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Undefined: PyUnicodeUCS2_Decode when trying to install psycopg2

I get an error when trying to install psycopg2 on ubuntu 9.10 64 bit.

Error:

>>> import psycopg2 Traceback (most recent call last): File "<stdin>", line 1, in <module> File "psycopg2/__init__.py", line 69, in <module> from _psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID ImportError: psycopg2/_psycopg.so: undefined symbol: PyUnicodeUCS2_Decode

I tried to download the package from http://initd.org/pub/software/psycopg/ and install it. I also tried using easy_install.

Installation error.

This is rather strange since my python (2.6.2) was compiled with UCS4 and so the installation should work without problems.

Any help would be appreciated.

Greetings

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2 answers

fixed it.

I had to recompile python using --enable-unicode = ucs4.

It’s still not clear why, since the default version on ubuntu uses ucs4.

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As you say, your Python was built by UCS4. But the psycopg2 you are trying to install was built against Python created by UCS2. Find one or build one against UCS4.

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Source: https://habr.com/ru/post/1306108/

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