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1 | .. _core_developer_guide: |
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1 | .. _core_developer_guide: | |
2 |
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2 | |||
3 | ================================= |
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3 | ================================= | |
4 | Guide for IPython core Developers |
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4 | Guide for IPython core Developers | |
5 | ================================= |
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5 | ================================= | |
6 |
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6 | |||
7 | This guide documents the development of IPython itself. Alternatively, |
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7 | This guide documents the development of IPython itself. Alternatively, | |
8 | developers of third party tools and libraries that use IPython should see the |
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8 | developers of third party tools and libraries that use IPython should see the | |
9 | :doc:`../development/index`. |
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9 | :doc:`../development/index`. | |
10 |
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10 | |||
11 |
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11 | |||
12 | For instructions on how to make a developer install see :ref:`devinstall`. |
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12 | For instructions on how to make a developer install see :ref:`devinstall`. | |
13 |
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13 | |||
14 | Backporting Pull requests |
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14 | Backporting Pull requests | |
15 | ------------------------- |
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15 | ------------------------- | |
16 |
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16 | |||
17 | All pull requests should usually be made against ``master``, if a Pull Request |
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17 | All pull requests should usually be made against ``master``, if a Pull Request | |
18 | need to be backported to an earlier release; then it should be tagged with the |
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18 | need to be backported to an earlier release; then it should be tagged with the | |
19 | correct ``milestone``. |
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19 | correct ``milestone``. | |
20 |
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20 | |||
21 | If you tag a pull request with a milestone **before** merging the pull request, |
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21 | If you tag a pull request with a milestone **before** merging the pull request, | |
22 | and the base ref is `master`, then our backport bot should automatically create |
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22 | and the base ref is ``master``, then our backport bot should automatically create | |
23 | a corresponding pull-request that backport on the correct branch. |
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23 | a corresponding pull-request that backport on the correct branch. | |
24 |
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24 | |||
25 |
If you |
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25 | If you have write access to the IPython repository you can also just mention the | |
26 | **backport bot** to do the work for you. The bot is evolving so instructions may |
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26 | **backport bot** to do the work for you. The bot is evolving so instructions may | |
27 | be different. At the time of this writing you can use:: |
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27 | be different. At the time of this writing you can use:: | |
28 |
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28 | |||
29 |
@meeseeksdev[bot] backport [to <branchname> |
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29 | @meeseeksdev[bot] backport [to] <branchname> | |
30 |
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30 | |||
31 | The bot will attempt to backport the current pull-request and issue a PR if |
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31 | The bot will attempt to backport the current pull-request and issue a PR if | |
32 | possible. If the milestone is set on the issue you can omit the branch to |
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32 | possible. | |
33 | backport to. |
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34 |
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33 | |||
35 | .. note:: |
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34 | .. note:: | |
36 |
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35 | |||
37 | The ``@`` and ``[bot]`` when mentioning the bot should be optional and can |
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36 | The ``@`` and ``[bot]`` when mentioning the bot should be optional and can | |
38 | be omitted. |
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37 | be omitted. | |
39 |
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38 | |||
40 | If the pull request cannot be automatically backported, the bot should tell you |
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39 | If the pull request cannot be automatically backported, the bot should tell you | |
41 | so on the PR and apply a "Need manual backport" tag to the origin PR. |
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40 | so on the PR and apply a "Need manual backport" tag to the origin PR. | |
42 |
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41 | |||
43 |
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42 | |||
44 | Backport with ghpro |
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43 | Backport with ghpro | |
45 | ------------------- |
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44 | ------------------- | |
46 |
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45 | |||
47 | We can also use `ghpro <https://pypi.python.org/pypi/ghpro>`_ |
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46 | We can also use `ghpro <https://pypi.python.org/pypi/ghpro>`_ | |
48 | to automatically list and apply the PR on other branches. For example: |
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47 | to automatically list and apply the PR on other branches. For example: | |
49 |
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48 | |||
50 | .. code-block:: bash |
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49 | .. code-block:: bash | |
51 |
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50 | |||
52 | $ backport-pr todo --milestone 5.2 |
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51 | $ backport-pr todo --milestone 5.2 | |
53 | [...snip..] |
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52 | [...snip..] | |
54 | The following PRs have been backported |
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53 | The following PRs have been backported | |
55 | 9848 |
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54 | 9848 | |
56 | 9851 |
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55 | 9851 | |
57 | 9953 |
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56 | 9953 | |
58 | 9955 |
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57 | 9955 | |
59 | The following PRs should be backported: |
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58 | The following PRs should be backported: | |
60 | 9417 |
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59 | 9417 | |
