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Updates and simplification for mkdocs #4556

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merged 4 commits into from
Sep 12, 2018
Merged

Updates and simplification for mkdocs #4556

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a30768d
Updates and simplification for mkdocs
davidfischer Aug 22, 2018
2d446c7
Merge branch 'master' into davidfischer/mkdocs-upgrade-again
davidfischer Sep 12, 2018
171ce95
Fix a merge mistake
davidfischer Sep 12, 2018
4d82d8c
Merge branch 'master' into davidfischer/mkdocs-upgrade-again
davidfischer Sep 12, 2018
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3 changes: 3 additions & 0 deletions media/css/readthedocs-doc-embed.css
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Expand Up @@ -7,6 +7,9 @@
display: block;

bottom: 50px;

/* Workaround for mkdocs which set a specific height for this element */
height: auto;
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This fixes the bug seen here which is currently visible on https://mkdocs.readthedocs.io/en/stable/

screen shot 2018-08-22 at 10 16 18 am

}

.rst-other-versions {
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3 changes: 2 additions & 1 deletion readthedocs/core/static-src/core/js/doc-embed/footer.js
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Expand Up @@ -7,7 +7,8 @@ function injectFooter(data) {

// If the theme looks like ours, update the existing badge
// otherwise throw a a full one into the page.
if (config.is_rtd_like_theme()) {
// Do not inject for mkdocs even for the RTD theme
if (config.is_sphinx_builder() && config.is_rtd_like_theme()) {
$("div.rst-other-versions").html(data['html']);
} else {
$("body").append(data['html']);
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3 changes: 2 additions & 1 deletion readthedocs/core/static-src/core/js/doc-embed/rtd-data.js
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Expand Up @@ -8,6 +8,7 @@ var constants = require('./constants');

var configMethods = {
is_rtd_like_theme: function () {
// Returns true for the Read the Docs theme on both sphinx and mkdocs
if ($('div.rst-other-versions').length === 1) {
// Crappy heuristic, but people change the theme name
// So we have to do some duck typing.
Expand All @@ -30,7 +31,7 @@ var configMethods = {
},

is_mkdocs_builder: function () {
return (!('builder' in this) || this.builder === 'mkdocs');
return ('builder' in this && this.builder === 'mkdocs');
},

get_theme_name: function () {
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2 changes: 1 addition & 1 deletion readthedocs/core/static-src/core/js/doc-embed/sphinx.js
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Expand Up @@ -29,7 +29,7 @@ function init() {
/// Inject the Read the Docs Sphinx theme code
/// This is necessary on older versions of the RTD theme (<0.4.0)
/// and on themes other then the RTD theme (used for the version menu)
if ((rtd.builder === undefined || rtd.builder === 'sphinx') && window.SphinxRtdTheme === undefined) {
if (window.SphinxRtdTheme === undefined) {
sphinx_theme = require('sphinx-rtd-theme'); // eslint-disable-line global-require

var theme = sphinx_theme.ThemeNav;
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45 changes: 4 additions & 41 deletions readthedocs/doc_builder/backends/mkdocs.py
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Expand Up @@ -39,17 +39,8 @@ class BaseMkdocs(BaseBuilder):

"""Mkdocs builder."""

use_theme = True

# The default theme for mkdocs (outside of RTD) is the 'mkdocs' theme
# For RTD, our default is the 'readthedocs' theme
READTHEDOCS_THEME_NAME = 'readthedocs'

# Overrides for the 'readthedocs' theme that include
# search utilities and version selector
READTHEDOCS_TEMPLATE_OVERRIDE_DIR = (
'%s/readthedocs/templates/mkdocs/readthedocs' % settings.SITE_ROOT
)
# The default theme for mkdocs is the 'mkdocs' theme
DEFAULT_THEME_NAME = 'mkdocs'
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Why not default to the rtd theme when users don't have a theme or theme.name?

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Starting with mkdocs>=1.0, theme is required. Also, this is another source of confusion where Read the Docs does something different than the default MkDocs functionality. I believe we shouldn't be changing users' intents.

