# Connect to MySQL and set up Spiff Guard.
db = create_engine(dbn)
guard = SpiffGuard.DB(db)
# Set up an environment for the package manager.
page_db = PageDB(guard)
page = page_db.get('default')
request = DummyRequest()
api = ExtensionApi(object,
guard = guard,
page_db = page_db,
request = request)
# Init the package manager.
pm = PackageManager(guard, api, package = SpiffPackage)
pm.set_package_dir(config.package_dir)
def pkg_check_dependencies(pm, package):
print "Checking dependencies of %s..." % package.get_name(),
error = False
for dependency in package.get_dependency_list():
if pm.get_package_from_descriptor(dependency) is None:
print "\nUnmet dependency:", dependency
error = True
if error:
return False
print "done."
return True
def run(self):
if not self._check_configured():
return
if not self._check_installer_deleted():
return
# Set up the session and database adapters.
self.request.start_session()
page_db = PageDB(self.get_guard())
user_db = UserDB(self.get_guard())
cache = CacheDB(self, self.get_guard())
self.bench.snapshot('set_up', 'Set-up time is %ss.')
# Can not open some pages by addressing them directly.
page_handle = self.request.get_data().get_str('page')
if page_db.is_system_page_handle(page_handle):
self.request.set_status(403)
self.request.write('%s is a system page.' % repr(page_handle))
return
# Find the current page using the given cgi variables.
# If the specific site is not found, attempt to find a parent that
# handles content recursively.
page = page_db.get_responsible_page(page_handle)
self.bench.snapshot('page_find', 'Looked up the page in %ss.')
# If we still have no page, give 404.
if page is None:
self.request.set_status(404)
self.request.write('Default page not found.')
return
self.set_requested_page(page)
self.bench.snapshot('page_open', 'Opened the page in %ss.')
# If the output of ALL extensions is cached (combined), there is no need
# to redraw the page, including headers and footer.
# Note that the cache only returns pages corresponding to the permissions
# of the current user, so this is safe.
if not self.request.has_post_data():
output = cache.get_page()
self.bench.snapshot('cache_check', 'Spent %ss checking the cache.')
if output is not None:
self.request.write(output)
self._render_footer()
return
self.bench.snapshot('cache_check', 'Spent %ss checking the cache.')
# Set up the plugin manager (Integrator). Note that the constructor
# of PackageManager also associates the api with a reference to the
# PackageManager instance.
api = ExtensionApi(self,
guard = self.get_guard(),
page_db = page_db,
cache = cache,
request = self.request)
pm = PackageManager(self.get_guard(), api, package = SpiffPackage)
pm.set_package_dir(config.package_dir)
self.bench.snapshot('package_load', 'Package manager loaded in %ss.')
# Ending up here the entire page was not cached.
# Make sure that the caller has permission to retrieve this page.
if page.get_attribute('private') and not self.current_user_may('view'):
url = self.request.get_url(page = 'admin/login',
refer_to = self.get_requested_uri())
return self.refer_to(url)
self.bench.snapshot('permission_check', 'Permission checked in %ss.')
# Render the HTML headers.
self._render_head()
self.bench.snapshot('render_header', 'Headers rendered in %ss.')
# Render the layout. This also invokes the plugins.
self.output += page.get_output(api)
self.bench.snapshot('render_plugins', 'Plugins rendered in %ss.')
# Cache the page (if it is cacheable).
if page.is_cacheable() and len(self.request.get_headers()) == 0:
cache.add_page(self.output)
self.bench.snapshot('cache_add', 'Added to cache in %ss.')
# Yippie.
self.request.write(self.output)
self._render_footer()