代码如下:
import zipfileimport stringio
class inmemoryzip(object): def __init__(self): # create the in-memory file-like object self.in_memory_zip = stringio.stringio()
def append(self, filename_in_zip, file_contents): ”’appends a file with name filename_in_zip and contents of file_contents to the in-memory zip.”’ # get a handle to the in-memory zip in append mode zf = zipfile.zipfile(self.in_memory_zip, “a”, zipfile.zip_deflated, false)
# write the file to the in-memory zip zf.writestr(filename_in_zip, file_contents)
# mark the files as having been created on windows so that # unix permissions are not inferred as 0000 for zfile in zf.filelist: zfile.create_system = 0
return self
def read(self): ”’returns a string with the contents of the in-memory zip.”’ self.in_memory_zip.seek(0) return self.in_memory_zip.read()
def writetofile(self, filename): ”’writes the in-memory zip to a file.”’ f = file(filename, “w”) f.write(self.read()) f.close()
if __name__ == “__main__”: # run a test imz = inmemoryzip() imz.append(“test.txt”, “another test”).append(“test2.txt”, “still another”) imz.writetofile(“test.zip”)