本文整理汇总了Python中flask.config.Config.update方法的典型用法代码示例。如果您正苦于以下问题:Python Config.update方法的具体用法?Python Config.update怎么用?Python Config.update使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类flask.config.Config
的用法示例。
在下文中一共展示了Config.update方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: DatacatCore
# 需要导入模块: from flask.config import Config [as 别名]
# 或者: from flask.config.Config import update [as 别名]
class DatacatCore(object):
def __init__(self, config=None):
self.config = Config()
if config is not None:
self.config.update(config)
@property
def db(self):
if getattr(self, '_db', None) is None:
self._db = connect(**self.config['DATABASE'])
self._db.autocommit = False
return self._db
@property
def admin_db(self):
if getattr(self, '_admin_db', None) is None:
self._admin_db = connect(**self.config['DATABASE'])
self._admin_db.autocommit = True
return self._admin_db
def create_tables(self):
create_tables(self.admin_db)
def drop_tables(self):
drop_tables(self.admin_db)
# ------------------------------------------------------------
# Resource data CRUD
# ------------------------------------------------------------
def resource_data_iter(self):
"""Iterate over resource attributes"""
with self.db, self.db.cursor() as cur:
cur.execute("SELECT * FROM resource_data")
for row in cur.fetchall():
yield row
def resource_data_create(self, stream, metadata=None, mimetype=None):
"""Create resource data from a stream"""
resource_hash = hashlib.sha1()
with self.db, self.db.cursor() as cur:
lobj = self.db.lobject(oid=0, mode='wb')
oid = lobj.oid
for chunk in file_read_chunks(stream):
lobj.write(chunk)
resource_hash.update(chunk)
lobj.close()
data = {
'ctime': datetime.now(),
'mtime': datetime.now(),
'metadata': json.dumps(metadata),
'mimetype': mimetype or 'application/octet-stream',
'data_oid': oid,
'hash': 'sha1:{0}'.format(resource_hash.hexdigest()),
}
query = querybuilder.insert('resource_data', data)
cur.execute(query, data)
resource_data_id = cur.fetchone()[0]
return resource_data_id
def resource_data_get_info(self, objid):
query = querybuilder.select_pk('resource_data')
with self.db, self.db.cursor() as cur:
cur.execute(query, {'id': objid})
return cur.fetchone()
def resource_data_read(self, objid):
resource = self.resource_data_get_info(objid)
with self.db:
lobj = self.db.lobject(oid=resource['data_oid'], mode='rb')
return lobj.read()
def resource_data_copy(self, objid, dest):
resource = self.resource_data_get_info(objid)
with self.db:
lobj = self.db.lobject(oid=resource['data_oid'], mode='rb')
for chunk in file_read_chunks(lobj):
dest.write(chunk)
def resource_data_update(self, objid, stream=None, metadata=None,
mimetype=None):
# Get the original object, to check for its existence
# and to get the oid of the lobject holding the data.
original = self.resource_data_get_info(objid)
data = {
'id': objid,
'mtime': datetime.now(),
}
if metadata is not None:
data['metadata'] = json.dumps(metadata)
if mimetype is not None:
data['mimetype'] = mimetype
#.........这里部分代码省略.........