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From: Kerrick Staley <[email protected]>
To: [email protected]
Subject: Does psycopg2-binary provide the psycopg2 package?
Date: Mon, 22 May 2023 12:05:43 -0400
Message-ID: <CACfSeTE=r0BkTB8S_1BDw8=5tharqoZAaeRLUNkYPsSu8jbw+A@mail.gmail.com> (raw)

If I install psycopg2-binary, and then I try to install a package that
depends on psycopg2, will pip "know" that psycopg2-binary satisfies the
psycopg2 requirement and avoid installing psycopg2?

Empirically the answer seems to be "no". I installed psycopg2-binary, then
ran `python3 -m pip install -e .` in a directory with this setup.py file
<https://gist.github.com/kerrick-js/b0962b74853cc297cf2186d251763262;, and
it tried to install psycopg2.

Is there a way that, in my setup.py file, I can depend on either psycopg2
or psycopg2-binary, whichever is available?

Thanks,
Kerrick

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