def apps_list(request):
"""
Show list of applications with enabled administrative interface and all models in each application.
"""
# get list of all applications with admin.py file
apps = [appname for appname in installed_apps() if os.path.exists(os.path.join(appname, "admin.py"))]
apps_models = []
# get list of all models in each application
for app_name in apps:
apps_models.append((app_name, _models_list(app_name)))
return request.render("admin/apps_list", apps=apps_models)
def prepare_template_engine(self):
# load template tags and set global template directory
if not django_settings.TEMPLATE_DIRS:
django_settings.TEMPLATE_DIRS = (os.path.join(self._project_dir, 'templates'), )
# use patched and additional template tags
template.register_template_library('gae.tags')
# register template tags for each application
for app_name in installed_apps():
try:
mod = __import__("apps.%s.tags" % app_name, globals(), {}, app_name)
template.django.template.libraries[app_name] = mod.register
except ImportError:
pass
def _map_urls(self, app_name, parent_rule={}):
urls = []
if app_name not in installed_apps():
raise Exception("Application %s defined in rule %r is not exists" % (app_name, parent_rule))
for rule in get_config('%s.urls' % app_name, {}):
if "url" not in rule:
raise Exception("Not defined 'url' argument in the urls mapping for application '%s'. Rule: %r" % (app_name, rule))
if "run" not in rule:
raise Exception("Not defined 'run' argument in the urls mapping for application '%s'. Rule: %r" % (app_name, rule))
if rule["run"].count('.') == 1: # run: app.controller
try:
rule['url'] = self._prepare_url(rule['url'], parent_rule.get('url'))
except IncorrectUrlDefinition, e:
raise IncorrectUrlDefinition("Url rule %r in app %s is incorrect. Error: %s" % (rule, app_name, e))
urls.append(rule)
elif rule["run"].count('.') == 0: # run: app
urls.extend(self._map_urls(rule["run"], rule))
def load_models():
'''
Load models from all installed applications.
This is need to resolve conflict with references between
some models placed in different applications.
'''
flag_name = "gae_models_loaded"
if flag_name in db._kind_map:
return False
for app_name in installed_apps():
try:
app_models = __import__("apps.%s.models" % app_name, {}, {}, ["models"])
except ImportError, e:
logging.warning("File 'apps/%s/models.py' not loaded. %s" % (app_name, e))
continue
models = [getattr(app_models, model_name) for model_name in dir(app_models) if not model_name.startswith("_") and model_name[0].isupper()]
for model in models:
db._kind_map[model.kind()] = model
"""
Wrapper for loading templates from apps "templates" directories.
"""
import os, sys, logging
from django.conf import settings
from django.template import TemplateDoesNotExist
from django.template.loader import BaseLoader
from django.utils._os import safe_join
from gae.tools import installed_apps
# At compile time, cache the directories to search.
fs_encoding = sys.getfilesystemencoding() or sys.getdefaultencoding()
app_template_dirs = {}
for app in installed_apps():
template_dir = os.path.join('apps', app, 'templates')
if os.path.isdir(template_dir):
app_template_dirs[app] = template_dir.decode(fs_encoding)
class Loader(BaseLoader):
is_usable = True
def get_template_sources(self, template_name, template_dirs=None):
"""
Returns the absolute paths to "template_name", when appended to each
directory in "template_dirs". Any paths that don't lie inside one of the
template dirs are excluded from the result set, for security reasons.
"""
if not template_dirs:
template_dirs = app_template_dirs
def __init__(self):
# get list of configuration files
apps_configs = [(app_name, os.path.abspath(os.path.join('apps', app_name, "config.yaml"))) for app_name in installed_apps()]
# load configuration files
for app_name, app_config in apps_configs:
self._apps_configs[app_name] = self._load_config(app_config)
def installed_apps(self):
return installed_apps()
