This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
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Project Description

Patches functions [modules]:file+open, and os.path:exists+isfile to enable accessing files inside zip archives using standard file functions.

Install via pip:
pip install zipaccess
Install via easy_install:
easy_install zipaccess
Sources via git:
git clone
Sources via hg-git:
hg clone git://


Use as a class. Do not instantiate it:

class AnyZipAccess(zipaccess.ZipAccess):
    any_zip = True  # custom modifications here


Or use as a module:


Optionally, register zipaccess.ZipAccess as os.zipaccess:


so other modules can easily use:

except AttributeError:

Note on Google App Engine (GAE)

On GAE, the __builtin__ module changes are not reflected, even in the local name space.

To use zip access in any GAE module, you need to enable it for that module locals:

    import zipaccess
except ImportError:

Alternatively, only enable zip access locally, if it was already registered:

except AttributeError:

Or enable it for target modules externally:

# It imports all the modules though, which may be not what you want.
# If you know, how to hook on module import, let me kindly know.

Note, that os.path.isfile and os.path.exists are patched globally. Even on GAE, they apply for all modules of given instance. If some modules do support zip files, they usually first check if regular file exists, and if not, they split the path and check if the zipfile exists. With zip access enabled, the regular file check will succeed, which is ok as long as consequently used file() or open() functions are patched too.


The tipfy.debugger.get_loader() function checks if templates are located in a regular directory or in a zip file (lib/ usually). Then it returns tipfy.template.Loader or tipfy.template.ZipLoader accordingly. With zipaccess enabled, the standard tipfy.template.Loader will be used, and therefore zipaccess.enable('tipfy.template') is needed to make it work.


Release History

Release History


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