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that makes sense, I wonder if this is good for old projects, all of them were building with the rtd theme, right?

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I like to keep the same behavior outside than inside RTD.

I want to echo Santos' question: what would happen with old projects that weren't specifying the them? Will they start building with the mkdocs theme? If so, I suppose we should do something to avoid that

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Assuming they target mkdocs<1.0 and don't specify a theme, they will start to build with the mkdocs theme. This would be the same behavior as if they built locally. Starting with mkdocs>=1.0, they will fail to build with an error because theme is required.

Frankly, I think switching them to the mkdocs theme is the correct behavior as then their project builds with the same theme inside and outside RTD. In general, however, I suspect not a lot of projects do not specify a theme.

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I am -1 on this particular change, I think projects should keep the readthedocs theme if that is what they have been building their projects with. We can use a date-based feature flag if necessary, to ensure that projects before the feature flag get the readthedocs theme.

If the user hasn't changed to a custom theme, I don't think we can accurately determine whether they want the default mkdocs theme or our theme, so i'm more inclined to just keep our theme for these users.

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I put some thoughts here about this. I moved the discussion a bit since it references multiple comments.


def __init__(self, *args, **kwargs):
super(BaseMkdocs, self).__init__(*args, **kwargs)
Expand Down Expand Up @@ -133,11 +124,6 @@ def append_conf(self, **__):
# This supports using RTD's privacy improvements around analytics
user_config['google_analytics'] = None

# If using the readthedocs theme, apply the readthedocs.org overrides
# These use a global readthedocs search
# and customize the version selector.
self.apply_theme_override(user_config)

# Write the modified mkdocs configuration
yaml.safe_dump(
user_config,
Expand Down Expand Up @@ -198,8 +184,6 @@ def build(self):
'--site-dir', self.build_dir,
'--config-file', self.yaml_file,
]
if self.use_theme:
build_command.extend(['--theme', 'readthedocs'])
cmd_ret = self.run(
*build_command,
cwd=checkout_path,
Expand All @@ -220,7 +204,7 @@ def get_theme_name(self, mkdocs_config):
theme_setting = mkdocs_config.get('theme')
if isinstance(theme_setting, dict):
# Full nested theme config (the new configuration)
return theme_setting.get('name') or self.READTHEDOCS_THEME_NAME
return theme_setting.get('name') or self.DEFAULT_THEME_NAME

if theme_setting:
# A string which is the name of the theme
Expand All @@ -231,27 +215,7 @@ def get_theme_name(self, mkdocs_config):
# Use the name of the directory in this project's custom theme directory
return theme_dir.rstrip('/').split('/')[-1]

return self.READTHEDOCS_THEME_NAME

def apply_theme_override(self, mkdocs_config):
"""
Apply theme overrides for the RTD theme (modifies the ``mkdocs_config`` parameter)

In v0.17.0, the theme configuration switched
from two separate configs (both optional) to a nested directive.
How to override the theme depends on whether the new or old configuration
is used.

:see: http://www.mkdocs.org/about/release-notes/#theme-customization-1164
"""
if self.get_theme_name(mkdocs_config) == self.READTHEDOCS_THEME_NAME:
# Overriding the theme is only necessary
# if the 'readthedocs' theme is used.
theme_setting = mkdocs_config.get('theme')
if isinstance(theme_setting, dict):
theme_setting['custom_dir'] = self.READTHEDOCS_TEMPLATE_OVERRIDE_DIR
else:
mkdocs_config['theme_dir'] = self.READTHEDOCS_TEMPLATE_OVERRIDE_DIR
return self.DEFAULT_THEME_NAME


class MkdocsHTML(BaseMkdocs):
Expand All @@ -264,4 +228,3 @@ class MkdocsJSON(BaseMkdocs):
type = 'mkdocs_json'
builder = 'json'
build_dir = '_build/json'
use_theme = False
98 changes: 34 additions & 64 deletions readthedocs/rtd_tests/tests/test_doc_builder.py
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Expand Up @@ -127,6 +127,40 @@ def setUp(self):
self.build_env.project = self.project
self.build_env.version = self.version

def test_get_theme_name(self):
builder = MkdocsHTML(
build_env=self.build_env,
python_env=None
)

