Current File : //usr/share/doc/python-jinja2-2.7.2/examples/rwbench/djangoext.py
# -*- coding: utf-8 -*-
from rwbench import ROOT
from os.path import join
from django.conf import settings
settings.configure(
TEMPLATE_DIRS=(join(ROOT, 'django'),),
TEMPLATE_LOADERS=(
('django.template.loaders.cached.Loader', (
'django.template.loaders.filesystem.Loader',
)),
)
)
from django.template import loader as django_loader, Context as DjangoContext, \
Node, NodeList, Variable, TokenParser
from django import template as django_template_module
from django.template import Library
# for django extensions. We monkey patch our extensions in so that
# we don't have to initialize a more complex django setup.
django_extensions = django_template_module.Library()
django_template_module.builtins.append(django_extensions)
from rwbench import dateformat
django_extensions.filter(dateformat)
def var_or_none(x):
if x is not None:
return Variable(x)
# and more django extensions
@django_extensions.tag
def input_field(parser, token):
p = TokenParser(token.contents)
args = [p.value()]
while p.more():
args.append(p.value())
return InputFieldNode(*args)
@django_extensions.tag
def textarea(parser, token):
p = TokenParser(token.contents)
args = [p.value()]
while p.more():
args.append(p.value())
return TextareaNode(*args)
@django_extensions.tag
def form(parser, token):
p = TokenParser(token.contents)
args = []
while p.more():
args.append(p.value())
body = parser.parse(('endform',))
parser.delete_first_token()
return FormNode(body, *args)
class InputFieldNode(Node):
def __init__(self, name, type=None, value=None):
self.name = var_or_none(name)
self.type = var_or_none(type)
self.value = var_or_none(value)
def render(self, context):
name = self.name.resolve(context)
type = 'text'
value = ''
if self.type is not None:
type = self.type.resolve(context)
if self.value is not None:
value = self.value.resolve(context)
tmpl = django_loader.get_template('_input_field.html')
return tmpl.render(DjangoContext({
'name': name,
'type': type,
'value': value
}))
class TextareaNode(Node):
def __init__(self, name, rows=None, cols=None, value=None):
self.name = var_or_none(name)
self.rows = var_or_none(rows)
self.cols = var_or_none(cols)
self.value = var_or_none(value)
def render(self, context):
name = self.name.resolve(context)
rows = 10
cols = 40
value = ''
if self.rows is not None:
rows = int(self.rows.resolve(context))
if self.cols is not None:
cols = int(self.cols.resolve(context))
if self.value is not None:
value = self.value.resolve(context)
tmpl = django_loader.get_template('_textarea.html')
return tmpl.render(DjangoContext({
'name': name,
'rows': rows,
'cols': cols,
'value': value
}))
class FormNode(Node):
def __init__(self, body, action=None, method=None):
self.body = body
self.action = action
self.method = method
def render(self, context):
body = self.body.render(context)
action = ''
method = 'post'
if self.action is not None:
action = self.action.resolve(context)
if self.method is not None:
method = self.method.resolve(context)
tmpl = django_loader.get_template('_form.html')
return tmpl.render(DjangoContext({
'body': body,
'action': action,
'method': method
}))
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