[全网唯一]通过修改源码使得从ZIP提取文件并在提取时进行重命名保存(博客园 - ToB企服应用市场:ToB评测及商务社交产业平台

row 1618
def extract(self, member, path=None, pwd=None,targetname=None):
"""targetname : the name extracted rename to targetname
Extract a member from the archive to the current working directory,
using its full name. Its file information is extracted as accurately
as possible. `member' may be a filename or a ZipInfo object. You can
specify a different directory using `path'.
"""
if path is None:
path = os.getcwd()
else:
path = os.fspath(path)
return self._extract_member(member, path, pwd,targetname)
def extractall(self, path=None, members=None, pwd=None,targetname=None):
"""Extract all members from the archive to the current working
directory. `path' specifies a different directory to extract to.
`members' is optional and must be a subset of the list returned
by namelist().
"""
if members is None:
members = self.namelist()
if path is None:
path = os.getcwd()
else:
path = os.fspath(path)
for zipinfo in members:
self._extract_member(zipinfo, path, pwd,targetname)
row 1650
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row 1665
def _extract_member(self, member, targetpath, pwd,targetname):
"""Extract the ZipInfo object 'member' to a physical
file on the path targetpath.
"""
if not isinstance(member, ZipInfo):
member = self.getinfo(member)
# build the destination pathname, replacing
# forward slashes to platform specific separators.
arcname = member.filename.replace('/', os.path.sep)
if os.path.altsep:
arcname = arcname.replace(os.path.altsep, os.path.sep)
# interpret absolute pathname as relative, remove drive letter or
# UNC path, redundant separators, "." and ".." components.
arcname = os.path.splitdrive(arcname)[1]
invalid_path_parts = ('', os.path.curdir, os.path.pardir)
arcname = os.path.sep.join(x for x in arcname.split(os.path.sep)
if x not in invalid_path_parts)
if os.path.sep == '\\':
# filter illegal characters on Windows
arcname = self._sanitize_windows_name(arcname, os.path.sep)
if targetname is None:
targetpath = os.path.join(targetpath, arcname)
targetpath = os.path.normpath(targetpath)
else:
targetpath = os.path.normpath(targetpath)
# Create all upper directories if necessary.
upperdirs = os.path.dirname(targetpath)
if upperdirs and not os.path.exists(upperdirs):
os.makedirs(upperdirs)
if member.is_dir():
if not os.path.isdir(targetpath):
os.mkdir(targetpath)
return targetpath
if targetname is None:
with self.open(member, pwd=pwd) as source, \
open(targetpath, "wb") as target:
shutil.copyfileobj(source, target)
else:
with self.open(member, pwd=pwd) as source, \
open(targetpath+"/"+targetname, "wb") as target:
shutil.copyfileobj(source, target)
return targetpath
row 1713

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