I am using python3.7.2
and pip 19.2.2
for a python application. The problem is that I can't install the dependency psycopg2 2.8.3
on MacOS.
Below is the error I got on running pip install psycopg2
:
ld: library not found for -lssl
clang: error: linker command failed with exit code 1 (use -v to see invocation)
error: command 'clang' failed with exit status 1
----------------------------------------
ERROR: Failed building wheel for psycopg2
It seems that ssl
is not installed so I tried to install pip install sssl
but got this error:
ERROR: Command errored out with exit status 1:
command: /Users/joey/.pyenv/versions/3.7.2/bin/python3.7 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/9c/fcm6pxnj39b1t777zpcfpbdh0000gn/T/pip-install-2ldzdiz0/ssl/setup.py'"'"'; __file__='"'"'/private/var/folders/9c/fcm6pxnj39b1t777zpcfpbdh0000gn/T/pip-install-2ldzdiz0/ssl/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base pip-egg-info
cwd: /private/var/folders/9c/fcm6pxnj39b1t777zpcfpbdh0000gn/T/pip-install-2ldzdiz0/ssl/
Complete output (6 lines):
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/var/folders/9c/fcm6pxnj39b1t777zpcfpbdh0000gn/T/pip-install-2ldzdiz0/ssl/setup.py", line 33
print 'looking for', f
^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print('looking for', f)?
----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
I don't understand why it failed. Is this because of a wrong version or relates to MacOS?
I have tried the method mentioned in this post: How to install psycopg2 with "pip" on Python?. I installed postgressql
on the Mac and added /usr/local/Cellar/postgresql/11.5/bin/
on PATH env. But it doesn't help.