61 | 9863 |
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60 | 9863 | |
62 | 9925 |
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61 | 9925 | |
63 | 9947 |
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62 | 9947 | |
64 |
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63 | |||
65 | $ backport-pr apply 5.x 9947 |
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64 | $ backport-pr apply 5.x 9947 | |
66 | [...snip...] |
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65 | [...snip...] | |
67 |
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66 | |||
68 |
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67 | |||
69 | .. _release_process: |
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68 | .. _release_process: | |
70 |
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69 | |||
71 | ======================= |
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70 | ======================= | |
72 | IPython release process |
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71 | IPython release process | |
73 | ======================= |
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72 | ======================= | |
74 |
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73 | |||
75 | This document contains the process that is used to create an IPython release. |
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74 | This document contains the process that is used to create an IPython release. | |
76 |
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75 | |||
77 | Conveniently, the ``release`` script in the ``tools`` directory of the ``IPython`` |
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76 | Conveniently, the ``release`` script in the ``tools`` directory of the ``IPython`` | |
78 | repository automates most of the release process. This document serves as a |
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77 | repository automates most of the release process. This document serves as a | |
79 | handy reminder and checklist for the release manager. |
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78 | handy reminder and checklist for the release manager. | |
80 |
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79 | |||
81 | During the release process, you might need the extra following dependencies: |
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80 | During the release process, you might need the extra following dependencies: | |
82 |
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81 | |||
83 | - ``keyring`` to access your GitHub authentication tokens |
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82 | - ``keyring`` to access your GitHub authentication tokens | |
84 | - ``graphviz`` to generate some graphs in the documentation |
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83 | - ``graphviz`` to generate some graphs in the documentation | |
85 | - ``ghpro`` to generate the stats |
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84 | - ``ghpro`` to generate the stats | |
86 |
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85 | |||
87 | Make sure you have all the required dependencies to run the tests as well. |
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86 | Make sure you have all the required dependencies to run the tests as well. | |
88 |
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87 | |||
89 |
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88 | |||
90 | 1. Set Environment variables |
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89 | 1. Set Environment variables | |
91 | ---------------------------- |
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90 | ---------------------------- | |
92 |
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91 | |||
93 | Set environment variables to document previous release tag, current |
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92 | Set environment variables to document previous release tag, current | |
94 | release milestone, current release version, and git tag. |
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93 | release milestone, current release version, and git tag. | |
95 |
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94 | |||
96 | These variables may be used later to copy/paste as answers to the script |
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95 | These variables may be used later to copy/paste as answers to the script | |
97 | questions instead of typing the appropriate command when the time comes. These |
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96 | questions instead of typing the appropriate command when the time comes. These | |
98 | variables are not used by the scripts directly; therefore, there is no need to |
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97 | variables are not used by the scripts directly; therefore, there is no need to | |
99 | ``export`` them. The format for bash is as follows, but note that these values |
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98 | ``export`` them. The format for bash is as follows, but note that these values | |
100 | are just an example valid only for the 5.0 release; you'll need to update them |
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99 | are just an example valid only for the 5.0 release; you'll need to update them | |
101 | for the release you are actually making:: |
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100 | for the release you are actually making:: | |
102 |
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101 | |||
103 | PREV_RELEASE=4.2.1 |
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102 | PREV_RELEASE=4.2.1 | |
104 | MILESTONE=5.0 |
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103 | MILESTONE=5.0 | |
105 | VERSION=5.0.0 |
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104 | VERSION=5.0.0 | |
106 | BRANCH=master |
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105 | BRANCH=master | |
107 |
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106 | |||
108 |
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107 | |||
109 | 2. Create GitHub stats and finish release note |
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108 | 2. Create GitHub stats and finish release note | |
110 | ---------------------------------------------- |
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109 | ---------------------------------------------- | |
111 |
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110 | |||
112 | .. note:: |
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111 | .. note:: | |
113 |
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112 | |||
114 | This step is optional if making a Beta or RC release. |
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113 | This step is optional if making a Beta or RC release. | |
115 |
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114 | |||
116 | .. note:: |
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115 | .. note:: | |
117 |
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116 | |||
118 | Before generating the GitHub stats, verify that all closed issues and pull |
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117 | Before generating the GitHub stats, verify that all closed issues and pull | |
119 | requests have `appropriate milestones |
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118 | requests have `appropriate milestones | |
120 | <https://github.com/ipython/ipython/wiki/Dev:-GitHub-workflow#milestones>`_. |
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119 | <https://github.com/ipython/ipython/wiki/Dev:-GitHub-workflow#milestones>`_. | |
