():43 calculator = Calculator()44 rpn_input = "1.134324324.0."45 assert calculator.is_number(rpn_input) is False46def test_validation_is_number_10():47 calculator = Calculator()48 rpn_input = "0x"49 assert calculator.is_number(rpn_input) is False50def test_validation_is_number_11():51 calculator = Calculator()52 rpn_input = "0x0"53 assert calculator.is_number(rpn_input)54def test_validation_is_number_12():55 calculator = Calculator()56 rpn_input = "0xa"57 assert calculator.is_number(rpn_input)58def test_validation_is_number_13():59 calculator = Calculator()60 rpn_input = "0xfaa"61 assert calculator.is_number(rpn_input)62def test_validation_is_number_14():63 calculator = Calculator()64 rpn_input = "0xfr"65 assert calculator.is_number(rpn_input) is False66def test_validation_is_number_15():67 calculator = Calculator()68 rpn_input = "x"69 assert calculator.is_number(rpn_input) is False70def test_validation_is_number_16():71 calculator = Calculator()72 rpn_input = "0b0"73 assert calculator.is_number(rpn_input)74def test_validation_is_number_17():75 calculator = Calculator()76 rpn_input = "1"77 assert calculator.is_number(rpn_input)78def test_validation_is_number_18():79 calculator = Calculator()80 rpn_input = "0b01"81 assert calculator.is_number(rpn_input)82def test_validation_is_number_19():83 calculator = Calculator()84 rpn_input = "10"85 assert calculator.is_number(rpn_input)86def test_validation_is_number_20():87 calculator = Calculator()88 rpn_input = "0b1010111"89 assert calculator.is_number(rpn_input)90def test_validation_is_number_21():91 calculator = Calculator()92 rpn_input = "2b"93 assert calculator.is_number(rpn_input) is False94def test_validation_is_number_22():95 calculator = Calculator()96 rpn_input = "224141w412"97 assert calculator.is_number(rpn_input) is False98def test_validation_is_number_23():99 calculator = Calculator()100 rpn_input = "224141wgaasfas412"101 assert calculator.is_number(rpn_input) is False102def test_validation_is_number_24():103 calculator = Calculator()104 rpn_input = "0000000000000000000000000002"105 assert calculator.is_number(rpn_input) is False106def test_validation_is_number_25():107 calculator = Calculator()108 rpn_input = "0o0"109 assert calculator.is_number(rpn_input)110def test_validation_is_number_26():111 calculator = Calculator()112 rpn_input = "0o01"113 assert calculator.is_number(rpn_input)114def test_validation_is_number_27():115 calculator = Calculator()116 rpn_input = "0o012312312"117 assert calculator.is_number(rpn_input)118def test_validation_is_number_28():119 calculator = Calculator()120 rpn_input = "0o12412412"121 assert calculator.is_number(rpn_input)122def test_validation_is_number_29():123 calculator = Calculator()124 rpn_input = "0o8"125 assert calculator.is_number(rpn_input) is False126def test_validation_is_number_30():127 calculator = Calculator()128 rpn_input = "0oa"129 assert calculator.is_number(rpn_input) is False130def test_validation_is_number_31():131 calculator = Calculator()132 rpn_input = "0o"133 assert calculator.is_number(rpn_input) is False134def test_validation_is_number_32():135 calculator = Calculator()136 rpn_input = "0o153165137"137 assert calculator.is_number(rpn_input)138def test_validation_is_number_33():139 calculator = Calculator()140 rpn_input = "a"141 assert calculator.is_number(rpn_input) is False142def test_validation_is_number_34():143 calculator = Calculator()144 rpn_input = "aadasdaewe"145 assert calculator.is_number(rpn_input) is False146def test_validation_is_operator_00():147 calculator = Calculator()148 rpn_input = "+"149 assert calculator.is_operator(rpn_input)150def test_validation_is_constant_00():151 calculator = Calculator()152 rpn_input = "pi"153 assert calculator.is_constant(rpn_input)154def test_validation_is_constant_01():155 calculator = Calculator()156 rpn_input = "e"157 assert calculator.is_constant(rpn_input)158def test_validation_is_constant_02():159 calculator = Calculator()...