# The default theme is mkdocs but in mkdocs>=1.0, theme is required
self.assertEqual(builder.get_theme_name({}), 'mkdocs')

# mkdocs<0.17 syntax
config = {
'theme': 'readthedocs',
}
self.assertEqual(builder.get_theme_name(config), 'readthedocs')

# mkdocs>=0.17 syntax
config = {
'theme': {
'name': 'test_theme',
},
}
self.assertEqual(builder.get_theme_name(config), 'test_theme')

# No theme but just a directory
config = {
'theme_dir': '/path/to/mydir',
}
self.assertEqual(builder.get_theme_name(config), 'mydir')
config = {
'theme_dir': '/path/to/mydir/',
}
self.assertEqual(builder.get_theme_name(config), 'mydir')


@patch('readthedocs.doc_builder.base.BaseBuilder.run')
@patch('readthedocs.projects.models.Project.checkout_path')
def test_append_conf_create_yaml(self, checkout_path, run):
Expand Down Expand Up @@ -225,70 +259,6 @@ def test_append_conf_existing_yaml_on_root(self, checkout_path, run):
'mkdocs'
)

@patch('readthedocs.doc_builder.base.BaseBuilder.run')
@patch('readthedocs.projects.models.Project.checkout_path')
def test_override_theme_new_style(self, checkout_path, run):
tmpdir = tempfile.mkdtemp()
os.mkdir(os.path.join(tmpdir, 'docs'))
yaml_file = os.path.join(tmpdir, 'mkdocs.yml')
yaml.safe_dump(
{
'theme': {
'name': 'readthedocs',
},
'site_name': 'mkdocs',
'docs_dir': 'docs',
},
open(yaml_file, 'w')
)
checkout_path.return_value = tmpdir

self.searchbuilder = MkdocsHTML(
build_env=self.build_env,
python_env=None
)
self.searchbuilder.append_conf()

run.assert_called_with('cat', 'mkdocs.yml', cwd=mock.ANY)

config = yaml.safe_load(open(yaml_file))
self.assertEqual(
config['theme'],
{
'name': 'readthedocs',
'custom_dir': BaseMkdocs.READTHEDOCS_TEMPLATE_OVERRIDE_DIR
}
)

@patch('readthedocs.doc_builder.base.BaseBuilder.run')
@patch('readthedocs.projects.models.Project.checkout_path')
def test_override_theme_old_style(self, checkout_path, run):
tmpdir = tempfile.mkdtemp()
os.mkdir(os.path.join(tmpdir, 'docs'))
yaml_file = os.path.join(tmpdir, 'mkdocs.yml')
yaml.safe_dump(
{
'theme': 'readthedocs',
'site_name': 'mkdocs',
'docs_dir': 'docs',
},
open(yaml_file, 'w')
)
checkout_path.return_value = tmpdir

self.searchbuilder = MkdocsHTML(
build_env=self.build_env,
python_env=None
)
self.searchbuilder.append_conf()

run.assert_called_with('cat', 'mkdocs.yml', cwd=mock.ANY)

config = yaml.safe_load(open(yaml_file))
self.assertEqual(
config['theme_dir'],
BaseMkdocs.READTHEDOCS_TEMPLATE_OVERRIDE_DIR
)

@patch('readthedocs.doc_builder.base.BaseBuilder.run')
@patch('readthedocs.projects.models.Project.checkout_path')
Expand Down
5 changes: 0 additions & 5 deletions readthedocs/templates/mkdocs/readthedocs/searchbox.html
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8 changes: 0 additions & 8 deletions readthedocs/templates/mkdocs/readthedocs/versions.html
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