frappe/py/webnotes/widgets/form/print_format.py

# Copyright (c) 2012 Web Notes Technologies Pvt Ltd (http://erpnext.com)
# 
# MIT License (MIT)
# 
# Permission is hereby granted, free of charge, to any person obtaining a 
# copy of this software and associated documentation files (the "Software"), 
# to deal in the Software without restriction, including without limitation 
# the rights to use, copy, modify, merge, publish, distribute, sublicense, 
# and/or sell copies of the Software, and to permit persons to whom the 
# Software is furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in 
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
# CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
# OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# 

import webnotes

@webnotes.whitelist()
def get():
	"""load print format by `name`"""
	import re

	html = get_html(webnotes.form.getvalue('name'))

	p = re.compile('\$import\( (?P<name> [^)]*) \)', re.VERBOSE)
	out_html = ''
	if html: 
		out_html = p.sub(substitute, html)

	webnotes.response['message'] = out_html
	
def substitute(match):
	"""return matched printformat by html"""
	name = match.group('name')
	return get_html(name)

def get_html(name):
	"""load html from db"""
	html = webnotes.conn.sql('select html from `tabPrint Format` where name="%s"' % name)
	return html and html[0][0] or ''