xx_0301_判断字符串是否为数字.py
Source:xx_0301_判断字符串是否为数字.py
1# -*- coding: utf-8 -*-2# __author__ = 'lenovo'3# 以ä¸å®ä¾éè¿å建èªå®ä¹å½æ° is_number() æ¹æ³æ¥å¤æå符串æ¯å¦ä¸ºæ°åï¼4# def is_number(s):5# try:6# float(s)7# return True8# except ValueError:9# pass10#11# try:12# import unicodedata13# unicodedata.numeric(s)14# return True15# except(TypeError, ValueError):16# pass17#18# return False19#20# # æµè¯å符串åæ°å21# print(is_number('foo')) # False22# print(is_number('1')) # True23# print(is_number('1.3')) # True24# print(is_number('-1.37')) # True25# print(is_number('1e3')) # True26#27# # æµè¯ Unicode28# # é¿æä¼¯è¯ 529# print(is_number('Ù¥')) # True30# # æ³°è¯ 231# print(is_number('à¹')) # True32# # ä¸ææ°å33# print(is_number('å')) # True34# # çæå·35# print(is_number('©')) # False36# æ们ä¹å¯ä»¥ä½¿ç¨å
åµ if è¯å¥æ¥å®ç°ï¼37# Python isdigit() æ¹æ³æ£æµå符串æ¯å¦åªç±æ°åç»æã38# Python isnumeric() æ¹æ³æ£æµå符串æ¯å¦åªç±æ°åç»æãè¿ç§æ¹æ³æ¯åªé对unicode对象ã39# æç¨ä»£ç å½åºç°å¤ä¸ªæ±åæ°åæ¶ä¼æ¥éï¼éè¿éåå符串解å³40# 对æ±å表示çæ°åä¹å¯å辨41# def is_number(s):42# try: # å¦æè½è¿è¡float(s)è¯å¥ï¼è¿åTrueï¼å符串sæ¯æµ®ç¹æ°ï¼43# float(s)44# return True45# except ValueError: # ValueError为Pythonçä¸ç§æ åå¼å¸¸ï¼è¡¨ç¤º"ä¼ å
¥æ æçåæ°"46# pass # å¦æå¼åäºValueErrorè¿ç§å¼å¸¸ï¼ä¸åä»»ä½äºæ
ï¼passï¼ä¸åä»»ä½äºæ
ï¼ä¸è¬ç¨åå ä½è¯å¥ï¼47# try:48# import unicodedata # å¤çASCiiç çå
49# for i in s:50# unicodedata.numeric(i) # æä¸ä¸ªè¡¨ç¤ºæ°åçå符串转æ¢ä¸ºæµ®ç¹æ°è¿åçå½æ°51# return True52# except (TypeError, ValueError):53# pass54# return False55# æµè¯å符串åæ°å56# print(is_number('foo')) # False57# print(is_number('1')) # True58# print(is_number('1.3')) # True59# print(is_number('-1.37')) # True60# print(is_number('1e3')) # True61#62# # æµè¯ Unicode63# # é¿æä¼¯è¯ 564# print(is_number('Ù¥')) # True65# # æ³°è¯ 266# print(is_number('à¹')) # True67# # ä¸ææ°å68# print(is_number('å')) # True69# # çæå·70# print(is_number('©')) # False71# è¿ä¸æ¥æ©å±å°å
¨è§æ°å72def is_number(s):73 try:74 float(s)75 return True76 except ValueError:77 pass78 import unicodedata79 try:80 unicodedata.numeric(s)81 return True82 except (TypeError, ValueError):83 pass84 if len(s) < 2:85 return False86 try:87 d = 088 if s.startswith('-'):89 s = s[1:]90 for c in s:91 if c == 'ââ': # å
¨è§åå·92 return False93 if c =='.': # å
¨è§ç¹å·94 if d > 0:95 return False96 else:97 d = 198 continue99 return True100 except (TypeError, ValueError):101 pass102 return False103# æµè¯å符串åæ°å104print(f'{is_number("foo")}')105print(f'{is_number("1") }')106print(f'{is_number("1.3") }')107print(f'{is_number("-1.37") }')108print(f'{is_number("1e3") }')109print(f'{is_number("2.345.6") }')110print(f'{is_number("-5.2-8") }')111print(f'{is_number("52-8") }')112print(f'{is_number("-.5") }')113print(f'{is_number("-5.") }')114print(f'{is_number(".5") }')115# æµè¯Unicode116# é¿æä¼¯è¯ 5117print(f'{is_number("Ù¥") }')118# æ³°è¯ 2119print(f'{is_number("à¹") }')120# ä¸ææ°å121print(f'{is_number("å") }')122print(f'{is_number("åå
