From d291c72bf24387e4abe8d9883ebe9c69abdd26d0 Mon Sep 17 00:00:00 2001 From: Mike Hansen Date: Fri, 21 Jun 2019 09:41:01 -0700 Subject: Fixed #30585 -- Added {% translate %} and {% blocktranslate %} template tags. --- docs/topics/cache.txt | 2 +- docs/topics/i18n/translation.txt | 148 +++++++++++++++++++++------------------ 2 files changed, 81 insertions(+), 69 deletions(-) (limited to 'docs/topics') diff --git a/docs/topics/cache.txt b/docs/topics/cache.txt index a038183d0d..29ea8fb001 100644 --- a/docs/topics/cache.txt +++ b/docs/topics/cache.txt @@ -682,7 +682,7 @@ templates to achieve the same result: {% get_current_language as LANGUAGE_CODE %} {% cache 600 welcome LANGUAGE_CODE %} - {% trans "Welcome to example.com" %} + {% translate "Welcome to example.com" %} {% endcache %} The cache timeout can be a template variable, as long as the template variable diff --git a/docs/topics/i18n/translation.txt b/docs/topics/i18n/translation.txt index 7a8be1eb4a..241dcea660 100644 --- a/docs/topics/i18n/translation.txt +++ b/docs/topics/i18n/translation.txt @@ -328,8 +328,8 @@ will appear in the ``.po`` file as: msgid "May" msgstr "" -Contextual markers are also supported by the :ttag:`trans` and -:ttag:`blocktrans` template tags. +Contextual markers are also supported by the :ttag:`translate` and +:ttag:`blocktranslate` template tags. .. _lazy-translations: @@ -575,21 +575,22 @@ have already loaded the ``i18n`` tag. unchanged. .. templatetag:: trans +.. templatetag:: translate -``trans`` template tag ----------------------- +``translate`` template tag +-------------------------- -The ``{% trans %}`` template tag translates either a constant string +The ``{% translate %}`` template tag translates either a constant string (enclosed in single or double quotes) or variable content:: - {% trans "This is the title." %} - {% trans myvar %} + {% translate "This is the title." %} + {% translate myvar %} If the ``noop`` option is present, variable lookup still takes place but the translation is skipped. This is useful when "stubbing out" content that will require translation in the future:: - {% trans "myvar" noop %} + {% translate "myvar" noop %} Internally, inline translations use an :func:`~django.utils.translation.gettext` call. @@ -598,15 +599,14 @@ In case a template var (``myvar`` above) is passed to the tag, the tag will first resolve such variable to a string at run-time and then look up that string in the message catalogs. -It's not possible to mix a template variable inside a string within ``{% trans -%}``. If your translations require strings with variables (placeholders), use -:ttag:`{% blocktrans %}` instead. - +It's not possible to mix a template variable inside a string within +``{% translate %}``. If your translations require strings with variables +(placeholders), use :ttag:`{% blocktranslate %}` instead. If you'd like to retrieve a translated string without displaying it, you can use the following syntax:: - {% trans "This is the title" as the_title %} + {% translate "This is the title" as the_title %} {{ the_title }} @@ -615,12 +615,12 @@ In practice you'll use this to get a string you can use in multiple places in a template or so you can use the output as an argument for other template tags or filters:: - {% trans "starting point" as start %} - {% trans "end point" as end %} - {% trans "La Grande Boucle" as race %} + {% translate "starting point" as start %} + {% translate "end point" as end %} + {% translate "La Grande Boucle" as race %}

