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@@ -1,458 +1,475 b'' | |||
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1 | 1 | # encoding: utf-8 |
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2 | 2 | """Tests for code execution (%run and related), which is particularly tricky. |
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3 | 3 | |
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4 | 4 | Because of how %run manages namespaces, and the fact that we are trying here to |
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5 | 5 | verify subtle object deletion and reference counting issues, the %run tests |
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6 | 6 | will be kept in this separate file. This makes it easier to aggregate in one |
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7 | 7 | place the tricks needed to handle it; most other magics are much easier to test |
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8 | 8 | and we do so in a common test_magic file. |
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9 | 9 | """ |
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10 | 10 | from __future__ import absolute_import |
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11 | 11 | |
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12 | 12 | #----------------------------------------------------------------------------- |
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13 | 13 | # Imports |
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14 | 14 | #----------------------------------------------------------------------------- |
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15 | 15 | |
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16 | 16 | import functools |
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17 | 17 | import os |
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18 | 18 | from os.path import join as pjoin |
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19 | 19 | import random |
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20 | 20 | import sys |
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21 | 21 | import tempfile |
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22 | 22 | import textwrap |
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23 | 23 | import unittest |
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24 | 24 | |
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25 | 25 | import nose.tools as nt |
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26 | 26 | from nose import SkipTest |
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27 | 27 | |
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28 | 28 | from IPython.testing import decorators as dec |
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29 | 29 | from IPython.testing import tools as tt |
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30 | 30 | from IPython.utils import py3compat |
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31 | 31 | from IPython.utils.tempdir import TemporaryDirectory |
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32 | 32 | from IPython.core import debugger |
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33 | 33 | |
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34 | 34 | #----------------------------------------------------------------------------- |
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35 | 35 | # Test functions begin |
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36 | 36 | #----------------------------------------------------------------------------- |
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37 | 37 | |
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38 | 38 | def doctest_refbug(): |
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39 | 39 | """Very nasty problem with references held by multiple runs of a script. |
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40 | 40 | See: https://github.com/ipython/ipython/issues/141 |
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41 | 41 | |
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42 | 42 | In [1]: _ip.clear_main_mod_cache() |
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43 | 43 | # random |
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44 | 44 | |
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45 | 45 | In [2]: %run refbug |
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46 | 46 | |
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47 | 47 | In [3]: call_f() |
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48 | 48 | lowercased: hello |
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49 | 49 | |
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50 | 50 | In [4]: %run refbug |
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51 | 51 | |
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52 | 52 | In [5]: call_f() |
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53 | 53 | lowercased: hello |
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54 | 54 | lowercased: hello |
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55 | 55 | """ |
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56 | 56 | |
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57 | 57 | |
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58 | 58 | def doctest_run_builtins(): |
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59 | 59 | r"""Check that %run doesn't damage __builtins__. |
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60 | 60 | |
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61 | 61 | In [1]: import tempfile |
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62 | 62 | |
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63 | 63 | In [2]: bid1 = id(__builtins__) |
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64 | 64 | |
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65 | 65 | In [3]: fname = tempfile.mkstemp('.py')[1] |
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66 | 66 | |
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67 | 67 | In [3]: f = open(fname,'w') |
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68 | 68 | |
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69 | 69 | In [4]: dummy= f.write('pass\n') |
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70 | 70 | |
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71 | 71 | In [5]: f.flush() |
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72 | 72 | |
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73 | 73 | In [6]: t1 = type(__builtins__) |
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74 | 74 | |
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75 | 75 | In [7]: %run $fname |
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76 | 76 | |
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77 | 77 | In [7]: f.close() |
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78 | 78 | |
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79 | 79 | In [8]: bid2 = id(__builtins__) |
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80 | 80 | |
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81 | 81 | In [9]: t2 = type(__builtins__) |
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82 | 82 | |
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83 | 83 | In [10]: t1 == t2 |
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84 | 84 | Out[10]: True |
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85 | 85 | |
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86 | 86 | In [10]: bid1 == bid2 |
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87 | 87 | Out[10]: True |
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88 | 88 | |
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89 | 89 | In [12]: try: |
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90 | 90 | ....: os.unlink(fname) |
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91 | 91 | ....: except: |
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92 | 92 | ....: pass |
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93 | 93 | ....: |
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94 | 94 | """ |
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95 | 95 | |
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96 | 96 | |
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97 | 97 | def doctest_run_option_parser(): |
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98 | 98 | r"""Test option parser in %run. |
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99 | 99 | |
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100 | 100 | In [1]: %run print_argv.py |
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101 | 101 | [] |
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102 | 102 | |
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103 | 103 | In [2]: %run print_argv.py print*.py |
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104 | 104 | ['print_argv.py'] |
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105 | 105 | |
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106 | 106 | In [3]: %run -G print_argv.py print*.py |
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107 | 107 | ['print*.py'] |
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108 | 108 | |
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109 | 109 | """ |
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110 | 110 | |
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111 | 111 | |
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112 | 112 | @dec.skip_win32 |
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113 | 113 | def doctest_run_option_parser_for_posix(): |
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114 | 114 | r"""Test option parser in %run (Linux/OSX specific). |
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115 | 115 | |
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116 | 116 | You need double quote to escape glob in POSIX systems: |
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117 | 117 | |
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118 | 118 | In [1]: %run print_argv.py print\\*.py |
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119 | 119 | ['print*.py'] |
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120 | 120 | |
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121 | 121 | You can't use quote to escape glob in POSIX systems: |
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122 | 122 | |
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123 | 123 | In [2]: %run print_argv.py 'print*.py' |
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124 | 124 | ['print_argv.py'] |
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125 | 125 | |
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126 | 126 | """ |
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127 | 127 | |
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128 | 128 | |
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129 | 129 | @dec.skip_if_not_win32 |
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130 | 130 | def doctest_run_option_parser_for_windows(): |
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131 | 131 | r"""Test option parser in %run (Windows specific). |
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132 | 132 | |
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133 | 133 | In Windows, you can't escape ``*` `by backslash: |
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134 | 134 | |
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135 | 135 | In [1]: %run print_argv.py print\\*.py |
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136 | 136 | ['print\\*.py'] |
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137 | 137 | |
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138 | 138 | You can use quote to escape glob: |
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139 | 139 | |
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140 | 140 | In [2]: %run print_argv.py 'print*.py' |
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141 | 141 | ['print*.py'] |
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142 | 142 | |
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143 | 143 | """ |
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144 | 144 | |
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145 | 145 | |
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146 | 146 | @py3compat.doctest_refactor_print |
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147 | 147 | def doctest_reset_del(): |
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148 | 148 | """Test that resetting doesn't cause errors in __del__ methods. |
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149 | 149 | |
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150 | 150 | In [2]: class A(object): |
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151 | 151 | ...: def __del__(self): |
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152 | 152 | ...: print str("Hi") |
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153 | 153 | ...: |
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154 | 154 | |
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155 | 155 | In [3]: a = A() |
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156 | 156 | |
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157 | 157 | In [4]: get_ipython().reset() |
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158 | 158 | Hi |
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159 | 159 | |
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160 | 160 | In [5]: 1+1 |
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161 | 161 | Out[5]: 2 |
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162 | 162 | """ |
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163 | 163 | |
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164 | 164 | # For some tests, it will be handy to organize them in a class with a common |
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165 | 165 | # setup that makes a temp file |
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166 | 166 | |
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167 | 167 | class TestMagicRunPass(tt.TempFileMixin): |
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168 | 168 | |
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169 | 169 | def setup(self): |
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170 | 170 | """Make a valid python temp file.""" |
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171 | 171 | self.mktmp('pass\n') |
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172 | 172 | |
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173 | 173 | def run_tmpfile(self): |
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174 | 174 | _ip = get_ipython() |
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175 | 175 | # This fails on Windows if self.tmpfile.name has spaces or "~" in it. |
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176 | 176 | # See below and ticket https://bugs.launchpad.net/bugs/366353 |
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177 | 177 | _ip.magic('run %s' % self.fname) |
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178 | 178 | |
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179 | 179 | def run_tmpfile_p(self): |
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180 | 180 | _ip = get_ipython() |
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181 | 181 | # This fails on Windows if self.tmpfile.name has spaces or "~" in it. |
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182 | 182 | # See below and ticket https://bugs.launchpad.net/bugs/366353 |
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183 | 183 | _ip.magic('run -p %s' % self.fname) |
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184 | 184 | |
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185 | 185 | def test_builtins_id(self): |
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186 | 186 | """Check that %run doesn't damage __builtins__ """ |
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187 | 187 | _ip = get_ipython() |
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188 | 188 | # Test that the id of __builtins__ is not modified by %run |
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189 | 189 | bid1 = id(_ip.user_ns['__builtins__']) |
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190 | 190 | self.run_tmpfile() |
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191 | 191 | bid2 = id(_ip.user_ns['__builtins__']) |
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192 | 192 | nt.assert_equal(bid1, bid2) |
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193 | 193 | |
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194 | 194 | def test_builtins_type(self): |
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195 | 195 | """Check that the type of __builtins__ doesn't change with %run. |
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196 | 196 | |
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197 | 197 | However, the above could pass if __builtins__ was already modified to |
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198 | 198 | be a dict (it should be a module) by a previous use of %run. So we |
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199 | 199 | also check explicitly that it really is a module: |
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200 | 200 | """ |
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201 | 201 | _ip = get_ipython() |
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202 | 202 | self.run_tmpfile() |
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203 | 203 | nt.assert_equal(type(_ip.user_ns['__builtins__']),type(sys)) |
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204 | 204 | |
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205 | 205 | def test_prompts(self): |
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206 | 206 | """Test that prompts correctly generate after %run""" |
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207 | 207 | self.run_tmpfile() |
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208 | 208 | _ip = get_ipython() |
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209 | 209 | p2 = _ip.prompt_manager.render('in2').strip() |
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210 | 210 | nt.assert_equal(p2[:3], '...') |
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211 | 211 | |
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212 | 212 | def test_run_profile( self ): |
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213 | 213 | """Test that the option -p, which invokes the profiler, do not |
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214 | 214 | crash by invoking execfile""" |
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215 | 215 | _ip = get_ipython() |
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216 | 216 | self.run_tmpfile_p() |
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217 | 217 | |
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218 | 218 | |
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219 | 219 | class TestMagicRunSimple(tt.TempFileMixin): |
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220 | 220 | |
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221 | 221 | def test_simpledef(self): |
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222 | 222 | """Test that simple class definitions work.""" |
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223 | 223 | src = ("class foo: pass\n" |
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224 | 224 | "def f(): return foo()") |
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225 | 225 | self.mktmp(src) |
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226 | 226 | _ip.magic('run %s' % self.fname) |
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227 | 227 | _ip.run_cell('t = isinstance(f(), foo)') |
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228 | 228 | nt.assert_true(_ip.user_ns['t']) |
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229 | 229 | |
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230 | 230 | def test_obj_del(self): |
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231 | 231 | """Test that object's __del__ methods are called on exit.""" |
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232 | 232 | if sys.platform == 'win32': |
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233 | 233 | try: |
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234 | 234 | import win32api |
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235 | 235 | except ImportError: |
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236 | 236 | raise SkipTest("Test requires pywin32") |
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237 | 237 | src = ("class A(object):\n" |
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238 | 238 | " def __del__(self):\n" |
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239 | 239 | " print 'object A deleted'\n" |
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240 | 240 | "a = A()\n") |
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241 | 241 | self.mktmp(py3compat.doctest_refactor_print(src)) |
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242 | 242 | if dec.module_not_available('sqlite3'): |
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243 | 243 | err = 'WARNING: IPython History requires SQLite, your history will not be saved\n' |
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244 | 244 | else: |
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245 | 245 | err = None |
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246 | 246 | tt.ipexec_validate(self.fname, 'object A deleted', err) |
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247 | 247 | |
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248 | 248 | def test_aggressive_namespace_cleanup(self): |
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249 | 249 | """Test that namespace cleanup is not too aggressive GH-238 |
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250 | 250 | |
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251 | 251 | Returning from another run magic deletes the namespace""" |
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252 | 252 | # see ticket https://github.com/ipython/ipython/issues/238 |
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253 | 253 | class secondtmp(tt.TempFileMixin): pass |
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254 | 254 | empty = secondtmp() |
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255 | 255 | empty.mktmp('') |
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256 | 256 | # On Windows, the filename will have \users in it, so we need to use the |
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257 | 257 | # repr so that the \u becomes \\u. |
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258 | 258 | src = ("ip = get_ipython()\n" |
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259 | 259 | "for i in range(5):\n" |
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260 | 260 | " try:\n" |
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261 | 261 | " ip.magic(%r)\n" |
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262 | 262 | " except NameError as e:\n" |
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263 | 263 | " print(i)\n" |
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264 | 264 | " break\n" % ('run ' + empty.fname)) |
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265 | 265 | self.mktmp(src) |
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266 | 266 | _ip.magic('run %s' % self.fname) |
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267 | 267 | _ip.run_cell('ip == get_ipython()') |
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268 | 268 | nt.assert_equal(_ip.user_ns['i'], 4) |
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269 | 269 | |
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270 | 270 | def test_run_second(self): |
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271 | 271 | """Test that running a second file doesn't clobber the first, gh-3547 |
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272 | 272 | """ |
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273 | 273 | self.mktmp("avar = 1\n" |
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274 | 274 | "def afunc():\n" |
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275 | 275 | " return avar\n") |
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276 | 276 | |
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277 | 277 | empty = tt.TempFileMixin() |
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278 | 278 | empty.mktmp("") |
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279 | 279 | |
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280 | 280 | _ip.magic('run %s' % self.fname) |
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281 | 281 | _ip.magic('run %s' % empty.fname) |
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282 | 282 | nt.assert_equal(_ip.user_ns['afunc'](), 1) |
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283 | 283 | |
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284 | 284 | @dec.skip_win32 |
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285 | 285 | def test_tclass(self): |
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286 | 286 | mydir = os.path.dirname(__file__) |
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287 | 287 | tc = os.path.join(mydir, 'tclass') |
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288 | 288 | src = ("%%run '%s' C-first\n" |
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289 | 289 | "%%run '%s' C-second\n" |
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290 | 290 | "%%run '%s' C-third\n") % (tc, tc, tc) |
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291 | 291 | self.mktmp(src, '.ipy') |
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292 | 292 | out = """\ |
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293 | 293 | ARGV 1-: ['C-first'] |
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294 | 294 | ARGV 1-: ['C-second'] |
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295 | 295 | tclass.py: deleting object: C-first |
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296 | 296 | ARGV 1-: ['C-third'] |
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297 | 297 | tclass.py: deleting object: C-second |
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298 | 298 | tclass.py: deleting object: C-third |
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299 | 299 | """ |
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300 | 300 | if dec.module_not_available('sqlite3'): |
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301 | 301 | err = 'WARNING: IPython History requires SQLite, your history will not be saved\n' |
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302 | 302 | else: |
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303 | 303 | err = None |
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304 | 304 | tt.ipexec_validate(self.fname, out, err) |
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305 | 305 | |
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306 | 306 | def test_run_i_after_reset(self): |
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307 | 307 | """Check that %run -i still works after %reset (gh-693)""" |
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308 | 308 | src = "yy = zz\n" |
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309 | 309 | self.mktmp(src) |
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310 | 310 | _ip.run_cell("zz = 23") |
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311 | 311 | _ip.magic('run -i %s' % self.fname) |
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312 | 312 | nt.assert_equal(_ip.user_ns['yy'], 23) |
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313 | 313 | _ip.magic('reset -f') |
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314 | 314 | _ip.run_cell("zz = 23") |
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315 | 315 | _ip.magic('run -i %s' % self.fname) |
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316 | 316 | nt.assert_equal(_ip.user_ns['yy'], 23) |
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317 | 317 | |
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318 | 318 | def test_unicode(self): |
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319 | 319 | """Check that files in odd encodings are accepted.""" |
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320 | 320 | mydir = os.path.dirname(__file__) |
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321 | 321 | na = os.path.join(mydir, 'nonascii.py') |
