[Distutils] pip does not work as expected from a zip

[Daniel Holth]

It ought to be able to find the .dist-info or .egg-info directories
inside the .pyz?

On Thu, Sep 12, 2013 at 10:38 AM, Vinay Sajip <vinay_sajip at yahoo.co.uk> wrote:
> When run from a .zip file, pip does not seem to work as expected - it seems
> to need to be conventionally installed.
>
> I zipped up pip 1.4.1, setuptools (1.1.4) and wheel (0.21.0) into a .pyz. I
> have pip 1.0 and setuptools 0.6 installed in system site-packages.
>
> If I run "pip.pyz --version", it prints "1.0" rather than "1.4.1". If I run
> "pip.pyz wheel", it tells me that it needs setuptools >= 0.8.
>
> The problem seems to be that in at least these two places, pip runs code
> looking like
>
> dist = pkg_resources.get_distribution('XXX')
>
> which of course will not find the setuptools or pip in the .pyz.
>
> Is this behaviour by design? If so, it seems somewhat sub-optimal. If not,
> should I create an issue on the pip tracker?
>
> Regards,
>
> Vinay Sajip
>
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