def __init__(self, tree, config, namespace, test_portal=None):
"""Initialize and associate with a given tree.
Args:
tree: A mimic.common.Tree object.
config: The app's config loaded from the app's app.yaml.
namespace: The datastore and memcache namespace used for metadata.
test_portal: An object that can be used to exchange data with target code
during tests. If this value is not None, then any loaded modules will
be initialized with a _test_portal attribute that points to the
supplied object.
"""
# throws BadValueError
namespace_manager.validate_namespace(namespace)
self._tree = tree
self._namespace = namespace
self._active = False
self._saved_sys_path = None
self._saved_sys_modules = None
self._test_portal = test_portal
self._saved_open = open
self._main_method = ''
self._wsgi_app_name = None
self._patches = []
self._static_file_patterns = self._CreateStaticFilePatterns(config)
self._skip_files_pattern = self._CreateSkipFilesPattern(config)
# TODO: separate out the patches into separate classes to reduce
# dependency creep and clean up this class.
# patches for builtins
for name, value in [('open', self._CustomOpen), ('file', MimicFile)]:
self.AddPatch(patch.BuiltinPatch(name, value))
# patches for the os module
#
# TODO: need to patch lstat, open, readlink, stat, walk
for name, value in [
('access', self._Access),
('getcwd', self._GetCwd),
('getcwdu', lambda: unicode(self._GetCwd())),
('listdir', self._ListDir),
('remove', self._Unlink),
('rename', self._Rename),
('unlink', self._Unlink),
('stat', self._Stat),
]:
self.AddPatch(patch.AttributePatch(os, name, value))
# patches for os.path
for name, value in [
('isdir', self._IsDir),
('isfile', self._IsFile),
('islink', self._IsLink),
]:
self.AddPatch(patch.AttributePatch(os.path, name, value))
# patch for datastore
self.AddPatch(composite_query.CompositeQueryPatch())
def __init__(self, tree, config, namespace, test_portal=None):
"""Initialize and associate with a given tree.
Args:
tree: A mimic.common.Tree object.
config: The app's config loaded from the app's app.yaml.
namespace: The datastore and memcache namespace used for metadata.
test_portal: An object that can be used to exchange data with target code
during tests. If this value is not None, then any loaded modules will
be initialized with a _test_portal attribute that points to the
supplied object.
"""
# throws BadValueError
namespace_manager.validate_namespace(namespace)
self._tree = tree
self._namespace = namespace
self._active = False
self._saved_sys_path = None
self._saved_sys_modules = None
self._test_portal = test_portal
self._saved_open = open
self._main_method = ''
self._wsgi_app_name = None
self._patches = []
self._static_file_patterns = self._CreateStaticFilePatterns(config)
self._skip_files_pattern = self._CreateSkipFilesPattern(config)
# TODO: separate out the patches into separate classes to reduce
# dependency creep and clean up this class.
# patches for builtins
for name, value in [('open', self._CustomOpen),
('file', MimicFile)]:
self.AddPatch(patch.BuiltinPatch(name, value))
# patches for the os module
#
# TODO: need to patch lstat, open, readlink, stat, walk
for name, value in [('access', self._Access),
('getcwd', self._GetCwd),
('getcwdu', lambda: unicode(self._GetCwd())),
('listdir', self._ListDir),
('remove', self._Unlink),
('rename', self._Rename),
('unlink', self._Unlink),
('stat', self._Stat),
]:
self.AddPatch(patch.AttributePatch(os, name, value))
# patches for os.path
for name, value in [('isdir', self._IsDir),
('isfile', self._IsFile),
('islink', self._IsLink),
]:
self.AddPatch(patch.AttributePatch(os.path, name, value))
# patch for datastore
self.AddPatch(composite_query.CompositeQueryPatch())
def __init__(self,config=False,**kwargs):
if config is False:
raise exceptions.ConfigRequired()
else:
self.config = config
# :: Namespace is usually extracted from subdomain - set via initialized keyword parameter
if self.config.get('enable','multitenancy',False):
_m_log = self.config.get('logging','multitenancy',False)
if self.config.get('force_namespace','multitenancy', False):
if isinstance(self.config.get('force_namespace','multitenancy',False), (str, unicode)) and self.config.get('force_namespace','multitenancy',False) is not '':
if namespace_manager.validate_namespace(self.config.get('force_namespace','multitenancy',False)):
if _m_log: logging.info('[i]: Setting request namespace to \''+config_get('force_namespace','multitenancy',False)+'\'.')
