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1 | ============ |
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1 | ============ | |
2 | 7.x Series |
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2 | 7.x Series | |
3 | ============ |
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3 | ============ | |
4 |
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4 | |||
5 | .. _whatsnew760: |
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5 | .. _whatsnew760: | |
6 |
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6 | |||
7 | IPython 7.6.0 |
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7 | IPython 7.6.0 | |
8 | ============= |
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8 | ============= | |
9 |
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9 | |||
10 | IPython 7.6.0 contains a couple of bug fixes and number of small features |
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10 | IPython 7.6.0 contains a couple of bug fixes and number of small features | |
11 | additions as well as some compatibility with the current development version of |
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11 | additions as well as some compatibility with the current development version of | |
12 | Python 3.8. |
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12 | Python 3.8. | |
13 |
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13 | |||
14 | - Add a ``-l`` option to :magic:`psearch` to list the available search |
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14 | - Add a ``-l`` option to :magic:`psearch` to list the available search | |
15 | types. :ghpull:`11672` |
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15 | types. :ghpull:`11672` | |
16 | - Support ``PathLike`` for ``DisplayObject`` and ``Image``. :ghpull:`11764` |
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16 | - Support ``PathLike`` for ``DisplayObject`` and ``Image``. :ghpull:`11764` | |
17 | - Configurability of timeout in the test suite for slow platforms. |
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17 | - Configurability of timeout in the test suite for slow platforms. | |
18 | :ghpull:`11756` |
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18 | :ghpull:`11756` | |
19 | - Accept any casing for matplotlib backend. :ghpull:`121748` |
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19 | - Accept any casing for matplotlib backend. :ghpull:`121748` | |
20 | - Properly skip test that requires numpy to be installed :ghpull:`11723` |
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20 | - Properly skip test that requires numpy to be installed :ghpull:`11723` | |
21 | - More support for Python 3.8 and positional only arguments (pep570) |
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21 | - More support for Python 3.8 and positional only arguments (pep570) | |
22 | :ghpull:`11720` |
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22 | :ghpull:`11720` | |
23 | - Unicode names for the completion are loaded lazily on first use which |
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23 | - Unicode names for the completion are loaded lazily on first use which | |
24 | should decrease startup time. :ghpull:`11693` |
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24 | should decrease startup time. :ghpull:`11693` | |
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25 | - Autoreload now fix the types of reloaded objects; this for example allow | |||
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26 | pickling of reloaded objects. :ghpull:`11644` | |||
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27 | ||||
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28 | ||||
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29 | Prepare migration to pytest (instead of nose) for testing | |||
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30 | --------------------------------------------------------- | |||
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31 | ||||
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32 | Most of the work between 7.5 and 7.6 was to prepare the migration from our | |||
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33 | testing framework to pytest. Most of the test suite should now work by simply | |||
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34 | issuing ``pytest`` from the root of the repository. | |||
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35 | ||||
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36 | The migration to pytest is just at its beginning. Many of our test still rely | |||
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37 | on IPython-specific plugins for nose using pytest (doctest using IPython syntax | |||
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38 | is one example of this where test appear as "passing", while no code has been | |||
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39 | ran). Many test also need to be updated like ``yield-test`` to be properly | |||
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40 | parametrized tests. | |||
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41 | ||||
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42 | Migration to pytest allowed me to discover a number of issues in our test | |||
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43 | suite; which was hiding a number of subtle issues βΒ or not actually running | |||
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44 | some of the tests in our test suite β I have thus corrected many of those; like | |||
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45 | improperly closed resources; or used of deprecated features. I also made use of | |||
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46 | the ``pytest --durations=...`` to find some of our slowest test and speed them | |||
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47 | up (our test suite can now be up to 10% faster). Pytest as also a variety of | |||
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48 | plugins and flags which will make the code quality of IPython and the testing | |||
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49 | experience better. | |||
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50 | ||||
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51 | Misc | |||
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52 | ---- | |||
25 |
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53 | |||
26 | Special Thanks to Gabriel (@gpotter2 on GitHub), who among other took care many |
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54 | Special Thanks to Gabriel (@gpotter2 on GitHub), who among other took care many | |
27 | of the remaining task for 7.4 and 7.5, like updating the website. |
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55 | of the remaining task for 7.4 and 7.5, like updating the website. | |
28 |
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56 | |||
29 | .. _whatsnew750: |
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57 | .. _whatsnew750: | |
30 |
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58 | |||
31 | IPython 7.5.0 |
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59 | IPython 7.5.0 | |
32 | ============= |
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60 | ============= | |
33 |
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61 | |||
34 | IPython 7.5.0 consist mostly of bug-fixes, and documentation updates, with one |
