Problem installing psycopg2 in virtualenv (Ubuntu 10.04, Python 2.5)

Diez B. Roggisch deets at web.de
Tue Oct 5 00:11:52 CEST 2010


Pascal Polleunus <ppo at especific.be> writes:

> Hi,
>
> I've problems to install psycopg2 in a virtualenv on Ubuntu 10.04.
>
>
> My problem is also explained on stackoverflow:
> http://stackoverflow.com/questions/3847536/installing-psycopg2-in-virtualenv-ubuntu-10-04-python-2-5
>
>
> I tried different things explained there:
> http://www.saltycrane.com/blog/2009/07/using-psycopg2-virtualenv-ubuntu-jaunty/
>
> The last thing I tried is this...
> I created a virtualenv with -p python2.5 --no-site-packages
> I installed libpq-dev: apt-get install libpq-dev
>
> In the virtualenv, I did this: easy_install -i 
> http://downloads.egenix.com/python/index/ucs4/ egenix-mx-base
>
> Then when I tried pip install psycopg2==2.0.7, I got this error:
>
> Installing collected packages: psycopg2
> Running setup.py install for psycopg2
> building 'psycopg2._psycopg' extension
> gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall
> -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1
> -DPSYCOPG_VERSION="2.2.2 (dt dec ext pq3)" -DPG_VERSION_HEX=0x080404
> -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1
> -DHAVE_PQPROTOCOL3=1 -I/usr/include/python2.5
> -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c 
> psycopg/psycopgmodule.c -o 
> build/temp.linux-i686-2.5/psycopg/psycopgmodule.o
> -Wdeclaration-after-statement
> psycopg/psycopgmodule.c:27:20: error: Python.h: No such file or directory
> In file included from psycopg/psycopgmodule.c:31:
> ./psycopg/python.h:31:26: error: structmember.h: No such file or directory
> ./psycopg/python.h:34:4: error: #error "psycopg requires Python >= 2.4"
> In file included from psycopg/psycopgmodule.c:32:
>
>
> Does anyone have any idea how to solve that?

Install the python-dev-package. It contains the Python.h file, which the
above error message pretty clearly says. Usually, it's a good idea to
search package descriptions of debian/ubuntu packages for missing header
files to know what to install.

Diez



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