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322 | 322 | _ip.magic('run "%s"' % na) |
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323 | 323 | nt.assert_equal(_ip.user_ns['u'], u'ΠΡβΠ€') |
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324 | 324 | |
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325 | 325 | def test_run_py_file_attribute(self): |
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326 | 326 | """Test handling of `__file__` attribute in `%run <file>.py`.""" |
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327 | 327 | src = "t = __file__\n" |
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328 | 328 | self.mktmp(src) |
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329 | 329 | _missing = object() |
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330 | 330 | file1 = _ip.user_ns.get('__file__', _missing) |
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331 | 331 | _ip.magic('run %s' % self.fname) |
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332 | 332 | file2 = _ip.user_ns.get('__file__', _missing) |
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333 | 333 | |
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334 | 334 | # Check that __file__ was equal to the filename in the script's |
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335 | 335 | # namespace. |
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336 | 336 | nt.assert_equal(_ip.user_ns['t'], self.fname) |
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337 | 337 | |
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338 | 338 | # Check that __file__ was not leaked back into user_ns. |
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339 | 339 | nt.assert_equal(file1, file2) |
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340 | 340 | |
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341 | 341 | def test_run_ipy_file_attribute(self): |
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342 | 342 | """Test handling of `__file__` attribute in `%run <file.ipy>`.""" |
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343 | 343 | src = "t = __file__\n" |
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344 | 344 | self.mktmp(src, ext='.ipy') |
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345 | 345 | _missing = object() |
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346 | 346 | file1 = _ip.user_ns.get('__file__', _missing) |
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347 | 347 | _ip.magic('run %s' % self.fname) |
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348 | 348 | file2 = _ip.user_ns.get('__file__', _missing) |
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349 | 349 | |
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350 | 350 | # Check that __file__ was equal to the filename in the script's |
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351 | 351 | # namespace. |
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352 | 352 | nt.assert_equal(_ip.user_ns['t'], self.fname) |
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353 | 353 | |
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354 | 354 | # Check that __file__ was not leaked back into user_ns. |
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355 | 355 | nt.assert_equal(file1, file2) |
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356 | 356 | |
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357 | 357 | def test_run_formatting(self): |
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358 | 358 | """ Test that %run -t -N<N> does not raise a TypeError for N > 1.""" |
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359 | 359 | src = "pass" |
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360 | 360 | self.mktmp(src) |
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361 | 361 | _ip.magic('run -t -N 1 %s' % self.fname) |
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362 | 362 | _ip.magic('run -t -N 10 %s' % self.fname) |
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363 | 363 | |
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364 | 364 | def test_ignore_sys_exit(self): |
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365 | 365 | """Test the -e option to ignore sys.exit()""" |
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366 | 366 | src = "import sys; sys.exit(1)" |
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367 | 367 | self.mktmp(src) |
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368 | 368 | with tt.AssertPrints('SystemExit'): |
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369 | 369 | _ip.magic('run %s' % self.fname) |
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370 | 370 | |
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371 | 371 | with tt.AssertNotPrints('SystemExit'): |
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372 | 372 | _ip.magic('run -e %s' % self.fname) |
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373 | ||
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374 | def test_run_nb(self): | |
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375 | """Test %run notebook.ipynb""" | |
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376 | from IPython.nbformat import current | |
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377 | nb = current.new_notebook( | |
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378 | worksheets=[ | |
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379 | current.new_worksheet(cells=[ | |
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380 | current.new_code_cell("answer=42") | |
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381 | ]) | |
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382 | ] | |
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383 | ) | |
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384 | src = current.writes(nb, 'json') | |
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385 | self.mktmp(src, ext='.ipynb') | |
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386 | ||
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387 | _ip.magic("run %s" % self.fname) | |
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388 | ||
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389 | nt.assert_equal(_ip.user_ns['answer'], 42) | |
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373 | 390 | |
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374 | 391 | |
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375 | 392 | |
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376 | 393 | class TestMagicRunWithPackage(unittest.TestCase): |
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377 | 394 | |
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378 | 395 | def writefile(self, name, content): |
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379 | 396 | path = os.path.join(self.tempdir.name, name) |
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380 | 397 | d = os.path.dirname(path) |
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381 | 398 | if not os.path.isdir(d): |
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382 | 399 | os.makedirs(d) |
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383 | 400 | with open(path, 'w') as f: |