") }')123# å
¨è§æ°å124print(f'{is_number("ï¼ï¼ï¼") }')125print(f'{is_number("-ï¼ï¼ï¼") }')126print(f'{is_number("ï¼ï¼ï¼ï¼") }')127print(f'{is_number("ï¼ï¼ï¼ï¼") }')128print(f'{is_number("ï¼ï¼ï¼ï¼") }')129print(f'{is_number("ï¼.ï¼ï¼") }')130print(f'{is_number("ï¼ï¼ï¼ï¼") }')131print(f'{is_number("ï¼ï¼ï¼") }')132print(f'{is_number("ï¼ï¼ï¼ï¼") }')133print(f'{is_number("ï¼ï¼23") }')134print(f'{is_number("ï¼ï¼ï¼ï¼ï¼") }')135# çæå·...
test_is_number.py
Source:test_is_number.py
...3class IsNumberTestCase(TestCase):4 def test_cannot_handle_non_string_objects(self):5 with self.assertRaises(TypeError) as raised:6 # noinspection PyTypeChecker7 is_number(None)8 self.assertEqual(str(raised.exception), 'Expected "str", received "NoneType"')9 with self.assertRaises(TypeError) as raised:10 # noinspection PyTypeChecker11 is_number(False)12 self.assertEqual(str(raised.exception), 'Expected "str", received "bool"')13 with self.assertRaises(TypeError) as raised:14 # noinspection PyTypeChecker15 is_number(0)16 self.assertEqual(str(raised.exception), 'Expected "str", received "int"')17 with self.assertRaises(TypeError) as raised:18 # noinspection PyTypeChecker19 is_number([])20 self.assertEqual(str(raised.exception), 'Expected "str", received "list"')21 with self.assertRaises(TypeError) as raised:22 # noinspection PyTypeChecker23 is_number({'a': 1})24 self.assertEqual(str(raised.exception), 'Expected "str", received "dict"')25 def test_returns_false_if_string_is_empty(self):26 self.assertFalse(is_number(''))27 self.assertFalse(is_number(' '))28 def test_returns_false_if_string_contains_number_but_has_spaces(self):29 self.assertFalse(is_number(' 1'))30 self.assertFalse(is_number('99 '))31 self.assertFalse(is_number(' 1234 '))32 self.assertFalse(is_number(' +1234567890'))33 self.assertFalse(is_number(' 1.2 '))34 def test_returns_false_if_string_is_sign_only(self):35 self.assertFalse(is_number('+'))36 self.assertFalse(is_number('-'))37 def test_returns_false_if_contains_operations(self):38 self.assertFalse(is_number('1 + 1'))39 self.assertFalse(is_number('1+1'))40 self.assertFalse(is_number('1 - 1'))41 self.assertFalse(is_number('1-1'))42 def test_returns_true_for_unsigned_integers(self):43 self.assertTrue(is_number('1'))44 self.assertTrue(is_number('99'))45 self.assertTrue(is_number('1234567890'))46 def test_returns_true_for_signed_integers(self):47 self.assertTrue(is_number('+1'))48 self.assertTrue(is_number('+99'))49 self.assertTrue(is_number('+1234567890'))50 self.assertTrue(is_number('-1'))51 self.assertTrue(is_number('-99'))52 self.assertTrue(is_number('-1234567890'))53 def test_returns_true_for_unsigned_double(self):54 self.assertTrue(is_number('1.0'))55 self.assertTrue(is_number('.007'))56 self.assertTrue(is_number('1.000'))57 self.assertTrue(is_number('99.99'))58 self.assertTrue(is_number('1234567890.000123456'))59 