def _reload(self):
mtimes = {}
while 1:
try:
has_reload = False
sub_modules = set()
for filename, module, k in _iter_module_files():
filename = os.path.abspath(filename)
try:
mtime = os.stat(filename).st_mtime
except OSError:
continue
if filename.find(self.base_path)== -1:
continue
sub_modules.add(k)
old_time = mtimes.get(filename)
if old_time is None:
mtimes[filename] = mtime
continue
elif mtime > old_time:
mtimes[filename] = mtime
if module.__name__ in ['__main__']:
continue
reload(module)
has_reload = True
logging.info(' * Detected change in %r, reloading', filename)
if has_reload:
for k in sub_modules:
if k in ['__main__'] or k not in sys.modules:
continue
del sys.modules[k]
#self.importModule('controller')
for cls in XApplication.CONTROLLERS.values():
__import__(cls.__module__)
except:
logging.exception("reload error")
finally:
time.sleep(1)
def process(self, request):
logging.update()
controller = request.get('c')
action = request.get('a')
if controller and action:
controller = controller.lower()
action = action.lower().replace('_', '')
try:
controller_class_name = controller.title().replace('_', '') + 'Controller'
if not XApplication.CONTROLLERS.has_key(controller_class_name):
return BadRequest('CONTROLLER NOT FOUND %s' % controller_class_name)
controller_class = XApplication.CONTROLLERS[controller_class_name]
if not issubclass(controller_class, XController):
return BadRequest('BAD CONTROLLER CLASS')
controller_instance = controller_class(request, self)
if not isinstance(controller_instance, XController):
return BadRequest('BAD CONTROLLER INSTANCE')
action_method_name = 'do%s'%action.replace('_', '')
if not hasattr(controller_instance, action_method_name):
return BadRequest('METHOD NOT FOUND %s' % action_method_name)
action_method = getattr(controller_instance, action_method_name)
if not callable(action_method):
return BadRequest('%s.%s is not callable' %(controller_class_name, action_method_name) )
kwargs = {}
spec = inspect.getargspec(action_method)
func_args = spec.args[1:]
for k in func_args:
if request.args.has_key(k):
kwargs[k] = request.args.get(k)
# 由函数的默认值获取配置信息
if spec.defaults:
defaults = dict(zip(func_args[-(len(spec.defaults)):], spec.defaults))
mimetype = defaults.get('mimetype')
if mimetype:
controller_instance.mimetype = mimetype
charset = defaults.get('charset')
if charset in ['gbk', 'utf-8', 'iso-9001']:
controller_instance.response.charset = charset
read_only = defaults.get('read_only')
if read_only is not None:
controller_instance.read_only = read_only
use_cache = defaults.get('use_cache')
if use_cache is not None:
controller_instance.use_cache = use_cache
status_code = defaults.get('status_code')
if status_code:
controller_instance.response.status_code = status_code
except (ImportError, AttributeError) as ex:
logging.exception("Can't find the method to process")
return BadRequest('SEARCH METHOD ERROR %s' % ex)
except Exception as ex:
logging.exception(ex)
return self.handleException(controller=controller, action=action, ex=ex)
try:
controller_instance.action = action
with BlockProfiler("[XWEB] ACTION EXECTION"):
if controller_instance.beforeAction():
action_method(**kwargs)
controller_instance.afterAction()
if not controller_instance.commit():
if not (hasattr(controller_instance, 'onCommitFail')
and callable(controller_instance.onCommitFail)
and controller_instance.onCommitFail()):
return abort(500, 'COMMENT FAILED')
context = controller_instance.context
content_type = controller_instance.content_type
status_code = controller_instance.response.status_code
if status_code == 200:
if content_type == 'json':
controller_instance.response.data = json.dumps(getattr(controller_instance, 'json', ''))
elif content_type == 'text':
pass
else:
if hasattr(controller_instance, 'template') and controller_instance.template:
template_name = controller_instance.template
else:
template_name = "%s/%s.html" % (controller, action)
if hasattr(controller_instance, 'render') and callable(controller_instance.render):
controller_instance.response.data = controller_instance.render(action=action)
else:
controller_instance.response.data = self.render(template_name, context)
elif status_code in [301, 302]:
pass
else:
return abort(status_code, context.get('description'))
except Exception, ex:
if self.use_debuger:
raise
if hasattr(controller_instance, 'handleException') and callable(controller_instance.handleException):
kwargs['action'] = action
kwargs['ex'] = ex
controller_instance.handleException(**kwargs)
else:
logging.exception("error in process action")
