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

[Diez B. Roggisch]

Pascal Polleunus <ppo at especific.be> writes:

> On 05/10/10 00:11, Diez B. Roggisch wrote:
>> 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.
>
> It's already installed; at least for 2.6, nor sure it's correct for 2.5.
> python2.5-dev is not available but python-old-doctools replaces it.

It is 100% *not* correct for python2.5. As the error message shows -
it's missing.


If it's not available somewhere, you should consider building python
yourself, if you have to use 2.5.

Diez