103 lines
3.7 KiB
Bash
Executable File
103 lines
3.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# This tool can be used to install a new package into MicroPython
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# library location (for unix port, default behavior), or produce
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# complete library snapshot to be deployed on a device for baremetal
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# ports (if PIP_MICROPY_DEST environment var is set).
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#
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# Currently supported usage:
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#
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# pip-micropython install [-t/--target <dir>] <packages>
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# parse command
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if [ "$1" != "install" ]; then
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echo "Only install command is supported currently"
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exit 1
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fi
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shift
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# parse options
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targetdest=''
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if [ "$1" == "-t" -o "$1" == "--target" ]; then
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targetdest="$2"
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shift
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shift
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fi
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if [ -z "$TMPDIR" ]; then
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TMPDIR=/tmp
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fi
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TMPVENV="$TMPDIR/pip-micropy-venv"
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if [ -n "$targetdest" ]; then
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dest="$targetdest"
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echo "Destination snapshot directory: $dest"
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elif [ -n "$PIP_MICROPY_DEST" ]; then
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dest="$PIP_MICROPY_DEST"
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echo "Destination snapshot directory: $dest"
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elif [ -n "$MICROPYPATH" ]; then
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libdest=$(echo "$MICROPYPATH" | awk -F: ' {print $1}')
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echo "Destination library directory: $libdest"
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else
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echo "Warning: MICROPYPATH is not set, assuming default value"
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libdest=~/.micropython/lib
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echo "Destination library directory: $libdest"
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fi
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# Due to bugs in pip, installation should happen with active virtualenv
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# The issue (at least with pip 1.0 which is still what's shipped with many
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# distros) is that even if --ignore-installed is used, package is not
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# installed if it's already installed for main python distribution.
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if [ ! -d "$TMPVENV" ]; then
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virtualenv --no-site-packages "$TMPVENV"
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# distutils, setuptools, pip are buggy and allow target packages affect
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# their execution environment. For example, if distribution they install
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# has re.py, they will import that instead of system re. So, we need
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# to remove current dir from sys.path, but that appear to be quite uneasy
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# with CPython, so we hook __import__ and exterminate it persistently.
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# See also https://bitbucket.org/pypa/setuptools/issue/187/
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cat > $(ls -1d "$TMPVENV"/lib/python*/)/sitecustomize.py <<EOF
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import sys
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import __builtin__
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old_imp = __import__
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def new_imp(*a, **kw):
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if not sys.path[0]: sys.path.pop(0)
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return old_imp(*a, **kw)
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__builtin__.__import__ = new_imp
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EOF
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fi
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. "$TMPVENV"/bin/activate
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# We need to specify --record to override this switch as passed by pip
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# pip will try to parse this file (at the location in specifies), and try to
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# access files as specified in it. But paths there will be relative to --root
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# we pass, so it won't find files and crash. However, if it won't find the
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# file, it will just issue a warning and continue.
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if [ -n "$dest" ]; then
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pip install "$@" \
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--install-option="--install-base=." \
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--install-option="--install-purelib=lib" \
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--install-option="--install-platlib=lib" \
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--install-option="--install-scripts=." \
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--install-option="--install-headers=headers" \
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--install-option="--install-data=lib" \
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--install-option="--record=$TMPDIR/setuptools-record.txt" \
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--install-option="--no-compile" \
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--install-option="--root=$dest"
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else
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# Here we assume that base dir is lib dir, and install scripts a level
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# higher. For default value of ~/.micropython/lib/ , this should give
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# reasonable behavior, though better would make it overridable (or
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# go bold and use ~/bin ?)
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pip install "$@" \
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--install-option="--install-base=." \
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--install-option="--install-purelib=." \
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--install-option="--install-platlib=." \
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--install-option="--install-scripts=.." \
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--install-option="--install-headers=../headers" \
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--install-option="--install-data=." \
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--install-option="--record=$TMPDIR/setuptools-record.txt" \
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--install-option="--no-compile" \
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--install-option="--root=$libdest"
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fi
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