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62 | IPython 7.5.0 consist mostly of bug-fixes, and documentation updates, with one | |
35 | minor new feature. The `Audio` display element can now be assigned an element |
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63 | minor new feature. The `Audio` display element can now be assigned an element | |
36 | id when displayed in browser. See :ghpull:`11670` |
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64 | id when displayed in browser. See :ghpull:`11670` | |
37 |
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65 | |||
38 | The major outstanding bug fix correct a change of behavior that was introduce |
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66 | The major outstanding bug fix correct a change of behavior that was introduce | |
39 | in 7.4.0 where some cell magics would not be able to access or modify global |
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67 | in 7.4.0 where some cell magics would not be able to access or modify global | |
40 | scope when using the ``@needs_local_scope`` decorator. This was typically |
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68 | scope when using the ``@needs_local_scope`` decorator. This was typically | |
41 | encountered with the ``%%time`` and ``%%timeit`` magics. See :ghissue:`11659` |
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69 | encountered with the ``%%time`` and ``%%timeit`` magics. See :ghissue:`11659` | |
42 | and :ghpull:`11698`. |
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70 | and :ghpull:`11698`. | |
43 |
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71 | |||
44 | .. _whatsnew740: |
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72 | .. _whatsnew740: | |
45 |
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73 | |||
46 | IPython 7.4.0 |
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74 | IPython 7.4.0 | |
47 | ============= |
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75 | ============= | |
48 |
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76 | |||
49 | Unicode name completions |
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77 | Unicode name completions | |
50 | ------------------------ |
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78 | ------------------------ | |
51 |
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79 | |||
52 | Previously, we provided completion for a unicode name with its relative symbol. |
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80 | Previously, we provided completion for a unicode name with its relative symbol. | |
53 | With this, now IPython provides complete suggestions to unicode name symbols. |
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81 | With this, now IPython provides complete suggestions to unicode name symbols. | |
54 |
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82 | |||
55 | As on the PR, if user types ``\LAT<tab>``, IPython provides a list of |
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83 | As on the PR, if user types ``\LAT<tab>``, IPython provides a list of | |
56 | possible completions. In this case, it would be something like:: |
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84 | possible completions. In this case, it would be something like:: | |
57 |
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85 | |||
58 | 'LATIN CAPITAL LETTER A', |
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86 | 'LATIN CAPITAL LETTER A', | |
59 | 'LATIN CAPITAL LETTER B', |
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87 | 'LATIN CAPITAL LETTER B', | |
60 | 'LATIN CAPITAL LETTER C', |
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88 | 'LATIN CAPITAL LETTER C', | |
61 | 'LATIN CAPITAL LETTER D', |
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89 | 'LATIN CAPITAL LETTER D', | |
62 | .... |
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90 | .... | |
63 |
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91 | |||
64 | This help to type unicode character that do not have short latex aliases, and |
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92 | This help to type unicode character that do not have short latex aliases, and | |
65 | have long unicode names. for example ``Ν°``, ``\GREEK CAPITAL LETTER HETA``. |
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93 | have long unicode names. for example ``Ν°``, ``\GREEK CAPITAL LETTER HETA``. | |
66 |
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94 | |||
67 | This feature was contributed by Luciana Marques :ghpull:`11583`. |
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95 | This feature was contributed by Luciana Marques :ghpull:`11583`. | |
68 |
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96 | |||
69 | Make audio normalization optional |
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97 | Make audio normalization optional | |
70 | --------------------------------- |
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98 | --------------------------------- | |
71 |
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99 | |||
72 | Added 'normalize' argument to `IPython.display.Audio`. This argument applies |
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100 | Added 'normalize' argument to `IPython.display.Audio`. This argument applies | |
73 | when audio data is given as an array of samples. The default of `normalize=True` |
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101 | when audio data is given as an array of samples. The default of `normalize=True` | |
74 | preserves prior behavior of normalizing the audio to the maximum possible range. |
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102 | preserves prior behavior of normalizing the audio to the maximum possible range. | |
75 | Setting to `False` disables normalization. |
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103 | Setting to `False` disables normalization. | |
76 |
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104 | |||
77 |
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105 | |||
78 | Miscelanious |
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106 | Miscelanious | |
79 | ------------ |
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107 | ------------ | |
80 |
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108 | |||
81 | - Fix improper acceptation of ``return`` outside of functions. :ghpull:`11641`. |
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109 | - Fix improper acceptation of ``return`` outside of functions. :ghpull:`11641`. | |
82 | - Fixed PyQt 5.11 backwards incompatibility causing sip import failure. |
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110 | - Fixed PyQt 5.11 backwards incompatibility causing sip import failure. | |
83 | :ghpull:`11613`. |
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111 | :ghpull:`11613`. | |
84 | - Fix Bug where ``type?`` would crash IPython. :ghpull:`1608`. |
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112 | - Fix Bug where ``type?`` would crash IPython. :ghpull:`1608`. | |
85 | - Allow to apply ``@needs_local_scope`` to cell magics for convenience. |
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113 | - Allow to apply ``@needs_local_scope`` to cell magics for convenience. | |
86 | :ghpull:`11542`. |
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114 | :ghpull:`11542`. | |
87 |
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115 | |||
88 | .. _whatsnew730: |
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116 | .. _whatsnew730: | |
