2
# This program is free software; you can redistribute it and/or modify
3
# it under the terms of the GNU General Public License as published by
4
# the Free Software Foundation; either version 2 of the License, or
5
# (at your option) any later version.
7
# This program is distributed in the hope that it will be useful,
8
# but WITHOUT ANY WARRANTY; without even the implied warranty of
9
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10
# GNU General Public License for more details.
12
# You should have received a copy of the GNU General Public License
13
# along with this program; if not, write to the Free Software
14
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
"""Support for Zope Page Templates using the simpletal library."""
23
from simpletal import simpleTAL, simpleTALES
25
logging.getLogger("simpleTAL").setLevel(logging.INFO)
26
logging.getLogger("simpleTALES").setLevel(logging.INFO)
31
tinstance = _zpt_cache.get(tfile)
33
if tinstance is None or tinstance.stat != stat:
34
tinstance = _zpt_cache[tfile] = TemplateWrapper(
35
simpleTAL.compileXMLTemplate(open(tfile)), tfile, stat)
39
class TemplateWrapper(object):
41
def __init__(self, template, filename, stat):
42
self.template = template
43
self.filename = filename
46
def expand(self, **info):
47
context = simpleTALES.Context(allowPythonPath=1)
48
for k, v in info.iteritems():
49
context.addGlobal(k, v)
50
s = StringIO.StringIO()
51
self.template.expandInline(context, s)
54
def expand_into(self, f, **info):
55
context = simpleTALES.Context(allowPythonPath=1)
56
for k, v in info.iteritems():
57
context.addGlobal(k, v)
58
self.template.expand(context, f, 'utf-8')
62
return self.template.macros
65
def load_template(classname):
66
"""Searches for a template along the Python path.
68
Template files must end in ".pt" and be in legitimate packages.
69
Templates are automatically checked for changes and reloaded as
72
divider = classname.rfind(".")
74
package = classname[0:divider]
75
basename = classname[divider+1:]
77
raise ValueError, "All templates must be in a package"
79
tfile = pkg_resources.resource_filename(
80
package, "%s.%s" % (basename, "pt"))