121 | `This search |
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120 | `This search | |
122 | <https://github.com/ipython/ipython/issues?q=is%3Aclosed+no%3Amilestone+is%3Aissue>`_ |
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121 | <https://github.com/ipython/ipython/issues?q=is%3Aclosed+no%3Amilestone+is%3Aissue>`_ | |
123 | should return no results before creating the GitHub stats. |
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122 | should return no results before creating the GitHub stats. | |
124 |
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123 | |||
125 | If a major release: |
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124 | If a major release: | |
126 |
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125 | |||
127 | - merge any pull request notes into what's new:: |
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126 | - merge any pull request notes into what's new:: | |
128 |
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127 | |||
129 | python tools/update_whatsnew.py |
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128 | python tools/update_whatsnew.py | |
130 |
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129 | |||
131 | - update ``docs/source/whatsnew/development.rst``, to ensure it covers |
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130 | - update ``docs/source/whatsnew/development.rst``, to ensure it covers | |
132 | the major release features |
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131 | the major release features | |
133 |
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132 | |||
134 | - move the contents of ``development.rst`` to ``versionX.rst`` where ``X`` is |
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133 | - move the contents of ``development.rst`` to ``versionX.rst`` where ``X`` is | |
135 | the numerical release version |
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134 | the numerical release version | |
136 |
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135 | |||
137 | - generate summary of GitHub contributions, which can be done with:: |
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136 | - generate summary of GitHub contributions, which can be done with:: | |
138 |
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137 | |||
139 | python tools/github_stats.py --milestone $MILESTONE > stats.rst |
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138 | python tools/github_stats.py --milestone $MILESTONE > stats.rst | |
140 |
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139 | |||
141 | which may need some manual cleanup of ``stats.rst``. Add the cleaned |
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140 | which may need some manual cleanup of ``stats.rst``. Add the cleaned | |
142 | ``stats.rst`` results to ``docs/source/whatsnew/github-stats-X.rst`` |
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141 | ``stats.rst`` results to ``docs/source/whatsnew/github-stats-X.rst`` | |
143 | where ``X`` is the numerical release version (don't forget to add it to |
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142 | where ``X`` is the numerical release version (don't forget to add it to | |
144 | the git repository as well). If creating a major release, make a new |
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143 | the git repository as well). If creating a major release, make a new | |
145 | ``github-stats-X.rst`` file; if creating a minor release, the content |
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144 | ``github-stats-X.rst`` file; if creating a minor release, the content | |
146 | from ``stats.rst`` may simply be added to the top of an existing |
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145 | from ``stats.rst`` may simply be added to the top of an existing | |
147 | ``github-stats-X.rst`` file. |
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146 | ``github-stats-X.rst`` file. | |
148 |
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147 | |||
149 | - Edit ``docs/source/whatsnew/index.rst`` to list the new ``github-stats-X`` |
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148 | - Edit ``docs/source/whatsnew/index.rst`` to list the new ``github-stats-X`` | |
150 | file you just created. |
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149 | file you just created. | |
151 |
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150 | |||
152 | - Remove temporarily the first entry called ``development`` (you'll need to |
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151 | - You do not need to temporarily remove the first entry called | |
153 | add it back after release). |
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152 | ``development``, nor re-add it after the release, it will automatically be | |
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153 | hidden when releasing a stable version of IPython (if ``_version_extra`` | |||
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154 | in ``release.py`` is an empty string. | |||
154 |
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155 | |||
155 | Make sure that the stats file has a header or it won't be rendered in |
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156 | Make sure that the stats file has a header or it won't be rendered in | |
156 | the final documentation. |
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157 | the final documentation. | |
157 |
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158 | |||
158 | To find duplicates and update `.mailmap`, use:: |
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159 | To find duplicates and update `.mailmap`, use:: | |
159 |
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160 | |||
160 | git log --format="%aN <%aE>" $PREV_RELEASE... | sort -u -f |
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161 | git log --format="%aN <%aE>" $PREV_RELEASE... | sort -u -f | |
161 |
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162 | |||
162 | If a minor release you might need to do some of the above points manually, and |
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163 | If a minor release you might need to do some of the above points manually, and | |
163 | forward port the changes. |
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164 | forward port the changes. | |
164 |
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165 | |||
165 | 3. Make sure the repository is clean |
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166 | 3. Make sure the repository is clean | |
166 | ------------------------------------ |
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167 | ------------------------------------ | |
167 |
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168 | |||
168 | of any file that could be problematic. |
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169 | of any file that could be problematic. | |
169 | Remove all non-tracked files with: |
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170 | Remove all non-tracked files with: | |
170 |
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171 | |||
171 | .. code:: |
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172 | .. code:: | |
172 |
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173 | |||
173 | git clean -xfdi |
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174 | git clean -xfdi | |
174 |
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175 | |||
175 | This will ask for confirmation before removing all untracked files. Make |
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176 | This will ask for confirmation before removing all untracked files. Make | |
