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provision: Rewrite in Python.

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derAnfaenger 2017-08-23 16:41:27 +02:00 committed by Tim Abbott
parent 5bc98bfdf7
commit 0984eae9b5
1 changed files with 54 additions and 43 deletions
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97
tools/provision
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@ -1,48 +1,59 @@
#!/usr/bin/env bash #!/usr/bin/env python
BASEDIR=$(dirname `dirname $0`) import os
VENVEXECDIR="bin" import sys
PYVERSION=$(python -V | grep -Po '(?<=Python ).+') import argparse
PYCUSTOMPATH_ARG="" import pip
while getopts "hp:" arg; do import six
case "$arg" in import subprocess
h)
echo "USAGE: $0 [-p <path_to_python_version>]"
exit
;;
p)
PYCUSTOMPATH_ARG="-p $OPTARG"
PYVERSION=$("$OPTARG" "-V" 2>&1 | grep -Po '(?<=Python ).+')
;;
esac
done
VENVDIR="zulip-api-py$PYVERSION-venv"
if [ ! -d "$BASEDIR/$VENVDIR" ]; then from importlib import import_module
virtualenv $PYCUSTOMPATH_ARG "$BASEDIR/$VENVDIR"
echo "Virtualenv created."
fi
if [[ ! -d "$BASEDIR/$VENVDIR/$VENVEXECDIR" ]]; then def main():
# POSIX compatibility layer and Linux environment emulation for Windows parser = argparse.ArgumentParser("Creates a Python virtualenv. Its Python version is equal to "
# Virtual uses /Scripts instead of /bin on Windows. "the Python version this command is executed with.")
# Read https://virtualenv.pypa.io/en/stable/userguide/ parser.parse_args()
VENVEXECDIR="Scripts"
fi
source "$BASEDIR/$VENVDIR/$VENVEXECDIR/activate" base_dir = os.path.abspath(os.path.join(__file__, '..', '..'))
RVAL=$? python_version = '.'.join(str(num) for num in sys.version_info[0:3])
if [ "$RVAL" -ne 0 ]; then python_interpreter = os.path.abspath(sys.executable)
echo "Failed to activate virtualenv." venv_name = 'zulip-api-py{}-venv'.format(python_version)
exit
fi
# Install python dependencies if needed. venv_dir = os.path.join(base_dir, venv_name)
cmp "$BASEDIR/$VENVDIR/installed-requirements.txt" requirements.txt 2>/dev/null if not os.path.isdir(venv_dir):
RVAL=$? # Return value of the comparision. 0 means files are same. if subprocess.call(['virtualenv', '-p', python_interpreter, venv_dir]):
if [ "$RVAL" -ne 0 ]; then raise OSError("The command `virtualenv -p {} {}` failed. Virtualenv not created!"
pip install -r "$BASEDIR/requirements.txt" .format(python_interpreter, venv_dir))
cp -a requirements.txt "$BASEDIR/$VENVDIR/installed-requirements.txt" else:
echo "Requirements installed." print("New virtualenv created.")
fi else:
echo 'Success! Run `source' "$BASEDIR/$VENVDIR/$VENVEXECDIR/activate"'`' "to activate virtualenv." print("Virtualenv already exists.")
if os.path.isdir(os.path.join(venv_dir, 'Scripts')):
# POSIX compatibility layer and Linux environment emulation for Windows
# Virtual uses /Scripts instead of /bin on Windows.
# Read https://virtualenv.pypa.io/en/stable/userguide/
venv_exec_dir = 'Scripts'
else:
venv_exec_dir = 'bin'
# In order to install all required packages for the venv, we need to activate it. Since
# the activation script sets environmental variables, it needs to be executed inline with
# `import_module`.
activate_module_dir = os.path.abspath(os.path.join(venv_dir, venv_exec_dir))
sys.path.append(activate_module_dir)
import_module('activate_this')
# In order to install all required packages for the venv, `pip` needs to be executed by
# the venv's Python interpreter. `--prefix venv_dir` ensures that all modules are installed
# in the right place.
if subprocess.call([os.path.join(venv_dir, venv_exec_dir, 'pip'),
'install', '--prefix', venv_dir, '-r', os.path.join(base_dir, 'requirements.txt')]):
raise OSError("The command `pip install -r {}` failed. Dependencies not installed!"
.format(os.path.join(base_dir, 'requirements.txt')))
print("Success! Run `source {}` to activate virtualenv.".format(
os.path.join(base_dir, venv_dir, venv_exec_dir, 'activate')))
if __name__ == '__main__':
main()