namespace_manager.set_namespace(self.config.get('force_namespace','multitenancy',False))
else:
if 'namespace' in kwargs or self.config.get('apps_mode_force', 'multitenancy', False):
if kwargs['namespace'] == self.config.get('apps_subdomain','multitenancy','apps') or self.config.get('apps_mode_force', 'multitenancy', False):
if _m_log: logging.info('[i]: Setting request namespace to \''+namespace_manager.google_apps_namespace()+'\' per APPS procedure.')
namespace_manager.set_namespace(namespace_manager.google_apps_namespace())
else:
if isinstance(kwargs['namespace'], (str, unicode)) and namespace_manager.validate_namespace(kwargs['namespace']):
if _m_log: logging.info('[i]: Setting request namespace to \''+kwargs['namespace']+'\' per domain split procedure.')
namespace_manager.set_namespace(kwargs['namespace'])
else:
if kwargs['namespace'] is not None:
if _m_log: logging.info('[i]: Given namespace \''+str(kwargs['namespace'])+'\' failed to pass validation. Ignoring.')
if 'version' in kwargs:
self.version = kwargs['version']
super(Platform, self).__init__()
def get_all_courses(rules_text=None):
"""Reads all course rewrite rule definitions from environment variable."""
# Normalize text definition.
if not rules_text:
rules_text = GCB_COURSES_CONFIG.value
rules_text = rules_text.replace(',', '\n')
# Use cached value if exists.
cached = ApplicationContext.ALL_COURSE_CONTEXTS_CACHE.get(rules_text)
if cached:
return cached
# Compute the list of contexts.
rules = rules_text.split('\n')
slugs = {}
namespaces = {}
all_contexts = []
for rule in rules:
rule = rule.strip()
if not rule or rule.startswith('#'):
continue
parts = rule.split(':')
# validate length
if len(parts) < 3:
raise Exception('Expected rule definition of the form '
' \'type:slug:folder[:ns]\', got %s: ' % rule)
# validate type
if parts[0] != SITE_TYPE_COURSE:
raise Exception('Expected \'%s\', found: \'%s\'.'
% (SITE_TYPE_COURSE, parts[0]))
site_type = parts[0]
# validate slug
slug = parts[1]
slug_parts = urlparse.urlparse(slug)
if slug != slug_parts[2]:
raise Exception(
'Bad rule: \'%s\'. '
'Course URL prefix \'%s\' must be a simple URL fragment.' % (
rule, slug))
if slug in slugs:
raise Exception(
'Bad rule: \'%s\'. '
'Course URL prefix \'%s\' is already defined.' % (rule, slug))
slugs[slug] = True
# validate folder name
if parts[2]:
folder = parts[2]
# pylint: disable-msg=g-long-lambda
create_fs = lambda unused_ns: LocalReadOnlyFileSystem(
logical_home_folder=folder)
else:
folder = '/'
# pylint: disable-msg=g-long-lambda
create_fs = lambda ns: DatastoreBackedFileSystem(
ns=ns,
logical_home_folder=appengine_config.BUNDLE_ROOT,
inherits_from=LocalReadOnlyFileSystem(logical_home_folder='/'),
inheritable_folders=GCB_INHERITABLE_FOLDER_NAMES)
# validate or derive namespace
namespace = appengine_config.DEFAULT_NAMESPACE_NAME
if len(parts) == 4:
namespace = parts[3]
else:
if folder and folder != '/':
namespace = '%s%s' % (GCB_BASE_COURSE_NAMESPACE,
folder.replace('/', '-'))
try:
namespace_manager.validate_namespace(namespace)
except Exception as e:
raise Exception(
'Error validating namespace "%s" in rule "%s"; %s.' % (
namespace, rule, e))
if namespace in namespaces:
raise Exception(
'Bad rule \'%s\'. '
'Namespace \'%s\' is already defined.' % (rule, namespace))
namespaces[namespace] = True
all_contexts.append(ApplicationContext(
site_type, slug, folder, namespace,
AbstractFileSystem(create_fs(namespace)),
raw=rule))
_validate_appcontext_list(all_contexts)