176 | sure the ``dist/`` folder is clean to avoid any stale builds from |
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177 | sure the ``dist/`` folder is clean to avoid any stale builds from | |
177 | previous build attempts. |
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178 | previous build attempts. | |
178 |
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179 | |||
179 |
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180 | |||
180 | 4. Update the release version number |
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181 | 4. Update the release version number | |
181 | ------------------------------------ |
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182 | ------------------------------------ | |
182 |
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183 | |||
183 | Edit ``IPython/core/release.py`` to have the current version. |
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184 | Edit ``IPython/core/release.py`` to have the current version. | |
184 |
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185 | |||
185 | in particular, update version number and ``_version_extra`` content in |
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186 | in particular, update version number and ``_version_extra`` content in | |
186 | ``IPython/core/release.py``. |
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187 | ``IPython/core/release.py``. | |
187 |
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188 | |||
188 | Step 5 will validate your changes automatically, but you might still want to |
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189 | Step 5 will validate your changes automatically, but you might still want to | |
189 | make sure the version number matches pep440. |
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190 | make sure the version number matches pep440. | |
190 |
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191 | |||
191 | In particular, ``rc`` and ``beta`` are not separated by ``.`` or the ``sdist`` |
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192 | In particular, ``rc`` and ``beta`` are not separated by ``.`` or the ``sdist`` | |
192 | and ``bdist`` will appear as different releases. For example, a valid version |
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193 | and ``bdist`` will appear as different releases. For example, a valid version | |
193 | number for a release candidate (rc) release is: ``1.3rc1``. Notice that there |
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194 | number for a release candidate (rc) release is: ``1.3rc1``. Notice that there | |
194 | is no separator between the '3' and the 'r'. Check the environment variable |
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195 | is no separator between the '3' and the 'r'. Check the environment variable | |
195 | ``$VERSION`` as well. |
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196 | ``$VERSION`` as well. | |
196 |
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197 | |||
197 | You will likely just have to modify/comment/uncomment one of the lines setting |
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198 | You will likely just have to modify/comment/uncomment one of the lines setting | |
198 | ``_version_extra`` |
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199 | ``_version_extra`` | |
199 |
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200 | |||
200 |
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201 | |||
201 | 5. Run the `tools/build_release` script |
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202 | 5. Run the `tools/build_release` script | |
202 | --------------------------------------- |
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203 | --------------------------------------- | |
203 |
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204 | |||
204 | Running ``tools/build_release`` does all the file checking and building that |
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205 | Running ``tools/build_release`` does all the file checking and building that | |
205 | the real release script will do. This makes test installations, checks that |
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206 | the real release script will do. This makes test installations, checks that | |
206 | the build procedure runs OK, and tests other steps in the release process. |
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207 | the build procedure runs OK, and tests other steps in the release process. | |
207 |
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208 | |||
208 | The ``build_release`` script will in particular verify that the version number |
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209 | The ``build_release`` script will in particular verify that the version number | |
209 | match PEP 440, in order to avoid surprise at the time of build upload. |
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210 | match PEP 440, in order to avoid surprise at the time of build upload. | |
210 |
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211 | |||
211 | We encourage creating a test build of the docs as well. |
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212 | We encourage creating a test build of the docs as well. | |
212 |
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213 | |||
213 | 6. Create and push the new tag |
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214 | 6. Create and push the new tag | |
214 | ------------------------------ |
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215 | ------------------------------ | |
215 |
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216 | |||
216 | Commit the changes to release.py:: |
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217 | Commit the changes to release.py:: | |
217 |
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218 | |||
218 | git commit -am "release $VERSION" |
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219 | git commit -am "release $VERSION" | |
219 | git push origin $BRANCH |
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220 | git push origin $BRANCH | |
220 |
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221 | |||
221 | Create and push the tag:: |
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222 | Create and push the tag:: | |
222 |
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223 | |||
223 | git tag -am "release $VERSION" "$VERSION" |
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224 | git tag -am "release $VERSION" "$VERSION" | |
224 | git push origin --tags |
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225 | git push origin --tags | |
225 |
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226 | |||
226 | Update release.py back to ``x.y-dev`` or ``x.y-maint``, and re-add the |
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227 | Update release.py back to ``x.y-dev`` or ``x.y-maint``, and re-add the | |
227 | ``development`` entry in ``docs/source/whatsnew/index.rst`` and push:: |
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228 | ``development`` entry in ``docs/source/whatsnew/index.rst`` and push:: | |
228 |
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229 | |||
229 | git commit -am "back to development" |
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230 | git commit -am "back to development" | |
230 | git push origin $BRANCH |
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231 | git push origin $BRANCH | |
231 |
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232 | |||
