本文整理汇总了Python中storages.compat.BytesIO.getvalue方法的典型用法代码示例。如果您正苦于以下问题：Python BytesIO.getvalue方法的具体用法？Python BytesIO.getvalue怎么用？Python BytesIO.getvalue使用的例子？那么恭喜您, 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storages.compat.BytesIO的用法示例。
在下文中一共展示了BytesIO.getvalue方法的3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: SFTPStorageFile
# 需要导入模块: from storages.compat import BytesIO [as 别名]
# 或者: from storages.compat.BytesIO import getvalue [as 别名]
class SFTPStorageFile(File):
def __init__(self, name, storage, mode):
self._name = name
self._storage = storage
self._mode = mode
self._is_dirty = False
self.file = BytesIO()
self._is_read = False
@property
def size(self):
if not hasattr(self, '_size'):
self._size = self._storage.size(self._name)
return self._size
def read(self, num_bytes=None):
if not self._is_read:
self.file = self._storage._read(self._name)
self._is_read = True
return self.file.read(num_bytes)
def write(self, content):
if 'w' not in self._mode:
raise AttributeError("File was opened for read-only access.")
self.file = BytesIO(content)
self._is_dirty = True
self._is_read = True
def close(self):
if self._is_dirty:
self._storage._save(self._name, self.file.getvalue())
self.file.close()示例2: CouchDBFile
# 需要导入模块: from storages.compat import BytesIO [as 别名]
# 或者: from storages.compat.BytesIO import getvalue [as 别名]
class CouchDBFile(File):
"""
CouchDBFile - a Django File-like class for CouchDB documents.
"""
def __init__(self, name, storage, mode):
self._name = name
self._storage = storage
self._mode = mode
self._is_dirty = False
try:
self._doc = self._storage.get_document(name)
tmp, ext = os.path.split(name)
if ext:
filename = "content." + ext
else:
filename = "content"
attachment = self._storage.db.get_attachment(self._doc, filename=filename)
self.file = BytesIO(attachment)
except couchdb.client.ResourceNotFound:
if 'r' in self._mode:
raise ValueError("The file cannot be reopened.")
else:
self.file = BytesIO()
self._is_dirty = True
@property
def size(self):
return self._doc['size']
def write(self, content):
if 'w' not in self._mode:
raise AttributeError("File was opened for read-only access.")
self.file = BytesIO(content)
self._is_dirty = True
def close(self):
if self._is_dirty:
self._storage._put_file(self._name, self.file.getvalue())
self.file.close()示例3: LibCloudFile
# 需要导入模块: from storages.compat import BytesIO [as 别名]
# 或者: from storages.compat.BytesIO import getvalue [as 别名]
class LibCloudFile(File):
"""File inherited class for libcloud storage objects read and write"""
def __init__(self, name, storage, mode):
self._name = name
self._storage = storage
self._mode = mode
self._is_dirty = False
self.file = BytesIO()
self.start_range = 0
@property
def size(self):
if not hasattr(self, "_size"):
self._size = self._storage.size(self._name)
return self._size
def read(self, num_bytes=None):
if num_bytes is None:
args = []
self.start_range = 0
else:
args = [self.start_range, self.start_range + num_bytes - 1]
data = self._storage._read(self._name, *args)
self.file = BytesIO(data)
return self.file.getvalue()
def write(self, content):
if "w" not in self._mode:
raise AttributeError("File was opened for read-only access.")
self.file = BytesIO(content)
self._is_dirty = True
def close(self):
if self._is_dirty:
self._storage._save(self._name, self.file)
self.file.close()