# Cache result to avoid re-parsing over and over.
ApplicationContext.ALL_COURSE_CONTEXTS_CACHE = {rules_text: all_contexts}
return all_contexts
def GetNamespace(): namespace = GetProjectId(os.environ, common.IsDevMode()) or '' # throws BadValueError namespace_manager.validate_namespace(namespace) return namespace
def validate_namespace(namespace):
if namespace is not None:
if not namespace:
raise ValueError("Invalid namespace: {!r}".format(namespace))
namespace_manager.validate_namespace(namespace, exception=ValueError)
def validate_namespace(namespace):
if namespace is not None:
if not namespace:
raise ValueError('Invalid namespace: {!r}'.format(namespace))
namespace_manager.validate_namespace(namespace, exception=ValueError)
def __init__(self,config_override=None, *args, **kwargs):
## Setup globals
global version_major
global version_minor
global config_module
global import_item
global build
version = {'major':version_major,'minor':version_minor,'full':str(version_major)+'.'+str(version_minor)+' '+str(build),'build':build}
## Path Inserts
if '.' not in sys.path:
sys.path.insert(0,'.')
sys.path.insert(1,'lib')
sys.path.insert(2, 'distlib')
## Setup capabilities sets
_cap = capabilities.CapabilitySet
## Setup object proxies
self.config = c_config.PCConfigProxy()
self.log = c_log.PCLogProxy()
self.clock = c_clock.PCClockProxy()
self.state = c_state.PCStateProxy()
self.api = c_api.PCAPIProxy()
self.ext = c_ext.PCExtProxy()
## Link up with Platform
self.api._setPlatformParent(self)
self.log._setPlatformParent(self)
self.state._setPlatformParent(self)
self.clock._setPlatformParent(self)
self.ext._setPlatformParent(self)
self.config._setPlatformParent(self)
## Setup initial state
self.state.set('env',os.environ)
self.state.set('quotas', None)
self.state.set('namespace',namespace_manager.get_namespace())
self.state.set('capabilities', {'api':{
'images':{
'enabled':_cap('images').is_enabled(),
'crop':_cap('images',methods=['crop']).is_enabled(),
'get_serving_url':_cap('images',methods=['get_serving_url']).is_enabled(),
'resize':_cap('images',methods=['resize']).is_enabled(),
'rotate':_cap('images',methods=['rotate']).is_enabled()},
'datastore_v3':{
'enabled':_cap('datastore_v3').is_enabled(),
'write':_cap('datastore_v3',capabilities=['write']).is_enabled(),
'read':_cap('datastore_v3',capabilities=['read']).is_enabled(),
'put':_cap('datastore_v3',methods=['put']).is_enabled(),
'delete':_cap('datastore_v3',methods=['delete']).is_enabled(),
'get':_cap('datastore_v3',methods=['get']).is_enabled(),
'run_in_transaction':_cap('datastore_v3',methods=['run_in_transaction']).is_enabled(),
'run_in_transaction_custom_retries':_cap('datastore_v3',methods=['run_in_transaction']).is_enabled()},
'users':{
'enabled':_cap('users').is_enabled(),
'get_current_user':_cap('users',methods=['get_current_user']).is_enabled(),
'is_current_user_admin':_cap('users',methods=['is_current_user_admin']).is_enabled()},
'mail':{
'enabled':_cap('mail').is_enabled(),
'send_mail':_cap('mail',methods=['send_mail']).is_enabled(),
'send_mail_to_admins':_cap('mail',methods=['send_mail_to_admins']).is_enabled()},
'memcache':{
'enabled':_cap('memcache').is_enabled(),
'get':_cap('memcache',methods=['get']).is_enabled(),
'set':_cap('memcache',methods=['set']).is_enabled(),
'delete':_cap('memcache',methods=['delete']).is_enabled()},
'oauth':{
'enabled':_cap('oauth').is_enabled(),
'get_current_user':_cap('oauth',methods=['get_current_user']).is_enabled(),
'is_current_user_admin':_cap('oauth',methods=['is_current_user_admin']).is_enabled()},