232 | Now checkout the tag we just made:: |
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233 | Now checkout the tag we just made:: | |
233 |
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234 | |||
234 | git checkout $VERSION |
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235 | git checkout $VERSION | |
235 |
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236 | |||
236 | 7. Run the release script |
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237 | 7. Run the release script | |
237 | ------------------------- |
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238 | ------------------------- | |
238 |
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239 | |||
239 | Run the ``release`` script, this step requires having a current wheel, Python |
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240 | Run the ``release`` script, this step requires having a current wheel, Python | |
240 | >=3.4 and Python 2.7.:: |
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241 | >=3.4 and Python 2.7.:: | |
241 |
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242 | |||
242 | ./tools/release |
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243 | ./tools/release | |
243 |
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244 | |||
244 | This makes the tarballs and wheels, and puts them under the ``dist/`` |
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245 | This makes the tarballs and wheels, and puts them under the ``dist/`` | |
245 | folder. Be sure to test the ``wheels`` and the ``sdist`` locally before |
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246 | folder. Be sure to test the ``wheels`` and the ``sdist`` locally before | |
246 | uploading them to PyPI. We do not use an universal wheel as each wheel |
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247 | uploading them to PyPI. We do not use an universal wheel as each wheel | |
247 | installs an ``ipython2`` or ``ipython3`` script, depending on the version of |
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248 | installs an ``ipython2`` or ``ipython3`` script, depending on the version of | |
248 | Python it is built for. Using an universal wheel would prevent this. |
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249 | Python it is built for. Using an universal wheel would prevent this. | |
249 |
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250 | |||
250 | Use the following to actually upload the result of the build:: |
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251 | Use the following to actually upload the result of the build:: | |
251 |
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252 | |||
252 | ./tools/release upload |
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253 | ./tools/release upload | |
253 |
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254 | |||
254 | It should posts them to ``archive.ipython.org`` and to PyPI. |
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255 | It should posts them to ``archive.ipython.org`` and to PyPI. | |
255 |
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256 | |||
256 | PyPI/Warehouse will automatically hide previous releases. If you are uploading |
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257 | PyPI/Warehouse will automatically hide previous releases. If you are uploading | |
257 | a non-stable version, make sure to log-in to PyPI and un-hide previous version. |
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258 | a non-stable version, make sure to log-in to PyPI and un-hide previous version. | |
258 |
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259 | |||
259 |
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260 | |||
260 | 8. Draft a short release announcement |
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261 | 8. Draft a short release announcement | |
261 | ------------------------------------- |
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262 | ------------------------------------- | |
262 |
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263 | |||
263 | The announcement should include: |
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264 | The announcement should include: | |
264 |
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265 | |||
265 | - release highlights |
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266 | - release highlights | |
266 | - a link to the html version of the *What's new* section of the documentation |
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267 | - a link to the html version of the *What's new* section of the documentation | |
267 | - a link to upgrade or installation tips (if necessary) |
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268 | - a link to upgrade or installation tips (if necessary) | |
268 |
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269 | |||
269 | Post the announcement to the mailing list and or blog, and link from Twitter. |
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270 | Post the announcement to the mailing list and or blog, and link from Twitter. | |
270 |
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271 | |||
271 | .. note:: |
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272 | .. note:: | |
272 |
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273 | |||
273 | If you are doing a RC or Beta, you can likely skip the next steps. |
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274 | If you are doing a RC or Beta, you can likely skip the next steps. | |
274 |
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275 | |||
275 | 9. Update milestones on GitHub |
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276 | 9. Update milestones on GitHub | |
276 | ------------------------------- |
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277 | ------------------------------- | |
277 |
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278 | |||
278 | These steps will bring milestones up to date: |
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279 | These steps will bring milestones up to date: | |
279 |
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280 | |||
280 | - close the just released milestone |
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281 | - close the just released milestone | |
281 | - open a new milestone for the next release (x, y+1), if the milestone doesn't |
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282 | - open a new milestone for the next release (x, y+1), if the milestone doesn't | |
282 | exist already |
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283 | exist already | |
283 |
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284 | |||
284 | 10. Update the IPython website |
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285 | 10. Update the IPython website | |
285 | ------------------------------ |
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286 | ------------------------------ | |
286 |
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287 | |||
287 | The IPython website should document the new release: |
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288 | The IPython website should document the new release: | |
288 |
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289 | |||
289 | - add release announcement (news, announcements) |
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290 | - add release announcement (news, announcements) | |
290 | - update current version and download links |
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291 | - update current version and download links | |
