本文整理匯總了Python中fs.base.FS._shutil_copyfile方法的典型用法代碼示例。如果您正苦於以下問題：Python FS._shutil_copyfile方法的具體用法？Python FS._shutil_copyfile怎麽用？Python FS._shutil_copyfile使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類fs.base.FS的用法示例。
在下文中一共展示了FS._shutil_copyfile方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: copyfile
# 需要導入模塊: from fs.base import FS [as 別名]
# 或者: from fs.base.FS import _shutil_copyfile [as 別名]
def copyfile(src_fs, src_path, dst_fs, dst_path, overwrite=True, update=False,
chunk_size=64*1024):
"""Copy a file from one filesystem to another. Will use system copyfile, if both files have a syspath.
Otherwise file will be copied a chunk at a time. In the case where ``overwrite`` is False and
``update`` is True, the behaviour of ``update`` takes precedence.
:param src_fs: Source filesystem object
:param src_path: -- Source path
:param dst_fs: Destination filesystem object
:param dst_path: Destination filesystem object
:param overwrite: Write to destination files even if they already exist
:param update: Write to destination files only if the source is newer
:param chunk_size: Size of chunks to move if system copyfile is not available (default 64K)
"""
assert_write(src_fs, src_path, dst_fs, dst_path, overwrite, update)
# If the src and dst fs objects are the same, then use a direct copy
if src_fs is dst_fs:
src_fs.copy(src_path, dst_path, overwrite=overwrite)
return
src_syspath = src_fs.getsyspath(src_path, allow_none=True)
dst_syspath = dst_fs.getsyspath(dst_path, allow_none=True)
# System copy if there are two sys paths
if src_syspath is not None and dst_syspath is not None:
FS._shutil_copyfile(src_syspath, dst_syspath)
return
src_lock = getattr(src_fs, '_lock', None)
if src_lock is not None:
src_lock.acquire()
try:
src = None
try:
src = src_fs.open(src_path, 'rb')
dst_fs.setcontents(dst_path, src, chunk_size=chunk_size)
finally:
if src is not None:
src.close()
finally:
if src_lock is not None:
src_lock.release()示例2: copyfile
# 需要導入模塊: from fs.base import FS [as 別名]
# 或者: from fs.base.FS import _shutil_copyfile [as 別名]
def copyfile(src_fs, src_path, dst_fs, dst_path, overwrite=True, chunk_size=64*1024):
"""Copy a file from one filesystem to another. Will use system copyfile, if both files have a syspath.
Otherwise file will be copied a chunk at a time.
:param src_fs: Source filesystem object
:param src_path: -- Source path
:param dst_fs: Destination filesystem object
:param dst_path: Destination filesystem object
:param chunk_size: Size of chunks to move if system copyfile is not available (default 64K)
"""
# If the src and dst fs objects are the same, then use a direct copy
if src_fs is dst_fs:
src_fs.copy(src_path, dst_path, overwrite=overwrite)
return
src_syspath = src_fs.getsyspath(src_path, allow_none=True)
dst_syspath = dst_fs.getsyspath(dst_path, allow_none=True)
if not overwrite and dst_fs.exists(dst_path):
raise DestinationExistsError(dst_path)
# System copy if there are two sys paths
if src_syspath is not None and dst_syspath is not None:
FS._shutil_copyfile(src_syspath, dst_syspath)
return
src_lock = getattr(src_fs, '_lock', None)
if src_lock is not None:
src_lock.acquire()
try:
src = None
try:
src = src_fs.open(src_path, 'rb')
dst_fs.setcontents(dst_path, src, chunk_size=chunk_size)
finally:
if src is not None:
src.close()
finally:
if src_lock is not None:
src_lock.release()