89 |
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117 | |||
90 | IPython 7.3.0 |
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118 | IPython 7.3.0 | |
91 | ============= |
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119 | ============= | |
92 |
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120 | |||
93 | .. _whatsnew720: |
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121 | .. _whatsnew720: | |
94 |
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122 | |||
95 | IPython 7.3.0 bring several bug fixes and small improvements that you will |
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123 | IPython 7.3.0 bring several bug fixes and small improvements that you will | |
96 | described bellow. |
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124 | described bellow. | |
97 |
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125 | |||
98 | The biggest change to this release is the implementation of the ``%conda`` and |
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126 | The biggest change to this release is the implementation of the ``%conda`` and | |
99 | ``%pip`` magics, that will attempt to install packages in the **current |
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127 | ``%pip`` magics, that will attempt to install packages in the **current | |
100 | environment**. You may still need to restart your interpreter or kernel for the |
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128 | environment**. You may still need to restart your interpreter or kernel for the | |
101 | change to be taken into account, but it should simplify installation of packages |
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129 | change to be taken into account, but it should simplify installation of packages | |
102 | into remote environment. Installing using pip/conda from the command line is |
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130 | into remote environment. Installing using pip/conda from the command line is | |
103 | still the prefer method. |
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131 | still the prefer method. | |
104 |
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132 | |||
105 | The ``%pip`` magic was already present, but was only printing a warning; now it |
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133 | The ``%pip`` magic was already present, but was only printing a warning; now it | |
106 | will actually forward commands to pip. |
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134 | will actually forward commands to pip. | |
107 |
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135 | |||
108 | Misc bug fixes and improvements: |
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136 | Misc bug fixes and improvements: | |
109 |
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137 | |||
110 | - Compatibility with Python 3.8. |
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138 | - Compatibility with Python 3.8. | |
111 | - Do not expand shell variable in execution magics, and added the |
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139 | - Do not expand shell variable in execution magics, and added the | |
112 | ``no_var_expand`` decorator for magic requiring a similar functionality |
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140 | ``no_var_expand`` decorator for magic requiring a similar functionality | |
113 | :ghpull:`11516` |
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141 | :ghpull:`11516` | |
114 | - Add ``%pip`` and ``%conda`` magic :ghpull:`11524` |
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142 | - Add ``%pip`` and ``%conda`` magic :ghpull:`11524` | |
115 | - Re-initialize posix aliases after a ``%reset`` :ghpull:`11528` |
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143 | - Re-initialize posix aliases after a ``%reset`` :ghpull:`11528` | |
116 | - Allow the IPython command line to run ``*.ipynb`` files :ghpull:`11529` |
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144 | - Allow the IPython command line to run ``*.ipynb`` files :ghpull:`11529` | |
117 |
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145 | |||
118 | IPython 7.2.0 |
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146 | IPython 7.2.0 | |
119 | ============= |
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147 | ============= | |
120 |
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148 | |||
121 | IPython 7.2.0 brings minor bugfixes, improvements, and new configuration options: |
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149 | IPython 7.2.0 brings minor bugfixes, improvements, and new configuration options: | |
122 |
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150 | |||
123 | - Fix a bug preventing PySide2 GUI integration from working :ghpull:`11464` |
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151 | - Fix a bug preventing PySide2 GUI integration from working :ghpull:`11464` | |
124 | - Run CI on Mac OS ! :ghpull:`11471` |
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152 | - Run CI on Mac OS ! :ghpull:`11471` | |
125 | - Fix IPython "Demo" mode. :ghpull:`11498` |
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153 | - Fix IPython "Demo" mode. :ghpull:`11498` | |
126 | - Fix ``%run`` magic with path in name :ghpull:`11499` |
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154 | - Fix ``%run`` magic with path in name :ghpull:`11499` | |
127 | - Fix: add CWD to sys.path *after* stdlib :ghpull:`11502` |
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155 | - Fix: add CWD to sys.path *after* stdlib :ghpull:`11502` | |
128 | - Better rendering of signatures, especially long ones. :ghpull:`11505` |
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156 | - Better rendering of signatures, especially long ones. :ghpull:`11505` | |
129 | - Re-enable jedi by default if it's installed :ghpull:`11506` |
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157 | - Re-enable jedi by default if it's installed :ghpull:`11506` | |
130 | - Add New ``minimal`` exception reporting mode (useful for educational purpose). See :ghpull:`11509` |
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158 | - Add New ``minimal`` exception reporting mode (useful for educational purpose). See :ghpull:`11509` | |
131 |
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159 | |||
132 |
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160 | |||
133 | Added ability to show subclasses when using pinfo and other utilities |
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161 | Added ability to show subclasses when using pinfo and other utilities | |
134 | --------------------------------------------------------------------- |
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162 | --------------------------------------------------------------------- | |
135 |
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163 | |||
136 | When using ``?``/``??`` on a class, IPython will now list the first 10 subclasses. |
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164 | When using ``?``/``??`` on a class, IPython will now list the first 10 subclasses. | |
137 |
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165 | |||
138 | Special Thanks to Chris Mentzel of the Moore Foundation for this feature. Chris |
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166 | Special Thanks to Chris Mentzel of the Moore Foundation for this feature. Chris | |
139 | is one of the people who played a critical role in IPython/Jupyter getting |
