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
82
83
84
85
86
87
88
89
90
91
92
93
94
|
import sys
from webob import Response
from zope.interface import implements
try:
from chameleon.zpt.template import PageTemplateFile
except ImportError: # pragma: no cover
exc_class, exc, tb = sys.exc_info()
# Chameleon doesn't work on non-CPython platforms
class PageTemplateFile(object):
def __init__(self, *arg, **kw):
raise ImportError, exc, tb
from repoze.bfg.interfaces import IChameleonTranslate
from repoze.bfg.interfaces import IResponseFactory
from repoze.bfg.interfaces import ITemplateRenderer
from repoze.bfg.decorator import reify
from repoze.bfg.renderers import template_renderer_factory
from repoze.bfg.settings import get_settings
from repoze.bfg.threadlocal import get_current_registry
def renderer_factory(path):
return template_renderer_factory(path, ZPTTemplateRenderer)
class ZPTTemplateRenderer(object):
implements(ITemplateRenderer)
def __init__(self, path):
self.path = path
@reify # avoid looking up reload_templates before manager pushed
def template(self):
settings = get_settings()
auto_reload = settings and settings['reload_templates']
reg = get_current_registry()
translate = None
if reg is not None:
translate = reg.queryUtility(IChameleonTranslate)
return PageTemplateFile(self.path, auto_reload=auto_reload,
translate=translate)
def implementation(self):
return self.template
def __call__(self, value, system):
try:
system.update(value)
except (TypeError, ValueError):
raise ValueError('renderer was passed non-dictionary as value')
result = self.template(**system)
return result
def get_renderer(path):
""" Return a callable object which can be used to render a
:term:`Chameleon` ZPT template using the template implied by the
``path`` argument. The ``path`` argument may be a
package-relative path, an absolute path, or a :term:`resource
specification`."""
return renderer_factory(path)
def get_template(path):
""" Return the underlying object representing a :term:`Chameleon`
ZPT template using the template implied by the ``path`` argument.
The ``path`` argument may be a package-relative path, an absolute
path, or a :term:`resource specification`."""
renderer = renderer_factory(path)
return renderer.implementation()
def render_template(path, **kw):
""" Render a :term:`Chameleon` ZPT template using the template
implied by the ``path`` argument. The ``path`` argument may be a
package-relative path, an absolute path, or a :term:`resource
specification`. The arguments in ``*kw`` are passed as top-level
names to the template, and so may be used within the template
itself. Returns a string."""
renderer = renderer_factory(path)
return renderer(kw, {})
def render_template_to_response(path, **kw):
""" Render a :term:`Chameleon` ZPT template using the template
implied by the ``path`` argument. The ``path`` argument may be a
package-relative path, an absolute path, or a :term:`resource
specification`. The arguments in ``*kw`` are passed as top-level
names to the template, and so may be used within the template
itself. Returns a :term:`Response` object with the body as the
template result.."""
renderer = renderer_factory(path)
result = renderer(kw, {})
reg = get_current_registry()
response_factory = reg.queryUtility(IResponseFactory, default=Response)
return response_factory(result)
|
