Mercurial > kallithea
annotate docs/contributing.rst @ 8594:3c503044e9f1
mysql: bump sqlalchemy.url MariaDB/MySQL charset to to 'utf8mb4' to get full UTF-8 support
The change in 210e76d69b62 only changed character_set_database, as shown by output after:
--- a/kallithea/model/base.py
+++ b/kallithea/model/base.py
@@ -46,3 +46,8 @@ def init_model(engine):
engine_str = obfuscate_url_pw(str(engine.url))
log.info("initializing db for %s", engine_str)
meta.Base.metadata.bind = engine
+
+ meta.Session.configure(bind=engine)
+ for a, b in meta.Session().execute('''show variables''').fetchall():
+ if 'character_set_' in a:
+ print(a, repr(b))
Before, with charset=utf8, the utf8mb3 charset was used all the way through the stack:
[kallithea.model.base] initializing db for mysql://kallithea-test:XXXXX@localhost/kallithea-test?charset=utf8
character_set_client 'utf8'
character_set_connection 'utf8'
character_set_database 'utf8mb4'
character_set_filesystem 'binary'
character_set_results 'utf8'
character_set_server 'latin1'
character_set_system 'utf8'
With explicit charset=utf8mb4:
[kallithea.model.base] initializing db for mysql://kallithea-test:XXXXX@localhost/kallithea-test?charset=utf8mb4
character_set_client 'utf8mb4'
character_set_connection 'utf8mb4'
character_set_database 'utf8mb4'
character_set_filesystem 'binary'
character_set_results 'utf8mb4'
character_set_server 'latin1'
character_set_system 'utf8'
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Wed, 01 Jul 2020 14:58:56 +0200 |
parents | 922808a61274 |
children | fc54d9d65006 |
rev | line source |
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811 | 1 .. _contributing: |
2 | |
2095 | 3 ========================= |
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4 Contributing to Kallithea |
811 | 5 ========================= |
6 | |
4902 | 7 Kallithea is developed and maintained by its users. Please join us and scratch |
8 your own itch. | |
9 | |
10 | |
11 Infrastructure | |
12 -------------- | |
811 | 13 |
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14 The main repository is hosted on Our Own Kallithea (aka OOK) at |
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15 https://kallithea-scm.org/repos/kallithea/, our self-hosted instance |
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16 of Kallithea. |
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17 |
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18 For now, we use Bitbucket_ for `pull requests`_ and `issue tracking`_. The |
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19 issue tracker is for tracking bugs, not for support, discussion, or ideas -- |
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20 please use the `mailing list`_ or :ref:`IRC <readme>` to reach the community. |
4902 | 21 |
22 We use Weblate_ to translate the user interface messages into languages other | |
23 than English. Join our project on `Hosted Weblate`_ to help us. | |
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24 To register, you can use your Bitbucket or GitHub account. See :ref:`translations` |
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25 for more details. |
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26 |
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27 |
4902 | 28 Getting started |
29 --------------- | |
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30 |
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31 To get started with Kallithea development:: |
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32 |
4902 | 33 hg clone https://kallithea-scm.org/repos/kallithea |
34 cd kallithea | |
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35 python3 -m venv ../kallithea-venv |
4902 | 36 source ../kallithea-venv/bin/activate |
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37 pip install --upgrade pip setuptools |
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38 pip install --upgrade -e . -r dev_requirements.txt python-ldap python-pam |
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39 kallithea-cli config-create my.ini |
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40 kallithea-cli db-create -c my.ini --user=user --email=user@example.com --password=password --repos=/tmp |
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41 kallithea-cli front-end-build |
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42 gearbox serve -c my.ini --reload & |
4902 | 43 firefox http://127.0.0.1:5000/ |
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44 |
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45 If you plan to use Bitbucket_ for sending contributions, you can also fork |
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46 Kallithea on Bitbucket_ first (https://bitbucket.org/conservancy/kallithea) and |
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47 then replace the clone step above by a clone of your fork. In this case, please |
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48 see :ref:`contributing-guidelines` below for configuring your fork correctly. |
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49 |
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50 |
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51 Contribution flow |
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52 ----------------- |
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53 |
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54 Starting from an existing Kallithea clone, make sure it is up to date with the |
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55 latest upstream changes:: |
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56 |
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57 hg pull |
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58 hg update |
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59 |
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60 Review the :ref:`contributing-guidelines` and :ref:`coding-guidelines`. |
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61 |
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62 If you are new to Mercurial, refer to Mercurial `Quick Start`_ and `Beginners |
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63 Guide`_ on the Mercurial wiki. |
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64 |
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65 Now, make some changes and test them (see :ref:`contributing-tests`). Don't |
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66 forget to add new tests to cover new functionality or bug fixes. |
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67 |
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68 For documentation changes, run ``make html`` from the ``docs`` directory to |
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69 generate the HTML result, then review them in your browser. |
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70 |
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71 Before submitting any changes, run the cleanup script:: |
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72 |
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73 ./scripts/run-all-cleanup |
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74 |
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75 When you are completely ready, you can send your changes to the community for |
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76 review and inclusion. Most commonly used methods are sending patches to the |
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77 mailing list (via ``hg email``) or by creating a pull request on Bitbucket_. |
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78 |
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79 .. _contributing-tests: |
4902 | 80 |
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81 |
4902 | 82 Running tests |
83 ------------- | |
84 | |