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167 | is one of the people who played a critical role in IPython/Jupyter getting | |
140 | funding. |
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168 | funding. | |
141 |
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169 | |||
142 | We are grateful for all the help Chris has given us over the years, |
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170 | We are grateful for all the help Chris has given us over the years, | |
143 | and we're now proud to have code contributed by Chris in IPython. |
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171 | and we're now proud to have code contributed by Chris in IPython. | |
144 |
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172 | |||
145 | OSMagics.cd_force_quiet configuration option |
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173 | OSMagics.cd_force_quiet configuration option | |
146 | -------------------------------------------- |
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174 | -------------------------------------------- | |
147 |
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175 | |||
148 | You can set this option to force the %cd magic to behave as if ``-q`` was passed: |
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176 | You can set this option to force the %cd magic to behave as if ``-q`` was passed: | |
149 | :: |
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177 | :: | |
150 |
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178 | |||
151 | In [1]: cd / |
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179 | In [1]: cd / | |
152 | / |
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180 | / | |
153 |
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181 | |||
154 | In [2]: %config OSMagics.cd_force_quiet = True |
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182 | In [2]: %config OSMagics.cd_force_quiet = True | |
155 |
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183 | |||
156 | In [3]: cd /tmp |
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184 | In [3]: cd /tmp | |
157 |
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185 | |||
158 | In [4]: |
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186 | In [4]: | |
159 |
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187 | |||
160 | See :ghpull:`11491` |
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188 | See :ghpull:`11491` | |
161 |
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189 | |||
162 | In vi editing mode, whether the prompt includes the current vi mode can now be configured |
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190 | In vi editing mode, whether the prompt includes the current vi mode can now be configured | |
163 | ----------------------------------------------------------------------------------------- |
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191 | ----------------------------------------------------------------------------------------- | |
164 |
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192 | |||
165 | Set the ``TerminalInteractiveShell.prompt_includes_vi_mode`` to a boolean value |
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193 | Set the ``TerminalInteractiveShell.prompt_includes_vi_mode`` to a boolean value | |
166 | (default: True) to control this feature. See :ghpull:`11492` |
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194 | (default: True) to control this feature. See :ghpull:`11492` | |
167 |
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195 | |||
168 | .. _whatsnew710: |
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196 | .. _whatsnew710: | |
169 |
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197 | |||
170 | IPython 7.1.0 |
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198 | IPython 7.1.0 | |
171 | ============= |
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199 | ============= | |
172 |
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200 | |||
173 | IPython 7.1.0 is the first minor release after 7.0.0 and mostly brings fixes to |
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201 | IPython 7.1.0 is the first minor release after 7.0.0 and mostly brings fixes to | |
174 | new features, internal refactoring, and fixes for regressions that happened during the 6.x->7.x |
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202 | new features, internal refactoring, and fixes for regressions that happened during the 6.x->7.x | |
175 | transition. It also brings **Compatibility with Python 3.7.1**, as we're |
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203 | transition. It also brings **Compatibility with Python 3.7.1**, as we're | |
176 | unwillingly relying on a bug in CPython. |
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204 | unwillingly relying on a bug in CPython. | |
177 |
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205 | |||
178 | New Core Dev: |
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206 | New Core Dev: | |
179 |
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207 | |||
180 | - We welcome Jonathan Slenders to the commiters. Jonathan has done a fantastic |
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208 | - We welcome Jonathan Slenders to the commiters. Jonathan has done a fantastic | |
181 | work on prompt_toolkit, and we'd like to recognise his impact by giving him |
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209 | work on prompt_toolkit, and we'd like to recognise his impact by giving him | |
182 | commit rights. :ghissue:`11397` |
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210 | commit rights. :ghissue:`11397` | |
183 |
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211 | |||
184 | Notable Changes |
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212 | Notable Changes | |
185 |
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213 | |||
186 | - Major update of "latex to unicode" tab completion map (see below) |
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214 | - Major update of "latex to unicode" tab completion map (see below) | |
187 |
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215 | |||
188 | Notable New Features: |
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216 | Notable New Features: | |
189 |
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217 | |||
190 | - Restore functionality and documentation of the **sphinx directive**, which |
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218 | - Restore functionality and documentation of the **sphinx directive**, which | |
191 | is now stricter (fail on error by daefault), has new configuration options, |
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219 | is now stricter (fail on error by daefault), has new configuration options, | |
192 | has a brand new documentation page :ref:`ipython_directive` (which needs |
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220 | has a brand new documentation page :ref:`ipython_directive` (which needs | |
193 | some cleanup). It is also now *tested* so we hope to have less regressions. |
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221 | some cleanup). It is also now *tested* so we hope to have less regressions. | |
194 | :ghpull:`11402` |
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222 | :ghpull:`11402` | |
195 |
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223 | |||
196 | - ``IPython.display.Video`` now supports ``width`` and ``height`` arguments, |
