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circuitpython/tools/pip-micropython

94 lines
3.7 KiB

#!/bin/sh
#
# This tool can be used to install a new package into MicroPython
# library location (for unix port, default behavior), or produce
# complete library snapshot to be deployed on a device for baremetal
# ports (if PIP_MICROPY_DEST environment var is set).
#
# Note: this tool is deprecated in favor of "upip" native MicroPython
# package manager, which is bundled with MicroPython unix binary
# as a frozen module and can be run as "micropython -u pip" or installed
# from PyPI package "micropython-upip". This utility is left for
# reference, regression testing, debugging, etc.
#
if [ "$1" != "install" ]; then
echo "Only install command is supported currently"
exit 1
fi
shift
if [ -z "$TMPDIR" ]; then
TMPDIR=/tmp
fi
TMPVENV="$TMPDIR/pip-micropy-venv"
if [ -n "$PIP_MICROPY_DEST" ]; then
dest="$PIP_MICROPY_DEST"
echo "Destination snapshot directory: $dest"
elif [ -n "$MICROPYPATH" ]; then
libdest=$(echo "$MICROPYPATH" | awk -F: ' {print $1}')
echo "Destination library directory: $libdest"
else
echo "Warning: MICROPYPATH is not set, assuming default value"
libdest=~/.micropython/lib
echo "Destination library directory: $libdest"
fi
# Due to bugs in pip, installation should happen with active virtualenv
# The issue (at least with pip 1.0 which is still what's shipped with many
# distros) is that even if --ignore-installed is used, package is not
# installed if it's already installed for main python distribution.
if [ ! -d "$TMPVENV" ]; then
virtualenv --no-site-packages "$TMPVENV"
# distutils, setuptools, pip are buggy and allow target packages affect
# their execution environment. For example, if distribution they install
# has re.py, they will import that instead of system re. So, we need
# to remove current dir from sys.path, but that appear to be quite uneasy
# with CPython, so we hook __import__ and exterminate it persistently.
# See also https://bitbucket.org/pypa/setuptools/issue/187/
cat > $(ls -1d "$TMPVENV"/lib/python*/)/sitecustomize.py <<EOF
import sys
import __builtin__
old_imp = __import__
def new_imp(*a, **kw):
if not sys.path[0]: sys.path.pop(0)
return old_imp(*a, **kw)
__builtin__.__import__ = new_imp
EOF
fi
. "$TMPVENV"/bin/activate
# We need to specify --record to override this switch as passed by pip
# pip will try to parse this file (at the location in specifies), and try to
# access files as specified in it. But paths there will be relative to --root
# we pass, so it won't find files and crash. However, if it won't find the
# file, it will just issue a warning and continue.
if [ -n "$dest" ]; then
pip install "$@" \
--install-option="--install-base=." \
--install-option="--install-purelib=lib" \
--install-option="--install-platlib=lib" \
--install-option="--install-scripts=." \
--install-option="--install-headers=headers" \
--install-option="--install-data=lib" \
--install-option="--record=$TMPDIR/setuptools-record.txt" \
--install-option="--no-compile" \
--install-option="--root=$dest"
else
# Here we assume that base dir is lib dir, and install scripts a level
# higher. For default value of ~/.micropython/lib/ , this should give
# reasonable behavior, though better would make it overridable (or
# go bold and use ~/bin ?)
pip install "$@" \
--install-option="--install-base=." \
--install-option="--install-purelib=." \
--install-option="--install-platlib=." \
--install-option="--install-scripts=.." \
--install-option="--install-headers=../headers" \
--install-option="--install-data=." \
--install-option="--record=$TMPDIR/setuptools-record.txt" \
--install-option="--no-compile" \
--install-option="--root=$libdest"
fi