return self.handleException(controller, action, ex)
finally:
def update(self):
try:
self.cache_client.set(self.cache_key, self.data)
except:
logging.exception("vector cache update failed")
def commit(self):
'''
'''
deletes = []
updates = []
news = []
db_names = set()
for entity_class_name in self.entity_list.keys():
entity_dict = self.entity_list.get(entity_class_name)
for entity_id in entity_dict.keys():
entity = entity_dict.get(entity_id)
if entity.isDelete():
entity.onDelete()
elif entity.isNew():
entity.onNew()
elif entity.isDirty():
entity.onUpdate()
else:
continue
self.bad_entitys = []
for entity_class_name in self.entity_list.keys():
entity_dict = self.entity_list.get(entity_class_name)
for entity_id in entity_dict.keys():
entity = entity_dict.get(entity_id)
if entity.isDelete():
deletes.append(entity)
elif entity.isNew():
news.append(entity)
elif entity.isDirty():
updates.append(entity)
else:
continue
if entity.isLoadedFromCache():
raise ModifyBasedCacheError(
"%s(%s) is loaded from cache, so can't be modified!!" %
(entity.__class__.__name__, entity.id))
if self.use_validator and not entity.doValidate():
self.bad_entitys.append(entity)
db_names.add(entity._db)
if self.use_validator and self.bad_entitys:
return False
for name in db_names:
connection = self.connection_manager.get(name)
if connection and name == connection.name:
connection.begin()
try:
for entitys in [deletes, updates, news]:
for entity in entitys:
self.sync(entity)
for name in db_names:
connection = self.connection_manager.get(name)
if name == connection.name:
connection.commit()
for entity in deletes:
try:
cache = self.cache_manager.get(entity._cache)
if not cache:
continue
cache_key = self.makeKey(entity.__class__, entity.id)
cache.delete(cache_key)
except:
logging.exception("delete cache fail")
for entitys in [updates, news]:
for entity in entitys:
try:
cache = self.cache_manager.get(entity._cache)
if not cache:
continue
cache_key = self.makeKey(entity.__class__, entity.id)
cache.set(cache_key, entity.getCacheDict())
except:
logging.exception("set cache fail")
return True
except:
logging.exception("[XWEB] COMMIT FAILED, ROLLBACK")
for name in db_names:
connection = self.connection_manager.get(name)
if name == connection.name:
connection.rollback()
return False
finally:
self.entity_list.clear()
def update(self):
try:
self.cache_client.set(self.cache_key, self.data)
except:
logging.exception("vector cache update failed")
def commit(self):
'''
'''
deletes = []
updates = []
news = []
db_names = set()
for entity_class_name in self.entity_list.keys():
entity_dict = self.entity_list.get(entity_class_name)
for entity_id in entity_dict.keys():
entity = entity_dict.get(entity_id)
if entity.isDelete():
entity.onDelete()
elif entity.isNew():
entity.onNew()
elif entity.isDirty():
entity.onUpdate()
else:
continue
self.bad_entitys = []
for entity_class_name in self.entity_list.keys():
entity_dict = self.entity_list.get(entity_class_name)
for entity_id in entity_dict.keys():
entity = entity_dict.get(entity_id)
if entity.isDelete():
deletes.append(entity)
elif entity.isNew():
news.append(entity)
elif entity.isDirty():
updates.append(entity)
else:
continue
if entity.isLoadedFromCache():
raise ModifyBasedCacheError("%s(%s) is loaded from cache, so can't be modified!!"%(
entity.__class__.__name__, entity.id))
if self.use_validator and not entity.doValidate():
self.bad_entitys.append(entity)
db_names.add(entity._db)
if self.use_validator and self.bad_entitys:
return False
for name in db_names:
connection = self.connection_manager.get(name)
if connection and name == connection.name:
connection.begin()
try:
for entitys in [deletes, updates, news]:
for entity in entitys:
self.sync(entity)
for name in db_names:
connection = self.connection_manager.get(name)
if name == connection.name:
connection.commit()
for entity in deletes:
try:
cache = self.cache_manager.get(entity._cache)
if not cache:
continue
cache_key = self.makeKey(entity.__class__, entity.id)
cache.delete(cache_key)
except:
logging.exception("delete cache fail")
for entitys in [updates, news]:
for entity in entitys:
try:
cache = self.cache_manager.get(entity._cache)
if not cache:
continue
cache_key = self.makeKey(entity.__class__, entity.id)
cache.set(cache_key, entity.getCacheDict())
except:
logging.exception("set cache fail")
return True
except:
logging.exception("[XWEB] COMMIT FAILED, ROLLBACK")
for name in db_names:
connection = self.connection_manager.get(name)
if name == connection.name:
connection.rollback()
return False
finally:
self.entity_list.clear()