def test_returns_true_for_signed_double(self):60 self.assertTrue(is_number('+1.0'))61 self.assertTrue(is_number('+.007'))62 self.assertTrue(is_number('+1.000'))63 self.assertTrue(is_number('+99.99'))64 self.assertTrue(is_number('+1234567890.000123456'))65 self.assertTrue(is_number('-1.0'))66 self.assertTrue(is_number('-.007'))67 self.assertTrue(is_number('-1.000'))68 self.assertTrue(is_number('-99.99'))69 self.assertTrue(is_number('-1234567890.000123456'))70 def test_double_cannot_contain_multiple_dots(self):71 self.assertFalse(is_number('+1..0'))72 self.assertFalse(is_number('+..007'))73 self.assertFalse(is_number('+1..000'))74 self.assertFalse(is_number('+99..99'))75 self.assertFalse(is_number('+1234567890..000123456'))76 self.assertFalse(is_number('-1..0'))77 self.assertFalse(is_number('-..007'))78 self.assertFalse(is_number('-1..000'))79 self.assertFalse(is_number('-99..99'))80 self.assertFalse(is_number('-1234567890..000123456'))81 def test_number_cannot_contain_multiple_sign(self):82 self.assertFalse(is_number('+-1'))83 self.assertFalse(is_number('++1'))84 self.assertFalse(is_number('--1'))85 self.assertFalse(is_number('+-1.1'))86 self.assertFalse(is_number('++1.1'))87 self.assertFalse(is_number('--1.1'))88 def test_returns_true_for_scientific_notation(self):89 self.assertTrue(is_number('1e3'))90 self.assertTrue(is_number('50e2'))...
bintree0.py
Source:bintree0.py
...78 else:79 raise ValueError("Unknown operator:", op)808182def is_number(x):83 return (isinstance(x, int) or isinstance(x, float) or84 isinstance(x, complex))858687def eval_sum(a, b):88 if is_number(a) and is_number(b):89 return a + b90 if is_number(a) and a == 0:91 return b92 if is_number(b) and b == 0:93 return a94 return make_sum(a, b)959697def eval_diff(a, b):98 if is_number(a) and is_number(b):99 return a - b100 if is_number(a) and a == 0:101 return -b102 if is_number(b) and b == 0:103 return a104 return make_diff(a, b)105106107def eval_prod(a, b):108 if is_number(a) and is_number(b):109 return a * b110 if is_number(a) and a == 0 or is_number(b) and b == 0:111 return 0112 if is_number(a) and a == 1:113 return b114 if is_number(b) and b == 1:115 return a116 return make_prod(a, b)117118119def eval_div(a, b):120 if is_number(a) and is_number(b):121 return a / b122 if is_number(a) and a == 0:123 return 0124 if is_number(b) and b == 0:125 raise ZeroDivisionError126 if is_number(b) and b == 1:127 return a128 return make_div(a, b)129 130 131if __name__ == '__main__':132## t1 = btree(2, btree(4, [], []), btree(8, [], []))133## print(t1)134## set_leftch(leftch(t1), btree(5, [], []))135## print(t1)136137 e1 = make_prod(make_sum(2, 3), make_diff(4, 5))138 e2 = make_prod(make_diff(make_prod(2, 'a'), 3), make_diff(4, 5))139 e3 = make_div(make_sum(make_prod(2, 7), make_div(0, 'b')), make_div('a', 1))140
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