'multitenancy':{
'enabled':_cap('multitenancy').is_enabled(),
'get_namespace':_cap('multitenancy',methods=['get_namespace']).is_enabled(),
'set_namespace':_cap('multitenancy',methods=['set_namespace']).is_enabled()},
'blobstore':{
'enabled':_cap('blobstore').is_enabled(),
'get':_cap('blobstore',methods=['get']).is_enabled(),
'delete':_cap('blobstore',methods=['delete']).is_enabled()},
'xmpp':{
'enabled':_cap('xmpp').is_enabled(),
'send_message':_cap('xmpp',methods=['send_message']).is_enabled(),
'send_invite':_cap('xmpp',methods=['send_invite']).is_enabled()},
'urlfetch':{
'enabled':_cap('urlfetch').is_enabled(),
'fetch':_cap('urlfetch',methods=['fetch']).is_enabled()}
}
})
## Load/resolve Config
if config_override is None:
config_mod, props = import_helper(['ProvidenceClarity','pc_config'],['get','dump','config'])
elif config_override is False or config_override == '':
raise exceptions.ConfigRequired()
else:
if isinstance(config_override, type(os)):
config_mod = config_override
elif isinstance(config_override, (str, basestring, unicode)):
config_mod, props = import_helper(config_override,['get','dump','config'])
elif isinstance(config_override, list):
config_mod, props = import_helper('.'.join(config_override))
else:
try:
config_mod, props = import_helper(['ProvidenceClarity',config_override],['get','dump','config'])
except ImportError: raise exceptions.InvalidConfig()
## Set configuration
self.config.setConfig(config_mod)
## Environment Vars - Split for Namespace
software_t = '/'.split(os.environ['SERVER_SOFTWARE'])
if software_t[0].lower() == 'development': platform = 'Dev';
else: platform = 'Production'
domain = os.environ['HTTP_HOST'].split(':')[0].split('.')
if domain[-1] == 'com':
subdomain = domain[0]
else:
subdomain = None
# :: Namespace is usually extracted from subdomain - set via initialized keyword parameter
if self.config.get('enable','multitenancy',False):
_m_log = self.config.get('logging','multitenancy',False)
if self.config.get('force_namespace','multitenancy', False):
if isinstance(self.config.get('force_namespace','multitenancy',False), (str, unicode)) and self.config.get('force_namespace','multitenancy',False) is not '':
if namespace_manager.validate_namespace(self.config.get('force_namespace','multitenancy',False)):
if _m_log: self.log.info('Setting request namespace to "%s".' % config_get('force_namespace','multitenancy',False))
namespace_manager.set_namespace(self.config.get('force_namespace','multitenancy',False))
else:
if 'namespace' in kwargs or self.config.get('apps_mode_force', 'multitenancy', False):
if kwargs['namespace'] == self.config.get('apps_subdomain','multitenancy','apps') or self.config.get('apps_mode_force', 'multitenancy', False):
if _m_log: self.log.info('Setting request namespace to Google Apps domain "%s".' % namespace_manager.google_apps_namespace())
namespace_manager.set_namespace(namespace_manager.google_apps_namespace())
else:
if isinstance(kwargs['namespace'], (str, unicode)) and namespace_manager.validate_namespace(kwargs['namespace']):
if _m_log: self.log.info('Setting request namespace to split domain "%s".' % kwargs['namespace'])
namespace_manager.set_namespace(kwargs['namespace'])
else:
if kwargs['namespace'] is not None:
if _m_log: self.log.info('Given namespace "%s" failed to pass validation. Ignoring.' % str(kwargs['namespace']))
if 'version' in kwargs:
self.version = kwargs['version']
else:
self.version = version
super(Platform, self).__init__(*args, **kwargs)