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224 | - ``IPython.display.Video`` now supports ``width`` and ``height`` arguments, | |
197 | allowing a custom width and height to be set instead of using the video's |
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225 | allowing a custom width and height to be set instead of using the video's | |
198 | width and height. :ghpull:`11353` |
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226 | width and height. :ghpull:`11353` | |
199 |
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227 | |||
200 | - Warn when using ``HTML('<iframe>')`` instead of ``IFrame`` :ghpull:`11350` |
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228 | - Warn when using ``HTML('<iframe>')`` instead of ``IFrame`` :ghpull:`11350` | |
201 |
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229 | |||
202 | - Allow Dynamic switching of editing mode between vi/emacs and show |
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230 | - Allow Dynamic switching of editing mode between vi/emacs and show | |
203 | normal/input mode in prompt when using vi. :ghpull:`11390`. Use ``%config |
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231 | normal/input mode in prompt when using vi. :ghpull:`11390`. Use ``%config | |
204 | TerminalInteractiveShell.editing_mode = 'vi'`` or ``%config |
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232 | TerminalInteractiveShell.editing_mode = 'vi'`` or ``%config | |
205 | TerminalInteractiveShell.editing_mode = 'emacs'`` to dynamically switch |
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233 | TerminalInteractiveShell.editing_mode = 'emacs'`` to dynamically switch | |
206 | between modes. |
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234 | between modes. | |
207 |
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235 | |||
208 |
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236 | |||
209 | Notable Fixes: |
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237 | Notable Fixes: | |
210 |
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238 | |||
211 | - Fix entering of **multi-line blocks in terminal** IPython, and various |
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239 | - Fix entering of **multi-line blocks in terminal** IPython, and various | |
212 | crashes in the new input transformation machinery :ghpull:`11354`, |
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240 | crashes in the new input transformation machinery :ghpull:`11354`, | |
213 | :ghpull:`11356`, :ghpull:`11358`. These also fix a **Compatibility bug |
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241 | :ghpull:`11356`, :ghpull:`11358`. These also fix a **Compatibility bug | |
214 | with Python 3.7.1**. |
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242 | with Python 3.7.1**. | |
215 |
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243 | |||
216 | - Fix moving through generator stack in ipdb :ghpull:`11266` |
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244 | - Fix moving through generator stack in ipdb :ghpull:`11266` | |
217 |
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245 | |||
218 | - %Magic command arguments now support quoting. :ghpull:`11330` |
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246 | - %Magic command arguments now support quoting. :ghpull:`11330` | |
219 |
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247 | |||
220 | - Re-add ``rprint`` and ``rprinte`` aliases. :ghpull:`11331` |
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248 | - Re-add ``rprint`` and ``rprinte`` aliases. :ghpull:`11331` | |
221 |
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249 | |||
222 | - Remove implicit dependency on ``ipython_genutils`` :ghpull:`11317` |
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250 | - Remove implicit dependency on ``ipython_genutils`` :ghpull:`11317` | |
223 |
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251 | |||
224 | - Make ``nonlocal`` raise ``SyntaxError`` instead of silently failing in async |
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252 | - Make ``nonlocal`` raise ``SyntaxError`` instead of silently failing in async | |
225 | mode. :ghpull:`11382` |
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253 | mode. :ghpull:`11382` | |
226 |
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254 | |||
227 | - Fix mishandling of magics and ``= !`` assignment just after a dedent in |
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255 | - Fix mishandling of magics and ``= !`` assignment just after a dedent in | |
228 | nested code blocks :ghpull:`11418` |
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256 | nested code blocks :ghpull:`11418` | |
229 |
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257 | |||
230 | - Fix instructions for custom shortcuts :ghpull:`11426` |
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258 | - Fix instructions for custom shortcuts :ghpull:`11426` | |
231 |
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259 | |||
232 |
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260 | |||
233 | Notable Internals improvements: |
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261 | Notable Internals improvements: | |
234 |
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262 | |||
235 | - Use of ``os.scandir`` (Python 3 only) to speed up some file system operations. |
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263 | - Use of ``os.scandir`` (Python 3 only) to speed up some file system operations. | |
236 | :ghpull:`11365` |
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264 | :ghpull:`11365` | |
237 |
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265 | |||
238 | - use ``perf_counter`` instead of ``clock`` for more precise |
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266 | - use ``perf_counter`` instead of ``clock`` for more precise | |
239 | timing results with ``%time`` :ghpull:`11376` |
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267 | timing results with ``%time`` :ghpull:`11376` | |
240 |
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268 | |||
241 | Many thanks to all the contributors and in particular to ``bartskowron`` and |
|
269 | Many thanks to all the contributors and in particular to ``bartskowron`` and | |
242 | ``tonyfast`` who handled some pretty complicated bugs in the input machinery. We |
|
270 | ``tonyfast`` who handled some pretty complicated bugs in the input machinery. We | |
243 | had a number of first time contributors and maybe hacktoberfest participants that |
|
271 | had a number of first time contributors and maybe hacktoberfest participants that | |
244 | made significant contributions and helped us free some time to focus on more |
|
272 | made significant contributions and helped us free some time to focus on more | |
245 | complicated bugs. |
|
273 | complicated bugs. | |
246 |
|
274 | |||
247 | You |
|
275 | You | |
248 | can see all the closed issues and Merged PR, new features and fixes `here |
|
276 | can see all the closed issues and Merged PR, new features and fixes `here | |
249 | <https://github.com/ipython/ipython/issues?utf8=%E2%9C%93&q=+is%3Aclosed+milestone%3A7.1+>`_. |
|
277 | <https://github.com/ipython/ipython/issues?utf8=%E2%9C%93&q=+is%3Aclosed+milestone%3A7.1+>`_. | |
250 |
|
278 | |||
251 | Unicode Completion update |
|
279 | Unicode Completion update | |
252 | ------------------------- |
|
280 | ------------------------- | |
253 |
|
281 | |||
254 | In IPython 7.1 the Unicode completion map has been updated and synchronized with |
