[Distutils] requirements on pypi: what is egg.info/requires.txt?

[braingram]

Hi,

I feel like these are stupid questions but I cannot seem to find a straight
answer.

In brief,

1) what is egg-info/requires.txt used for?
2) how do I properly define requirements for pypi?

The details are:

I'm updating some packages on pypi and am having difficulty defining
requirements.

One of the packages in question is: pypi.python.org/pypi/jsui

I'm initially defining the requirements in a requirements.txt that then
gets parsed in setup.py and install_requires gets set to the contents of
requirements.txt. Some of the output from python setup.py sdist build is
below. The resulting requires.txt in jsui.egg-info is:

flask
wsrpc

However, when I upload this to pypi with "python setup.py sdist upload" I'm
not seeing these requirements listed nor does pip installing the package
install the requirements.

Thanks for your help.

==== python setup.py sdist build partial output ====

running sdist
running egg_info
writing requirements to jsui.egg-info/requires.txt
writing jsui.egg-info/PKG-INFO
writing top-level names to jsui.egg-info/top_level.txt
writing dependency_links to jsui.egg-info/dependency_links.txt
reading manifest file 'jsui.egg-info/SOURCES.txt'
writing manifest file 'jsui.egg-info/SOURCES.txt'
running check
warning: check: missing required meta-data: url

creating jsui-0.0.1
creating jsui-0.0.1/jsui
creating jsui-0.0.1/jsui.egg-info
making hard links in jsui-0.0.1...
hard linking README -> jsui-0.0.1
hard linking setup.py -> jsui-0.0.1
hard linking jsui/__init__.py -> jsui-0.0.1/jsui
hard linking jsui/serve.py -> jsui-0.0.1/jsui
hard linking jsui.egg-info/PKG-INFO -> jsui-0.0.1/jsui.egg-info
hard linking jsui.egg-info/SOURCES.txt -> jsui-0.0.1/jsui.egg-info
hard linking jsui.egg-info/dependency_links.txt -> jsui-0.0.1/jsui.egg-info
hard linking jsui.egg-info/requires.txt -> jsui-0.0.1/jsui.egg-info
hard linking jsui.egg-info/top_level.txt -> jsui-0.0.1/jsui.egg-info
Writing jsui-0.0.1/setup.cfg
Creating tar archive
removing 'jsui-0.0.1' (and everything under it)
running build
running build_py
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