1
"""Support for Zope Page Templates using the simpletal library."""
8
from simpletal import simpleTAL, simpleTALES
10
logging.getLogger("simpleTAL").setLevel(logging.INFO)
11
logging.getLogger("simpleTALES").setLevel(logging.INFO)
16
tinstance = _zpt_cache.get(tfile)
18
if tinstance is None or tinstance.stat != stat:
19
tinstance = _zpt_cache[tfile] = TemplateWrapper(
20
simpleTAL.compileXMLTemplate(open(tfile)), tfile, stat)
24
class TemplateWrapper(object):
26
def __init__(self, template, filename, stat):
27
self.template = template
28
self.filename = filename
31
def expand(self, **info):
32
context = simpleTALES.Context(allowPythonPath=1)
33
for k, v in info.iteritems():
34
context.addGlobal(k, v)
35
s = StringIO.StringIO()
36
self.template.expandInline(context, s)
39
def expand_into(self, f, **info):
40
context = simpleTALES.Context(allowPythonPath=1)
41
for k, v in info.iteritems():
42
context.addGlobal(k, v)
43
self.template.expand(context, f, 'utf-8')
47
return self.template.macros
50
def load_template(classname):
51
"""Searches for a template along the Python path.
53
Template files must end in ".pt" and be in legitimate packages.
54
Templates are automatically checked for changes and reloaded as
57
divider = classname.rfind(".")
59
package = classname[0:divider]
60
basename = classname[divider+1:]
62
raise ValueError, "All templates must be in a package"
64
tfile = pkg_resources.resource_filename(
65
package, "%s.%s" % (basename, "pt"))