1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
import os
from webob import Response
from zope.component import queryUtility
from zope.component.interfaces import ComponentLookupError
from zope.component import getSiteManager
from zope.interface import classProvides
from zope.interface import implements
from repoze.bfg.path import caller_path
from repoze.bfg.interfaces import ITemplateFactory
from repoze.bfg.interfaces import ITemplate
from repoze.bfg.interfaces import ISettings
from chameleon.zpt.template import PageTemplateFile
class ZPTTemplateFactory(object):
classProvides(ITemplateFactory)
implements(ITemplate)
def __init__(self, path, auto_reload=False):
try:
self.template = PageTemplateFile(path, auto_reload=auto_reload)
except ImportError, why:
why = str(why)
if 'z3c.pt' in why:
# unpickling error due to move from z3c.pt -> chameleon
cachefile = '%s.cache' % path
if os.path.isfile(cachefile):
os.remove(cachefile)
self.template = PageTemplateFile(path, auto_reload=auto_reload)
else:
raise
def __call__(self, **kw):
result = self.template.render(**kw)
return result
def _get_template(path, **kw):
# XXX use pkg_resources
template = queryUtility(ITemplate, path)
if template is None:
if not os.path.exists(path):
raise ValueError('Missing template file: %s' % path)
settings = queryUtility(ISettings)
auto_reload = settings and settings.reload_templates
template = ZPTTemplateFactory(path, auto_reload)
try:
sm = getSiteManager()
except ComponentLookupError:
pass
else:
sm.registerUtility(template, ITemplate, name=path)
return template
def get_template(path):
""" Return a ``chameleon.zpt`` template object at the
package-relative path (may also be absolute)"""
path = caller_path(path)
return _get_template(path).template
def render_template(path, **kw):
""" Render a ``chameleon.zpt`` template at the package-relative
path (may also be absolute) using the kwargs in ``*kw`` as
top-level names and return a string."""
path = caller_path(path)
template = get_template(path)
return template(**kw)
def render_template_to_response(path, **kw):
""" Render a ``chameleon.zpt`` template at the package-relative
path (may also be absolute) using the kwargs in ``*kw`` as
top-level names and return a Response object."""
path = caller_path(path)
result = render_template(path, **kw)
return Response(result)
|
