Trivia is simple but powerful Python Template. It was designed for making nice and easy HTML templates.
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# Copyright (C) 2005 Petko Petkov (GNUCITIZEN) ppetkov@gnucitizen.org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import re
class Template(unicode):
"""
Trivia Template Object
"""
def __init__(self, string):
self.code = None
unicode.__init__(self, string)
self.compile()
def __mod__(self, globals):
"""
x.__mod__(globals) <==> x % other
Expand template using globals.
"""
locals = {'_':''}
exec self.code in globals, locals
return locals['_']
def tokenize(self):
"""
tokenize(self) -> generator
Split self into tokens and return generator object.
"""
for token in re.split('(<\?.*?\?>)', self):
if token.startswith('<?') and token.endswith('?>'):
yield token
else:
for ref in re.split('(###[\w_.]*)', token):
yield ref
def compile(self):
"""
compile(self) -> None
Compile self into Python code.
"""
if self.code is not None:
return
level = 0
source = ''
for token in self.tokenize():
indent = ' ' * level * 2
if token.startswith('###'):
source = source + '%s_ = _ + %s\n' % \
(indent, token[3:].strip())
elif token.startswith('<?') and token.endswith('?>'):
content = token[2:-2]
if content == 'end':
level = level - 1
elif content.startswith('if ') \
or content.startswith('for ') \
or content.startswith('while '):
source = source + '%s%s:\n' % (indent, content)
level = level + 1
elif content.startswith('='):
source = source + '%s_ = _ + %s\n' % \
(indent, content[1:].strip())
else:
source = source + '%s_ = _ + """%s"""\n' % \
(indent, token.replace('"""', r'\"\"\"'))
self.code = compile(source, '<string>', 'exec')
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I coded this Template in less than 30 minutes. Trivia provides you with simple interface for building documents out of HTML templates. This package is most suitable for HTML templates as I mentioned earlier but you can use it almost on every Text format.
I spent a few minutes on the actual design. My primary idea was to make template that is as simple as Python. This is how you can use it:
from trivia import Template file = open(template.html) mytemplate = Template(file.read()) print mytemplate % {title:This is the title, posts:[]}
Once you create template the actual content will be compiled into python code.
The template syntax is as follows:
###title
This is my blog page and these are some of the stuff that you can
do with it
DISPLAY POSTS
###post.title
<p>###post.content</p>
However we can put post.content in this way:
Read the code for more information
Code for the template. Interesting looking recipe. Could you escape the html in your template example so that it shows up?
Escape. Sorry about that. Here it is.
<html>
<head>
</head>
<body>
</body>
</html>