|
282 | In IPython 7.1 the Unicode completion map has been updated and synchronized with | |
255 | the Julia language. |
|
283 | the Julia language. | |
256 |
|
284 | |||
257 | Added and removed character characters: |
|
285 | Added and removed character characters: | |
258 |
|
286 | |||
259 | ``\jmath`` (``Θ·``), ``\\underleftrightarrow`` (U+034D, combining) have been |
|
287 | ``\jmath`` (``Θ·``), ``\\underleftrightarrow`` (U+034D, combining) have been | |
260 | added, while ``\\textasciicaron`` have been removed |
|
288 | added, while ``\\textasciicaron`` have been removed | |
261 |
|
289 | |||
262 | Some sequences have seen their prefix removed: |
|
290 | Some sequences have seen their prefix removed: | |
263 |
|
291 | |||
264 | - 6 characters ``\text...<tab>`` should now be inputed with ``\...<tab>`` directly, |
|
292 | - 6 characters ``\text...<tab>`` should now be inputed with ``\...<tab>`` directly, | |
265 | - 45 characters ``\Elz...<tab>`` should now be inputed with ``\...<tab>`` directly, |
|
293 | - 45 characters ``\Elz...<tab>`` should now be inputed with ``\...<tab>`` directly, | |
266 | - 65 characters ``\B...<tab>`` should now be inputed with ``\...<tab>`` directly, |
|
294 | - 65 characters ``\B...<tab>`` should now be inputed with ``\...<tab>`` directly, | |
267 | - 450 characters ``\m...<tab>`` should now be inputed with ``\...<tab>`` directly, |
|
295 | - 450 characters ``\m...<tab>`` should now be inputed with ``\...<tab>`` directly, | |
268 |
|
296 | |||
269 | Some sequences have seen their prefix shortened: |
|
297 | Some sequences have seen their prefix shortened: | |
270 |
|
298 | |||
271 | - 5 characters ``\mitBbb...<tab>`` should now be inputed with ``\bbi...<tab>`` directly, |
|
299 | - 5 characters ``\mitBbb...<tab>`` should now be inputed with ``\bbi...<tab>`` directly, | |
272 | - 52 characters ``\mit...<tab>`` should now be inputed with ``\i...<tab>`` directly, |
|
300 | - 52 characters ``\mit...<tab>`` should now be inputed with ``\i...<tab>`` directly, | |
273 | - 216 characters ``\mbfit...<tab>`` should now be inputed with ``\bi...<tab>`` directly, |
|
301 | - 216 characters ``\mbfit...<tab>`` should now be inputed with ``\bi...<tab>`` directly, | |
274 | - 222 characters ``\mbf...<tab>`` should now be inputed with ``\b...<tab>`` directly, |
|
302 | - 222 characters ``\mbf...<tab>`` should now be inputed with ``\b...<tab>`` directly, | |
275 |
|
303 | |||
276 | A couple of characters had their sequence simplified: |
|
304 | A couple of characters had their sequence simplified: | |
277 |
|
305 | |||
278 | - ``Γ°``, type ``\dh<tab>``, instead of ``\eth<tab>`` |
|
306 | - ``Γ°``, type ``\dh<tab>``, instead of ``\eth<tab>`` | |
279 | - ``Δ§``, type ``\hbar<tab>``, instead of ``\Elzxh<tab>`` |
|
307 | - ``Δ§``, type ``\hbar<tab>``, instead of ``\Elzxh<tab>`` | |
280 | - ``ΙΈ``, type ``\ltphi<tab>``, instead of ``\textphi<tab>`` |
|
308 | - ``ΙΈ``, type ``\ltphi<tab>``, instead of ``\textphi<tab>`` | |
281 | - ``Ο΄``, type ``\varTheta<tab>``, instead of ``\textTheta<tab>`` |
|
309 | - ``Ο΄``, type ``\varTheta<tab>``, instead of ``\textTheta<tab>`` | |
282 | - ``β``, type ``\eulermascheroni<tab>``, instead of ``\Eulerconst<tab>`` |
|
310 | - ``β``, type ``\eulermascheroni<tab>``, instead of ``\Eulerconst<tab>`` | |
283 | - ``β``, type ``\planck<tab>``, instead of ``\Planckconst<tab>`` |
|
311 | - ``β``, type ``\planck<tab>``, instead of ``\Planckconst<tab>`` | |
284 |
|
312 | |||
285 | - U+0336 (COMBINING LONG STROKE OVERLAY), type ``\strike<tab>``, instead of ``\Elzbar<tab>``. |
|
313 | - U+0336 (COMBINING LONG STROKE OVERLAY), type ``\strike<tab>``, instead of ``\Elzbar<tab>``. | |
286 |
|
314 | |||
287 | A couple of sequences have been updated: |
|
315 | A couple of sequences have been updated: | |
288 |
|
316 | |||
289 | - ``\varepsilon`` now gives ``Ι`` (GREEK SMALL LETTER EPSILON) instead of ``Ξ΅`` (GREEK LUNATE EPSILON SYMBOL), |
|
317 | - ``\varepsilon`` now gives ``Ι`` (GREEK SMALL LETTER EPSILON) instead of ``Ξ΅`` (GREEK LUNATE EPSILON SYMBOL), | |
290 | - ``\underbar`` now gives U+0331 (COMBINING MACRON BELOW) instead of U+0332 (COMBINING LOW LINE). |
|
318 | - ``\underbar`` now gives U+0331 (COMBINING MACRON BELOW) instead of U+0332 (COMBINING LOW LINE). | |
291 |
|
319 | |||
292 |
|
320 | |||
293 | .. _whatsnew700: |
|
321 | .. _whatsnew700: | |
294 |
|
322 | |||
295 | IPython 7.0.0 |
|
323 | IPython 7.0.0 | |
296 | ============= |
|
324 | ============= | |
297 |
|
325 | |||
298 | Released Thursday September 27th, 2018 |
|
326 | Released Thursday September 27th, 2018 | |
299 |
|
327 | |||
300 | IPython 7 includes major feature improvements. |
|
328 | IPython 7 includes major feature improvements. | |
301 | This is also the second major version of IPython to support only |
|
329 | This is also the second major version of IPython to support only | |
302 | Python 3 βΒ starting at Python 3.4. Python 2 is still community-supported |
|
330 | Python 3 βΒ starting at Python 3.4. Python 2 is still community-supported | |
303 | on the bugfix only 5.x branch, but we remind you that Python 2 "end of life" |
|
331 | on the bugfix only 5.x branch, but we remind you that Python 2 "end of life" | |
304 | is on Jan 1st 2020. |
|
332 | is on Jan 1st 2020. | |
305 |
|
333 | |||
306 | We were able to backport bug fixes to the 5.x branch thanks to our backport bot which |
|
334 | We were able to backport bug fixes to the 5.x branch thanks to our backport bot which | |
307 | backported more than `70 Pull-Requests |
|
335 | backported more than `70 Pull-Requests | |
308 | <https://github.com/ipython/ipython/pulls?page=3&q=is%3Apr+sort%3Aupdated-desc+author%3Aapp%2Fmeeseeksdev++5.x&utf8=%E2%9C%93>`_, but there are still many PRs that required manual work. This is an area of the project where you can easily contribute by looking for `PRs that still need manual backport <https://github.com/ipython/ipython/issues?q=label%3A%22Still+Needs+Manual+Backport%22+is%3Aclosed+sort%3Aupdated-desc>`_ |
|
336 | <https://github.com/ipython/ipython/pulls?page=3&q=is%3Apr+sort%3Aupdated-desc+author%3Aapp%2Fmeeseeksdev++5.x&utf8=%E2%9C%93>`_, but there are still many PRs that required manual work. This is an area of the project where you can easily contribute by looking for `PRs that still need manual backport <https://github.com/ipython/ipython/issues?q=label%3A%22Still+Needs+Manual+Backport%22+is%3Aclosed+sort%3Aupdated-desc>`_ | |
309 |
|
337 | |||
310 | The IPython 6.x branch will likely not see any further release unless critical |
|
338 | The IPython 6.x branch will likely not see any further release unless critical | |
311 | bugs are found. |
|
339 | bugs are found. | |
312 |
|
340 | |||
313 | Make sure you have pip > 9.0 before upgrading. You should be able to update by running: |
|
341 | Make sure you have pip > 9.0 before upgrading. You should be able to update by running: | |
314 |
|
342 | |||
315 | .. code:: |
|
343 | .. code:: | |
316 |
|
344 | |||
317 | pip install ipython --upgrade |
|
345 | pip install ipython --upgrade | |
318 |
|
346 | |||
319 | .. only:: ipydev |
|
347 | .. only:: ipydev | |
320 |
|
348 | |||
321 | If you are trying to install or update an ``alpha``, ``beta``, or ``rc`` |
|
349 | If you are trying to install or update an ``alpha``, ``beta``, or ``rc`` | |
322 | version, use pip ``--pre`` flag. |
|
350 | version, use pip ``--pre`` flag. | |
323 |
|
351 | |||
324 | .. code:: |
|
352 | .. code:: | |
325 |
|
353 | |||
326 | pip install ipython --upgrade --pre |
|
354 | pip install ipython --upgrade --pre | |
327 |
|
