zip_open 0.1.0

Features

• Open file from nested zip file archive.

Using sample1: open the file from zip file

packages1.zip is:

packages1.zip
  + file1.txt

Open file1.txt:

>>> from zip_open import zopen
>>> fobj = zopen('packages1.zip/file1.txt')
>>> data = fobj.read()
>>> print data
I am file1.txt, ok.

This code sample equivalent to below code:

>>> from zipfile import ZipFile
>>> zipobj = ZipFile('packages1.zip')
>>> data = zipobj.read('file1.txt')
>>> print data
I am file1.txt, ok.

Using sample2: open the file from nested zip file

packages2.zip is:

packages2.zip
  + data2.zip
     + file2.txt

Open file2.txt:

>>> from zip_open import zopen
>>> fobj = zopen('packages2.zip/data2.zip/file2.txt')
>>> print fobj.read()
I am file2.txt, ok.

Using sample3: open the file included in package oneself

packages3.zip is:

packages3.zip
  + foo.py
  + file1.txt
  + data3.zip
     + file3.txt

foo.py:

import os
from zip_open import zopen

def loader(filename):
    fobj = zopen(os.path.join(os.path.dirname(__file__), filename))
    return fobj

execute loader() from interactive shell:

>>> import sys
>>> sys.path.insert(0, 'packages3.zip')
>>> import foo
>>> fobj = foo.loader('file1.txt')
>>> print fobj.read()
I am file1.txt, ok.
>>> fobj = foo.loader('data3.zip/file3.txt')
>>> print fobj.read()
I am file3.txt, ok.

Requirements and dependencies

• Requirement: Python 2.4 or later

• Dependency: Nothing.

ToDo

• Add module import feature.

History

0.1.0 (2010-7-19)

• first release