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Added FAQ entry about the change in binary packages in 2.8

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This commit is contained in:
Daniele Varrazzo 2019-04-14 15:08:07 +01:00
parent 4821a6294e
commit 6b740df704
2 changed files with 26 additions and 12 deletions
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13
doc/src/faq.rst
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@ -287,8 +287,17 @@ How do I interrupt a long-running query in an interactive shell?
.. _faq-compile:
Problems compiling and deploying psycopg2
-----------------------------------------
Problems compiling and installing psycopg2
------------------------------------------
.. _faq-wheels:
.. cssclass:: faq
Psycopg 2.8 fails to install, Psycopg 2.7 was working fine.
With Psycopg 2.7 you were installing binary packages, but they have proven
unreliable so now you have to install them explicitly using the
``psycopg2-binary`` package. See :ref:`binary-packages` for all the
details.
.. _faq-python-h:
.. cssclass:: faq

25
doc/src/install.rst
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@ -126,6 +126,8 @@ which is OS-dependent (for instance setting a suitable
single: Install; wheel
single: Wheel
.. _binary-packages:
Binary install from PyPI
------------------------
@ -136,10 +138,12 @@ runtime prerequisites.
.. note::
The ``-binary`` package is meant for beginners to start playing with
Python and PostgreSQL without the need to meet the build requirements.
The ``psycopg2-binary`` package is meant for beginners to start playing
with Python and PostgreSQL without the need to meet the build
requirements.
If you are the maintainer of a publish package depending on `!psycopg2`
you shouldn't use ``psycopg2-binary`` as a module dependency. For
**you shouldn't use 'psycopg2-binary' as a module dependency**. For
production use you are advised to use the source distribution.
@ -179,15 +183,16 @@ using something like ``pip install -U pip``), then you can run:
.. _disable-wheel:
Disabling wheel packages for Psycopg 2.7
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Change in binary packages between Psycopg 2.7 and 2.8
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In version 2.7.x, `pip install psycopg2` would have tried to install the wheel
binary package of Psycopg. Because of the problems the wheel package have
displayed, `psycopg2-binary` has become a separate package, and from 2.8 it
has become the only way to install the binary package.
In version 2.7.x, :command:`pip install psycopg2` would have tried to install
automatically the binary package of Psycopg. Because of concurrency problems
binary packages have displayed, ``psycopg2-binary`` has become a separate
package, and from 2.8 it has become the only way to install the binary
package.
If you are using psycopg 2.7 and you want to disable the use of wheel binary
If you are using Psycopg 2.7 and you want to disable the use of wheel binary
packages, relying on the system libraries available on your client, you
can use the :command:`pip` |--no-binary option|__, e.g.: