해결 방법 (1)
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pip3 uninstall psycopg2
brew install libpq --build-from-source
export LDFLAGS="-L/opt/homebrew/opt/libpq/lib"
pip3 install psycopg2 --no-cache-dir
해결 방법 (2)
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❯ brew install postgresql
# If you open a new terminal tab you will see that pg_config is available
❯ export CPPFLAGS="-I/opt/homebrew/opt/openssl@1.1/include"
❯ export LDFLAGS="-L/opt/homebrew/opt/openssl@1.1/lib -L${HOME}/.pyenv/versions/3.8.10/lib"
❯ python -V
Python 3.8.10
❯ pip install psycopg2-binary==2.8.6
에러
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Collecting psycopg2-binary
Downloading psycopg2-binary-2.9.3.tar.gz (380 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 380.6/380.6 KB 4.6 MB/s eta 0:00:00
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error
× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [23 lines of output]
running egg_info
creating /private/var/folders/0c/dl8wlh_n7z10zxrxm3dqlqlw0000gn/T/pip-pip-egg-info-r649qghy/psycopg2_binary.egg-info
writing /private/var/folders/0c/dl8wlh_n7z10zxrxm3dqlqlw0000gn/T/pip-pip-egg-info-r649qghy/psycopg2_binary.egg-info/PKG-INFO
writing dependency_links to /private/var/folders/0c/dl8wlh_n7z10zxrxm3dqlqlw0000gn/T/pip-pip-egg-info-r649qghy/psycopg2_binary.egg-info/dependency_links.txt
writing top-level names to /private/var/folders/0c/dl8wlh_n7z10zxrxm3dqlqlw0000gn/T/pip-pip-egg-info-r649qghy/psycopg2_binary.egg-info/top_level.txt
writing manifest file '/private/var/folders/0c/dl8wlh_n7z10zxrxm3dqlqlw0000gn/T/pip-pip-egg-info-r649qghy/psycopg2_binary.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.