Saba Kauser <skauserib...@gmail.com> added the comment:
I have debugged this further.
The problem seems be happening due to usage of get_python_lib().
e.g:
if('darwin' in sys.platform):
class PostInstall(install):
""" Post installation - run install_name_tool on Darwin """
def run(self):
install.run(self)
clipath = os.getenv('IBM_DB_HOME', '@loader_path/clidriver')
print("in PostInstall with {}".format(clipath))
for so in glob.glob(get_python_lib()+r'/ibm_db*.so'):
os.system("install_name_tool -change libdb2.dylib
{}/lib/libdb2.dylib {}".format(clipath, so))
cmd_class = dict(install = PostInstall)
The get_python_lib() returns following path and hence my script is never able
to fetch the matching lib name.
example output of get_python_lib() usage:
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/CHANGES
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/LICENSE
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/README.md
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/config.py.sample
I have both anaconda and standalone python installations and get_python_lib()
seem to get confused with different paths.
It sometimes returns the duplicate path as well:
e.g:
/Users/skauser/anaconda3/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/CHANGES
/Users/skauser/anaconda3/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/LICENSE
/Users/skauser/anaconda3/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/README.md
/Users/skauser/anaconda3/lib/python3.7/site-packages/Users/skauser/anaconda3/lib/python3.7/site-packages/config.py.sample
Above examples are taken from one usage of get_python_lib() for copying certain
data files while installation to site-packages.
My strong belief is that, its the same problem with the post-install script as
well.
Why is get_python_lib() behavior not consistent?
What are the other alternatives to get the current site-package path for the
running installation?
When I disable cache of pip and install, get_python_lib() path as retrieved
while install behaves correctly.
e.g: pip --no-cache-dir install ibm_db
Kindly help! This is blocking production of many users.
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36640>
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