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Bumblebee-1.0a2
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مشاهده بیشتر
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مشاهده بیشتر
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مشاهده بیشتر
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مشاهده بیشترتوضیحات
deliverance-like implementation that only works on html output(no theme file)
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | Bumblebee-1.0a2 |
| نام | Bumblebee |
| نسخه کتابخانه | 1.0a2 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Nathan Van Gheem |
| ایمیل نویسنده | vangheem@gmail.com |
| آدرس صفحه اصلی | https://github.com/vangheem/Bumblebee |
| آدرس اینترنتی | https://pypi.org/project/Bumblebee/ |
| مجوز | UNKNOWN |
Introduction
============
Bumblebee is a deliverance-like html transformation framwork
implementation that only works on the output an html document.
It doesn't use xslt so it isn't as fast as what Diazo is; however,
it accomplishes the very simple use-case of moving elements around
on html output.
Why
---
Because I almost never needed the full-fledge deliverance approach
for what I wanted to do. In fact, it was usually an annoyance when
all I wanted to do was move an element around on a page.
How-to Use
==========
Configurating your transformations is done with a very xml syntax.
Example:
HTML::
<html>
<head></head>
<body>
<div id="#header"></div>
<div id="content"></div>
<div id="footer"></div>
</body>
</html>
Rules XML::
<xml>
<block if-content="#content">
<after src="#header" dst="#footer" />
</block>
</xml>
Running it through::
from bumblebee import transform
from repoze.xmliter.utils import getHTMLSerializer
from bumblebee.xml import convertRules
html = getHTMLSerializer(output)
rules = convertRules(rules_xml)
result = transform(html, rules)
Selectors
---------
For xml configuration that selects elements, you can use CSS selectors(default)
or XPath.
To use XPath, just append '-path' onto the node name::
<after src-xpath="/html/body/div[0]" src-xpath="/html/body/div[2]" />
arbitrary html
~~~~~~~~~~~~~~
Use this to inject html into a page::
<after src-html="" dst="#foo">
<div id="foobar">
<h1>hello, world</h1>
</div>
</after>
Rules
-----
Before
~~~~~~
Move an element before another element::
<before src="#foo" dst="#bar" />
Moves "#foo" before "#bar"
After
~~~~~
Move an element after another::
<after src="#foo" "#bar" />
Moves "#foo" after "#bar"
Drop
~~~~
Remove an element from the dom::
<drop src="#foo" />
Replace
~~~~~~~
Replace an element with another::
<replace src="#foo" dst="#bar" />
Replaces "#dst" with "#src"
Class
~~~~~
Add or remove classes from an element::
<class src="#foo" add="three four" remove="one two" />
Remove the classes "one" and "two" from "#foo" and add
the classes "three" and "four".
Tag
~~~
Change a tag::
<tag src="#foo" tag="p" />
Group
~~~~~
Group rules together with a conditions::
<group if-content="#foo">
<drop src="#bar" />
</group>
Performs some rules if "#foo" is in the document.
Conditions
----------
if-content
~~~~~~~~~~
Performs actions if the selector is found in the document::
<after src="#foo" dst="#bar" if-content="#foo" />
not conditiion
~~~~~~~~~~~~~~
Any condition can be negated for the opposite affect::
<drop src="#foo" if-not-content="#bar" />
Extending
---------
Creating a Rule::
from bumblebee.rules import BaseDouble
class Append(BaseDouble):
def __call__(self, root):
src, dst, skip = self.process_nodes(root)
if skip:
return None
dst = dst[0]
for el in dst:
dst.append(el)
return src
from bumblebee.xml import addTag
addTag('append', Append)
To use the rule, you would::
<append src="#foo" dst="#bar" />
Creating a Condition::
from bumblebee.conditions import BaseIf
class IfPath(BaseIf):
def __init__(self, path, extras={}):
super(IfPath, self).__init__(extras)
self.path = path
def __call__(self, root):
req = self.extras['request']
path = req['PATH_INFO']
if self.path.startswith('/'):
return path.startswith(self.path)
else:
return self.path in path
from bumblebee.xml import addCondition
addCondition('path', IfPath)
To use this condition, you would::
<drop src="#foo" if-path="/foo/bar" />
or::
<drop src="#foo" if-not-path="/foo/bar" />
CHANGELOG
=========
1.0a2 ~ (2011-09-22)
--------------------
- add support for arbitrary html
- better support for adding new selectors, conditions, rules
- better parsing
- better handle extras parameters so that rules can be more
easily cached
نحوه نصب
نصب پکیج whl Bumblebee-1.0a2:
pip install Bumblebee-1.0a2.whl
نصب پکیج tar.gz Bumblebee-1.0a2:
pip install Bumblebee-1.0a2.tar.gz