def __init__(self, name, import_name, parts_templates=('parts.html',)):
from flask import Blueprint
url_prefix = '/{0}'.format(name)
self.parts_templates = list(parts_templates)
self.blueprint = Blueprint(name, import_name,
static_folder='static',
template_folder='templates',
url_prefix=url_prefix)
self.route = self.blueprint.route
self.rendering_adapter = RenderingAdapter()
self.container = None
self.name = name
self.lookup = TemplatePathLookup(dirs=[(self.blueprint.root_path, self.blueprint.template_folder)])
self.module_location = url_prefix + self.blueprint.static_url_path
self._module = None
self._module_time_stamp = None
class Component:
def __init__(self, name, import_name, parts_templates=('parts.html',)):
from flask import Blueprint
url_prefix = '/{0}'.format(name)
self.parts_templates = list(parts_templates)
self.blueprint = Blueprint(name, import_name,
static_folder='static',
template_folder='templates',
url_prefix=url_prefix)
self.route = self.blueprint.route
self.rendering_adapter = RenderingAdapter()
self.container = None
self.name = name
self.lookup = TemplatePathLookup(dirs=[(self.blueprint.root_path, self.blueprint.template_folder)])
self.module_location = url_prefix + self.blueprint.static_url_path
self._module = None
self._module_time_stamp = None
@property
def module(self):
module_def_path = os.path.join(self.blueprint.static_folder, 'module.json')
if self._module_time_stamp is not None:
timestamp = os.path.getmtime(module_def_path)
if timestamp <= self._module_time_stamp:
return self._module
if os.path.isfile(module_def_path):
self._module_time_stamp = os.path.getmtime(module_def_path)
with open(module_def_path) as f:
self._module = json.loads(f.read())
return self._module
def render_parts(self, name, **context):
self._assert_registered()
return self.rendering_adapter.render_parts(
lookup=self.lookup,
template_names=self.parts_templates,
part_name=name,
**self.container.get_context(context))
def render_template(self, template_name, **context):
self._assert_registered()
return self.rendering_adapter.render_template(
lookup=self.lookup,
template_name=template_name,
**self.container.get_context(context))
def register(self, container):
self._assert_not_registered()
self.container = container
self.rendering_adapter = container.rendering_adapter
self.lookup.parent = container.lookup
def _assert_not_registered(self):
assert self.container is None, 'Plugin {0} is already registered into container'.format(self.name)
def _assert_registered(self):
assert self.container is not None, 'Plugin {0} is not registered into container'.format(self.name)