291 | - update links on the documentation page (especially if a major release) |
|
292 | - update links on the documentation page (especially if a major release) | |
292 |
|
293 | |||
293 | 11. Update readthedocs |
|
294 | 11. Update readthedocs | |
294 | ---------------------- |
|
295 | ---------------------- | |
295 |
|
296 | |||
296 | Make sure to update readthedocs and set the latest tag as stable, as well as |
|
297 | Make sure to update readthedocs and set the latest tag as stable, as well as | |
297 | checking that previous release is still building under its own tag. |
|
298 | checking that previous release is still building under its own tag. | |
298 |
|
299 | |||
299 | 12. Update the Conda-Forge feedstock |
|
300 | 12. Update the Conda-Forge feedstock | |
300 | ------------------------------------ |
|
301 | ------------------------------------ | |
301 |
|
302 | |||
302 | Follow the instructions on `the repository <https://github.com/conda-forge/ipython-feedstock>`_ |
|
303 | Follow the instructions on `the repository <https://github.com/conda-forge/ipython-feedstock>`_ | |
303 |
|
304 | |||
304 | 13. Celebrate! |
|
305 | 13. Celebrate! | |
305 | -------------- |
|
306 | -------------- | |
306 |
|
307 | |||
307 | Celebrate the release and please thank the contributors for their work. Great |
|
308 | Celebrate the release and please thank the contributors for their work. Great | |
308 | job! |
|
309 | job! | |
309 |
|
310 | |||
310 |
|
311 | |||
311 |
|
312 | |||
312 | Old Documentation |
|
313 | Old Documentation | |
313 | ================= |
|
314 | ================= | |
314 |
|
315 | |||
315 | Out of date documentation is still available and have been kept for archival purposes. |
|
316 | Out of date documentation is still available and have been kept for archival purposes. | |
316 |
|
317 | |||
317 | .. note:: |
|
318 | .. note:: | |
318 |
|
319 | |||
319 | Developers documentation used to be on the IPython wiki, but are now out of |
|
320 | Developers documentation used to be on the IPython wiki, but are now out of | |
320 | date. The wiki is though still available for historical reasons: `Old IPython |
|
321 | date. The wiki is though still available for historical reasons: `Old IPython | |
321 | GitHub Wiki. <https://github.com/ipython/ipython/wiki/Dev:-Index>`_ |
|
322 | GitHub Wiki. <https://github.com/ipython/ipython/wiki/Dev:-Index>`_ |
@@ -1,46 +1,62 b'' | |||||
1 | .. Developers should add in this file, during each release cycle, information |
|
1 | .. Developers should add in this file, during each release cycle, information | |
2 | .. about important changes they've made, in a summary format that's meant for |
|
2 | .. about important changes they've made, in a summary format that's meant for | |
3 | .. end users. For each release we normally have three sections: features, bug |
|
3 | .. end users. For each release we normally have three sections: features, bug | |
4 | .. fixes and api breakage. |
|
4 | .. fixes and api breakage. | |
5 | .. Please remember to credit the authors of the contributions by name, |
|
5 | .. Please remember to credit the authors of the contributions by name, | |
6 | .. especially when they are new users or developers who do not regularly |
|
6 | .. especially when they are new users or developers who do not regularly | |
7 | .. participate in IPython's development. |
|
7 | .. participate in IPython's development. | |
8 |
|
8 | |||
9 | .. _whatsnew_index: |
|
9 | .. _whatsnew_index: | |
10 |
|
10 | |||
11 | ===================== |
|
11 | ===================== | |
12 | What's new in IPython |
|
12 | What's new in IPython | |
13 | ===================== |
|
13 | ===================== | |
14 |
|
14 | |||
|
15 | .. this will appear in the docs if we are nto releasing a versin (ie is | |||
|
16 | .. _version_extra in release.py is empty stringA | |||
|
17 | ||||
|
18 | .. only:: ipydev | |||
|
19 | ||||
|
20 | Developpement version in-progress features: | |||
|
21 | ||||
|
22 | .. toctree:: | |||
|
23 | development | |||
|
24 | ||||
|
25 | .. this make a hidden toctree that avoid sphinx to complain about documents | |||
|
26 | .. included nowhere when building docs for stable | |||
|
27 | .. only:: ipystable | |||
|
28 | .. toctree:: | |||
|
29 | :hidden: | |||
|
30 | development | |||
|
31 | ||||
15 | This section documents the changes that have been made in various versions of |
|
32 | This section documents the changes that have been made in various versions of | |
16 | IPython. Users should consult these pages to learn about new features, bug |
|
33 | IPython. Users should consult these pages to learn about new features, bug | |
17 | fixes and backwards incompatibilities. Developers should summarize the |
|
34 | fixes and backwards incompatibilities. Developers should summarize the | |
18 | development work they do here in a user friendly format. |
|
35 | development work they do here in a user friendly format. | |
19 |
|
36 | |||
20 | .. toctree:: |
|
37 | .. toctree:: | |
21 | :maxdepth: 1 |
|
38 | :maxdepth: 1 | |
22 |
|
39 | |||
23 | development |
|
|||
24 | version7 |
|
40 | version7 | |
25 | version6 |
|
41 | version6 | |
26 | github-stats-6 |
|
42 | github-stats-6 | |
27 | version5 |
|
43 | version5 | |
28 | github-stats-5 |
|
44 | github-stats-5 | |
29 | version4 |
|
45 | version4 | |
30 | github-stats-4 |
|
46 | github-stats-4 | |
31 | version3 |
|
47 | version3 | |
32 | github-stats-3 |
|
48 | github-stats-3 | |
33 | version3_widget_migration |
|
49 | version3_widget_migration | |
34 | version2.0 |
|
50 | version2.0 | |
35 | github-stats-2.0 |
|
51 | github-stats-2.0 | |
36 | version1.0 |
|
52 | version1.0 | |
37 | github-stats-1.0 |
|
53 | github-stats-1.0 | |
38 | version0.13 |
|
54 | version0.13 | |
39 | github-stats-0.13 |
|
55 | github-stats-0.13 | |
40 | version0.12 |
|
56 | version0.12 | |
41 | github-stats-0.12 |
|
57 | github-stats-0.12 | |
42 | version0.11 |
|
58 | version0.11 | |
43 | github-stats-0.11 |
|
59 | github-stats-0.11 | |
44 | version0.10 |
|
60 | version0.10 | |
45 | version0.9 |
|
61 | version0.9 | |
46 | version0.8 |
|
62 | version0.8 |
@@ -1,214 +1,215 b'' | |||||
1 | ============ |
|
1 | ============ | |
2 | 7.x Series |
|
2 | 7.x Series | |
3 | ============ |
|
3 | ============ | |
4 |
|
4 | |||
5 | .. _whatsnew700: |
|
5 | .. _whatsnew700: | |
6 |
|
6 | |||
7 | IPython 7.0.0 |
|
7 | IPython 7.0.0 | |
8 | ============= |
|
8 | ============= | |
9 |
|
9 | |||
10 | .. warning:: |
|
10 | .. warning:: | |
11 |
|
11 | |||
12 | IPython 7.0 is currently in Beta, Feedback on API/changes and |
|
12 | IPython 7.0 is currently in Beta, Feedback on API/changes and | |
13 | addition/updates to this cahngelog are welcomed. |
|
13 | addition/updates to this cahngelog are welcomed. | |
14 |
|
14 | |||
15 | Released .... ...., 2017 |
|
15 | Released .... ...., 2017 | |
16 |
|
16 | |||
17 | IPython 7 include major features improvement as you can read in the following |
|
17 | IPython 7 include major features improvement as you can read in the following | |
18 | changelog. This is also the second major version of IPython to stop support only |
|
18 | changelog. This is also the second major version of IPython to stop support only | |
19 | Python 3 βΒ starting at Python 3.4. Python 2 is still still community supported |
|
19 | Python 3 βΒ starting at Python 3.4. Python 2 is still still community supported | |
20 | on the bugfix only 5.x branch, but we remind you that Python 2 EOL is Jan 1st |
|
20 | on the bugfix only 5.x branch, but we remind you that Python 2 EOL is Jan 1st | |
21 | 2020. |
|
21 | 2020. | |
22 |
|
22 | |||
23 | We were able to backport bug fixes to the 5.x branch thanks to our backport bot which |
|
