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add -f option to install.py to install into externally-managed environments

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This commit is contained in:
Axel Kohlmeyer
2025-03-19 03:06:23 -04:00
parent 4cd3fa1e38
commit ee78e3e201
2 changed files with 16 additions and 5 deletions
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9
doc/src/Python_install.rst
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@ -110,13 +110,16 @@ folder that the dynamic loader searches or inside of the installed
.. code-block:: bash
python install.py -p <python package> -l <shared library> -v <version.h file> [-n]
python install.py -p <python package> -l <shared library> -v <version.h file> [-n] [-f]
* The ``-p`` flag points to the ``lammps`` Python package folder to be installed,
* the ``-l`` flag points to the LAMMPS shared library file to be installed,
* the ``-v`` flag points to the LAMMPS version header file to extract the version date,
* and the optional ``-n`` instructs the script to only build a wheel file
but not attempt to install it.
* the optional ``-n`` instructs the script to only build a wheel file but not attempt
to install it,
* and the optional ``-f`` argument instructs the script to force installation even if
pip would otherwise refuse installation with an
:ref:`error about externally managed environments <externally_managed>`.
.. tab:: Virtual environment

12
python/install.py
View File

@ -27,6 +27,8 @@ parser.add_argument("-w", "--wheeldir", required=False,
help="path to a directory where the created wheel will be stored")
parser.add_argument("-v", "--versionfile", required=True,
help="path to the LAMMPS version.h source file")
parser.add_argument("-f", "--force", action="store_true", required=False, default=False,
help="force installation of LAMMPS Python package")
args = parser.parse_args()
@ -145,7 +147,10 @@ else:
py_exe = sys.executable
try:
txt = subprocess.check_output([py_exe, '-m', 'pip', 'install', '--force-reinstall', wheel], stderr=subprocess.STDOUT, shell=False)
if args.force:
txt = subprocess.check_output([py_exe, '-m', 'pip', 'install', '--force-reinstall', '--break-system-packages', wheel], stderr=subprocess.STDOUT, shell=False)
else:
txt = subprocess.check_output([py_exe, '-m', 'pip', 'install', '--force-reinstall', wheel], stderr=subprocess.STDOUT, shell=False)
print(txt.decode('UTF-8'))
sys.exit(0)
except subprocess.CalledProcessError as err:
@ -154,7 +159,10 @@ except subprocess.CalledProcessError as err:
sys.exit(errmsg + "You need to uninstall the LAMMPS python module manually first.\n")
try:
print('Installing wheel into system site-packages folder failed. Trying user folder now')
txt = subprocess.check_output([sys.executable, '-m', 'pip', 'install', '--user', '--force-reinstall', wheel], stderr=subprocess.STDOUT, shell=False)
if args.force:
txt = subprocess.check_output([sys.executable, '-m', 'pip', 'install', '--user', '--force-reinstall', '--break-system-packages', wheel], stderr=subprocess.STDOUT, shell=False)
else:
txt = subprocess.check_output([sys.executable, '-m', 'pip', 'install', '--user', '--force-reinstall', wheel], stderr=subprocess.STDOUT, shell=False)
print(txt.decode('UTF-8'))
except:
sys.exit('Failed to install wheel ' + wheel)