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85 After finishing your changes make sure all tests pass cleanly. Run the testsuite |
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86 by invoking ``py.test`` from the project root:: |
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87 |
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88 py.test |
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89 |
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90 Note that on unix systems, the temporary directory (``/tmp`` or where |
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91 ``$TMPDIR`` points) must allow executable files; Git hooks must be executable, |
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92 and the test suite creates repositories in the temporary directory. Linux |
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93 systems with /tmp mounted noexec will thus fail. |
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94 |
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95 Tests can be run on PostgreSQL like:: |
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96 |
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97 sudo -u postgres createuser 'kallithea-test' --pwprompt # password password |
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98 sudo -u postgres createdb 'kallithea-test' --owner 'kallithea-test' |
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99 REUSE_TEST_DB='postgresql://kallithea-test:password@localhost/kallithea-test' py.test |
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100 |
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101 Tests can be run on MariaDB/MySQL like:: |
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102 |
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103 echo "GRANT ALL PRIVILEGES ON \`kallithea-test\`.* TO 'kallithea-test'@'localhost' IDENTIFIED BY 'password'" | sudo -u mysql mysql |
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104 TEST_DB='mysql://kallithea-test:password@localhost/kallithea-test?charset=utf8mb4' py.test |
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105 |
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106 You can also use ``tox`` to run the tests with all supported Python versions. |
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107 |
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108 When running tests, Kallithea generates a `test.ini` based on template values |
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109 in `kallithea/tests/conftest.py` and populates the SQLite database specified |
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110 there. |
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111 |
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112 It is possible to avoid recreating the full test database on each invocation of |
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113 the tests, thus eliminating the initial delay. To achieve this, run the tests as:: |
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114 |
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115 gearbox serve -c /tmp/kallithea-test-XXX/test.ini --pid-file=test.pid --daemon |
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116 KALLITHEA_WHOOSH_TEST_DISABLE=1 KALLITHEA_NO_TMP_PATH=1 py.test |
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117 kill -9 $(cat test.pid) |
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118 |
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119 In these commands, the following variables are used:: |
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120 |
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121 KALLITHEA_WHOOSH_TEST_DISABLE=1 - skip whoosh index building and tests |
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122 KALLITHEA_NO_TMP_PATH=1 - disable new temp path for tests, used mostly for testing_vcs_operations |
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123 |
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124 You can run individual tests by specifying their path as argument to py.test. |
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125 py.test also has many more options, see `py.test -h`. Some useful options |
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126 are:: |
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127 |
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128 -k EXPRESSION only run tests which match the given substring |
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130 expression where all names are substring-matched |
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131 against test names and their parent classes. Example: |
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132 -x, --exitfirst exit instantly on first error or failed test. |
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133 --lf rerun only the tests that failed at the last run (or |
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134 all if none failed) |
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135 --ff run all tests but run the last failures first. This |
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136 may re-order tests and thus lead to repeated fixture |
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137 setup/teardown |
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138 --pdb start the interactive Python debugger on errors. |
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139 -s, --capture=no don't capture stdout (any stdout output will be |
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140 printed immediately) |
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141 |
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142 Performance tests |
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143 ^^^^^^^^^^^^^^^^^ |
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144 |
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145 A number of performance tests are present in the test suite, but they are |
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146 not run in a standard test run. These tests are useful to |
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147 evaluate the impact of certain code changes with respect to performance. |
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148 |
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149 To run these tests:: |
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150 |
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151 env TEST_PERFORMANCE=1 py.test kallithea/tests/performance |
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152 |
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153 To analyze performance, you could install pytest-profiling_, which enables the |
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154 --profile and --profile-svg options to py.test. |
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155 |
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156 .. _pytest-profiling: https://github.com/manahl/pytest-plugins/tree/master/pytest-profiling |
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157 |
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158 .. _contributing-guidelines: |
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159 |
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160 |
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161 Contribution guidelines |
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162 ----------------------- |
4902 | 163 |
164 Kallithea is GPLv3 and we assume all contributions are made by the | |
165 committer/contributor and under GPLv3 unless explicitly stated. We do care a | |
166 lot about preservation of copyright and license information for existing code | |
167 that is brought into the project. | |
168 | |
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169 Contributions will be accepted in most formats -- such as pull requests on |
