Fixes #3799 -- Oops - ran last checkin from the wrong directory. Checked in the…

Fixes #3799 -- Oops - ran last checkin from the wrong directory. Checked in the rest of the lorem templatetag implementation.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@4848 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/template/defaulttags.py

@@ -280,6 +280,24 @@ class LoadNode(Node):
     def render(self, context):
         return ''
 
+class LoremNode(Node):
+    def __init__(self, count, method, common):
+        self.count, self.method, self.common = count, method, common
+
+    def render(self, context):
+        from django.utils.lorem_ipsum import words, paragraphs
+        try:
+            count = int(self.count.resolve(context))
+        except (ValueError, TypeError):
+            count = 1
+        if self.method == 'w':
+            return words(count, common=self.common)
+        else:
+            paras = paragraphs(count, common=self.common)
+        if self.method == 'p':
+            paras = ['<p>%s</p>' % p for p in paras]
+        return '\n\n'.join(paras)
+
 class NowNode(Node):
     def __init__(self, format_string):
         self.format_string = format_string
@@ -768,6 +786,52 @@ def load(parser, token):
     return LoadNode()
 load = register.tag(load)
 
+#@register.tag
+def lorem(parser, token):
+    """
+    Creates random latin text useful for providing test data in templates.
+
+    Usage format::
+
+        {% lorem [count] [method] [random] %}
+
+    ``count`` is a number (or variable) containing the number of paragraphs or
+    words to generate (default is 1).
+
+    ``method`` is either ``w`` for words, ``p`` for HTML paragraphs, ``b`` for
+    plain-text paragraph blocks (default is ``b``).
+
+    ``random`` is the word ``random``, which if given, does not use the common
+    paragraph (starting "Lorem ipsum dolor sit amet, consectetuer...").
+
+    Examples:
+        * ``{% lorem %}`` will output the common "lorem ipsum" paragraph
+        * ``{% lorem 3 p %}`` will output the common "lorem ipsum" paragraph
+          and two random paragraphs each wrapped in HTML ``<p>`` tags
+        * ``{% lorem 2 w random %}`` will output two random latin words
+    """
+    bits = list(token.split_contents())
+    tagname = bits[0]
+    # Random bit
+    common = bits[-1] != 'random'
+    if not common:
+        bits.pop()
+    # Method bit
+    if bits[-1] in ('w', 'p', 'b'):
+        method = bits.pop()
+    else:
+        method = 'b'
+    # Count bit
+    if len(bits) > 1:
+        count = bits.pop()
+    else:
+        count = '1'
+    count = parser.compile_filter(count)
+    if len(bits) != 1:
+        raise TemplateSyntaxError, "Incorrect format for %r tag" % tagname
+    return LoremNode(count, method, common)
+lorem = register.tag(lorem)    
+
 #@register.tag
 def now(parser, token):
     """

docs/templates.txt

@@ -625,6 +625,31 @@ Load a custom template tag set.
 
 See `Custom tag and filter libraries`_ for more information.
 
+lorem
+~~~~~
+
+Display random latin text useful for providing sample data in templates.
+
+Usage format: ``{% lorem [count] [method] [random] %}``
+
+    ===========  =============================================================
+    Argument     Description
+    ===========  =============================================================
+    ``count``    A number (or variable) containing the number of paragraphs or
+                 words to generate (default is 1).
+    ``method``   Either ``w`` for words, ``p`` for HTML paragraphs or ``b``
+                 for plain-text paragraph blocks (default is ``b``).
+    ``random``   The word ``random``, which if given, does not use the common
+                 paragraph ("Lorem ipsum dolor sit amet...") when generating
+                 text.
+
+Examples:
+
+    * ``{% lorem %}`` will output the common "lorem ipsum" paragraph.
+    * ``{% lorem 3 p %}`` will output the common "lorem ipsum" paragraph
+      and two random paragraphs each wrapped in HTML ``<p>`` tags.
+    * ``{% lorem 2 w random %}`` will output two random latin words.
+
 now
 ~~~