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Added support for signals

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This commit is contained in:
Armin Ronacher 2010-07-17 14:39:28 +02:00
parent a59dfe4a77
commit e0712b47c6
10 changed files with 212 additions and 4 deletions
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14
flask/templating.py
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@ -11,6 +11,7 @@
from jinja2 import BaseLoader, FileSystemLoader, TemplateNotFound
from .globals import _request_ctx_stack
from .signals import template_rendered
def _default_template_ctx_processor():
@ -59,6 +60,13 @@ class _DispatchingJinjaLoader(BaseLoader):
return result
def _render(template, context, app):
"""Renders the template and fires the signal"""
rv = template.render(context)
template_rendered.send(app, template=template, context=context)
return rv
def render_template(template_name, **context):
"""Renders a template from the template folder with the given
context.
@ -69,7 +77,8 @@ def render_template(template_name, **context):
"""
ctx = _request_ctx_stack.top
ctx.app.update_template_context(context)
return ctx.app.jinja_env.get_template(template_name).render(context)
return _render(ctx.app.jinja_env.get_template(template_name),
context, ctx.app)
def render_template_string(source, **context):
@ -83,4 +92,5 @@ def render_template_string(source, **context):
"""
ctx = _request_ctx_stack.top
ctx.app.update_template_context(context)
return ctx.app.jinja_env.from_string(source).render(context)
return _render(ctx.app.jinja_env.from_string(source),
context, ctx.app)