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384 | 401 | f.write(textwrap.dedent(content)) |
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385 | 402 | |
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386 | 403 | def setUp(self): |
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387 | 404 | self.package = package = 'tmp{0}'.format(repr(random.random())[2:]) |
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388 | 405 | """Temporary valid python package name.""" |
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389 | 406 | |
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390 | 407 | self.value = int(random.random() * 10000) |
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391 | 408 | |
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392 | 409 | self.tempdir = TemporaryDirectory() |
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393 | 410 | self.__orig_cwd = py3compat.getcwd() |
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394 | 411 | sys.path.insert(0, self.tempdir.name) |
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395 | 412 | |
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396 | 413 | self.writefile(os.path.join(package, '__init__.py'), '') |
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397 | 414 | self.writefile(os.path.join(package, 'sub.py'), """ |
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398 | 415 | x = {0!r} |
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399 | 416 | """.format(self.value)) |
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400 | 417 | self.writefile(os.path.join(package, 'relative.py'), """ |
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401 | 418 | from .sub import x |
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402 | 419 | """) |
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403 | 420 | self.writefile(os.path.join(package, 'absolute.py'), """ |
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404 | 421 | from {0}.sub import x |
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405 | 422 | """.format(package)) |
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406 | 423 | |
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407 | 424 | def tearDown(self): |
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408 | 425 | os.chdir(self.__orig_cwd) |
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409 | 426 | sys.path[:] = [p for p in sys.path if p != self.tempdir.name] |
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410 | 427 | self.tempdir.cleanup() |
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411 | 428 | |
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412 | 429 | def check_run_submodule(self, submodule, opts=''): |
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413 | 430 | _ip.user_ns.pop('x', None) |
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414 | 431 | _ip.magic('run {2} -m {0}.{1}'.format(self.package, submodule, opts)) |
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415 | 432 | self.assertEqual(_ip.user_ns['x'], self.value, |
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416 | 433 | 'Variable `x` is not loaded from module `{0}`.' |
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417 | 434 | .format(submodule)) |
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418 | 435 | |
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419 | 436 | def test_run_submodule_with_absolute_import(self): |
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420 | 437 | self.check_run_submodule('absolute') |
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421 | 438 | |
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422 | 439 | def test_run_submodule_with_relative_import(self): |
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423 | 440 | """Run submodule that has a relative import statement (#2727).""" |
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424 | 441 | self.check_run_submodule('relative') |
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425 | 442 | |
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426 | 443 | def test_prun_submodule_with_absolute_import(self): |
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427 | 444 | self.check_run_submodule('absolute', '-p') |
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428 | 445 | |
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429 | 446 | def test_prun_submodule_with_relative_import(self): |
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430 | 447 | self.check_run_submodule('relative', '-p') |
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431 | 448 | |
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432 | 449 | def with_fake_debugger(func): |
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433 | 450 | @functools.wraps(func) |
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434 | 451 | def wrapper(*args, **kwds): |
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435 | 452 | with tt.monkeypatch(debugger.Pdb, 'run', staticmethod(eval)): |
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436 | 453 | return func(*args, **kwds) |
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437 | 454 | return wrapper |
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438 | 455 | |
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439 | 456 | @with_fake_debugger |
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440 | 457 | def test_debug_run_submodule_with_absolute_import(self): |
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441 | 458 | self.check_run_submodule('absolute', '-d') |
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442 | 459 | |
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443 | 460 | @with_fake_debugger |
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444 | 461 | def test_debug_run_submodule_with_relative_import(self): |
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445 | 462 | self.check_run_submodule('relative', '-d') |
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446 | 463 | |
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447 | 464 | def test_run__name__(): |
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448 | 465 | with TemporaryDirectory() as td: |
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449 | 466 | path = pjoin(td, 'foo.py') |
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450 | 467 | with open(path, 'w') as f: |
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451 | 468 | f.write("q = __name__") |
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452 | 469 | |
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453 | 470 | _ip.user_ns.pop('q', None) |
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454 | 471 | _ip.magic('run {}'.format(path)) |
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455 | 472 | nt.assert_equal(_ip.user_ns.pop('q'), '__main__') |
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456 | 473 | |
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457 | 474 | _ip.magic('run -n {}'.format(path)) |
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458 | 475 | nt.assert_equal(_ip.user_ns.pop('q'), 'foo') |
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