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