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agessaman
99e976eca0
- Updated `install-service.sh` to source `scripts/armv7_pip_args.sh`, ensuring consistent handling of pip arguments for 32-bit ARM hosts. - Enhanced `constraints-armv7.txt` to clarify the need for specific package versions to avoid installation issues (issue #269). - Modified `README.md` to document the application of piwheels index and constraints during installation on 32-bit ARM systems. - Added tests to verify the correct integration of the ARMv7 pip arguments helper and its behavior across different architectures.
64 lines
1.9 KiB
Bash
64 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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# Shared pip arguments for 32-bit ARM (armv6l / armv7l) installs.
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#
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# Source this file; do not execute it. It defines configure_armv7_pip_args,
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# which fills ARMV7_PIP_ARGS so callers can:
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#
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# configure_armv7_pip_args /path/to/requirements.txt
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# python -m pip install "${ARMV7_PIP_ARGS[@]}" -r /path/to/requirements.txt
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#
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# On 32-bit ARM this adds the piwheels extra-index-url and, when present,
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# -c constraints-armv7.txt so pip resolves to wheels instead of compiling
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# (or hitting a listed-but-403 archive URL; see issue #269). On every other
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# architecture ARMV7_PIP_ARGS is empty. See constraints-armv7.txt.
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#
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# Used by install-service.sh and the .deb postinst so the two paths cannot
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# drift.
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if [ "${BASH_SOURCE[0]}" = "$0" ]; then
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echo "armv7_pip_args.sh: source this file; do not execute it" >&2
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exit 2
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fi
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# Intended for callers; empty until configure_armv7_pip_args runs.
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# shellcheck disable=SC2034
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ARMV7_PIP_ARGS=()
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_armv7_pip_info() {
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if [ "$(type -t print_info 2>/dev/null)" = function ]; then
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print_info "$1"
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else
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echo "$1" >&2
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fi
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}
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_armv7_pip_warn() {
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if [ "$(type -t print_warning 2>/dev/null)" = function ]; then
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print_warning "$1"
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else
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echo "$1" >&2
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fi
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}
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configure_armv7_pip_args() {
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local requirements="$1"
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local constraints
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ARMV7_PIP_ARGS=()
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case "$(uname -m)" in
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armv6l|armv7l) ;;
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*) return 0 ;;
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esac
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ARMV7_PIP_ARGS+=(--extra-index-url https://www.piwheels.org/simple)
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_armv7_pip_info "32-bit ARM detected; using piwheels prebuilt wheels to avoid on-device compilation"
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constraints="$(dirname "$requirements")/constraints-armv7.txt"
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if [ -f "$constraints" ]; then
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ARMV7_PIP_ARGS+=(-c "$constraints")
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else
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_armv7_pip_warn "constraints-armv7.txt not found next to $requirements"
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_armv7_pip_warn "brotli and ephem will compile from source; this can take a while"
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fi
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}
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