submit-package-job

#!/usr/bin/env bash
#
# This script finds the Python that is used by the Deadline Cloud CLI,
# and then runs submit-package-job-script.py with that Python.
#
# It requires a Python interpreter that has the 'deadline' library available.
# When the Deadline Cloud CLI is installed with `pip install deadline`, this
# script discovers that interpreter automatically from the 'deadline' entry
# point script. The standalone submitter installer does not bundle a reusable
# Python interpreter, so in that case you must point this script at a suitable
# Python yourself by setting the DEADLINE_PYTHON environment variable, e.g.:
#
#     DEADLINE_PYTHON=python3 ./submit-package-job blender-4.2
#
# where that Python has the 'deadline' library installed (`pip install deadline`).

set -euo pipefail

usage_error() {
    echo "ERROR: $1" >&2
    echo >&2
    echo "submit-package-job needs a Python interpreter that has the 'deadline' library" >&2
    echo "installed. Set the DEADLINE_PYTHON environment variable to such an interpreter, e.g.:" >&2
    echo >&2
    echo "    DEADLINE_PYTHON=python3 $0 ${SCRIPT_ARGS}" >&2
    echo >&2
    echo "and ensure it has the library available (pip install deadline)." >&2
    exit 1
}

# Remember the original arguments for use in error messages.
SCRIPT_ARGS="$*"

# Allow the user to specify their own Python interpreter. This is required when
# the Deadline Cloud CLI was installed via the standalone submitter installer,
# which does not ship a reusable Python interpreter.
if [ -n "${DEADLINE_PYTHON:-}" ]; then
    # Run the Python script submitter with the provided Python.
    # Not quoting the command for cases like `DEADLINE_PYTHON="/usr/bin/env python"`.
    $DEADLINE_PYTHON "$0-script.py" "$@"
    exit $?
fi

# Find the path to the 'deadline' executable
DEADLINE_PATH="$(command -v deadline || true)"
if [ -z "$DEADLINE_PATH" ]; then
    usage_error "Could not find the 'deadline' command on your PATH."
fi

if [ "$(basename "$(dirname "$DEADLINE_PATH")")" = Scripts ]; then
    # Windows Python installation with Scripts directory
    DEADLINE_PYTHON="$(dirname "$(dirname "$DEADLINE_PATH")")/Python.exe"

    # Run the Python script submitter with the same Python
    "$DEADLINE_PYTHON" "$0-script.py" "$@"
else
    # The 'deadline' command is expected to be a pip-installed entry point
    # script whose first line is a `#!` shebang pointing at the Python to use.
    # The standalone submitter installer instead provides a compiled binary
    # with no reusable interpreter, so guard against that case.
    if [ "$(head -c 2 "$DEADLINE_PATH")" != "#!" ]; then
        usage_error "The 'deadline' command at '$DEADLINE_PATH' is not a pip-installed Python script (it looks like the standalone submitter installer build, which does not bundle a reusable Python interpreter)."
    fi

    # Take the interpreter path from the #! shebang line.
    DEADLINE_PYTHON=$(head -1 "$DEADLINE_PATH" | cut -c 3-)

    if [ -z "$DEADLINE_PYTHON" ]; then
        usage_error "Could not determine the Python interpreter from '$DEADLINE_PATH'."
    fi

    # Run the Python script submitter with the same Python.
    # Not quoting the command for cases like `#!/usr/bin/env python`
    $DEADLINE_PYTHON "$0-script.py" "$@"
fi