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170 Bitbucket, something hosted on your own Kallithea instance, or patches sent by |
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171 email to the `kallithea-general`_ mailing list. |
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172 |
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173 When contributing via Bitbucket, please make your fork of |
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174 https://bitbucket.org/conservancy/kallithea/ `non-publishing`_ -- it is one of |
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175 the settings on "Repository details" page. This ensures your commits are in |
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176 "draft" phase and makes it easier for you to address feedback and for project |
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177 maintainers to integrate your changes. |
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178 |
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179 .. _non-publishing: https://www.mercurial-scm.org/wiki/Phases#Publishing_Repository |
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180 |
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181 Make sure to test your changes both manually and with the automatic tests |
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182 before posting. |
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183 |
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184 We care about quality and review and keeping a clean repository history. We |
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185 might give feedback that requests polishing contributions until they are |
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186 "perfect". We might also rebase and collapse and make minor adjustments to your |
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187 changes when we apply them. |
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188 |
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189 We try to make sure we have consensus on the direction the project is taking. |
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190 Everything non-sensitive should be discussed in public -- preferably on the |
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191 mailing list. We aim at having all non-trivial changes reviewed by at least |
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192 one other core developer before pushing. Obvious non-controversial changes will |
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193 be handled more casually. |
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194 |
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195 There is a main development branch ("default") which is generally stable so that |
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196 it can be (and is) used in production. There is also a "stable" branch that is |
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197 almost exclusively reserved for bug fixes or trivial changes. Experimental |
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198 changes should live elsewhere (for example in a pull request) until they are |
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199 ready. |
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200 |
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201 .. _coding-guidelines: |
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202 |
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203 |
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204 Coding guidelines |
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205 ----------------- |
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206 |
4902 | 207 We don't have a formal coding/formatting standard. We are currently using a mix |
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208 of Mercurial's (https://www.mercurial-scm.org/wiki/CodingStyle), pep8, and |
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209 consistency with existing code. Run ``scripts/run-all-cleanup`` before |
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210 committing to ensure some basic code formatting consistency. |
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212 We support Python 3.6 and later. |
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214 We try to support the most common modern web browsers. IE9 is still supported |
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215 to the extent it is feasible, IE8 is not. |
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217 We primarily support Linux and OS X on the server side but Windows should also work. | |
218 | |
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219 HTML templates should use 2 spaces for indentation ... but be pragmatic. We |
4902 | 220 should use templates cleverly and avoid duplication. We should use reasonable |
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221 semantic markup with element classes and IDs that can be used for styling and testing. |
4902 | 222 We should only use inline styles in places where it really is semantic (such as |
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223 ``display: none``). |
4902 | 224 |
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225 JavaScript must use ``;`` between/after statements. Indentation 4 spaces. Inline |
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226 multiline functions should be indented two levels -- one for the ``()`` and one for |
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227 ``{}``. |
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228 Variables holding jQuery objects should be named with a leading ``$``. |
4902 | 229 |
230 Commit messages should have a leading short line summarizing the changes. For | |
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231 bug fixes, put ``(Issue #123)`` at the end of this line. |
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233 Use American English grammar and spelling overall. Use `English title case`_ for |
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234 page titles, button labels, headers, and 'labels' for fields in forms. |
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235 |
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236 .. _English title case: https://en.wikipedia.org/wiki/Capitalization#Title_case |
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237 |
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238 Template helpers (that is, everything in ``kallithea.lib.helpers``) |
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239 should only be referenced from templates. If you need to call a |
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240 helper from the Python code, consider moving the function somewhere |
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241 else (e.g. to the model). |
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242 |
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243 Notes on the SQLAlchemy session |
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244 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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246 Each HTTP request runs inside an independent SQLAlchemy session (as well |
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247 as in an independent database transaction). ``Session`` is the session manager |
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248 and factory. ``Session()`` will create a new session on-demand or return the |
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249 current session for the active thread. Many database operations are methods on |
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250 such session instances. The session will generally be removed by |
