def all(cls):
indexes = Env.config().get_schema().get(cls.__column_family(), 'indexes')
print cls.__column_family()
print Env.config().get_schema().get("Post")
if "__global__" in indexes:
return cls.by_index("__global__", "__global__")
raise IndexNotDefined("Global (__global__) index is not defined")
def after_delete(self):
indexes = Env.config().get_schema().get(self.__class__.__column_family(), 'indexes')
db = Env.db_connection()
for index in indexes:
if index == "__global__":
db.remove_from_index(indexes[index]['name'], index, self.pk())
else:
db.remove_from_index(indexes[index]['name'], self[index], self.pk())
pass
def after_create(self):
indexes = Env.config().get_schema().get(self.__class__.__column_family(), 'indexes')
db = Env.db_connection()
for index in indexes:
if index == "__global__":
db.add_to_index(indexes[index]['name'], index, self.pk(), indexes[index]['comparator'])
else:
db.add_to_index(indexes[index]['name'], self[index], self.pk(), indexes[index]['comparator'])
pass
def by_index(cls, column, value):
indexes = Env.config().get_schema().get(cls.__column_family(), 'indexes')
db = Env.db_connection()
if column in indexes:
index = indexes[column]
results = []
rows = db.get_by_index(cls.__column_family(), index['name'], value, bool(index['reversed']))
for row_key in rows:
results.append(cls(rows[row_key], False, row_key))
return results
raise IndexNotDefined("Index for %s is not defined" % column)
pass
def __initialize_columns_from_schema(self):
schema = Env.config().get_schema(self.__class__.__column_family(), "fields")
for field in schema:
if 'default' in schema[field]:
self.__columns[field] = schema[field]['default']
else:
self.__columns[field] = ""
def get(cls, pk):
try:
result = Env.db_connection().get(cls.__column_family(), pk)
return cls(result, False, pk)
except:
return None
pass
def __column_family(cls):
if not cls.___column_family:
column_family = Env.config().get_schema(cls.__name__, 'column_family')
if not column_family:
column_family = cls.__name__
cls.___column_family = column_family
return cls.___column_family
def save(self):
if not self.is_valid():
raise ModelNotValid()
db = Env.db_connection()
# before callbacks
if self.is_new():
self.before_create()
self.before_save()
result = db.save(self.__class__.__column_family(), self.pk(), self.__columns)
# after callbacks
if self.is_new():
self.after_create()
self.after_save()
self.__new = False
return result
def __init__(self, environment='development', flush_database=False):
print "Initializing..."
Env.setup("./config/%s.yml" % environment, './config/schema.yml')
Env.db_connection().connect()
if flush_database:
Env.db_connection().flush()
from app_controller.main_controller import MainController
self.main = MainController()
controllers = [os.path.splitext(os.path.basename(path))[0] for path in glob.glob("./app_controller/*_controller.py")]
for module in controllers:
if module == "main_controller":
continue
url_path = module.split("_")[0]
class_name = "".join([word.capitalize() for word in module.split("_")])
exec("from app_controller.%s import %s" % (module, class_name))
exec("self.main.%s = %s()" % (url_path, class_name))
def pk(self):
if not self.__pk:
comparator = Env.config().get_schema(self.__class__.__column_family(), "key_type")
self.__pk = getattr(Env.db_connection(), "generate_%s_pk" % comparator.lower())()
return self.__pk
def by_range(cls):
db = Env.db_connection()
results = []
for row in db.get_by_range(cls.__column_family()):
results.append(cls(row[1], False, row[0]))
return results
def delete(self):
self.before_delete()
db = Env.db_connection()
db.remove(self.__class__.__column_family(), self.pk())
self.__deleted = True
self.after_delete()