23 | We were able to backport bug fixes to the 5.x branch thanks to our backport bot which | |
24 | backported more than `70 Pull-Requests |
|
24 | backported more than `70 Pull-Requests | |
25 | <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 manually work, and this is an area of the project were you can easily contribute by looking for `PRs still needed backport<https://github.com/ipython/ipython/issues?q=label%3A%22Still+Needs+Manual+Backport%22+is%3Aclosed+sort%3Aupdated-desc>`_ |
|
25 | <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 manually work, and this is an area of the project were you can easily contribute by looking for `PRs still needed backport <https://github.com/ipython/ipython/issues?q=label%3A%22Still+Needs+Manual+Backport%22+is%3Aclosed+sort%3Aupdated-desc>`_ | |
26 |
|
26 | |||
27 | IPython 6.x branch will likely not see any further release unless we critical |
|
27 | IPython 6.x branch will likely not see any further release unless we critical | |
28 | bugs are found. |
|
28 | bugs are found. | |
29 |
|
29 | |||
30 | Make sure you have pip > 9.0 before upgrading. You should be able to update by simply runngin |
|
30 | Make sure you have pip > 9.0 before upgrading. You should be able to update by simply runngin | |
31 |
|
31 | |||
32 | .. code:: |
|
32 | .. code:: | |
33 |
|
33 | |||
34 | pip install ipython --upgrade |
|
34 | pip install ipython --upgrade | |
35 |
|
35 | |||
36 | Or if you have conda installed: |
|
36 | Or if you have conda installed: | |
37 |
|
37 | |||
38 | .. code:: |
|
38 | .. code:: | |
39 |
|
39 | |||
40 | conda install ipython |
|
40 | conda install ipython | |
41 |
|
41 | |||
42 |
|
42 | |||
43 |
|
43 | |||
44 | Prompt Toolkit 2.0 |
|
44 | Prompt Toolkit 2.0 | |
45 | ------------------ |
|
45 | ------------------ | |
46 |
|
46 | |||
47 | IPython 7.0+ now use ``prompt_toolkit 2.0``, if you still need to use earlier |
|
47 | IPython 7.0+ now use ``prompt_toolkit 2.0``, if you still need to use earlier | |
48 | ``prompt_toolkit`` version you may need to pin IPython to ``<7.0``. |
|
48 | ``prompt_toolkit`` version you may need to pin IPython to ``<7.0``. | |
49 |
|
49 | |||
50 | Autowait: Asynchronous REPL |
|
50 | Autowait: Asynchronous REPL | |
51 | --------------------------- |
|
51 | --------------------------- | |
52 |
|
52 | |||
53 | Staring with IPython 7.0 and on Python 3.6+, IPython can automatically await |
|
53 | Staring with IPython 7.0 and on Python 3.6+, IPython can automatically await | |
54 | code at top level, you should not need to access an event loop or runner |
|
54 | code at top level, you should not need to access an event loop or runner | |
55 | yourself. To know more read the :ref:`autoawait` section of our docs, see |
|
55 | yourself. To know more read the :ref:`autoawait` section of our docs, see | |
56 | :ghpull:`11265` or try the following code:: |
|
56 | :ghpull:`11265` or try the following code:: | |
57 |
|
57 | |||
58 | Python 3.6.0 |
|
58 | Python 3.6.0 | |
59 | Type 'copyright', 'credits' or 'license' for more information |
|
59 | Type 'copyright', 'credits' or 'license' for more information | |
60 | IPython 7.0.0 -- An enhanced Interactive Python. Type '?' for help. |
|
60 | IPython 7.0.0 -- An enhanced Interactive Python. Type '?' for help. | |
61 |
|
61 | |||
62 | In [1]: import aiohttp |
|
62 | In [1]: import aiohttp | |
63 | ...: result = aiohttp.get('https://api.github.com') |
|
63 | ...: result = aiohttp.get('https://api.github.com') | |
64 |
|
64 | |||
65 | In [2]: response = await result |
|
65 | In [2]: response = await result | |
66 | <pause for a few 100s ms> |
|
66 | <pause for a few 100s ms> | |
67 |
|
67 | |||
68 | In [3]: await response.json() |
|
68 | In [3]: await response.json() | |
69 | Out[3]: |
|
69 | Out[3]: | |
70 | {'authorizations_url': 'https://api.github.com/authorizations', |
|
70 | {'authorizations_url': 'https://api.github.com/authorizations', | |
71 | 'code_search_url': 'https://api.github.com/search/code?q={query}{&page,per_page,sort,order}', |
|
71 | 'code_search_url': 'https://api.github.com/search/code?q={query}{&page,per_page,sort,order}', | |
72 | ... |
|
72 | ... | |
73 | } |
|
73 | } | |
74 |
|
74 | |||
75 | .. note:: |
|
75 | .. note:: | |
76 |
|
76 | |||
77 | Async integration is experimental code, behavior may change or be removed |
|
77 | Async integration is experimental code, behavior may change or be removed | |
78 | between Python and IPython versions without warnings. |
|
78 | between Python and IPython versions without warnings. | |
79 |
|
79 | |||
80 | Integration is by default with `asyncio`, but other libraries can be configured, |
|
80 | Integration is by default with `asyncio`, but other libraries can be configured, | |
81 | like ``curio`` or ``trio``, to improve concurrency in the REPL:: |
|
81 | like ``curio`` or ``trio``, to improve concurrency in the REPL:: | |
82 |
|
82 | |||
83 | In [1]: %autoawait trio |
|
83 | In [1]: %autoawait trio | |
84 |
|
84 | |||
85 | In [2]: import trio |
|
85 | In [2]: import trio | |
86 |
|
86 | |||
87 | In [3]: async def child(i): |
|
87 | In [3]: async def child(i): | |
88 | ...: print(" child %s goes to sleep"%i) |
|
88 | ...: print(" child %s goes to sleep"%i) | |
89 | ...: await trio.sleep(2) |
|
89 | ...: await trio.sleep(2) | |
90 | ...: print(" child %s wakes up"%i) |
|
90 | ...: print(" child %s wakes up"%i) | |
91 |
|
91 | |||
92 | In [4]: print('parent start') |
|
92 | In [4]: print('parent start') | |
93 | ...: async with trio.open_nursery() as n: |
|
93 | ...: async with trio.open_nursery() as n: | |
94 | ...: for i in range(3): |
|
94 | ...: for i in range(3): | |
95 | ...: n.spawn(child, i) |
|
95 | ...: n.spawn(child, i) | |
96 | ...: print('parent end') |
|
96 | ...: print('parent end') | |
97 | parent start |
|
97 | parent start | |
98 | child 2 goes to sleep |
|
98 | child 2 goes to sleep | |
99 | child 0 goes to sleep |
|
99 | child 0 goes to sleep | |
100 | child 1 goes to sleep |
|
100 | child 1 goes to sleep | |
101 | <about 2 seconds pause> |
|
101 | <about 2 seconds pause> | |
102 | child 2 wakes up |
|
102 | child 2 wakes up | |
103 | child 1 wakes up |
|
103 | child 1 wakes up | |
104 | child 0 wakes up |
|
104 | child 0 wakes up | |
105 | parent end |
|
105 | parent end | |
106 |
|
106 | |||
107 | See :ref:`autoawait` for more information. |
|
107 | See :ref:`autoawait` for more information. | |
108 |
|
108 | |||
109 |
|
109 | |||
110 | Asynchronous code in a Notebook interface or any other frontend using the |
|
110 | Asynchronous code in a Notebook interface or any other frontend using the | |
111 | Jupyter Protocol will need further updates of the IPykernel package. |
|
111 | Jupyter Protocol will need further updates of the IPykernel package. | |
112 |
|
112 | |||
113 | Non-Asynchronous code |
|
113 | Non-Asynchronous code | |
114 | ~~~~~~~~~~~~~~~~~~~~~ |
|
114 | ~~~~~~~~~~~~~~~~~~~~~ | |
115 |
|
115 | |||
116 | As the internal API of IPython are now asynchronous, IPython need to run under |
|
116 | As the internal API of IPython are now asynchronous, IPython need to run under | |
117 | an even loop. In order to allow many workflow, (like using the ``%run`` magic, |
|
117 | an even loop. In order to allow many workflow, (like using the ``%run`` magic, | |
118 | or copy_pasting code that explicitly starts/stop event loop), when top-level code |
|
118 | or copy_pasting code that explicitly starts/stop event loop), when top-level code | |
119 | is detected as not being asynchronous, IPython code is advanced via a |
|
119 | is detected as not being asynchronous, IPython code is advanced via a | |
120 | pseudo-synchronous runner, and will not may not advance pending tasks. |
|
120 | pseudo-synchronous runner, and will not may not advance pending tasks. | |
121 |
|
121 | |||
122 | Change to Nested Embed |
|
122 | Change to Nested Embed | |
123 | ~~~~~~~~~~~~~~~~~~~~~~ |
|
123 | ~~~~~~~~~~~~~~~~~~~~~~ | |
124 |
|
124 | |||
125 | The introduction of the ability to run async code had some effect on the |
|
125 | The introduction of the ability to run async code had some effect on the | |
126 | ``IPython.embed()`` API. By default embed will not allow you to run asynchronous |
|
126 | ``IPython.embed()`` API. By default embed will not allow you to run asynchronous | |
127 | code unless a event loop is specified. |
|
127 | code unless a event loop is specified. | |
128 |
|
128 | |||
129 | Effects on Magics |
|
129 | Effects on Magics | |
130 | ~~~~~~~~~~~~~~~~~ |
|
130 | ~~~~~~~~~~~~~~~~~ | |
131 |
|
131 | |||
132 | Some magics will not work with Async, and will need updates. Contribution |
|
132 | Some magics will not work with Async, and will need updates. Contribution | |
133 | welcome. |
|
133 | welcome. | |
134 |
|
134 | |||
135 | Expected Future changes |
|
135 | Expected Future changes | |
136 | ~~~~~~~~~~~~~~~~~~~~~~~ |
|
136 | ~~~~~~~~~~~~~~~~~~~~~~~ | |
137 |
|
137 | |||
138 | We expect more internal but public IPython function to become ``async``, and |
|
138 | We expect more internal but public IPython function to become ``async``, and | |
139 | will likely end up having a persisting event loop while IPython is running. |
|
139 | will likely end up having a persisting event loop while IPython is running. | |
140 |
|
140 | |||
141 | Thanks |
|
141 | Thanks | |
142 | ~~~~~~ |
|
142 | ~~~~~~ | |
143 |
|
143 | |||
144 | This took more than a year in the making, and the code was rebased a number of |
|
144 | This took more than a year in the making, and the code was rebased a number of | |
145 | time leading to commit authorship that may have been lost in the final |
|
145 | time leading to commit authorship that may have been lost in the final | |
146 | Pull-Request. Huge thanks to many people for contribution, discussion, code, |
|
146 | Pull-Request. Huge thanks to many people for contribution, discussion, code, | |
147 | documentation, use-case: dalejung, danielballan, ellisonbg, fperez, gnestor, |
|
147 | documentation, use-case: dalejung, danielballan, ellisonbg, fperez, gnestor, | |
148 | minrk, njsmith, pganssle, tacaswell, takluyver , vidartf ... And many other. |
|
148 | minrk, njsmith, pganssle, tacaswell, takluyver , vidartf ... And many other. | |
149 |
|
149 | |||
150 |
|
150 | |||
151 | Autoreload Improvment |
|
151 | Autoreload Improvment | |
152 | --------------------- |
|
152 | --------------------- | |
153 |
|
153 | |||
154 | The magic ``%autoreload 2`` now captures new methods added to classes. Earlier, only methods existing as of the initial import were being tracked and updated. |
|
154 | The magic ``%autoreload 2`` now captures new methods added to classes. Earlier, only methods existing as of the initial import were being tracked and updated. | |
155 |
|
155 | |||
156 | This new feature helps dual environment development - Jupyter+IDE - where the code gradually moves from notebook cells to package files, as it gets structured. |
|
156 | This new feature helps dual environment development - Jupyter+IDE - where the code gradually moves from notebook cells to package files, as it gets structured. | |
157 |
|
157 | |||
158 | **Example**: An instance of the class `MyClass` will be able to access the method `cube()` after it is uncommented and the file `file1.py` saved on disk. |
|
158 | **Example**: An instance of the class `MyClass` will be able to access the method `cube()` after it is uncommented and the file `file1.py` saved on disk. | |
159 |
|
159 | |||
160 |
|
160 | |||
161 | ..code:: |
|
161 | ..code:: | |
162 |
|
162 | |||
163 | # notebook |
|
163 | # notebook | |
164 |
|
164 | |||
165 | from mymodule import MyClass |
|
165 | from mymodule import MyClass | |
166 | first = MyClass(5) |
|
166 | first = MyClass(5) | |
167 |
|
167 | |||
168 | .. code:: |
|
168 | .. code:: | |
|
169 | ||||
169 | # mymodule/file1.py |
|
170 | # mymodule/file1.py | |
170 |
|
171 | |||
171 | class MyClass: |
|
172 | class MyClass: | |
172 |
|
173 | |||
173 | def __init__(self, a=10): |
|
174 | def __init__(self, a=10): | |
174 | self.a = a |
|
175 | self.a = a | |
175 |
|
176 | |||
176 | def square(self): |
|
177 | def square(self): | |
177 | print('compute square') |
|
178 | print('compute square') | |
178 | return self.a*self.a |
|
179 | return self.a*self.a | |
179 |
|
180 | |||
180 | # def cube(self): |
|
181 | # def cube(self): | |
181 | # print('compute cube') |
|
182 | # print('compute cube') | |
182 | # return self.a*self.a*self.a |
|
183 | # return self.a*self.a*self.a | |
183 |
|
184 | |||
184 |
|
185 | |||
185 |
|
186 | |||
186 |
|
187 | |||
187 | Misc |
|
188 | Misc | |
188 | ---- |
|
189 | ---- | |
189 |
|
190 | |||
190 | The autoindent feature that was deprecated in 5.x was re-enabled and |
|
191 | The autoindent feature that was deprecated in 5.x was re-enabled and | |
191 | un-deprecated in :ghpull:`11257` |
|
192 | un-deprecated in :ghpull:`11257` | |
192 |
|
193 | |||
193 | Make ``%run -n -i ...`` work correctly. Earlier, if ``%run`` was passed both arguments, ``-n`` would be silently ignored. See :ghpull:`10308` |
|
194 | Make ``%run -n -i ...`` work correctly. Earlier, if ``%run`` was passed both arguments, ``-n`` would be silently ignored. See :ghpull:`10308` | |
194 |
|
195 | |||
195 |
|
196 | |||
196 |
|
197 | |||
197 |
|
198 | |||
198 |
|
199 | |||
199 | Deprecations |
|
200 | Deprecations | |
200 | ------------ |
|
201 | ------------ | |
201 |
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202 | |||
202 | A couple of unused function and methods have been deprecated and will be removed |
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203 | A couple of unused function and methods have been deprecated and will be removed | |
203 | in future versions: |
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204 | in future versions: | |
204 |
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205 | |||
205 | - ``IPython.utils.io.raw_print_err`` |
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206 | - ``IPython.utils.io.raw_print_err`` | |
206 | - ``IPython.utils.io.raw_print`` |
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207 | - ``IPython.utils.io.raw_print`` | |
207 |
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208 | |||
208 |
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209 | |||
209 | Backwards incompatible changes |
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210 | Backwards incompatible changes | |
210 | ------------------------------ |
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211 | ------------------------------ | |
211 |
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212 | |||
212 | * The API for transforming input before it is parsed as Python code has been |
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213 | * The API for transforming input before it is parsed as Python code has been | |
213 | completely redesigned, and any custom input transformations will need to be |
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214 | completely redesigned, and any custom input transformations will need to be | |
214 | rewritten. See :doc:`/config/inputtransforms` for details of the new API. |
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215 | rewritten. See :doc:`/config/inputtransforms` for details of the new API. |
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