355 | |||
328 |
|
356 | |||
329 | Or, if you have conda installed: |
|
357 | Or, if you have conda installed: | |
330 |
|
358 | |||
331 | .. code:: |
|
359 | .. code:: | |
332 |
|
360 | |||
333 | conda install ipython |
|
361 | conda install ipython | |
334 |
|
362 | |||
335 |
|
363 | |||
336 |
|
364 | |||
337 | Prompt Toolkit 2.0 |
|
365 | Prompt Toolkit 2.0 | |
338 | ------------------ |
|
366 | ------------------ | |
339 |
|
367 | |||
340 | IPython 7.0+ now uses ``prompt_toolkit 2.0``. If you still need to use an earlier |
|
368 | IPython 7.0+ now uses ``prompt_toolkit 2.0``. If you still need to use an earlier | |
341 | ``prompt_toolkit`` version, you may need to pin IPython to ``<7.0``. |
|
369 | ``prompt_toolkit`` version, you may need to pin IPython to ``<7.0``. | |
342 |
|
370 | |||
343 | Autowait: Asynchronous REPL |
|
371 | Autowait: Asynchronous REPL | |
344 | --------------------------- |
|
372 | --------------------------- | |
345 |
|
373 | |||
346 | Staring with IPython 7.0 on Python 3.6+, IPython can automatically ``await`` |
|
374 | Staring with IPython 7.0 on Python 3.6+, IPython can automatically ``await`` | |
347 | top level code. You should not need to access an event loop or runner |
|
375 | top level code. You should not need to access an event loop or runner | |
348 | yourself. To learn more, read the :ref:`autoawait` section of our docs, see |
|
376 | yourself. To learn more, read the :ref:`autoawait` section of our docs, see | |
349 | :ghpull:`11265`, or try the following code:: |
|
377 | :ghpull:`11265`, or try the following code:: | |
350 |
|
378 | |||
351 | Python 3.6.0 |
|
379 | Python 3.6.0 | |
352 | Type 'copyright', 'credits' or 'license' for more information |
|
380 | Type 'copyright', 'credits' or 'license' for more information | |
353 | IPython 7.0.0 -- An enhanced Interactive Python. Type '?' for help. |
|
381 | IPython 7.0.0 -- An enhanced Interactive Python. Type '?' for help. | |
354 |
|
382 | |||
355 | In [1]: import aiohttp |
|
383 | In [1]: import aiohttp | |
356 | ...: result = aiohttp.get('https://api.github.com') |
|
384 | ...: result = aiohttp.get('https://api.github.com') | |
357 |
|
385 | |||
358 | In [2]: response = await result |
|
386 | In [2]: response = await result | |
359 | <pause for a few 100s ms> |
|
387 | <pause for a few 100s ms> | |
360 |
|
388 | |||
361 | In [3]: await response.json() |
|
389 | In [3]: await response.json() | |
362 | Out[3]: |
|
390 | Out[3]: | |
363 | {'authorizations_url': 'https://api.github.com/authorizations', |
|
391 | {'authorizations_url': 'https://api.github.com/authorizations', | |
364 | 'code_search_url': 'https://api.github.com/search/code?q={query}{&page,per_page,sort,order}', |
|
392 | 'code_search_url': 'https://api.github.com/search/code?q={query}{&page,per_page,sort,order}', | |
365 | ... |
|
393 | ... | |
366 | } |
|
394 | } | |
367 |
|
395 | |||
368 | .. note:: |
|
396 | .. note:: | |
369 |
|
397 | |||
370 | Async integration is experimental code, behavior may change or be removed |
|
398 | Async integration is experimental code, behavior may change or be removed | |
371 | between Python and IPython versions without warnings. |
|
399 | between Python and IPython versions without warnings. | |
372 |
|
400 | |||
373 | Integration is by default with `asyncio`, but other libraries can be configured -- |
|
401 | Integration is by default with `asyncio`, but other libraries can be configured -- | |
374 | like ``curio`` or ``trio`` -- to improve concurrency in the REPL:: |
|
402 | like ``curio`` or ``trio`` -- to improve concurrency in the REPL:: | |
375 |
|
403 | |||
376 | In [1]: %autoawait trio |
|
404 | In [1]: %autoawait trio | |
377 |
|
405 | |||
378 | In [2]: import trio |
|
406 | In [2]: import trio | |
379 |
|
407 | |||
380 | In [3]: async def child(i): |
|
408 | In [3]: async def child(i): | |
381 | ...: print(" child %s goes to sleep"%i) |
|
409 | ...: print(" child %s goes to sleep"%i) | |
382 | ...: await trio.sleep(2) |
|
410 | ...: await trio.sleep(2) | |
383 | ...: print(" child %s wakes up"%i) |
|
411 | ...: print(" child %s wakes up"%i) | |
384 |
|
412 | |||
385 | In [4]: print('parent start') |
|
413 | In [4]: print('parent start') | |
386 | ...: async with trio.open_nursery() as n: |
|
414 | ...: async with trio.open_nursery() as n: | |
387 | ...: for i in range(3): |
|
415 | ...: for i in range(3): | |
388 | ...: n.spawn(child, i) |
|
416 | ...: n.spawn(child, i) | |
389 | ...: print('parent end') |
|
417 | ...: print('parent end') | |
390 | parent start |
|
418 | parent start | |
391 | child 2 goes to sleep |
|
419 | child 2 goes to sleep | |
392 | child 0 goes to sleep |
|
420 | child 0 goes to sleep | |
393 | child 1 goes to sleep |
|
421 | child 1 goes to sleep | |
394 | <about 2 seconds pause> |
|
422 | <about 2 seconds pause> | |
395 | child 2 wakes up |
|
423 | child 2 wakes up | |
396 | child 1 wakes up |
|
424 | child 1 wakes up | |
397 | child 0 wakes up |
|
425 | child 0 wakes up | |
398 | parent end |
|
426 | parent end | |
399 |
|
427 | |||
400 | See :ref:`autoawait` for more information. |
|
428 | See :ref:`autoawait` for more information. | |
401 |
|
429 | |||
402 |
|
430 | |||
403 | Asynchronous code in a Notebook interface or any other frontend using the |
|
431 | Asynchronous code in a Notebook interface or any other frontend using the | |
404 | Jupyter Protocol will require further updates to the IPykernel package. |
|
432 | Jupyter Protocol will require further updates to the IPykernel package. | |
405 |
|
433 | |||
406 | Non-Asynchronous code |
|
434 | Non-Asynchronous code | |
407 | ~~~~~~~~~~~~~~~~~~~~~ |
|
435 | ~~~~~~~~~~~~~~~~~~~~~ | |
408 |
|
436 | |||
409 | As the internal API of IPython is now asynchronous, IPython needs to run under |
|
437 | As the internal API of IPython is now asynchronous, IPython needs to run under | |
410 | an event loop. In order to allow many workflows, (like using the :magic:`%run` |
|
438 | an event loop. In order to allow many workflows, (like using the :magic:`%run` | |
411 | magic, or copy-pasting code that explicitly starts/stop event loop), when |
|
439 | magic, or copy-pasting code that explicitly starts/stop event loop), when | |
412 | top-level code is detected as not being asynchronous, IPython code is advanced |
|
440 | top-level code is detected as not being asynchronous, IPython code is advanced | |
413 | via a pseudo-synchronous runner, and may not advance pending tasks. |
|
441 | via a pseudo-synchronous runner, and may not advance pending tasks. | |
414 |
|
442 | |||
415 | Change to Nested Embed |
|
443 | Change to Nested Embed | |
416 | ~~~~~~~~~~~~~~~~~~~~~~ |
|
444 | ~~~~~~~~~~~~~~~~~~~~~~ | |
417 |
|
445 | |||
418 | The introduction of the ability to run async code had some effect on the |
|
446 | The introduction of the ability to run async code had some effect on the | |
419 | ``IPython.embed()`` API. By default, embed will not allow you to run asynchronous |
|
447 | ``IPython.embed()`` API. By default, embed will not allow you to run asynchronous | |
420 | code unless an event loop is specified. |
|
448 | code unless an event loop is specified. | |
421 |
|
449 | |||
422 | Effects on Magics |
|
450 | Effects on Magics | |
423 | ~~~~~~~~~~~~~~~~~ |
|
451 | ~~~~~~~~~~~~~~~~~ | |
424 |
|
452 | |||
425 | Some magics will not work with async until they're updated. |
|
453 | Some magics will not work with async until they're updated. | |
426 | Contributions welcome. |
|
454 | Contributions welcome. | |
427 |
|
455 | |||
428 | Expected Future changes |
|
456 | Expected Future changes | |
