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voltron
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ensure pip is installed and upgraded

This commit is contained in:
Zachary Cutlip 2019-11-06 17:49:02 -08:00
parent 4fcdedfba4
commit be11fbff93
1 changed files with 42 additions and 6 deletions
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48
install.sh
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@ -34,6 +34,11 @@ YUM_DNF=$(command -v dnf)
USER_MODE='--user'
SUDO=''
#Old versions of pip default to pypi.python.org and fail to install anything
PYPI_URL="https://pypi.org/simple"
PIP_MIN_VER="10.0"
PIP_BOOTSTRAP_URL="https://bootstrap.pypa.io/get-pip.py"
[[ -z "${GDB}" ]]
BACKEND_GDB=$?
[[ -z "${LLDB}" ]]
@ -140,6 +145,36 @@ function install_packages {
install_yum
}
function curl_get_pip {
echo "Attempting to curl pip bootstrapt script from $PIP_BOOTSTRAP_URL"
curl "$PIP_BOOTSTRAP_URL" | ${SUDO} ${LLDB_PYTHON} - --upgrade "$USER_MODE" || return $?
}
function ensure_pip {
# Check if pip is installed already
${LLDB_PYTHON} -m pip --version >/dev/null 2>&1
if [ $? -ne 0 ];
then
# If not, attempt to install it using ensurepip
echo "Attempting to install pip using 'ensurepip'."
${SUDO} ${LLDB_PYTHON} -m ensurepip $USER_MODE || return $?
fi
# Some really old pip installations default to the old pypi.python.org, which no longer works.
echo "Attempting to upgrade pip."
${SUDO} ${LLDB_PYTHON} -m pip install "pip>=$PIP_MIN_VER" $USER_MODE -U --index-url "$PYPI_URL"
if [ $? != 0 ];
then
# We may still fail here due to TLS incompatibility
# TLS 1.x got turned off 2018-04-11
# https://status.python.org/incidents/hdx7w97m5hr8
# Curl may be new enough to support TLS 1.2, so try to curl the pip installer from pypa.io
# It's able to download and install pip without TLS errors somehow
echo "Failed to upgrade pip."
echo "Attempting to fall back to installation via curl."
curl_get_pip || return $?
fi
}
function get_lldb_python_exe {
# Find the Python version used by LLDB
local lldb_pyver=$(${LLDB} -Q -x -b --one-line 'script import platform; print(".".join(platform.python_version_tuple()[:2]))'|tail -1)
@ -196,8 +231,9 @@ fi
if [ "${BACKEND_LLDB}" -eq 1 ]; then
LLDB_PYTHON=$(get_lldb_python_exe)
${LLDB_PYTHON} -m pip install --user --upgrade six
LLDB_PYTHON=$(get_lldb_python_exe) || quit "Failed to locate python interpreter." 1
ensure_pip || quit "Failed to install pip." 1
${LLDB_PYTHON} -m pip install --user --upgrade six || quit "Failed to install or upgrade 'six' python package." 1
if [ -n "${VENV}" ]; then
echo "Creating virtualenv..."
@ -206,18 +242,18 @@ if [ "${BACKEND_LLDB}" -eq 1 ]; then
LLDB_PYTHON="${VENV}/bin/python"
LLDB_SITE_PACKAGES=$(find "${VENV}" -name site-packages)
elif [ -z "${USER_MODE}" ]; then
LLDB_SITE_PACKAGES=$(${LLDB} -Q -x -b --one-line 'script import site; print(site.getsitepackages()[0])'|tail -1)
LLDB_SITE_PACKAGES=$(${LLDB} -Q -x -b --one-line 'script import site; print(site.getsitepackages()[0])'|tail -1) || quit "Failed to locate site-packages." 1
else
LLDB_SITE_PACKAGES=$(${LLDB} -Q -x -b --one-line 'script import site; print(site.getusersitepackages())'|tail -1)
LLDB_SITE_PACKAGES=$(${LLDB} -Q -x -b --one-line 'script import site; print(site.getusersitepackages())'|tail -1) || quit "Failed to locate site-packages." 1
fi
install_packages
install_packages || quit "Failed to install packages." 1
if [ "$LLDB_SITE_PACKAGES" == "$GDB_SITE_PACKAGES" ]; then
echo "Skipping installation for LLDB - same site-packages directory"
else
# Install Voltron and dependencies
${SUDO} ${LLDB_PYTHON} -m pip install -U $USER_MODE $DEV_MODE .
${SUDO} ${LLDB_PYTHON} -m pip install -U $USER_MODE $DEV_MODE . || quit "Failed to install voltron." 1
fi
# Add Voltron to lldbinit