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python使用内存zipfile对象在内存中打包文件示例

发布时间：2024-04-24 01:04:07 来源：互联网

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import zipfile
import 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")