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#!/bin/bash
# Make sure this is sourced.
if [[ "$0" == "${BASH_SOURCE[0]}" ]]; then
echo This must be sourced.
exit 1
fi
export PYAV_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.."; pwd)"
if [[ ! "$PYAV_LIBRARY" ]]; then
if [[ "$1" ]]; then
if [[ "$1" == ffmpeg-* ]]; then
PYAV_LIBRARY="$1"
else
echo "Error: PYAV_LIBRARY must start with 'ffmpeg-'" >&2
return 1
fi
else
PYAV_LIBRARY=ffmpeg-7.1
echo "No \$PYAV_LIBRARY set; defaulting to $PYAV_LIBRARY"
fi
fi
export PYAV_LIBRARY
if [[ ! "$PYAV_PYTHON" ]]; then
PYAV_PYTHON="${PYAV_PYTHON-python3}"
echo 'No $PYAV_PYTHON set; defaulting to python3.'
fi
# Hack for PyPy on GitHub Actions.
# This is because PYAV_PYTHON is constructed from "python${{ matrix.config.python }}"
# resulting in "pythonpypy3", which won't work.
# It would be nice to clean this up, but I want it to work ASAP.
if [[ "$PYAV_PYTHON" == *pypy* ]]; then
PYAV_PYTHON=python
fi
export PYAV_PYTHON
export PYAV_PIP="${PYAV_PIP-$PYAV_PYTHON -m pip}"
if [[ "$GITHUB_ACTION" ]]; then
# GitHub has a very self-contained environment. Lets just work in that.
echo "We're on CI, so not setting up another virtualenv."
else
export PYAV_VENV_NAME="$(uname -s).$(uname -r).$("$PYAV_PYTHON" -c '
import sys
import platform
print("{}{}.{}".format(platform.python_implementation().lower(), *sys.version_info[:2]))
')"
export PYAV_VENV="$PYAV_ROOT/venvs/$PYAV_VENV_NAME"
if [[ ! -e "$PYAV_VENV/bin/python" ]]; then
mkdir -p "$PYAV_VENV"
virtualenv -p "$PYAV_PYTHON" "$PYAV_VENV"
"$PYAV_VENV/bin/pip" install --upgrade pip setuptools
fi
if [[ -e "$PYAV_VENV/bin/activate" ]]; then
source "$PYAV_VENV/bin/activate"
else
# Not a virtualenv (perhaps a debug Python); lets manually "activate" it.
PATH="$PYAV_VENV/bin:$PATH"
fi
fi
# Just a flag so that we know this was supposedly run.
export _PYAV_ACTIVATED=1
if [[ ! "$PYAV_LIBRARY_BUILD_ROOT" && -d /vagrant ]]; then
# On Vagrant, building the library in the shared directory causes some
# problems, so we move it to the user's home.
PYAV_LIBRARY_ROOT="/home/vagrant/vendor"
fi
export PYAV_LIBRARY_ROOT="${PYAV_LIBRARY_ROOT-$PYAV_ROOT/vendor}"
export PYAV_LIBRARY_BUILD="${PYAV_LIBRARY_BUILD-$PYAV_LIBRARY_ROOT/build}"
export PYAV_LIBRARY_PREFIX="$PYAV_LIBRARY_BUILD/$PYAV_LIBRARY"
export PATH="$PYAV_LIBRARY_PREFIX/bin:$PATH"
export PYTHONPATH="$PYAV_ROOT:$PYTHONPATH"
export PKG_CONFIG_PATH="$PYAV_LIBRARY_PREFIX/lib/pkgconfig:$PKG_CONFIG_PATH"
export LD_LIBRARY_PATH="$PYAV_LIBRARY_PREFIX/lib:$LD_LIBRARY_PATH"
export DYLD_LIBRARY_PATH="$PYAV_LIBRARY_PREFIX/lib:$DYLD_LIBRARY_PATH"
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