Commit a7da12d3 authored by Malcolm Tredinnick's avatar Malcolm Tredinnick
Browse files

Fixed #5567 -- Added a "last" filter. Based on a patch from darkpixel. 


git-svn-id: http://code.djangoproject.com/svn/django/trunk@6998 bcc190cf-cafb-0310-a4f2-bffc1f526a37
parent 1f6bc7ff

django/template/defaultfilters.py

+9 −0
Original line number Diff line number Diff line
@@ -449,6 +449,14 @@ def join(value, arg): 
        return data

join.is_safe = True



def last(value):

    "Returns the last item in a list"

    try:

        return value[-1]

    except IndexError:

        return u''

last.is_safe = True



def length(value):

    """Returns the length of the value - useful for lists."""

    return len(value)
@@ -800,6 +808,7 @@ register.filter(force_escape) 
register.filter(get_digit)

register.filter(iriencode)

register.filter(join)

register.filter(last)

register.filter(length)

register.filter(length_is)

register.filter(linebreaks)

docs/templates.txt

+5 −0
Original line number Diff line number Diff line
@@ -1403,6 +1403,11 @@ join 


Joins a list with a string, like Python's ``str.join(list)``.



last

~~~~



Returns the last item in a list.



length

~~~~~~

tests/regressiontests/templates/filters.py

+3 −0
Original line number Diff line number Diff line
@@ -179,6 +179,9 @@ def get_filter_tests(): 
        'filter-first01': ('{{ a|first }} {{ b|first }}', {"a": ["a&b", "x"], "b": [mark_safe("a&b"), "x"]}, "a&b a&b"),

        'filter-first02': ('{% autoescape off %}{{ a|first }} {{ b|first }}{% endautoescape %}', {"a": ["a&b", "x"], "b": [mark_safe("a&b"), "x"]}, "a&b a&b"),



        'filter-last01': ('{{ a|last }} {{ b|last }}', {"a": ["x", "a&b"], "b": ["x", mark_safe("a&b")]}, "a&b a&b"),

        'filter-last02': ('{% autoescape off %}{{ a|last }} {{ b|last }}{% endautoescape %}', {"a": ["x", "a&b"], "b": ["x", mark_safe("a&b")]}, "a&b a&b"),



        'filter-random01': ('{{ a|random }} {{ b|random }}', {"a": ["a&b", "a&b"], "b": [mark_safe("a&b"), mark_safe("a&b")]}, "a&b a&b"),

        'filter-random02': ('{% autoescape off %}{{ a|random }} {{ b|random }}{% endautoescape %}', {"a": ["a&b", "a&b"], "b": [mark_safe("a&b"), mark_safe("a&b")]}, "a&b a&b"),