Installation impossible de psycopg2

Comme dans la vidéo de cours associé j'ai fait un pip install sur mon environnement virtuel de psycopg2 mais ça ne marche pas :

(.env) MacBook-Pro-de-Thibaut:postgres thibaut$ pip install psycopg2

Collecting psycopg2

 Using cached psycopg2-2.9.5.tar.gz (384 kB)

 Preparing metadata (setup.py) ... error

 error: subprocess-exited-with-error

 × python setup.py egg_info did not run successfully.

 │ exit code: 1

 ╰─> [25 lines of output]

    /Users/thibaut/postgres/.env/lib/python3.9/site-packages/setuptools/config/setupcfg.py:508: SetuptoolsDeprecationWarning: The license_file parameter is deprecated, use license_files instead.

     warnings.warn(msg, warning_class)

    running egg_info

    creating /private/var/folders/4k/76dfn4x53xs61rrsfdb9_8380000gn/T/pip-pip-egg-info-xiznt2m2/psycopg2.egg-info

    writing /private/var/folders/4k/76dfn4x53xs61rrsfdb9_8380000gn/T/pip-pip-egg-info-xiznt2m2/psycopg2.egg-info/PKG-INFO

    writing dependency_links to /private/var/folders/4k/76dfn4x53xs61rrsfdb9_8380000gn/T/pip-pip-egg-info-xiznt2m2/psycopg2.egg-info/dependency_links.txt

    writing top-level names to /private/var/folders/4k/76dfn4x53xs61rrsfdb9_8380000gn/T/pip-pip-egg-info-xiznt2m2/psycopg2.egg-info/top_level.txt

    writing manifest file '/private/var/folders/4k/76dfn4x53xs61rrsfdb9_8380000gn/T/pip-pip-egg-info-xiznt2m2/psycopg2.egg-info/SOURCES.txt'

    Error: pg_config executable not found.

    pg_config is required to build psycopg2 from source. Please add the directory

    containing pg_config to the $PATH or specify the full executable path with the

    option:

      python setup.py build_ext --pg-config /path/to/pg_config build ...

    or with the pg_config option in 'setup.cfg'.

    If you prefer to avoid building psycopg2 from source, please install the PyPI

    'psycopg2-binary' package instead.

    For further information please check the 'doc/src/install.rst' file (also at

    <https://www.psycopg.org/docs/install.html>).

    [end of output]

 note: This error originates from a subprocess, and is likely not a problem with pip.

error: metadata-generation-failed

× Encountered error while generating package metadata.

╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.

hint: See above for details.

Salut Thibaut,

L'installation ne fonctionne pas effectivement pour certaines personnes, comme indiqué dans le message d'erreur la solution est d'installer la version "binary" avec pip également :

  If you prefer to avoid building psycopg2 from source, please install the PyPI

    'psycopg2-binary' package instead.

Tu peux donc installer avec :

pip install psycopg2-binary

Laisse-nous savoir si ça fonctionne :)

À très vite !

C'est parfait merci!