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251 TurboGears automatically. |
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252 |
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253 Database model objects |
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254 (almost) always belong to a particular SQLAlchemy session, which means |
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255 that SQLAlchemy will ensure that they're kept in sync with the database |
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256 (but also means that they cannot be shared across requests). |
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258 Objects can be added to the session using ``Session().add``, but this is |
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259 rarely needed: |
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261 * When creating a database object by calling the constructor directly, |
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262 it must explicitly be added to the session. |
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263 |
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264 * When creating an object using a factory function (like |
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265 ``create_repo``), the returned object has already (by convention) |
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266 been added to the session, and should not be added again. |
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268 * When getting an object from the session (via ``Session().query`` or |
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269 any of the utility functions that look up objects in the database), |
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270 it's already part of the session, and should not be added again. |
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271 SQLAlchemy monitors attribute modifications automatically for all |
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272 objects it knows about and syncs them to the database. |
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274 SQLAlchemy also flushes changes to the database automatically; manually |
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275 calling ``Session().flush`` is usually only necessary when the Python |
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276 code needs the database to assign an "auto-increment" primary key ID to |
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277 a freshly created model object (before flushing, the ID attribute will |
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278 be ``None``). |
1123 | 279 |
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280 Debugging |
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281 ^^^^^^^^^ |
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282 |
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283 A good way to trace what Kallithea is doing is to keep an eye on the output on |
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284 stdout/stderr of the server process. Perhaps change ``my.ini`` to log at |
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285 ``DEBUG`` or ``INFO`` level, especially ``[logger_kallithea]``, but perhaps |
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286 also other loggers. It is often easier to add additional ``log`` or ``print`` |
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287 statements than to use a Python debugger. |
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288 |
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289 Sometimes it is simpler to disable ``errorpage.enabled`` and perhaps also |
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290 ``trace_errors.enable`` to expose raw errors instead of adding extra |
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291 processing. Enabling ``debug`` can be helpful for showing and exploring |
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292 tracebacks in the browser, but is also insecure and will add extra processing. |
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293 |
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294 TurboGears2 DebugBar |
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295 ^^^^^^^^^^^^^^^^^^^^ |
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296 |
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297 It is possible to enable the TurboGears2-provided DebugBar_, a toolbar overlayed |
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298 over the Kallithea web interface, allowing you to see: |
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299 |
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300 * timing information of the current request, including profiling information |
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301 * request data, including GET data, POST data, cookies, headers and environment |
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302 variables |
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303 * a list of executed database queries, including timing and result values |
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304 |
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305 DebugBar is only activated when ``debug = true`` is set in the configuration |
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306 file. This is important, because the DebugBar toolbar will be visible for all |
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307 users, and allow them to see information they should not be allowed to see. Like |
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308 is anyway the case for ``debug = true``, do not use this in production! |
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309 |
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310 To enable DebugBar, install ``tgext.debugbar`` and ``kajiki`` (typically via |
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311 ``pip``) and restart Kallithea (in debug mode). |
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312 |
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313 |
4902 | 314 "Roadmap" |
315 --------- | |
316 | |
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317 We do not have a road map but are waiting for your contributions. Refer to the |
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318 wiki_ for some ideas of places we might want to go -- contributions in these |
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319 areas are very welcome. |
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321 | |
322 Thank you for your contribution! | |
323 -------------------------------- | |
324 | |
325 | |
326 .. _Weblate: http://weblate.org/ | |
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327 .. _issue tracking: https://bitbucket.org/conservancy/kallithea/issues?status=new&status=open |
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328 .. _pull requests: https://bitbucket.org/conservancy/kallithea/pull-requests |
1123 | 329 .. _bitbucket: http://bitbucket.org/ |
4902 | 330 .. _mailing list: http://lists.sfconservancy.org/mailman/listinfo/kallithea-general |
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331 .. _kallithea-general: http://lists.sfconservancy.org/mailman/listinfo/kallithea-general |
4902 | 332 .. _Hosted Weblate: https://hosted.weblate.org/projects/kallithea/kallithea/ |
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333 .. _wiki: https://bitbucket.org/conservancy/kallithea/wiki/Home |
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334 .. _DebugBar: https://github.com/TurboGears/tgext.debugbar |
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335 .. _Quick Start: https://www.mercurial-scm.org/wiki/QuickStart |
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336 .. _Beginners Guide: https://www.mercurial-scm.org/wiki/BeginnersGuides |