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# Copyright (C) 2007 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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; version 2 only
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import re
import logging
import turbogears
import kid
from turbokid import kidsupport
from pkg_resources import resource_filename
def javascript_string_escape(input):
"""Escapes the ' " and \ characters in a string so
it can be embedded inside a dynamically generated string."""
return re.sub(r'[\'\"\\]',
lambda match: "\\%s" % match.group(),
input)
def setup_mv_fields(field, fieldname):
"""Given a field (must be a list) and field name, convert that
field into a list of dictionaries of the form:
[ { fieldname : v1}, { fieldname : v2 }, .. ]
This is how we pre-fill values for multi-valued fields.
"""
mvlist = []
if field:
for v in field:
if v:
mvlist.append({ fieldname : v } )
if len(mvlist) == 0:
# We need to return an empty value so something can be
# displayed on the edit page. Otherwise only an Add link
# will show, not an empty field.
mvlist.append({ fieldname : '' } )
return mvlist
def fix_incoming_fields(fields, fieldname, multifieldname):
"""This is called by the update() function. It takes the incoming
list of dictionaries and converts it into back into the original
field, then removes the multiple field.
"""
fields[fieldname] = []
try:
for i in range(len(fields[multifieldname])):
if fields[multifieldname][i][fieldname] is not None and len(fields[multifieldname][i][fieldname]) > 0:
fields[fieldname].append(fields[multifieldname][i][fieldname])
del(fields[multifieldname])
except Exception, e:
logging.warn("fix_incoming_fields error: " + str(e))
return fields
def load_template(classname, encoding=None):
"""
Loads the given template. This only handles .kid files.
Returns a tuple (compiled_tmpl, None) to emulate
turbogears.meta.load_kid_template() which ends up not properly handling
encoding.
"""
if not encoding:
encoding = turbogears.config.get('kid.encoding', kidsupport.KidSupport.assume_encoding)
divider = classname.rfind(".")
package, basename = classname[:divider], classname[divider+1:]
file_path = resource_filename(package, basename + ".kid")
tclass = kid.load_template(
file_path,
name = classname,
).Template
tclass.serializer = kid.HTMLSerializer(encoding=encoding)
tclass.assume_encoding=encoding
return (tclass, None)
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