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Kovid Goyal 2021-02-25 07:28:16 +05:30
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manual/template_lang.rst
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@ -492,8 +492,8 @@ parameters can be statements (sequences of expressions). Note that the definitiv
* ``list_sort(list, direction, separator)`` -- return list sorted using a case-insensitive sort. If ``direction`` is zero, ``list`` is * ``list_sort(list, direction, separator)`` -- return list sorted using a case-insensitive sort. If ``direction`` is zero, ``list`` is
sorted ascending, otherwise descending. The list items are separated by separator, as are the items in the returned list. sorted ascending, otherwise descending. The list items are separated by separator, as are the items in the returned list.
* ``list_union(list1, list2, separator)`` -- return a list made by merging the items in ``list1`` and ``list2``, removing * ``list_union(list1, list2, separator)`` -- return a list made by merging the items in ``list1`` and ``list2``, removing
duplicate items using a case-insensitive comparison. If items differ in case, the one in ``list1`` is used. The items duplicate items using a case-insensitive comparison. If items differ in case, the one in ``list1`` is used. The items
in ``list1`` and ``list2`` are separated by ``separator``, as are the items in the returned list. in ``list1`` and ``list2`` are separated by ``separator``, as are the items in the returned list.
Aliases: ``merge_lists()``, ``list_union()`` Aliases: ``merge_lists()``, ``list_union()``
* ``mod(x)`` -- returns the remainder of ``x / y``, where ``x``, ``y``, and the result are integers. Throws an exception if either ``x`` or * ``mod(x)`` -- returns the remainder of ``x / y``, where ``x``, ``y``, and the result are integers. Throws an exception if either ``x`` or
``y`` is not a number. ``y`` is not a number.
@ -599,7 +599,7 @@ Both modes support classic **relational (comparison) operators**: ``==``, ``!=``
``<=``, ``>``, ``>=``. The operators return '1' if they evaluate to True, otherwise ''. They do case-insensitive ``<=``, ``>``, ``>=``. The operators return '1' if they evaluate to True, otherwise ''. They do case-insensitive
string comparison using lexical order. The binary operator ``in`` is supported. The left hand expression is interpreted string comparison using lexical order. The binary operator ``in`` is supported. The left hand expression is interpreted
as a regular expression pattern. The ``in`` operator evaluates to '1' if the pattern matches the value of the right hand expression. as a regular expression pattern. The ``in`` operator evaluates to '1' if the pattern matches the value of the right hand expression.
The match is case-insensive. The match is case-insensitive.
Examples: Examples:
@ -701,7 +701,7 @@ The full method signature is:
**Template writer: how to access the additional information** **Template writer: how to access the additional information**
You access the additional information (the `globals dict`) in a template using the template function You access the additional information (the ``globals`` dict) in a template using the template function
``globals(id[=expression] [, id[=expression]]*)`` ``globals(id[=expression] [, id[=expression]]*)``
where ``id`` is any legal variable name. This function checks whether the additional information provided by the developer where ``id`` is any legal variable name. This function checks whether the additional information provided by the developer
contains the name. If it does then the function assigns the provided value to a template local variable with that name. contains the name. If it does then the function assigns the provided value to a template local variable with that name.
@ -709,8 +709,8 @@ If the name is not in the additional information and if an ``expression`` is pro
the result is assigned to the local variable. If neither a value nor an expression is provided, the function assigns the result is assigned to the local variable. If neither a value nor an expression is provided, the function assigns
the empty string (``''``) to the local variable. the empty string (``''``) to the local variable.
A template can set a value in the globals dict using the template function A template can set a value in the ``globals`` dict using the template function
``set_globals(id[=expression] [, id[=expression]]*)``. This function sets the globals dict key:value pair ``id:value`` where ``set_globals(id[=expression] [, id[=expression]]*)``. This function sets the ``globals`` dict key:value pair ``id:value`` where
``value`` is the value of the template local variable ``id``. If that local variable doesn't exist then ``value`` is ``value`` is the value of the template local variable ``id``. If that local variable doesn't exist then ``value`` is
set to the result of evaluating ``expression``. set to the result of evaluating ``expression``.