Tree model markup builder.
Project description
Pure pythonic tree structure builder and markup language translator. No dependencies, quite fast, pretty syntax, no templates.
Enter tree nodes with python’s context managers.
Cast the tree to given markup, just by calling str on it.
Enjoy 1:1 translation from python to given markup.
Basically it’s suited for XML and similar markups (SVG, HTML) but it can be used for probably any structured markup.
XML Example
from xplant import xml_plant
x = xml_plant()
with x.node("section_a", attribute_1=1):
with x.node("nested_1", empty=True):
pass
with x.node("nested_2"):
x.comment("Can handle also comments.")
for number in range(3):
x.leaf("a_number_{:02}".format(number), num=number)Will give:
<?xml version="1.0" encoding="utf-8"?>
<section_a attribute_1="1">
<nested_1 empty="true"></nested_1>
<nested_2>
<!-- Can handle also comments. -->
<a_number_00 num="0" />
<a_number_01 num="1" />
<a_number_02 num="2" />
</nested_2>
</section_a>HTML generation Example
css = """
ul.navigation {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
background-color: #f2fff5;
}
li {
float: left;
}
li a {
display: block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
code {
background-color: #ded;
padding: 4px;
border-radius: 3px;
}
"""
navigation = [
("Home", "../home.html", "red"),
("Things", "stuff.html", "green"),
("About", "../about.html", "blue"),
]
text = [
"This page has ben generated with python's <code> xplant.html.html5_plant </code>.",
"Enjoy pure pythonic <code>1:1 python -> xml</code> translation.",
"break",
"Did you ever had hard times with learning <code>HTML template language</code>? ",
"It's a crude way to mix HTML with any logics like iterators, classes, conditions.",
"break",
"You know what? You already have all of it (and much more) in <code>python</code>! ",
"HTML templates is a blind alley. HTML does not miss server-side scripting.",
"The python miss a good HTML generator not vice versa.",
]
from xplant import html5_plant
x = html5_plant()
with x.html():
with x.head():
x.meta(charset="utf-8")
x.meta(http_equiv="Content-Security-Policy")
x.line("title", "no templates, no headache")
# line is a helper for creating text in a xml tag
with x.style():
x.text(css)
with x.body(style="margin:28px;"):
with x.header():
x.line("h2", "XPLANT", id="title")
x.line("h4", "It makes good things for you")
x.comment("HERE COMES THE NAVIGATION")
with x.ul(id="navigation"):
x.comment("CHECK OUT THIS LIST")
for name, link_url, link_color in navigation:
with x.li():
with x.a(href=link_url, style="color:%s;" % link_color):
x.text("%s in %s" % (name, link_color))
x.comment("HERE COMES MAIN SECTION")
with x.main(style="margin:20px;"):
for paragraph in text:
with x.p():
if paragraph == "break":
x.br()
else:
x.text(paragraph)
print(p)Gives such a string:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="Content-Security-Policy" />
<title>no templates, no headache</title>
<style>
ul.navigation {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
background-color: #f2fff5;
}
li {
float: left;
}
li a {
display: block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
code {
background-color: #ded;
padding: 4px;
border-radius: 3px;
}
</style>
</head>
<body style="margin:28px;">
<header>
<h2 id="title">XPLANT</h2>
<h4>It makes good things for you</h4>
</header>
<!-- HERE COMES THE NAVIGATION -->
<ul id="navigation">
<!-- CHECK OUT THIS LIST -->
<li><a href="../home.html" style="color:red;">Home in red</a></li>
<li><a href="stuff.html" style="color:green;">Things in green</a></li>
<li><a href="../about.html" style="color:blue;">About in blue</a></li>
</ul>
<!-- HERE COMES MAIN SECTION -->
<main style="margin:20px;">
<p>This page has ben generated with python's <code> xplant.html.html5_plant </code>.</p>
<p>Enjoy pure pythonic <code>1:1 python -> xml</code> translation.</p>
<p><br /></p>
<p>Did you ever had hard times with learning <code>HTML template language</code>? </p>
<p>It's a crude way to mix HTML with any logics like iterators, classes, conditions.</p>
<p><br /></p>
<p>You know what? You already have all of it (and much more) in <code>python</code>! </p>
<p>HTML templates is a blind alley. HTML does not miss server-side scripting.</p>
<p>The python miss a good HTML generator not vice versa.</p>
</main>
</body>
</html>
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