Installing from custom index setup.py

Question

I am the package maintainer of a package that has dependencies to packages hosted in our own pip repository.

I want these packages to also be installed when doing pip install mypackage.

setup(
  name='mypackage',
  version='1.1.2',
  description='My awesome package',
  dependency_links=[
    'http://www.myrepo.se/packages/mydep1/',
    'http://www.myrepo.se/packages/mydep2/'
  ]
  install_requires=[
    'mydep1==1.0.0',
    'mydep2==5.6.7'
  ]
)

The folder structure in the repo is the following:

packages/
  mydep1/
    mydep1-1.0.0.tar.gz
  mydep2/
    mydep2-5.5.1.tar.gz
    mydep2-5.6.7.tar.gz

All according to the accepted answer on this question Using an extra python package index url with setup.py

However, this does not work. I get the error:

Collecting mydep1 (from mypackage==1.1.2)
  Could not find a version that satisfies the requirement mydep1 (from mypackage==1.1.2) (from versions: )
No matching distribution found for mydep1 (from mypackage==1.1.2)

When I have added an extra index url to my requirements.txt before doing it this was I had to add the url as a trusted host. Is that relevant? Also I am using python 3.5.3

EDIT: I activated verbose output from pip and it is not even trying to find the package from my repo.

1 location(s) to search for versions of mydep1:
  * https://pypi.python.org/simple/mydep1/
  Getting page https://pypi.python.org/simple/mydep1/
  ...

Possible duplicate of pip ignores dependency_links in setup.py — phd
– phd, Commented Oct 10, 2018 at 18:51
Yes. It is a duplicate in that the solution was the same. It is also not a duplicate since I was trying to install from a custom pypi repo and he was trying to install from GitHub. Also, even though I searched I didn't find it until after I posted my question :) — Hampus
– Hampus, Commented Oct 11, 2018 at 8:57

Hampus · Accepted Answer · 2018-10-10 09:11:06Z

0

It seems pip is not processing the dependency links unless you explicitly tell it to (which unfortunately means that all consumers of mypackage must know to do so).

pip install --process-dependency-links mypackage

Since mypackage is also hosted by the same repository it means that a consumers requirements.txt must look like

--trusted-host http://www.myrepo.se/
--extra-index-url http://www.myrepo.se/packages
--process-dependency-links

mypackage==1.1.2

answered Oct 10, 2018 at 9:11

Hampus

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2 Comments

Gabriel Over a year ago

The --process-dependency-links option is no longer supported in pip v 19.0.3. I have exactly the issue stated here, but without this option am unsure how to proceed?

Tomas Over a year ago

@Gabriel, use the PEP 508 syntax described here to get pip 19.0 to play nicely with URLs: install_requires = ['package @ https://url/to/package.tar#egg=package']. Just keep in mind that PyPI will retire this functionality somewhere the future.

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