- {{ race }} + {{ race }}

{% for stage in tour_stages %} @@ -628,50 +628,56 @@ filters:: {% endfor %}

-``{% trans %}`` also supports :ref:`contextual markers` +``{% translate %}`` also supports :ref:`contextual markers` using the ``context`` keyword: .. code-block:: html+django - {% trans "May" context "month name" %} + {% translate "May" context "month name" %} + +.. versionchanged:: 3.1 + + The ``trans`` tag was renamed to ``translate``. The ``trans`` + tag is still supported as an alias for backwards compatibility. .. templatetag:: blocktrans +.. templatetag:: blocktranslate -``blocktrans`` template tag ---------------------------- +``blocktranslate`` template tag +------------------------------- -Contrarily to the :ttag:`trans` tag, the ``blocktrans`` tag allows you to mark -complex sentences consisting of literals and variable content for translation -by making use of placeholders:: +Contrarily to the :ttag:`translate` tag, the ``blocktranslate`` tag allows you +to mark complex sentences consisting of literals and variable content for +translation by making use of placeholders:: - {% blocktrans %}This string will have {{ value }} inside.{% endblocktrans %} + {% blocktranslate %}This string will have {{ value }} inside.{% endblocktranslate %} To translate a template expression -- say, accessing object attributes or using template filters -- you need to bind the expression to a local variable for use within the translation block. Examples:: - {% blocktrans with amount=article.price %} + {% blocktranslate with amount=article.price %} That will cost $ {{ amount }}. - {% endblocktrans %} + {% endblocktranslate %} - {% blocktrans with myvar=value|filter %} + {% blocktranslate with myvar=value|filter %} This will have {{ myvar }} inside. - {% endblocktrans %} + {% endblocktranslate %} -You can use multiple expressions inside a single ``blocktrans`` tag:: +You can use multiple expressions inside a single ``blocktranslate`` tag:: - {% blocktrans with book_t=book|title author_t=author|title %} + {% blocktranslate with book_t=book|title author_t=author|title %} This is {{ book_t }} by {{ author_t }} - {% endblocktrans %} + {% endblocktranslate %} .. note:: The previous more verbose format is still supported: - ``{% blocktrans with book|title as book_t and author|title as author_t %}`` + ``{% blocktranslate with book|title as book_t and author|title as author_t %}`` Other block tags (for example ``{% for %}`` or ``{% if %}``) are not allowed -inside a ``blocktrans`` tag. +inside a ``blocktranslate`` tag. -If resolving one of the block arguments fails, ``blocktrans`` will fall back to -the default language by deactivating the currently active language +If resolving one of the block arguments fails, ``blocktranslate`` will fall +back to the default language by deactivating the currently active language temporarily with the :func:`~django.utils.translation.deactivate_all` function. @@ -681,43 +687,43 @@ This tag also provides for pluralization. To use it: be the one used to select the right plural form. * Specify both the singular and plural forms separating them with the - ``{% plural %}`` tag within the ``{% blocktrans %}`` and - ``{% endblocktrans %}`` tags. + ``{% plural %}`` tag within the ``{% blocktranslate %}`` and + ``{% endblocktranslate %}`` tags. An example:: - {% blocktrans count counter=list|length %} + {% blocktranslate count counter=list|length %} There is only one {{ name }} object. {% plural %} There are {{ counter }} {{ name }} objects. - {% endblocktrans %} + {% endblocktranslate %} A more complex example:: - {% blocktrans with amount=article.price count years=i.length %} + {% blocktranslate with amount=article.price count years=i.length %} That will cost $ {{ amount }} per year. {% plural %} That will cost $ {{ amount }} per {{ years }} years. - {% endblocktrans %} + {% endblocktranslate %} When you use both the pluralization feature and bind values to local variables -in addition to the counter value, keep in mind that the ``blocktrans`` +in addition to the counter value, keep in mind that the ``blocktranslate`` construct is internally converted to an ``ngettext`` call. This means the same :ref:`notes regarding ngettext variables ` apply. -Reverse URL lookups cannot be carried out within the ``blocktrans`` and should -be retrieved (and stored) beforehand:: +Reverse URL lookups cannot be carried out within the ``blocktranslate`` and +should be retrieved (and stored) beforehand:: {% url 'path.to.view' arg arg2 as the_url %} - {% blocktrans %} + {% blocktranslate %} This is a URL: {{ the_url }} - {% endblocktrans %} + {% endblocktranslate %} If you'd like to retrieve a translated string without displaying it, you can use the following syntax:: - {% blocktrans asvar the_title %}The title is {{ title }}.{% endblocktrans %} + {% blocktranslate asvar the_title %}The title is {{ title }}.{% endblocktranslate %} {{ the_title }} @@ -725,32 +731,38 @@ In practice you'll use this to get a string you can use in multiple places in a template or so you can use the output as an argument for other template tags or filters. -``{% blocktrans %}`` also supports :ref:`contextual +``{% blocktranslate %}`` also supports :ref:`contextual markers` using the ``context`` keyword: .. code-block:: html+django - {% blocktrans with name=user.username context "greeting" %}Hi {{ name }}{% endblocktrans %} + {% blocktranslate with name=user.username context "greeting" %}Hi {{ name }}{% endblocktranslate %} -Another feature ``{% blocktrans %}`` supports is the ``trimmed`` option. This -option will remove newline characters from the beginning and the end of the -content of the ``{% blocktrans %}`` tag, replace any whitespace at the beginning -and end of a line and merge all lines into one using a space character to -separate them. This is quite useful for indenting the content of a ``{% -blocktrans %}`` tag without having the indentation characters end up in the -corresponding entry in the PO file, which makes the translation process easier. +Another feature ``{% blocktranslate %}`` supports is the ``trimmed`` option. +This option will remove newline characters from the beginning and the end of +the content of the ``{% blocktranslate %}`` tag, replace any whitespace at the +beginning and end of a line and merge all lines into one using a space +character to separate them. This is quite useful for indenting the content of a +``{% blocktranslate %}`` tag without having the indentation characters end up +in the corresponding entry in the PO file, which makes the translation process +easier. -For instance, the following ``{% blocktrans %}`` tag:: +For instance, the following ``{% blocktranslate %}`` tag:: - {% blocktrans trimmed %} + {% blocktranslate trimmed %} First sentence. Second paragraph. - {% endblocktrans %} + {% endblocktranslate %} will result in the entry ``"First sentence. Second paragraph."`` in the PO file, compared to ``"\n First sentence.\n Second sentence.\n"``, if the ``trimmed`` option had not been specified. +.. versionchanged:: 3.1 + + The ``blocktrans`` tag was renamed to ``blocktranslate``. The ``blocktrans`` + tag is still supported as an alias for backwards compatibility. + String literals passed to tags and filters ------------------------------------------ @@ -782,21 +794,21 @@ tag: .. code-block:: html+django {% comment %}Translators: View verb{% endcomment %} - {% trans "View" %} + {% translate "View" %} {% comment %}Translators: Short intro blurb{% endcomment %} -

