zip_open File open from nested zip file archive
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File open from nested zip file archive zip_open allows you to open a file from a nested zip file archive.If you use static file like as 'data.zip' and open this from your python code, Your program will become like open(os.path.join(os.path.dirname(__file__), 'data.zip')). But if your packages are packed into packages.zip file (zipped-egg, or cases to gather in one file on Google App Engine matter), your cord doesn't work fine.In this situation, the file path of data.zip becomes /path/to/packages.zip/data.zip, then your program can't open the data.zip file.zip_open package solves this problem.Usage sample1: open the file from zip filepackages1.zip is:packages1.zip + file1.txtOpen file1.txt:>>> from zip_open import zopen>>> fobj = zopen('packages1.zip/file1.txt')>>> data = fobj.read()>>> print dataI 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 dataI am file1.txt, ok.Usage sample2: open the file from nested zip filepackages2.zip is:packages2.zip + data2.zip + file2.txtOpen file2.txt:>>> from zip_open import zopen>>> fobj = zopen('packages2.zip/data2.zip/file2.txt')>>> print fobj.read()I am file2.txt, ok.Usage sample3: open the file included in package oneselfpackages3.zip is:packages3.zip + foo.py + file1.txt + data3.zip + file3.txtfoo.py:import osfrom zip_open import zopendef loader(filename): fobj = zopen(os.path.join(os.path.dirname(__file__), filename)) return fobjexecute 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: · Python

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