429 | ~~~~~~~~~~~~~~~~~~~~~~~ |
|
457 | ~~~~~~~~~~~~~~~~~~~~~~~ | |
430 |
|
458 | |||
431 | We expect more internal but public IPython functions to become ``async``, and |
|
459 | We expect more internal but public IPython functions to become ``async``, and | |
432 | will likely end up having a persistent event loop while IPython is running. |
|
460 | will likely end up having a persistent event loop while IPython is running. | |
433 |
|
461 | |||
434 | Thanks |
|
462 | Thanks | |
435 | ~~~~~~ |
|
463 | ~~~~~~ | |
436 |
|
464 | |||
437 | This release took more than a year in the making. |
|
465 | This release took more than a year in the making. | |
438 | The code was rebased a number of |
|
466 | The code was rebased a number of | |
439 | times; leading to commit authorship that may have been lost in the final |
|
467 | times; leading to commit authorship that may have been lost in the final | |
440 | Pull-Request. Huge thanks to many people for contribution, discussion, code, |
|
468 | Pull-Request. Huge thanks to many people for contribution, discussion, code, | |
441 | documentation, use-cases: dalejung, danielballan, ellisonbg, fperez, gnestor, |
|
469 | documentation, use-cases: dalejung, danielballan, ellisonbg, fperez, gnestor, | |
442 | minrk, njsmith, pganssle, tacaswell, takluyver , vidartf ... And many others. |
|
470 | minrk, njsmith, pganssle, tacaswell, takluyver , vidartf ... And many others. | |
443 |
|
471 | |||
444 |
|
472 | |||
445 | Autoreload Improvement |
|
473 | Autoreload Improvement | |
446 | ---------------------- |
|
474 | ---------------------- | |
447 |
|
475 | |||
448 | The magic :magic:`%autoreload 2 <autoreload>` now captures new methods added to |
|
476 | The magic :magic:`%autoreload 2 <autoreload>` now captures new methods added to | |
449 | classes. Earlier, only methods existing as of the initial import were being |
|
477 | classes. Earlier, only methods existing as of the initial import were being | |
450 | tracked and updated. |
|
478 | tracked and updated. | |
451 |
|
479 | |||
452 | This new feature helps dual environment development - Jupyter+IDE - where the |
|
480 | This new feature helps dual environment development - Jupyter+IDE - where the | |
453 | code gradually moves from notebook cells to package files as it gets |
|
481 | code gradually moves from notebook cells to package files as it gets | |
454 | structured. |
|
482 | structured. | |
455 |
|
483 | |||
456 | **Example**: An instance of the class ``MyClass`` will be able to access the |
|
484 | **Example**: An instance of the class ``MyClass`` will be able to access the | |
457 | method ``cube()`` after it is uncommented and the file ``file1.py`` is saved on |
|
485 | method ``cube()`` after it is uncommented and the file ``file1.py`` is saved on | |
458 | disk. |
|
486 | disk. | |
459 |
|
487 | |||
460 |
|
488 | |||
461 | .. code:: |
|
489 | .. code:: | |
462 |
|
490 | |||
463 | # notebook |
|
491 | # notebook | |
464 |
|
492 | |||
465 | from mymodule import MyClass |
|
493 | from mymodule import MyClass | |
466 | first = MyClass(5) |
|
494 | first = MyClass(5) | |
467 |
|
495 | |||
468 | .. code:: |
|
496 | .. code:: | |
469 |
|
497 | |||
470 | # mymodule/file1.py |
|
498 | # mymodule/file1.py | |
471 |
|
499 | |||
472 | class MyClass: |
|
500 | class MyClass: | |
473 |
|
501 | |||
474 | def __init__(self, a=10): |
|
502 | def __init__(self, a=10): | |
475 | self.a = a |
|
503 | self.a = a | |
476 |
|
504 | |||
477 | def square(self): |
|
505 | def square(self): | |
478 | print('compute square') |
|
506 | print('compute square') | |
479 | return self.a*self.a |
|
507 | return self.a*self.a | |
480 |
|
508 | |||
481 | # def cube(self): |
|
509 | # def cube(self): | |
482 | # print('compute cube') |
|
510 | # print('compute cube') | |
483 | # return self.a*self.a*self.a |
|
511 | # return self.a*self.a*self.a | |
484 |
|
512 | |||
485 |
|
513 | |||
486 |
|
514 | |||
487 |
|
515 | |||
488 | Misc |
|
516 | Misc | |
489 | ---- |
|
517 | ---- | |
490 |
|
518 | |||
491 | The autoindent feature that was deprecated in 5.x was re-enabled and |
|
519 | The autoindent feature that was deprecated in 5.x was re-enabled and | |
492 | un-deprecated in :ghpull:`11257` |
|
520 | un-deprecated in :ghpull:`11257` | |
493 |
|
521 | |||
494 | Make :magic:`%run -n -i ... <run>` work correctly. Earlier, if :magic:`%run` was |
|
522 | Make :magic:`%run -n -i ... <run>` work correctly. Earlier, if :magic:`%run` was | |
495 | passed both arguments, ``-n`` would be silently ignored. See :ghpull:`10308` |
|
523 | passed both arguments, ``-n`` would be silently ignored. See :ghpull:`10308` | |
496 |
|
524 | |||
497 |
|
525 | |||
498 | The :cellmagic:`%%script` (as well as :cellmagic:`%%bash`, |
|
526 | The :cellmagic:`%%script` (as well as :cellmagic:`%%bash`, | |
499 | :cellmagic:`%%ruby`... ) cell magics now raise by default if the return code of |
|
527 | :cellmagic:`%%ruby`... ) cell magics now raise by default if the return code of | |
500 | the given code is non-zero (thus halting execution of further cells in a |
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528 | the given code is non-zero (thus halting execution of further cells in a | |
501 | notebook). The behavior can be disable by passing the ``--no-raise-error`` flag. |
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529 | notebook). The behavior can be disable by passing the ``--no-raise-error`` flag. | |
502 |
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530 | |||
503 |
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531 | |||
504 | Deprecations |
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532 | Deprecations | |
505 | ------------ |
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533 | ------------ | |
506 |
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534 | |||
507 | A couple of unused functions and methods have been deprecated and will be removed |
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535 | A couple of unused functions and methods have been deprecated and will be removed | |
508 | in future versions: |
|
536 | in future versions: | |
509 |
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537 | |||
510 | - ``IPython.utils.io.raw_print_err`` |
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538 | - ``IPython.utils.io.raw_print_err`` | |
511 | - ``IPython.utils.io.raw_print`` |
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539 | - ``IPython.utils.io.raw_print`` | |
512 |
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540 | |||
513 |
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541 | |||
514 | Backwards incompatible changes |
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542 | Backwards incompatible changes | |
515 | ------------------------------ |
|
543 | ------------------------------ | |
516 |
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544 | |||
517 | * The API for transforming input before it is parsed as Python code has been |
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545 | * The API for transforming input before it is parsed as Python code has been | |
518 | completely redesigned: any custom input transformations will need to be |
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546 | completely redesigned: any custom input transformations will need to be | |
519 | rewritten. See :doc:`/config/inputtransforms` for details of the new API. |
|
547 | rewritten. See :doc:`/config/inputtransforms` for details of the new API. |
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