{% blocktrans %}A multiline translatable - literal.{% endblocktrans %}

+

{% blocktranslate %}A multiline translatable + literal.{% endblocktranslate %}

or with the ``{#`` ... ``#}`` :ref:`one-line comment constructs `: .. code-block:: html+django {# Translators: Label of a button that triggers search #} - + {# Translators: This is a text of the base template #} - {% blocktrans %}Ambiguous translatable block of text{% endblocktrans %} + {% blocktranslate %}Ambiguous translatable block of text{% endblocktranslate %} .. note:: Just for completeness, these are the corresponding fragments of the resulting ``.po`` file: @@ -841,12 +853,12 @@ If you want to select a language within a template, you can use the {% get_current_language as LANGUAGE_CODE %} -

{% trans "Welcome to our page" %}

+

{% translate "Welcome to our page" %}

{% language 'en' %} {% get_current_language as LANGUAGE_CODE %} -

{% trans "Welcome to our page" %}

+

{% translate "Welcome to our page" %}

{% endlanguage %} While the first occurrence of "Welcome to our page" uses the current language, @@ -1450,7 +1462,7 @@ template tag. It enables the given language in the enclosed template section: {% get_available_languages as languages %} - {% trans "View this category in:" %} + {% translate "View this category in:" %} {% for lang_code, lang_name in languages %} {% language lang_code %} {{ lang_name }} -- cgit v1.3